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authorErik Walthinsen <omega@temple-baptist.org>2000-01-30 09:03:00 +0000
committerErik Walthinsen <omega@temple-baptist.org>2000-01-30 09:03:00 +0000
commit1762dfbf982a75d895676b0063379e33b4f9b96a (patch)
treed38c9b5ec6399dc0aec18ea76c6f1d35786daa70 /gst
initial checkin
Original commit message from CVS: initial checkin
Diffstat (limited to 'gst')
-rw-r--r--gst/Makefile.am61
-rw-r--r--gst/cothreads.c143
-rw-r--r--gst/cothreads.h48
-rw-r--r--gst/elements/Makefile.am35
-rw-r--r--gst/elements/gstasyncdisksrc.c346
-rw-r--r--gst/elements/gstasyncdisksrc.h88
-rw-r--r--gst/elements/gstaudiosink.c291
-rw-r--r--gst/elements/gstaudiosink.h85
-rw-r--r--gst/elements/gstaudiosrc.c319
-rw-r--r--gst/elements/gstaudiosrc.h90
-rw-r--r--gst/elements/gstdisksrc.c267
-rw-r--r--gst/elements/gstdisksrc.h83
-rw-r--r--gst/elements/gstelements.c85
-rw-r--r--gst/elements/gstesdsink.c0
-rw-r--r--gst/elements/gstesdsink.h81
-rw-r--r--gst/elements/gstfakesink.c109
-rw-r--r--gst/elements/gstfakesink.h71
-rw-r--r--gst/elements/gstfakesrc.c112
-rw-r--r--gst/elements/gstfakesrc.h70
-rw-r--r--gst/elements/gstfdsink.c155
-rw-r--r--gst/elements/gstfdsink.h74
-rw-r--r--gst/elements/gstfdsrc.c206
-rw-r--r--gst/elements/gstfdsrc.h77
-rw-r--r--gst/elements/gsthttpsrc.c258
-rw-r--r--gst/elements/gsthttpsrc.h77
-rw-r--r--gst/elements/gstidentity.c152
-rw-r--r--gst/elements/gstidentity.h74
-rw-r--r--gst/elements/gstqueue.c216
-rw-r--r--gst/elements/gstqueue.h84
-rw-r--r--gst/elements/gstsinesrc.c269
-rw-r--r--gst/elements/gstsinesrc.h87
-rw-r--r--gst/gst.c60
-rw-r--r--gst/gst.h60
-rw-r--r--gst/gstbin.c449
-rw-r--r--gst/gstbin.h106
-rw-r--r--gst/gstbuffer.c241
-rw-r--r--gst/gstbuffer.h128
-rw-r--r--gst/gstconnection.c99
-rw-r--r--gst/gstconnection.h69
-rw-r--r--gst/gstelement.c507
-rw-r--r--gst/gstelement.h194
-rw-r--r--gst/gstelementfactory.c138
-rw-r--r--gst/gstfilter.c86
-rw-r--r--gst/gstfilter.h63
-rw-r--r--gst/gstlog.h31
-rw-r--r--gst/gstmeta.c57
-rw-r--r--gst/gstmeta.h85
-rw-r--r--gst/gstobject.c223
-rw-r--r--gst/gstobject.h117
-rw-r--r--gst/gstpad.c340
-rw-r--r--gst/gstpad.h127
-rw-r--r--gst/gstpipeline.c134
-rw-r--r--gst/gstpipeline.h69
-rw-r--r--gst/gstplugin.c297
-rw-r--r--gst/gstplugin.h63
-rw-r--r--gst/gstsink.c79
-rw-r--r--gst/gstsink.h64
-rw-r--r--gst/gstsrc.c122
-rw-r--r--gst/gstsrc.h86
-rw-r--r--gst/gsttee.c130
-rw-r--r--gst/gsttee.h70
-rw-r--r--gst/gstthread.c332
-rw-r--r--gst/gstthread.h84
-rw-r--r--gst/gsttrace.c103
-rw-r--r--gst/gsttrace.h69
-rw-r--r--gst/gsttype.c160
-rw-r--r--gst/gsttype.h76
-rw-r--r--gst/gsttypefind.c79
-rw-r--r--gst/gsttypefind.h68
-rw-r--r--gst/gstutils.c77
-rw-r--r--gst/gstutils.h35
-rw-r--r--gst/gstxml.c31
-rw-r--r--gst/gstxml.h30
-rw-r--r--gst/meta/Makefile.am3
-rw-r--r--gst/meta/audioraw.h40
-rw-r--r--gst/meta/spectrum.h38
-rw-r--r--gst/plugin.c139
-rw-r--r--gst/plugin.h4
-rw-r--r--gst/types/Makefile.am10
-rw-r--r--gst/types/gsttypes.c85
80 files changed, 9870 insertions, 0 deletions
diff --git a/gst/Makefile.am b/gst/Makefile.am
new file mode 100644
index 0000000000..7cf7b94bf5
--- /dev/null
+++ b/gst/Makefile.am
@@ -0,0 +1,61 @@
+# cheap trick to build . first...
+SUBDIRS = . types meta elements xml
+
+lib_LTLIBRARIES = libgst.la
+
+GSTOBJECT_SRCS = \
+ gstobject.c
+GSTOBJECT_INCLUDES = \
+ gstobject.h
+
+libgst_la_SOURCES = \
+ gst.c \
+ $(GSTOBJECT_SRCS) \
+ gstpad.c \
+ gstbuffer.c \
+ gstelement.c \
+ gstelementfactory.c \
+ gstbin.c \
+ gstpipeline.c \
+ gstthread.c \
+ gstsrc.c \
+ gstfilter.c \
+ gstsink.c \
+ gstconnection.c \
+ gsttype.c \
+ gstplugin.c \
+ gstutils.c \
+ gsttrace.c \
+ gstmeta.c \
+ gsttee.c \
+ gstxml.c \
+ cothreads.c
+
+libgstincludedir = $(includedir)/gst
+libgstinclude_HEADERS = \
+ gst.h \
+ gstlog.h \
+ $(GSTOBJECT_INCLUDES) \
+ gstpad.h \
+ gstbuffer.h \
+ gstelement.h \
+ gstbin.h \
+ gstpipeline.h \
+ gstthread.h \
+ gstsrc.h \
+ gstfilter.h \
+ gstsink.h \
+ gstconnection.h \
+ gsttype.h \
+ gstplugin.h \
+ gstutils.h \
+ gsttrace.h \
+ gstmeta.h \
+ gsttee.h \
+ gstxml.h \
+ cothreads.h
+
+libgst_la_LIBADD = $(GLIB_LIBS) $(GTK_LIBS) $(XML_LIBS)
+libgst_la_LDFLAGS = -version-info $(STREAMER_CURRENT):$(STREAMER_REVISION):$(STREAMER_AGE)
+
+EXTRA_DIST = ROADMAP
diff --git a/gst/cothreads.c b/gst/cothreads.c
new file mode 100644
index 0000000000..8b12b67083
--- /dev/null
+++ b/gst/cothreads.c
@@ -0,0 +1,143 @@
+#include <sys/time.h>
+#include <linux/linkage.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <setjmp.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "cothreads.h"
+
+pthread_key_t _cothread_key = -1;
+
+cothread_state *cothread_create(cothread_context *ctx) {
+ cothread_state *s;
+
+ if (pthread_self() == 0) {
+ s = (cothread_state *)malloc(sizeof(int) * COTHREAD_STACKSIZE);
+ } else {
+ char *sp = CURRENT_STACK_FRAME;
+ unsigned long *stack_end = (unsigned long *)((unsigned long)sp &
+ ~(STACK_SIZE - 1));
+ s = (cothread_state *)(stack_end + ((ctx->nthreads - 1) *
+ COTHREAD_STACKSIZE));
+ if (mmap((char *)s,COTHREAD_STACKSIZE*(sizeof(int)),
+ PROT_READ|PROT_WRITE|PROT_EXEC,MAP_PRIVATE|MAP_ANONYMOUS,
+ -1,0) < 0) {
+ perror("mmap'ing cothread stack space");
+ return NULL;
+ }
+ }
+
+ s->ctx = ctx;
+ s->threadnum = ctx->nthreads;
+ s->flags = 0;
+ s->sp = (int *)(s + COTHREAD_STACKSIZE);
+
+ ctx->threads[ctx->nthreads++] = s;
+
+// printf("created cothread at %p\n",s);
+
+ return s;
+}
+
+void cothread_setfunc(cothread_state *thread,cothread_func func,int argc,char **argv) {
+ thread->func = func;
+ thread->argc = argc;
+ thread->argv = argv;
+ thread->pc = (int *)func;
+}
+
+cothread_context *cothread_init() {
+ cothread_context *ctx = (cothread_context *)malloc(sizeof(cothread_context));
+
+ if (_cothread_key == -1) {
+ if (pthread_key_create(&_cothread_key,NULL) != 0) {
+ perror("pthread_key_create");
+ return;
+ }
+ }
+ pthread_setspecific(_cothread_key,ctx);
+
+ memset(ctx->threads,0,sizeof(ctx->threads));
+
+ ctx->threads[0] = (cothread_state *)malloc(sizeof(cothread_state));
+ ctx->threads[0]->ctx = ctx;
+ ctx->threads[0]->threadnum = 0;
+ ctx->threads[0]->func = NULL;
+ ctx->threads[0]->argc = 0;
+ ctx->threads[0]->argv = NULL;
+ ctx->threads[0]->flags = COTHREAD_STARTED;
+ ctx->threads[0]->sp = CURRENT_STACK_FRAME;
+ ctx->threads[0]->pc = 0;
+
+// fprintf(stderr,"0th thread is at %p\n",ctx->threads[0]);
+
+ // we consider the initiating process to be cothread 0
+ ctx->nthreads = 1;
+ ctx->current = 0;
+
+ return ctx;
+}
+
+cothread_state *cothread_main(cothread_context *ctx) {
+// fprintf(stderr,"returning %p, the 0th cothread\n",ctx->threads[0]);
+ return ctx->threads[0];
+}
+
+void cothread_stub() {
+ cothread_context *ctx = pthread_getspecific(_cothread_key);
+ register cothread_state *thread = ctx->threads[ctx->current];
+
+ thread->flags |= COTHREAD_STARTED;
+ thread->func(thread->argc,thread->argv);
+ thread->flags &= ~COTHREAD_STARTED;
+ thread->pc = 0;
+// printf("uh, yeah, we shouldn't be here, but we should deal anyway\n");
+}
+
+void cothread_switch(cothread_state *thread) {
+ cothread_context *ctx;
+ cothread_state *current;
+ int enter = 0;
+// int i;
+
+ if (thread == NULL)
+ return;
+
+ ctx = thread->ctx;
+
+ current = ctx->threads[ctx->current];
+ if (current == NULL) {
+ fprintf(stderr,"there's no current thread, help!\n");
+ exit(2);
+ }
+
+ if (current == thread) {
+ fprintf(stderr,"trying to switch to same thread, legal but not necessary\n");
+ return;
+ }
+
+ // find the number of the thread to switch to
+ ctx->current = thread->threadnum;
+// fprintf(stderr,"about to switch to thread #%d\n",ctx->current);
+
+ /* save the current stack pointer, frame pointer, and pc */
+ __asm__("movl %%esp, %0" : "=m"(current->sp) : : "esp", "ebp");
+ enter = setjmp(current->jmp);
+ if (enter != 0)
+ return;
+ enter = 1;
+
+ /* restore stack pointer and other stuff of new cothread */
+ __asm__("movl %0, %%esp\n" : "=m"(thread->sp));
+ if (thread->flags & COTHREAD_STARTED) {
+ // switch to it
+ longjmp(thread->jmp,1);
+ } else {
+ // start it
+ __asm__("jmp " SYMBOL_NAME_STR(cothread_stub));
+ }
+}
diff --git a/gst/cothreads.h b/gst/cothreads.h
new file mode 100644
index 0000000000..63fef42901
--- /dev/null
+++ b/gst/cothreads.h
@@ -0,0 +1,48 @@
+#ifndef __COTHREADS_H__
+#define __COTHREADS_H__
+
+#include <setjmp.h>
+#include <pthread.h>
+
+#define COTHREAD_STACKSIZE 8192
+#define COTHREAD_MAXTHREADS 16
+#define STACK_SIZE 0x200000
+
+#ifndef CURRENT_STACK_FRAME
+#define CURRENT_STACK_FRAME ({ char __csf; &__csf; })
+#endif /* CURRENT_STACK_FRAME */
+
+typedef struct _cothread_state cothread_state;
+typedef struct _cothread_context cothread_context;
+
+typedef int (*cothread_func)(int argc,char **argv);
+
+#define COTHREAD_STARTED 0x01
+
+struct _cothread_state {
+ cothread_context *ctx;
+ int threadnum;
+
+ cothread_func func;
+ int argc;
+ char **argv;
+
+ int flags;
+ int *sp;
+ int *pc;
+ jmp_buf jmp;
+};
+
+struct _cothread_context {
+ cothread_state *threads[COTHREAD_MAXTHREADS];
+ int nthreads;
+ int current;
+};
+
+cothread_context *cothread_init();
+cothread_state *cothread_create(cothread_context *ctx);
+void cothread_setfunc(cothread_state *thread,cothread_func func,int argc,char **argv);
+void cothread_switch(cothread_state *thread);
+cothread_state *cothread_main(cothread_context *ctx);
+
+#endif /* __COTHREAD_H__ */
diff --git a/gst/elements/Makefile.am b/gst/elements/Makefile.am
new file mode 100644
index 0000000000..d035695115
--- /dev/null
+++ b/gst/elements/Makefile.am
@@ -0,0 +1,35 @@
+lib_LTLIBRARIES = libgstelements.la
+
+libgstelements_la_DEPENDENCIES = ../libgst.la
+libgstelements_la_SOURCES = \
+ gstelements.c \
+ gstfakesrc.c \
+ gstidentity.c \
+ gstfakesink.c \
+ gstdisksrc.c \
+ gstasyncdisksrc.c \
+ gstfdsrc.c \
+ gsthttpsrc.c \
+ gstaudiosink.c \
+ gstaudiosrc.c \
+ gstfdsink.c \
+ gstqueue.c \
+ gstsinesrc.c
+
+noinst_HEADERS = \
+ gstfakesrc.h \
+ gstidentity.h \
+ gstfakesink.h \
+ gstdisksrc.h \
+ gstasyncdisksrc.h \
+ gstfdsrc.h \
+ gsthttpsrc.h \
+ gstaudiosink.h \
+ gstaudiosrc.h \
+ gstfdsink.h \
+ gstqueue.h \
+ gstsinesrc.h
+
+libgstelements_la_LIBADD = $(GLIB_LIBS) $(GTK_LIBS) \
+ $(top_srcdir)/gst/libgst.la
+libgstelements_la_LDFLAGS = -version-info $(STREAMER_CURRENT):$(STREAMER_REVISION):$(STREAMER_AGE)
diff --git a/gst/elements/gstasyncdisksrc.c b/gst/elements/gstasyncdisksrc.c
new file mode 100644
index 0000000000..8587fa53be
--- /dev/null
+++ b/gst/elements/gstasyncdisksrc.c
@@ -0,0 +1,346 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <gstasyncdisksrc.h>
+
+
+GstElementDetails gst_asyncdisksrc_details = {
+ "Asynchronous Disk Source",
+ "Source/File",
+ "Read from arbitrary point in a file",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* AsyncDiskSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LOCATION,
+ ARG_BYTESPERREAD,
+ ARG_LENGTH,
+ ARG_OFFSET,
+};
+
+
+static void gst_asyncdisksrc_class_init(GstAsyncDiskSrcClass *klass);
+static void gst_asyncdisksrc_init(GstAsyncDiskSrc *asyncdisksrc);
+static void gst_asyncdisksrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_asyncdisksrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+static void gst_asyncdisksrc_push(GstSrc *src);
+static void gst_asyncdisksrc_push_region(GstSrc *src,gulong offset,
+ gulong size);
+static gboolean gst_asyncdisksrc_change_state(GstElement *element,
+ GstElementState state);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_asyncdisksrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_asyncdisksrc_get_type(void) {
+ static GtkType asyncdisksrc_type = 0;
+
+ if (!asyncdisksrc_type) {
+ static const GtkTypeInfo asyncdisksrc_info = {
+ "GstAsyncDiskSrc",
+ sizeof(GstAsyncDiskSrc),
+ sizeof(GstAsyncDiskSrcClass),
+ (GtkClassInitFunc)gst_asyncdisksrc_class_init,
+ (GtkObjectInitFunc)gst_asyncdisksrc_init,
+ (GtkArgSetFunc)gst_asyncdisksrc_set_arg,
+ (GtkArgGetFunc)gst_asyncdisksrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ asyncdisksrc_type = gtk_type_unique(GST_TYPE_SRC,&asyncdisksrc_info);
+ }
+ return asyncdisksrc_type;
+}
+
+static void
+gst_asyncdisksrc_class_init(GstAsyncDiskSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gtk_object_add_arg_type("GstAsyncDiskSrc::location", GTK_TYPE_STRING,
+ GTK_ARG_READWRITE, ARG_LOCATION);
+ gtk_object_add_arg_type("GstAsyncDiskSrc::bytesperread", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_BYTESPERREAD);
+ gtk_object_add_arg_type("GstAsyncDiskSrc::length", GTK_TYPE_LONG,
+ GTK_ARG_READABLE, ARG_LENGTH);
+ gtk_object_add_arg_type("GstAsyncDiskSrc::offset", GTK_TYPE_LONG,
+ GTK_ARG_READWRITE, ARG_OFFSET);
+
+ gtkobject_class->set_arg = gst_asyncdisksrc_set_arg;
+ gtkobject_class->get_arg = gst_asyncdisksrc_get_arg;
+
+ gstelement_class->change_state = gst_asyncdisksrc_change_state;
+
+ gstsrc_class->push = gst_asyncdisksrc_push;
+ gstsrc_class->push_region = gst_asyncdisksrc_push_region;
+}
+
+static void gst_asyncdisksrc_init(GstAsyncDiskSrc *asyncdisksrc) {
+ GST_SRC_SET_FLAGS(asyncdisksrc,GST_SRC_ASYNC);
+
+ asyncdisksrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(asyncdisksrc),asyncdisksrc->srcpad);
+
+ asyncdisksrc->filename = NULL;
+ asyncdisksrc->fd = 0;
+ asyncdisksrc->size = 0;
+ asyncdisksrc->map = NULL;
+ asyncdisksrc->curoffset = 0;
+ asyncdisksrc->bytes_per_read = 4096;
+ asyncdisksrc->seq = 0;
+}
+
+
+static void gst_asyncdisksrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstAsyncDiskSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_ASYNCDISKSRC(object));
+ src = GST_ASYNCDISKSRC(object);
+
+ switch(id) {
+ case ARG_LOCATION:
+ /* the element must be stopped in order to do this */
+ g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING));
+
+ if (src->filename) g_free(src->filename);
+ /* clear the filename if we get a NULL (is that possible?) */
+ if (GTK_VALUE_STRING(*arg) == NULL) {
+ src->filename = NULL;
+ gst_element_set_state(GST_ELEMENT(object),~GST_STATE_COMPLETE);
+ /* otherwise set the new filename */
+ } else {
+ src->filename = g_strdup(GTK_VALUE_STRING(*arg));
+ gst_element_set_state(GST_ELEMENT(object),GST_STATE_COMPLETE);
+ }
+ break;
+ case ARG_BYTESPERREAD:
+ src->bytes_per_read = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_OFFSET:
+ src->curoffset = GTK_VALUE_LONG(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_asyncdisksrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstAsyncDiskSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_ASYNCDISKSRC(object));
+ src = GST_ASYNCDISKSRC(object);
+
+ switch (id) {
+ case ARG_LOCATION:
+ GTK_VALUE_STRING(*arg) = src->filename;
+ break;
+ case ARG_BYTESPERREAD:
+ GTK_VALUE_INT(*arg) = src->bytes_per_read;
+ break;
+ case ARG_LENGTH:
+ GTK_VALUE_LONG(*arg) = src->size;
+ break;
+ case ARG_OFFSET:
+ GTK_VALUE_LONG(*arg) = src->curoffset;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+/**
+ * gst_asyncdisksrc_push:
+ * @src: #GstSrc to push a buffer from
+ *
+ * Push a new buffer from the asyncdisksrc at the current offset.
+ */
+void gst_asyncdisksrc_push(GstSrc *src) {
+ GstAsyncDiskSrc *asyncdisksrc;
+ GstBuffer *buf;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_ASYNCDISKSRC(src));
+ g_return_if_fail(GST_FLAG_IS_SET(src,GST_ASYNCDISKSRC_OPEN));
+ asyncdisksrc = GST_ASYNCDISKSRC(src);
+
+ /* deal with EOF state */
+ if (asyncdisksrc->curoffset >= asyncdisksrc->size) {
+ gst_src_signal_eos(GST_SRC(asyncdisksrc));
+ return;
+ }
+
+ /* create the buffer */
+ // FIXME: should eventually use a bufferpool for this
+ buf = GST_BUFFER(gst_buffer_new());
+ g_return_if_fail(buf != NULL);
+
+ /* simply set the buffer to point to the correct region of the file */
+ GST_BUFFER_DATA(buf) = asyncdisksrc->map + asyncdisksrc->curoffset;
+ GST_BUFFER_OFFSET(buf) = asyncdisksrc->curoffset;
+
+ if ((asyncdisksrc->curoffset + asyncdisksrc->bytes_per_read) >
+ asyncdisksrc->size) {
+ GST_BUFFER_SIZE(buf) = asyncdisksrc->size - asyncdisksrc->curoffset;
+ // FIXME: set the buffer's EOF bit here
+ } else
+ GST_BUFFER_SIZE(buf) = asyncdisksrc->bytes_per_read;
+ asyncdisksrc->curoffset += GST_BUFFER_SIZE(buf);
+
+ /* we're done, push the buffer off now */
+ gst_pad_push(asyncdisksrc->srcpad,buf);
+}
+
+/**
+ * gst_asyncdisksrc_push_region:
+ * @src: #GstSrc to push a buffer from
+ * @offset: offset in file
+ * @size: number of bytes
+ *
+ * Push a new buffer from the asyncdisksrc of given size at given offset.
+ */
+void gst_asyncdisksrc_push_region(GstSrc *src,gulong offset,gulong size) {
+ GstAsyncDiskSrc *asyncdisksrc;
+ GstBuffer *buf;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_ASYNCDISKSRC(src));
+ g_return_if_fail(GST_FLAG_IS_SET(src,GST_STATE_RUNNING));
+ asyncdisksrc = GST_ASYNCDISKSRC(src);
+
+ /* deal with EOF state */
+ if (offset >= asyncdisksrc->size) {
+ gst_src_signal_eos(GST_SRC(asyncdisksrc));
+ return;
+ }
+
+ /* create the buffer */
+ // FIXME: should eventually use a bufferpool for this
+ buf = gst_buffer_new();
+ g_return_if_fail(buf);
+
+ /* simply set the buffer to point to the correct region of the file */
+ GST_BUFFER_DATA(buf) = asyncdisksrc->map + offset;
+ GST_BUFFER_OFFSET(buf) = asyncdisksrc->curoffset;
+
+ if ((offset + size) > asyncdisksrc->size) {
+ GST_BUFFER_SIZE(buf) = asyncdisksrc->size - offset;
+ // FIXME: set the buffer's EOF bit here
+ } else
+ GST_BUFFER_SIZE(buf) = size;
+ asyncdisksrc->curoffset += GST_BUFFER_SIZE(buf);
+
+ /* we're done, push the buffer off now */
+ gst_pad_push(asyncdisksrc->srcpad,buf);
+}
+
+
+/* open the file and mmap it, necessary to go to RUNNING state */
+static gboolean gst_asyncdisksrc_open_file(GstAsyncDiskSrc *src) {
+ g_return_if_fail(!GST_FLAG_IS_SET(src,GST_ASYNCDISKSRC_OPEN));
+
+ /* open the file */
+ src->fd = open(src->filename,O_RDONLY);
+ if (src->fd < 0) {
+ gst_element_error(GST_ELEMENT(src),"opening file");
+ return FALSE;
+ } else {
+ /* find the file length */
+ src->size = lseek(src->fd,0,SEEK_END);
+ lseek(src->fd,0,SEEK_SET);
+ /* map the file into memory */
+ src->map = mmap(NULL,src->size,PROT_READ,MAP_SHARED,src->fd,0);
+ /* collapse state if that failed */
+ if (src->map == NULL) {
+ close(src->fd);
+ gst_element_error(GST_ELEMENT(src),"mmapping file");
+ return FALSE;
+ }
+ GST_FLAG_SET(src,GST_ASYNCDISKSRC_OPEN);
+ }
+ return TRUE;
+}
+
+/* unmap and close the file */
+static void gst_asyncdisksrc_close_file(GstAsyncDiskSrc *src) {
+ g_return_if_fail(GST_FLAG_IS_SET(src,GST_ASYNCDISKSRC_OPEN));
+
+ /* unmap the file from memory */
+ munmap(src->map,src->size);
+ /* close the file */
+ close(src->fd);
+
+ /* zero out a lot of our state */
+ src->fd = 0;
+ src->size = 0;
+ src->map = NULL;
+ src->curoffset = 0;
+ src->seq = 0;
+
+ GST_FLAG_UNSET(src,GST_ASYNCDISKSRC_OPEN);
+}
+
+
+static gboolean gst_asyncdisksrc_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_ASYNCDISKSRC(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_asyncdisksrc_open_file(GST_ASYNCDISKSRC(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_asyncdisksrc_close_file(GST_ASYNCDISKSRC(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
diff --git a/gst/elements/gstasyncdisksrc.h b/gst/elements/gstasyncdisksrc.h
new file mode 100644
index 0000000000..5c50d6ef5b
--- /dev/null
+++ b/gst/elements/gstasyncdisksrc.h
@@ -0,0 +1,88 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_ASYNCDISKSRC_H__
+#define __GST_ASYNCDISKSRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_asyncdisksrc_details;
+
+
+#define GST_TYPE_ASYNCDISKSRC \
+ (gst_asyncdisksrc_get_type())
+#define GST_ASYNCDISKSRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_ASYNCDISKSRC,GstAsyncDiskSrc))
+#define GST_ASYNCDISKSRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_ASYNCDISKSRC,GstAsyncDiskSrcClass))
+#define GST_IS_ASYNCDISKSRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_ASYNCDISKSRC))
+#define GST_IS_ASYNCDISKSRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_ASYNCDISKSRC)))
+
+// NOTE: per-element flags start with 16 for now
+typedef enum {
+ GST_ASYNCDISKSRC_OPEN = (1 << 16),
+} GstAsyncDiskSrcFlags;
+
+typedef struct _GstAsyncDiskSrc GstAsyncDiskSrc;
+typedef struct _GstAsyncDiskSrcClass GstAsyncDiskSrcClass;
+
+struct _GstAsyncDiskSrc {
+ GstSrc src;
+ /* pads */
+ GstPad *srcpad;
+
+ /* filename */
+ gchar *filename;
+ /* fd */
+ gint fd;
+
+ /* mapping parameters */
+ gulong size; /* how long is the file? */
+ guchar *map; /* where the file is mapped to */
+
+ /* details for fallback synchronous read */
+ gulong curoffset; /* current offset in file */
+ gulong bytes_per_read; /* bytes per read */
+
+ gulong seq; /* buffer sequence number */
+};
+
+struct _GstAsyncDiskSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_asyncdisksrc_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_ASYNCDISKSRC_H__ */
diff --git a/gst/elements/gstaudiosink.c b/gst/elements/gstaudiosink.c
new file mode 100644
index 0000000000..56523cbc56
--- /dev/null
+++ b/gst/elements/gstaudiosink.c
@@ -0,0 +1,291 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/soundcard.h>
+
+#include <gstaudiosink.h>
+#include <gst/meta/audioraw.h>
+
+
+GstElementDetails gst_audiosink_details = {
+ "Audio Sink (OSS)",
+ "Sink/Audio",
+ "Output to a sound card via OSS",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+static gboolean gst_audiosink_open_audio(GstAudioSink *sink);
+static void gst_audiosink_close_audio(GstAudioSink *sink);
+static gboolean gst_audiosink_start(GstElement *element,
+ GstElementState state);
+static gboolean gst_audiosink_stop(GstElement *element);
+static gboolean gst_audiosink_change_state(GstElement *element,
+ GstElementState state);
+
+
+/* AudioSink signals and args */
+enum {
+ HANDOFF,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_audiosink_class_init(GstAudioSinkClass *klass);
+static void gst_audiosink_init(GstAudioSink *audiosink);
+
+
+static GstFilterClass *parent_class = NULL;
+static guint gst_audiosink_signals[LAST_SIGNAL] = { 0 };
+
+static guint16 gst_audiosink_type_audio = 0;
+
+GtkType
+gst_audiosink_get_type(void) {
+ static GtkType audiosink_type = 0;
+
+ if (!audiosink_type) {
+ static const GtkTypeInfo audiosink_info = {
+ "GstAudioSink",
+ sizeof(GstAudioSink),
+ sizeof(GstAudioSinkClass),
+ (GtkClassInitFunc)gst_audiosink_class_init,
+ (GtkObjectInitFunc)gst_audiosink_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ audiosink_type = gtk_type_unique(GST_TYPE_FILTER,&audiosink_info);
+ }
+
+ if (!gst_audiosink_type_audio)
+ gst_audiosink_type_audio = gst_type_find_by_mime("audio/raw");
+
+ return audiosink_type;
+}
+
+static void
+gst_audiosink_class_init(GstAudioSinkClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_FILTER);
+
+ gst_audiosink_signals[HANDOFF] =
+ gtk_signal_new("handoff",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstAudioSinkClass,handoff),
+ gtk_marshal_NONE__POINTER_POINTER,GTK_TYPE_NONE,2,
+ GTK_TYPE_POINTER,GTK_TYPE_POINTER);
+ gtk_object_class_add_signals(gtkobject_class,gst_audiosink_signals,
+ LAST_SIGNAL);
+
+ gstelement_class->start = gst_audiosink_start;
+ gstelement_class->stop = gst_audiosink_stop;
+ gstelement_class->change_state = gst_audiosink_change_state;
+}
+
+static void gst_audiosink_init(GstAudioSink *audiosink) {
+ audiosink->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(audiosink),audiosink->sinkpad);
+ if (!gst_audiosink_type_audio)
+ gst_audiosink_type_audio = gst_type_find_by_mime("audio/raw");
+ gst_pad_set_type_id(audiosink->sinkpad,gst_audiosink_type_audio);
+ gst_pad_set_chain_function(audiosink->sinkpad,gst_audiosink_chain);
+
+ audiosink->fd = -1;
+
+ gst_element_set_state(GST_ELEMENT(audiosink),GST_STATE_COMPLETE);
+}
+
+void gst_audiosink_sync_parms(GstAudioSink *audiosink) {
+ audio_buf_info ospace;
+
+ g_return_if_fail(audiosink != NULL);
+ g_return_if_fail(GST_IS_AUDIOSINK(audiosink));
+ g_return_if_fail(audiosink->fd > 0);
+
+ ioctl(audiosink->fd,SNDCTL_DSP_RESET,0);
+
+ ioctl(audiosink->fd,SNDCTL_DSP_SETFMT,&audiosink->format);
+ ioctl(audiosink->fd,SNDCTL_DSP_CHANNELS,&audiosink->channels);
+ ioctl(audiosink->fd,SNDCTL_DSP_SPEED,&audiosink->frequency);
+
+ ioctl(audiosink->fd,SNDCTL_DSP_GETOSPACE,&ospace);
+
+ g_print("setting sound card to %dKHz %d bit %s (%d bytes buffer)\n",
+ audiosink->frequency,audiosink->format,
+ (audiosink->channels == 2) ? "stereo" : "mono",ospace.bytes);
+}
+
+GstElement *gst_audiosink_new(gchar *name) {
+ GstElement *audiosink = GST_ELEMENT(gtk_type_new(GST_TYPE_AUDIOSINK));
+ gst_element_set_name(GST_ELEMENT(audiosink),name);
+ return audiosink;
+}
+
+void gst_audiosink_chain(GstPad *pad,GstBuffer *buf) {
+ GstAudioSink *audiosink;
+ MetaAudioRaw *meta;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ /* this has to be an audio buffer */
+// g_return_if_fail(((GstMeta *)buf->meta)->type !=
+//gst_audiosink_type_audio);
+ audiosink = GST_AUDIOSINK(pad->parent);
+// g_return_if_fail(GST_FLAG_IS_SET(audiosink,GST_STATE_RUNNING));
+
+ meta = (MetaAudioRaw *)gst_buffer_get_first_meta(buf);
+ if (meta != NULL) {
+ if ((meta->format != audiosink->format) ||
+ (meta->channels != audiosink->channels) ||
+ (meta->frequency != audiosink->frequency)) {
+ audiosink->format = meta->format;
+ audiosink->channels = meta->channels;
+ audiosink->frequency = meta->frequency;
+ gst_audiosink_sync_parms(audiosink);
+ g_print("sound device set to format %d, %d channels, %dHz\n",
+ audiosink->format,audiosink->channels,audiosink->frequency);
+ }
+ }
+
+ gtk_signal_emit(GTK_OBJECT(audiosink),gst_audiosink_signals[HANDOFF],
+ audiosink);
+ if (GST_BUFFER_DATA(buf) != NULL) {
+ gst_trace_add_entry(NULL,0,buf,"audiosink: writing to soundcard");
+ if (audiosink->fd > 2)
+ write(audiosink->fd,GST_BUFFER_DATA(buf),GST_BUFFER_SIZE(buf));
+ }
+
+ gst_buffer_unref(buf);
+// g_print("a");
+}
+
+void gst_audiosink_set_format(GstAudioSink *audiosink,gint format) {
+ g_return_if_fail(audiosink != NULL);
+ g_return_if_fail(GST_IS_AUDIOSINK(audiosink));
+
+ audiosink->format = format;
+
+ gst_audiosink_sync_parms(audiosink);
+}
+
+void gst_audiosink_set_channels(GstAudioSink *audiosink,gint channels) {
+ g_return_if_fail(audiosink != NULL);
+ g_return_if_fail(GST_IS_AUDIOSINK(audiosink));
+
+ audiosink->channels = channels;
+
+ gst_audiosink_sync_parms(audiosink);
+}
+
+void gst_audiosink_set_frequency(GstAudioSink *audiosink,gint frequency) {
+ g_return_if_fail(audiosink != NULL);
+ g_return_if_fail(GST_IS_AUDIOSINK(audiosink));
+
+ audiosink->frequency = frequency;
+
+ gst_audiosink_sync_parms(audiosink);
+}
+
+static gboolean gst_audiosink_open_audio(GstAudioSink *sink) {
+ g_return_if_fail(sink->fd == -1);
+
+ g_print("attempting to open sound device\n");
+
+ /* first try to open the sound card */
+ sink->fd = open("/dev/dsp",O_RDWR);
+
+ /* if we have it, set the default parameters and go have fun */
+ if (sink->fd > 0) {
+ /* set card state */
+ sink->format = AFMT_S16_LE;
+ sink->channels = 2; /* stereo */
+ sink->frequency = 44100;
+ gst_audiosink_sync_parms(sink);
+ g_print("opened audio\n");
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void gst_audiosink_close_audio(GstAudioSink *sink) {
+ if (sink->fd < 0) return;
+
+ close(sink->fd);
+ sink->fd = -1;
+ g_print("closed sound device\n");
+}
+
+static gboolean gst_audiosink_start(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_AUDIOSINK(element));
+
+ if (gst_audiosink_open_audio(GST_AUDIOSINK(element)) == TRUE) {
+ gst_element_set_state(element,GST_STATE_RUNNING | state);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gboolean gst_audiosink_stop(GstElement *element) {
+ g_return_if_fail(GST_IS_AUDIOSINK(element));
+
+ gst_audiosink_close_audio(GST_AUDIOSINK(element));
+ gst_element_set_state(element,~GST_STATE_RUNNING);
+ return TRUE;
+}
+
+static gboolean gst_audiosink_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_AUDIOSINK(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_audiosink_open_audio(GST_AUDIOSINK(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_audiosink_close_audio(GST_AUDIOSINK(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
diff --git a/gst/elements/gstaudiosink.h b/gst/elements/gstaudiosink.h
new file mode 100644
index 0000000000..5159eb0a95
--- /dev/null
+++ b/gst/elements/gstaudiosink.h
@@ -0,0 +1,85 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_AUDIOSINK_H__
+#define __GST_AUDIOSINK_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_audiosink_details;
+
+
+#define GST_TYPE_AUDIOSINK \
+ (gst_audiosink_get_type())
+#define GST_AUDIOSINK(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_AUDIOSINK,GstAudioSink))
+#define GST_AUDIOSINK_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIOSINK,GstAudioSinkClass))
+#define GST_IS_AUDIOSINK(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_AUDIOSINK))
+#define GST_IS_AUDIOSINK_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIOSINK)))
+
+typedef struct _GstAudioSink GstAudioSink;
+typedef struct _GstAudioSinkClass GstAudioSinkClass;
+
+struct _GstAudioSink {
+ GstFilter filter;
+
+ GstPad *sinkpad;
+
+ /* soundcard state */
+ int fd;
+ gint format;
+ gint channels;
+ gint frequency;
+};
+
+struct _GstAudioSinkClass {
+ GstFilterClass parent_class;
+
+ /* signals */
+ void (*handoff) (GstElement *element,GstPad *pad);
+};
+
+GtkType gst_audiosink_get_type(void);
+GstElement *gst_audiosink_new(gchar *name);
+void gst_audiosink_chain(GstPad *pad,GstBuffer *buf);
+
+void gst_audiosink_sync_parms(GstAudioSink *audiosink);
+
+void gst_audiosink_set_format(GstAudioSink *audiosink,gint format);
+void gst_audiosink_set_channels(GstAudioSink *audiosink,gint channels);
+void gst_audiosink_set_frequency(GstAudioSink *audiosink,gint frequency);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_AUDIOSINK_H__ */
diff --git a/gst/elements/gstaudiosrc.c b/gst/elements/gstaudiosrc.c
new file mode 100644
index 0000000000..2f06b4c74d
--- /dev/null
+++ b/gst/elements/gstaudiosrc.c
@@ -0,0 +1,319 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/soundcard.h>
+
+#include <gstaudiosrc.h>
+
+
+GstElementDetails gst_audiosrc_details = {
+ "Audio (OSS) Source",
+ "Source/Audio",
+ "Read from the sound card",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* AudioSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LOCATION,
+ ARG_BYTESPERREAD,
+ ARG_CUROFFSET,
+ ARG_FORMAT,
+ ARG_CHANNELS,
+ ARG_FREQUENCY,
+};
+
+
+static void gst_audiosrc_class_init(GstAudioSrcClass *klass);
+static void gst_audiosrc_init(GstAudioSrc *audiosrc);
+static void gst_audiosrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_audiosrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+static gboolean gst_audiosrc_change_state(GstElement *element,
+ GstElementState state);
+static void gst_audiosrc_close_audio(GstAudioSrc *src);
+static gboolean gst_audiosrc_open_audio(GstAudioSrc *src);
+void gst_audiosrc_sync_parms(GstAudioSrc *audiosrc);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_audiosrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_audiosrc_get_type(void) {
+ static GtkType audiosrc_type = 0;
+
+ if (!audiosrc_type) {
+ static const GtkTypeInfo audiosrc_info = {
+ "GstAudioSrc",
+ sizeof(GstAudioSrc),
+ sizeof(GstAudioSrcClass),
+ (GtkClassInitFunc)gst_audiosrc_class_init,
+ (GtkObjectInitFunc)gst_audiosrc_init,
+ (GtkArgSetFunc)gst_audiosrc_set_arg,
+ (GtkArgGetFunc)gst_audiosrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ audiosrc_type = gtk_type_unique(GST_TYPE_SRC,&audiosrc_info);
+ }
+ return audiosrc_type;
+}
+
+static void
+gst_audiosrc_class_init(GstAudioSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gtk_object_add_arg_type("GstAudioSrc::location", GTK_TYPE_STRING,
+ GTK_ARG_READWRITE, ARG_LOCATION);
+ gtk_object_add_arg_type("GstAudioSrc::bytes_per_read", GTK_TYPE_ULONG,
+ GTK_ARG_READWRITE, ARG_BYTESPERREAD);
+ gtk_object_add_arg_type("GstAudioSrc::curoffset", GTK_TYPE_ULONG,
+ GTK_ARG_READABLE, ARG_CUROFFSET);
+ gtk_object_add_arg_type("GstAudioSrc::format", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FORMAT);
+ gtk_object_add_arg_type("GstAudioSrc::channels", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_CHANNELS);
+ gtk_object_add_arg_type("GstAudioSrc::frequency", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FREQUENCY);
+
+ gtkobject_class->set_arg = gst_audiosrc_set_arg;
+ gtkobject_class->get_arg = gst_audiosrc_get_arg;
+
+ gstelement_class->change_state = gst_audiosrc_change_state;
+
+ gstsrc_class->push = gst_audiosrc_push;
+}
+
+static void gst_audiosrc_init(GstAudioSrc *audiosrc) {
+ audiosrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(audiosrc),audiosrc->srcpad);
+
+ audiosrc->filename = g_strdup("/dev/dsp");
+ audiosrc->fd = -1;
+
+// audiosrc->meta = (MetaAudioRaw *)gst_meta_new();
+// audiosrc->meta->format = AFMT_S16_LE;
+// audiosrc->meta->channels = 2;
+// audiosrc->meta->frequency = 44100;
+// audiosrc->meta->bps = 4;
+
+ audiosrc->bytes_per_read = 4096;
+ audiosrc->curoffset = 0;
+ audiosrc->seq = 0;
+}
+
+GstElement *gst_audiosrc_new(gchar *name) {
+ GstElement *audiosrc = GST_ELEMENT(gtk_type_new(GST_TYPE_AUDIOSRC));
+ gst_element_set_name(GST_ELEMENT(audiosrc),name);
+ return audiosrc;
+}
+
+GstElement *gst_audiosrc_new_with_fd(gchar *name,gchar *filename) {
+ GstElement *audiosrc = gst_audiosrc_new(name);
+ gtk_object_set(GTK_OBJECT(audiosrc),"location",filename,NULL);
+ return audiosrc;
+}
+
+void gst_audiosrc_push(GstSrc *src) {
+ GstAudioSrc *audiosrc;
+ GstBuffer *buf;
+ glong readbytes;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_AUDIOSRC(src));
+ audiosrc = GST_AUDIOSRC(src);
+
+// g_print("attempting to read something from soundcard\n");
+
+ buf = gst_buffer_new();
+ g_return_if_fail(buf);
+ GST_BUFFER_DATA(buf) = (gpointer)g_malloc(audiosrc->bytes_per_read);
+ readbytes = read(audiosrc->fd,GST_BUFFER_DATA(buf),
+ audiosrc->bytes_per_read);
+ if (readbytes == 0) {
+ gst_src_signal_eos(GST_SRC(audiosrc));
+ return;
+ }
+
+ GST_BUFFER_SIZE(buf) = readbytes;
+ GST_BUFFER_OFFSET(buf) = audiosrc->curoffset;
+ audiosrc->curoffset += readbytes;
+
+// gst_buffer_add_meta(buf,GST_META(newmeta));
+
+ gst_pad_push(audiosrc->srcpad,buf);
+// g_print("pushed buffer from soundcard of %d bytes\n",readbytes);
+}
+
+static void gst_audiosrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstAudioSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_AUDIOSRC(object));
+ src = GST_AUDIOSRC(object);
+
+ switch (id) {
+ case ARG_LOCATION:
+ if (src->filename) g_free(src->filename);
+ if (GTK_VALUE_STRING(*arg) == NULL) {
+ src->filename = NULL;
+ gst_element_set_state(GST_ELEMENT(object),~GST_STATE_COMPLETE);
+ } else {
+ src->filename = g_strdup(GTK_VALUE_STRING(*arg));
+ gst_element_set_state(GST_ELEMENT(object),GST_STATE_COMPLETE);
+ }
+ break;
+ case ARG_BYTESPERREAD:
+ src->bytes_per_read = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_FORMAT:
+ src->format = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_CHANNELS:
+ src->channels = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_FREQUENCY:
+ src->frequency = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_audiosrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstAudioSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_AUDIOSRC(object));
+ src = GST_AUDIOSRC(object);
+
+ switch (id) {
+ case ARG_LOCATION:
+ GTK_VALUE_STRING(*arg) = g_strdup(src->filename);
+ break;
+ case ARG_BYTESPERREAD:
+ GTK_VALUE_INT(*arg) = src->bytes_per_read;
+ break;
+ case ARG_FORMAT:
+ GTK_VALUE_INT(*arg) = src->format;
+ break;
+ case ARG_CHANNELS:
+ GTK_VALUE_INT(*arg) = src->channels;
+ break;
+ case ARG_FREQUENCY:
+ GTK_VALUE_INT(*arg) = src->frequency;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+static gboolean gst_audiosrc_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_AUDIOSRC(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_audiosrc_open_audio(GST_AUDIOSRC(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_audiosrc_close_audio(GST_AUDIOSRC(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+
+static gboolean gst_audiosrc_open_audio(GstAudioSrc *src) {
+ g_return_if_fail(src->fd == -1);
+
+ /* first try to open the sound card */
+ src->fd = open("/dev/dsp",O_RDONLY);
+
+ /* if we have it, set the default parameters and go have fun */
+ if (src->fd > 0) {
+ int arg = 0x7fff0006;
+
+ if (ioctl(src->fd, SNDCTL_DSP_SETFRAGMENT, &arg)) perror("uh");
+
+ /* set card state */
+ gst_audiosrc_sync_parms(src);
+ DEBUG("opened audio\n");
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void gst_audiosrc_close_audio(GstAudioSrc *src) {
+ g_return_if_fail(src->fd >= 0);
+
+ close(src->fd);
+ src->fd = -1;
+}
+
+void gst_audiosrc_sync_parms(GstAudioSrc *audiosrc) {
+ audio_buf_info ospace;
+
+ g_return_if_fail(audiosrc != NULL);
+ g_return_if_fail(GST_IS_AUDIOSRC(audiosrc));
+ g_return_if_fail(audiosrc->fd > 0);
+
+ ioctl(audiosrc->fd,SNDCTL_DSP_RESET,0);
+
+ ioctl(audiosrc->fd,SNDCTL_DSP_SETFMT,&audiosrc->format);
+ ioctl(audiosrc->fd,SNDCTL_DSP_CHANNELS,&audiosrc->channels);
+ ioctl(audiosrc->fd,SNDCTL_DSP_SPEED,&audiosrc->frequency);
+
+ ioctl(audiosrc->fd,SNDCTL_DSP_GETOSPACE,&ospace);
+
+ g_print("setting sound card to %dKHz %d bit %s (%d bytes buffer)\n",
+ audiosrc->frequency,audiosrc->format,
+ (audiosrc->channels == 2) ? "stereo" : "mono",ospace.bytes);
+
+// audiosrc->meta.format = audiosrc->format;
+// audiosrc->meta.channels = audiosrc->channels;
+// audiosrc->meta.frequency = audiosrc->frequency;
+// audiosrc->sentmeta = FALSE;
+}
diff --git a/gst/elements/gstaudiosrc.h b/gst/elements/gstaudiosrc.h
new file mode 100644
index 0000000000..bcaedcf4a3
--- /dev/null
+++ b/gst/elements/gstaudiosrc.h
@@ -0,0 +1,90 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_AUDIOSRC_H__
+#define __GST_AUDIOSRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+#include <gst/meta/audioraw.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_audiosrc_details;
+
+
+#define GST_TYPE_AUDIOSRC \
+ (gst_audiosrc_get_type())
+#define GST_AUDIOSRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_AUDIOSRC,GstAudioSrc))
+#define GST_AUDIOSRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIOSRC,GstAudioSrcClass))
+#define GST_IS_AUDIOSRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_AUDIOSRC))
+#define GST_IS_AUDIOSRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIOSRC)))
+
+typedef struct _GstAudioSrc GstAudioSrc;
+typedef struct _GstAudioSrcClass GstAudioSrcClass;
+
+struct _GstAudioSrc {
+ GstSrc src;
+
+ /* pads */
+ GstPad *srcpad;
+
+ /* sound card */
+ gchar *filename;
+ gint fd;
+
+ /* audio parameters */
+ gint format;
+ gint channels;
+ gint frequency;
+
+ /* blocking */
+ gulong curoffset;
+ gulong bytes_per_read;
+
+ gulong seq;
+
+ MetaAudioRaw *meta;
+};
+
+struct _GstAudioSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_audiosrc_get_type(void);
+GstElement *gst_audiosrc_new(gchar *name);
+
+void gst_audiosrc_push(GstSrc *src);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_AUDIOSRC_H__ */
diff --git a/gst/elements/gstdisksrc.c b/gst/elements/gstdisksrc.c
new file mode 100644
index 0000000000..9c0ff78ee7
--- /dev/null
+++ b/gst/elements/gstdisksrc.c
@@ -0,0 +1,267 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <gstdisksrc.h>
+
+
+GstElementDetails gst_disksrc_details = {
+ "Disk Source",
+ "Source/File",
+ "Synchronous read from a file",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* DiskSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LOCATION,
+ ARG_BYTESPERREAD,
+ ARG_OFFSET,
+};
+
+
+static void gst_disksrc_class_init(GstDiskSrcClass *klass);
+static void gst_disksrc_init(GstDiskSrc *disksrc);
+static void gst_disksrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_disksrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+static void gst_disksrc_push(GstSrc *src);
+static void gst_disksrc_push_region(GstSrc *src,gulong offset,gulong size);
+static gboolean gst_disksrc_change_state(GstElement *element,
+ GstElementState state);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_disksrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_disksrc_get_type(void) {
+ static GtkType disksrc_type = 0;
+
+ if (!disksrc_type) {
+ static const GtkTypeInfo disksrc_info = {
+ "GstDiskSrc",
+ sizeof(GstDiskSrc),
+ sizeof(GstDiskSrcClass),
+ (GtkClassInitFunc)gst_disksrc_class_init,
+ (GtkObjectInitFunc)gst_disksrc_init,
+ (GtkArgSetFunc)gst_disksrc_set_arg,
+ (GtkArgGetFunc)gst_disksrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ disksrc_type = gtk_type_unique(GST_TYPE_SRC,&disksrc_info);
+ }
+ return disksrc_type;
+}
+
+static void
+gst_disksrc_class_init(GstDiskSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gtk_object_add_arg_type("GstDiskSrc::location", GTK_TYPE_STRING,
+ GTK_ARG_READWRITE, ARG_LOCATION);
+ gtk_object_add_arg_type("GstDiskSrc::bytesperread", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_BYTESPERREAD);
+ gtk_object_add_arg_type("GstDiskSrc::offset", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_OFFSET);
+
+ gtkobject_class->set_arg = gst_disksrc_set_arg;
+ gtkobject_class->get_arg = gst_disksrc_get_arg;
+
+ gstelement_class->change_state = gst_disksrc_change_state;
+
+ gstsrc_class->push = gst_disksrc_push;
+ /* we nominally can't (won't) do async */
+ gstsrc_class->push_region = NULL;
+}
+
+static void gst_disksrc_init(GstDiskSrc *disksrc) {
+ disksrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(disksrc),disksrc->srcpad);
+
+ disksrc->filename = NULL;
+ disksrc->fd = 0;
+ disksrc->curoffset = 0;
+ disksrc->bytes_per_read = 4096;
+ disksrc->seq = 0;
+}
+
+
+static void gst_disksrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstDiskSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_DISKSRC(object));
+ src = GST_DISKSRC(object);
+
+ switch(id) {
+ case ARG_LOCATION:
+ /* the element must be stopped in order to do this */
+// g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING));
+
+ if (src->filename) g_free(src->filename);
+ /* clear the filename if we get a NULL (is that possible?) */
+ if (GTK_VALUE_STRING(*arg) == NULL) {
+ src->filename = NULL;
+ gst_element_set_state(GST_ELEMENT(object),~GST_STATE_COMPLETE);
+ /* otherwise set the new filename */
+ } else {
+ src->filename = g_strdup(GTK_VALUE_STRING(*arg));
+ gst_element_set_state(GST_ELEMENT(object),GST_STATE_COMPLETE);
+ }
+ break;
+ case ARG_BYTESPERREAD:
+ src->bytes_per_read = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_disksrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstDiskSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_DISKSRC(object));
+ src = GST_DISKSRC(object);
+
+ switch (id) {
+ case ARG_LOCATION:
+ GTK_VALUE_STRING(*arg) = src->filename;
+ break;
+ case ARG_BYTESPERREAD:
+ GTK_VALUE_INT(*arg) = src->bytes_per_read;
+ break;
+ case ARG_OFFSET:
+ GTK_VALUE_INT(*arg) = src->curoffset;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+void gst_disksrc_push(GstSrc *src) {
+ GstDiskSrc *disksrc;
+ GstBuffer *buf;
+ glong readbytes;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_DISKSRC(src));
+ g_return_if_fail(GST_FLAG_IS_SET(src,GST_DISKSRC_OPEN));
+ disksrc = GST_DISKSRC(src);
+
+ /* create the buffer */
+ // FIXME: should eventually use a bufferpool for this
+ buf = gst_buffer_new();
+ g_return_if_fail(buf);
+
+ /* allocate the space for the buffer data */
+ GST_BUFFER_DATA(buf) = g_malloc(disksrc->bytes_per_read);
+ g_return_if_fail(GST_BUFFER_DATA(buf) != NULL);
+
+ /* read it in from the file */
+ readbytes = read(disksrc->fd,GST_BUFFER_DATA(buf),disksrc->bytes_per_read);
+ if (readbytes == 0) {
+ gst_src_signal_eos(GST_SRC(disksrc));
+ return;
+ }
+
+ /* if we didn't get as many bytes as we asked for, we're at EOF */
+ if (readbytes < disksrc->bytes_per_read)
+ GST_BUFFER_FLAG_SET(buf,GST_BUFFER_EOS);
+ GST_BUFFER_OFFSET(buf) = disksrc->curoffset;
+ GST_BUFFER_SIZE(buf) = readbytes;
+ disksrc->curoffset += readbytes;
+
+ /* we're done, push the buffer off now */
+ gst_pad_push(disksrc->srcpad,buf);
+}
+
+
+/* open the file, necessary to go to RUNNING state */
+static gboolean gst_disksrc_open_file(GstDiskSrc *src) {
+ g_return_if_fail(!GST_FLAG_IS_SET(src,GST_DISKSRC_OPEN));
+
+ /* open the file */
+ src->fd = open(src->filename,O_RDONLY);
+ if (src->fd < 0) {
+ perror("open()");
+ gst_element_error(GST_ELEMENT(src),"opening file");
+ return FALSE;
+ }
+ GST_FLAG_SET(src,GST_DISKSRC_OPEN);
+ return TRUE;
+}
+
+/* close the file */
+static void gst_disksrc_close_file(GstDiskSrc *src) {
+ g_return_if_fail(GST_FLAG_IS_SET(src,GST_DISKSRC_OPEN));
+
+ /* close the file */
+ close(src->fd);
+
+ /* zero out a lot of our state */
+ src->fd = 0;
+ src->curoffset = 0;
+ src->seq = 0;
+
+ GST_FLAG_UNSET(src,GST_DISKSRC_OPEN);
+}
+
+static gboolean gst_disksrc_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_DISKSRC(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_disksrc_open_file(GST_DISKSRC(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_disksrc_close_file(GST_DISKSRC(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
diff --git a/gst/elements/gstdisksrc.h b/gst/elements/gstdisksrc.h
new file mode 100644
index 0000000000..bdf2f9e2c5
--- /dev/null
+++ b/gst/elements/gstdisksrc.h
@@ -0,0 +1,83 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_DISKSRC_H__
+#define __GST_DISKSRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_disksrc_details;
+
+
+#define GST_TYPE_DISKSRC \
+ (gst_disksrc_get_type())
+#define GST_DISKSRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_DISKSRC,GstDiskSrc))
+#define GST_DISKSRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_DISKSRC,GstDiskSrcClass))
+#define GST_IS_DISKSRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_DISKSRC))
+#define GST_IS_DISKSRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_DISKSRC)))
+
+// NOTE: per-element flags start with 16 for now
+typedef enum {
+ GST_DISKSRC_OPEN = (1 << 16),
+} GstDiskSrcFlags;
+
+typedef struct _GstDiskSrc GstDiskSrc;
+typedef struct _GstDiskSrcClass GstDiskSrcClass;
+
+struct _GstDiskSrc {
+ GstSrc src;
+ /* pads */
+ GstPad *srcpad;
+
+ /* filename */
+ gchar *filename;
+ /* fd */
+ gint fd;
+
+ gulong curoffset; /* current offset in file */
+ gulong bytes_per_read; /* bytes per read */
+
+ gulong seq; /* buffer sequence number */
+};
+
+struct _GstDiskSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_disksrc_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_DISKSRC_H__ */
diff --git a/gst/elements/gstelements.c b/gst/elements/gstelements.c
new file mode 100644
index 0000000000..a44418d20e
--- /dev/null
+++ b/gst/elements/gstelements.c
@@ -0,0 +1,85 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gst.h>
+
+#include <gstasyncdisksrc.h>
+#include <gstaudiosink.h>
+#include <gstaudiosrc.h>
+#include <gstdisksrc.h>
+#include <gstidentity.h>
+#include <gstfakesink.h>
+#include <gstfakesrc.h>
+#include <gstfdsink.h>
+#include <gstfdsrc.h>
+#include <gsthttpsrc.h>
+#include <gstqueue.h>
+#include <gstsinesrc.h>
+
+
+struct _elements_entry {
+ gchar *name;
+ GtkType (*type) (void);
+ GstElementDetails *details;
+};
+
+struct _elements_entry _elements[] = {
+ { "asyncdisksrc", gst_asyncdisksrc_get_type, &gst_asyncdisksrc_details },
+ { "audiosink", gst_audiosink_get_type, &gst_audiosink_details },
+ { "audiosrc", gst_audiosrc_get_type, &gst_audiosrc_details },
+ { "disksrc", gst_disksrc_get_type, &gst_disksrc_details },
+ { "identity", gst_identity_get_type, &gst_identity_details },
+ { "fakesink", gst_fakesink_get_type, &gst_fakesink_details },
+ { "fakesrc", gst_fakesrc_get_type, &gst_fakesrc_details },
+ { "fdsink", gst_fdsink_get_type, &gst_fdsink_details },
+ { "fdsrc", gst_fdsrc_get_type, &gst_fdsrc_details },
+ { "httpsrc", gst_httpsrc_get_type, &gst_httpsrc_details },
+ { "queue", gst_queue_get_type, &gst_queue_details },
+ { "sinesrc", gst_sinesrc_get_type, &gst_sinesrc_details },
+ { NULL, 0 },
+};
+
+GstPlugin *plugin_init(GModule *module) {
+ GstPlugin *plugin;
+ GstElementFactory *factory;
+ int i = 0;
+
+ if (gst_plugin_find("gstelements") != NULL) return NULL;
+
+ plugin = gst_plugin_new("gstelements");
+ g_return_val_if_fail(plugin != NULL,NULL);
+
+ gst_plugin_set_longname(plugin,"Standard GST Elements");
+
+ while (_elements[i].name) {
+ factory = gst_elementfactory_new(_elements[i].name,
+ (_elements[i].type)(),
+ _elements[i].details);
+ if (factory != NULL) {
+ gst_plugin_add_factory(plugin,factory);
+// DEBUG("added factory '%s'\n",_elements[i].name);
+ }
+ i++;
+ }
+
+ gst_info("gstelements: loaded %d standard elements\n",i);
+
+ return plugin;
+}
diff --git a/gst/elements/gstesdsink.c b/gst/elements/gstesdsink.c
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/gst/elements/gstesdsink.c
diff --git a/gst/elements/gstesdsink.h b/gst/elements/gstesdsink.h
new file mode 100644
index 0000000000..97dce1e9bf
--- /dev/null
+++ b/gst/elements/gstesdsink.h
@@ -0,0 +1,81 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_ESDSINK_H__
+#define __GST_ESDSINK_H__
+
+
+#include <gst/gstfilter.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_ESDSINK \
+ (gst_esdsink_get_type())
+#define GST_ESDSINK(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_ESDSINK,GstEsdSink))
+#define GST_ESDSINK_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_ESDSINK,GstEsdSinkClass))
+#define GST_IS_ESDSINK(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_ESDSINK))
+#define GST_IS_ESDSINK_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_ESDSINK)))
+
+typedef struct _GstEsdSink GstEsdSink;
+typedef struct _GstEsdSinkClass GstEsdSinkClass;
+
+struct _GstEsdSink {
+ GstFilter filter;
+
+ GstPad *sinkpad;
+
+ /* soundcard state */
+
+ int fd;
+ gint format;
+ gint channels;
+ gint frequency;
+};
+
+struct _GstEsdSinkClass {
+ GstFilterClass parent_class;
+
+ /* signals */
+ void (*handoff) (GstElement *element,GstPad *pad);
+};
+
+GtkType gst_esdsink_get_type(void);
+GstElement *gst_esdsink_new(gchar *name);
+void gst_esdsink_chain(GstPad *pad,GstBuffer *buf);
+
+void gst_esdsink_sync_parms(GstEsdSink *esdsink);
+
+void gst_esdsink_set_format(GstEsdSink *esdsink,gint format);
+void gst_esdsink_set_channels(GstEsdSink *esdsink,gint channels);
+void gst_esdsink_set_frequency(GstEsdSink *esdsink,gint frequency);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_ESDSINK_H__ */
diff --git a/gst/elements/gstfakesink.c b/gst/elements/gstfakesink.c
new file mode 100644
index 0000000000..661cd4cc4d
--- /dev/null
+++ b/gst/elements/gstfakesink.c
@@ -0,0 +1,109 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gstfakesink.h>
+
+
+GstElementDetails gst_fakesink_details = {
+ "Fake Sink",
+ "Sink",
+ "Black hole for data",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* FakeSink signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_fakesink_class_init(GstFakeSinkClass *klass);
+static void gst_fakesink_init(GstFakeSink *fakesink);
+
+
+static GstSinkClass *parent_class = NULL;
+static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_fakesink_get_type(void) {
+ static GtkType fakesink_type = 0;
+
+ if (!fakesink_type) {
+ static const GtkTypeInfo fakesink_info = {
+ "GstFakeSink",
+ sizeof(GstFakeSink),
+ sizeof(GstFakeSinkClass),
+ (GtkClassInitFunc)gst_fakesink_class_init,
+ (GtkObjectInitFunc)gst_fakesink_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ fakesink_type = gtk_type_unique(GST_TYPE_SINK,&fakesink_info);
+ }
+ return fakesink_type;
+}
+
+static void
+gst_fakesink_class_init(GstFakeSinkClass *klass) {
+ GstSinkClass *gstsink_class;
+
+ gstsink_class = (GstSinkClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SINK);
+}
+
+static void gst_fakesink_init(GstFakeSink *fakesink) {
+ fakesink->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(fakesink),fakesink->sinkpad);
+ gst_pad_set_chain_function(fakesink->sinkpad,gst_fakesink_chain);
+
+ // we're already complete, since we don't have any args...
+ gst_element_set_state(GST_ELEMENT(fakesink),GST_STATE_COMPLETE);
+}
+
+GstElement *gst_fakesink_new(gchar *name) {
+ GstElement *fakesink = GST_ELEMENT(gtk_type_new(GST_TYPE_FAKESINK));
+ gst_element_set_name(GST_ELEMENT(fakesink),name);
+ return fakesink;
+}
+
+void gst_fakesink_chain(GstPad *pad,GstBuffer *buf) {
+ GstFakeSink *fakesink;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ fakesink = GST_FAKESINK(pad->parent);
+// g_print("gst_fakesink_chain: got buffer of %d bytes in '%s'\n",
+// buf->datasize,gst_element_get_name(GST_ELEMENT(fakesink)));
+ g_print("<");
+ gst_buffer_unref(buf);
+}
diff --git a/gst/elements/gstfakesink.h b/gst/elements/gstfakesink.h
new file mode 100644
index 0000000000..e6617fc21b
--- /dev/null
+++ b/gst/elements/gstfakesink.h
@@ -0,0 +1,71 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_FAKESINK_H__
+#define __GST_FAKESINK_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_fakesink_details;
+
+
+#define GST_TYPE_FAKESINK \
+ (gst_fakesink_get_type())
+#define GST_FAKESINK(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_FAKESINK,GstFakeSink))
+#define GST_FAKESINK_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FAKESINK,GstFakeSinkClass))
+#define GST_IS_FAKESINK(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_FAKESINK))
+#define GST_IS_FAKESINK_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FAKESINK)))
+
+typedef struct _GstFakeSink GstFakeSink;
+typedef struct _GstFakeSinkClass GstFakeSinkClass;
+
+struct _GstFakeSink {
+ GstSink sink;
+
+ GstPad *sinkpad;
+};
+
+struct _GstFakeSinkClass {
+ GstSinkClass parent_class;
+};
+
+GtkType gst_fakesink_get_type(void);
+GstElement *gst_fakesink_new(gchar *name);
+void gst_fakesink_chain(GstPad *pad,GstBuffer *buf);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FAKESINK_H__ */
diff --git a/gst/elements/gstfakesrc.c b/gst/elements/gstfakesrc.c
new file mode 100644
index 0000000000..6251f11f22
--- /dev/null
+++ b/gst/elements/gstfakesrc.c
@@ -0,0 +1,112 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gstfakesrc.h>
+
+
+GstElementDetails gst_fakesrc_details = {
+ "Fake Source",
+ "Source",
+ "Push empty (no data) buffers around",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* FakeSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_fakesrc_class_init(GstFakeSrcClass *klass);
+static void gst_fakesrc_init(GstFakeSrc *fakesrc);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_fakesrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_fakesrc_get_type(void) {
+ static GtkType fakesrc_type = 0;
+
+ if (!fakesrc_type) {
+ static const GtkTypeInfo fakesrc_info = {
+ "GstFakeSrc",
+ sizeof(GstFakeSrc),
+ sizeof(GstFakeSrcClass),
+ (GtkClassInitFunc)gst_fakesrc_class_init,
+ (GtkObjectInitFunc)gst_fakesrc_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ fakesrc_type = gtk_type_unique(GST_TYPE_SRC,&fakesrc_info);
+ }
+ return fakesrc_type;
+}
+
+static void
+gst_fakesrc_class_init(GstFakeSrcClass *klass) {
+ GstSrcClass *gstsrc_class;
+
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gstsrc_class->push = gst_fakesrc_push;
+ gstsrc_class->push_region = NULL;
+}
+
+static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
+ fakesrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(fakesrc),fakesrc->srcpad);
+
+ // we're already complete, since we don't have any args...
+ gst_element_set_state(GST_ELEMENT(fakesrc),GST_STATE_COMPLETE);
+}
+
+GstElement *gst_fakesrc_new(gchar *name) {
+ GstElement *fakesrc = GST_ELEMENT(gtk_type_new(GST_TYPE_FAKESRC));
+ gst_element_set_name(GST_ELEMENT(fakesrc),name);
+ return fakesrc;
+}
+
+void gst_fakesrc_push(GstSrc *src) {
+ GstFakeSrc *fakesrc;
+ GstBuffer *buf;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_FAKESRC(src));
+ fakesrc = GST_FAKESRC(src);
+
+// g_print("gst_fakesrc_push(): pushing fake buffer from '%s'\n",
+// gst_element_get_name(GST_ELEMENT(fakesrc)));
+ g_print(">");
+ buf = gst_buffer_new();
+ gst_pad_push(fakesrc->srcpad,buf);
+}
diff --git a/gst/elements/gstfakesrc.h b/gst/elements/gstfakesrc.h
new file mode 100644
index 0000000000..946e0f154c
--- /dev/null
+++ b/gst/elements/gstfakesrc.h
@@ -0,0 +1,70 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_FAKESRC_H__
+#define __GST_FAKESRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_fakesrc_details;
+
+
+#define GST_TYPE_FAKESRC \
+ (gst_fakesrc_get_type())
+#define GST_FAKESRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_FAKESRC,GstFakeSrc))
+#define GST_FAKESRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FAKESRC,GstFakeSrcClass))
+#define GST_IS_FAKESRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_FAKESRC))
+#define GST_IS_FAKESRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FAKESRC)))
+
+typedef struct _GstFakeSrc GstFakeSrc;
+typedef struct _GstFakeSrcClass GstFakeSrcClass;
+
+struct _GstFakeSrc {
+ GstSrc src;
+
+ GstPad *srcpad;
+};
+
+struct _GstFakeSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_fakesrc_get_type(void);
+GstElement *gst_fakesrc_new(gchar *name);
+void gst_fakesrc_push(GstSrc *src);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FAKESRC_H__ */
diff --git a/gst/elements/gstfdsink.c b/gst/elements/gstfdsink.c
new file mode 100644
index 0000000000..136f37c0b2
--- /dev/null
+++ b/gst/elements/gstfdsink.c
@@ -0,0 +1,155 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gstfdsink.h>
+
+
+GstElementDetails gst_fdsink_details = {
+ "Filedescriptor Sink",
+ "Sink",
+ "Write data to a file descriptor",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* FdSink signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_FD
+};
+
+
+static void gst_fdsink_class_init(GstFdSinkClass *klass);
+static void gst_fdsink_init(GstFdSink *fdsink);
+static void gst_fdsink_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_fdsink_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+
+static GstSinkClass *parent_class = NULL;
+static guint gst_fdsink_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_fdsink_get_type(void) {
+ static GtkType fdsink_type = 0;
+
+ if (!fdsink_type) {
+ static const GtkTypeInfo fdsink_info = {
+ "GstFdSink",
+ sizeof(GstFdSink),
+ sizeof(GstFdSinkClass),
+ (GtkClassInitFunc)gst_fdsink_class_init,
+ (GtkObjectInitFunc)gst_fdsink_init,
+ (GtkArgSetFunc)gst_fdsink_set_arg,
+ (GtkArgGetFunc)gst_fdsink_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ fdsink_type = gtk_type_unique(GST_TYPE_SINK,&fdsink_info);
+ }
+ return fdsink_type;
+}
+
+static void
+gst_fdsink_class_init(GstFdSinkClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstSinkClass *gstsink_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstsink_class = (GstSinkClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SINK);
+
+ gtk_object_add_arg_type("GstFdSink::fd", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FD);
+
+ gtkobject_class->set_arg = gst_fdsink_set_arg;
+ gtkobject_class->get_arg = gst_fdsink_get_arg;
+}
+
+static void gst_fdsink_init(GstFdSink *fdsink) {
+ fdsink->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(fdsink),fdsink->sinkpad);
+ gst_pad_set_chain_function(fdsink->sinkpad,gst_fdsink_chain);
+
+ fdsink->fd = 1;
+}
+
+GstElement *gst_fdsink_new(gchar *name) {
+ GstElement *fdsink = GST_ELEMENT(gtk_type_new(GST_TYPE_FDSINK));
+ gst_element_set_name(GST_ELEMENT(fdsink),name);
+ return fdsink;
+}
+
+GstElement *gst_fdsink_new_with_fd(gchar *name,gint fd) {
+ GstElement *fdsink = gst_fdsink_new(name);
+ gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL);
+ return fdsink;
+}
+
+void gst_fdsink_chain(GstPad *pad,GstBuffer *buf) {
+ GstFdSink *fdsink;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ fdsink = GST_FDSINK(pad->parent);
+ g_return_if_fail(fdsink->fd >= 0);
+ if (GST_BUFFER_DATA(buf))
+ write(fdsink->fd,GST_BUFFER_DATA(buf),GST_BUFFER_SIZE(buf));
+ gst_buffer_unref(buf);
+}
+
+static void gst_fdsink_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstFdSink *fdsink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_FDSINK(object));
+ fdsink = GST_FDSINK(object);
+
+ switch(id) {
+ case ARG_FD:
+ fdsink->fd = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_fdsink_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstFdSink *fdsink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_FDSINK(object));
+ fdsink = GST_FDSINK(object);
+
+ switch(id) {
+ case ARG_FD:
+ GTK_VALUE_INT(*arg) = fdsink->fd;
+ break;
+ default:
+ break;
+ }
+}
diff --git a/gst/elements/gstfdsink.h b/gst/elements/gstfdsink.h
new file mode 100644
index 0000000000..8a7cba37bf
--- /dev/null
+++ b/gst/elements/gstfdsink.h
@@ -0,0 +1,74 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_FDSINK_H__
+#define __GST_FDSINK_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_fdsink_details;
+
+
+#define GST_TYPE_FDSINK \
+ (gst_fdsink_get_type())
+#define GST_FDSINK(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_FDSINK,GstFdSink))
+#define GST_FDSINK_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FDSINK,GstFdSinkClass))
+#define GST_IS_FDSINK(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_FDSINK))
+#define GST_IS_FDSINK_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FDSINK)))
+
+typedef struct _GstFdSink GstFdSink;
+typedef struct _GstFdSinkClass GstFdSinkClass;
+
+struct _GstFdSink {
+ GstSink sink;
+
+ GstPad *sinkpad;
+
+ int fd;
+};
+
+struct _GstFdSinkClass {
+ GstSinkClass parent_class;
+};
+
+GtkType gst_fdsink_get_type(void);
+GstElement *gst_fdsink_new(gchar *name);
+GstElement *gst_fdsink_new_with_fd(gchar *name,gint fd);
+void gst_fdsink_chain(GstPad *pad,GstBuffer *buf);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FDSINK_H__ */
diff --git a/gst/elements/gstfdsrc.c b/gst/elements/gstfdsrc.c
new file mode 100644
index 0000000000..f24c06e2c4
--- /dev/null
+++ b/gst/elements/gstfdsrc.c
@@ -0,0 +1,206 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <gstfdsrc.h>
+
+
+GstElementDetails gst_fdsrc_details = {
+ "Disk Source",
+ "Source/File",
+ "Synchronous read from a file",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* FdSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LOCATION,
+ ARG_BYTESPERREAD,
+ ARG_OFFSET,
+};
+
+
+static void gst_fdsrc_class_init(GstFdSrcClass *klass);
+static void gst_fdsrc_init(GstFdSrc *fdsrc);
+static void gst_fdsrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_fdsrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+static void gst_fdsrc_push(GstSrc *src);
+static void gst_fdsrc_push_region(GstSrc *src,gulong offset,gulong size);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_fdsrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_fdsrc_get_type(void) {
+ static GtkType fdsrc_type = 0;
+
+ if (!fdsrc_type) {
+ static const GtkTypeInfo fdsrc_info = {
+ "GstFdSrc",
+ sizeof(GstFdSrc),
+ sizeof(GstFdSrcClass),
+ (GtkClassInitFunc)gst_fdsrc_class_init,
+ (GtkObjectInitFunc)gst_fdsrc_init,
+ (GtkArgSetFunc)gst_fdsrc_set_arg,
+ (GtkArgGetFunc)gst_fdsrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ fdsrc_type = gtk_type_unique(GST_TYPE_SRC,&fdsrc_info);
+ }
+ return fdsrc_type;
+}
+
+static void
+gst_fdsrc_class_init(GstFdSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gtk_object_add_arg_type("GstFdSrc::location", GTK_TYPE_STRING,
+ GTK_ARG_WRITABLE, ARG_LOCATION);
+ gtk_object_add_arg_type("GstFdSrc::bytesperread", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_BYTESPERREAD);
+ gtk_object_add_arg_type("GstFdSrc::offset", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_OFFSET);
+
+ gtkobject_class->set_arg = gst_fdsrc_set_arg;
+ gtkobject_class->get_arg = gst_fdsrc_get_arg;
+
+ gstsrc_class->push = gst_fdsrc_push;
+ /* we nominally can't (won't) do async */
+ gstsrc_class->push_region = NULL;
+}
+
+static void gst_fdsrc_init(GstFdSrc *fdsrc) {
+ fdsrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(fdsrc),fdsrc->srcpad);
+
+ fdsrc->fd = 0;
+ fdsrc->curoffset = 0;
+ fdsrc->bytes_per_read = 4096;
+ fdsrc->seq = 0;
+}
+
+
+static void gst_fdsrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstFdSrc *src;
+ int fd;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_FDSRC(object));
+ src = GST_FDSRC(object);
+
+ switch(id) {
+ case ARG_LOCATION:
+ /* the element must be stopped in order to do this */
+ g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING));
+
+ /* if we get a NULL, consider it to be a fd of 0 */
+ if (GTK_VALUE_STRING(*arg) == NULL) {
+ src->fd = 0;
+ gst_element_set_state(GST_ELEMENT(object),~GST_STATE_COMPLETE);
+ /* otherwise set the new filename */
+ } else {
+ if (sscanf(GTK_VALUE_STRING(*arg),"%d",&fd))
+ src->fd = fd;
+ gst_element_set_state(GST_ELEMENT(object),GST_STATE_COMPLETE);
+ }
+ break;
+ case ARG_BYTESPERREAD:
+ src->bytes_per_read = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_fdsrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstFdSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_FDSRC(object));
+ src = GST_FDSRC(object);
+
+ switch (id) {
+ case ARG_BYTESPERREAD:
+ GTK_VALUE_INT(*arg) = src->bytes_per_read;
+ break;
+ case ARG_OFFSET:
+ GTK_VALUE_INT(*arg) = src->curoffset;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+void gst_fdsrc_push(GstSrc *src) {
+ GstFdSrc *fdsrc;
+ GstBuffer *buf;
+ glong readbytes;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_FDSRC(src));
+ fdsrc = GST_FDSRC(src);
+
+ /* create the buffer */
+ // FIXME: should eventually use a bufferpool for this
+ buf = gst_buffer_new();
+ g_return_if_fail(buf);
+
+ /* allocate the space for the buffer data */
+ GST_BUFFER_DATA(buf) = g_malloc(fdsrc->bytes_per_read);
+ g_return_if_fail(GST_BUFFER_DATA(buf) != NULL);
+
+ /* read it in from the file */
+ readbytes = read(fdsrc->fd,GST_BUFFER_DATA(buf),fdsrc->bytes_per_read);
+ if (readbytes == 0) {
+ gst_src_signal_eos(GST_SRC(fdsrc));
+ return;
+ }
+
+ /* if we didn't get as many bytes as we asked for, we're at EOF */
+ if (readbytes < fdsrc->bytes_per_read) {
+ // FIXME: set the buffer's EOF bit here
+ }
+ GST_BUFFER_OFFSET(buf) = fdsrc->curoffset;
+ GST_BUFFER_SIZE(buf) = readbytes;
+ fdsrc->curoffset += readbytes;
+
+ /* we're done, push the buffer off now */
+ gst_pad_push(fdsrc->srcpad,buf);
+}
diff --git a/gst/elements/gstfdsrc.h b/gst/elements/gstfdsrc.h
new file mode 100644
index 0000000000..1b85e065fb
--- /dev/null
+++ b/gst/elements/gstfdsrc.h
@@ -0,0 +1,77 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_FDSRC_H__
+#define __GST_FDSRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_fdsrc_details;
+
+
+#define GST_TYPE_FDSRC \
+ (gst_fdsrc_get_type())
+#define GST_FDSRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_FDSRC,GstFdSrc))
+#define GST_FDSRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FDSRC,GstFdSrcClass))
+#define GST_IS_FDSRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_FDSRC))
+#define GST_IS_FDSRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FDSRC)))
+
+
+typedef struct _GstFdSrc GstFdSrc;
+typedef struct _GstFdSrcClass GstFdSrcClass;
+
+struct _GstFdSrc {
+ GstSrc src;
+ /* pads */
+ GstPad *srcpad;
+
+ /* fd */
+ gint fd;
+
+ gulong curoffset; /* current offset in file */
+ gulong bytes_per_read; /* bytes per read */
+
+ gulong seq; /* buffer sequence number */
+};
+
+struct _GstFdSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_fdsrc_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FDSRC_H__ */
diff --git a/gst/elements/gsthttpsrc.c b/gst/elements/gsthttpsrc.c
new file mode 100644
index 0000000000..3b378ed620
--- /dev/null
+++ b/gst/elements/gsthttpsrc.c
@@ -0,0 +1,258 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <gsthttpsrc.h>
+
+
+GstElementDetails gst_httpsrc_details = {
+ "HTTP Source",
+ "Source/Network",
+ "Read data from an HTTP stream",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+static void gst_httpsrc_push(GstSrc *src);
+static gboolean gst_httpsrc_open_url(GstHttpSrc *src);
+static void gst_httpsrc_close_url(GstHttpSrc *src);
+static gboolean gst_httpsrc_change_state(GstElement *element,
+ GstElementState state);
+
+
+/* HttpSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LOCATION,
+ ARG_BYTESPERREAD,
+ ARG_OFFSET
+};
+
+
+static void gst_httpsrc_class_init(GstHttpSrcClass *klass);
+static void gst_httpsrc_init(GstHttpSrc *httpsrc);
+static void gst_httpsrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_httpsrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_httpsrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_httpsrc_get_type(void) {
+ static GtkType httpsrc_type = 0;
+
+ if (!httpsrc_type) {
+ static const GtkTypeInfo httpsrc_info = {
+ "GstHttpSrc",
+ sizeof(GstHttpSrc),
+ sizeof(GstHttpSrcClass),
+ (GtkClassInitFunc)gst_httpsrc_class_init,
+ (GtkObjectInitFunc)gst_httpsrc_init,
+ (GtkArgSetFunc)gst_httpsrc_set_arg,
+ (GtkArgGetFunc)gst_httpsrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ httpsrc_type = gtk_type_unique(GST_TYPE_SRC,&httpsrc_info);
+ }
+ return httpsrc_type;
+}
+
+static void
+gst_httpsrc_class_init(GstHttpSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+
+ gtk_object_add_arg_type("GstHttpSrc::location", GTK_TYPE_STRING,
+ GTK_ARG_READWRITE, ARG_LOCATION);
+ gtk_object_add_arg_type("GstHttpSrc::bytesperread", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_BYTESPERREAD);
+
+ gtkobject_class->set_arg = gst_httpsrc_set_arg;
+ gtkobject_class->get_arg = gst_httpsrc_get_arg;
+
+ gstelement_class->change_state = gst_httpsrc_change_state;
+
+ gstsrc_class->push = gst_httpsrc_push;
+ gstsrc_class->push_region = NULL;
+}
+
+static void gst_httpsrc_init(GstHttpSrc *httpsrc) {
+ httpsrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(httpsrc),httpsrc->srcpad);
+
+ httpsrc->url = NULL;
+ httpsrc->request = NULL;
+ httpsrc->fd = 0;
+ httpsrc->curoffset = 0;
+ httpsrc->bytes_per_read = 4096;
+}
+
+static void gst_httpsrc_push(GstSrc *src) {
+ GstHttpSrc *httpsrc;
+ GstBuffer *buf;
+ glong readbytes;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_HTTPSRC(src));
+// g_return_if_fail(GST_FLAG_IS_SET(src,GST_));
+ httpsrc = GST_HTTPSRC(src);
+
+ buf = gst_buffer_new();
+ GST_BUFFER_DATA(buf) = (gpointer)malloc(httpsrc->bytes_per_read);
+ readbytes = read(httpsrc->fd,GST_BUFFER_DATA(buf),httpsrc->bytes_per_read);
+ if (readbytes == 0) {
+ gst_src_signal_eos(GST_SRC(httpsrc));
+ return;
+ }
+
+ if (readbytes < httpsrc->bytes_per_read) {
+ // FIXME: set the buffer's EOF bit here
+ }
+ GST_BUFFER_OFFSET(buf) = httpsrc->curoffset;
+ GST_BUFFER_SIZE(buf) = readbytes;
+ httpsrc->curoffset += readbytes;
+
+ gst_pad_push(httpsrc->srcpad,buf);
+}
+
+static gboolean gst_httpsrc_open_url(GstHttpSrc *httpsrc) {
+ gint status;
+
+ g_return_if_fail(httpsrc != NULL);
+ g_return_if_fail(GST_IS_HTTPSRC(httpsrc));
+ g_return_if_fail(httpsrc->url != NULL);
+
+ httpsrc->request = ghttp_request_new();
+ ghttp_set_uri(httpsrc->request,httpsrc->url);
+ ghttp_set_sync(httpsrc->request,ghttp_async);
+ ghttp_set_header(httpsrc->request,"User-Agent","GstHttpSrc");
+ ghttp_prepare(httpsrc->request);
+
+ /* process everything up to the actual data stream */
+ /* FIXME: should be in preroll, but hey */
+ status = 0;
+ while ((ghttp_get_status(httpsrc->request).proc != ghttp_proc_response)
+ && (status >= 0)) {
+ status = ghttp_process(httpsrc->request);
+ }
+
+ /* get the fd so we can read data ourselves */
+ httpsrc->fd = ghttp_get_socket(httpsrc->request);
+ return TRUE;
+}
+
+/* unmap and close the file */
+static void gst_httpsrc_close_url(GstHttpSrc *src) {
+ g_return_if_fail(src->fd > 0);
+
+ close(src->fd);
+ src->fd = 0;
+}
+
+static void gst_httpsrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstHttpSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_HTTPSRC(object));
+ src = GST_HTTPSRC(object);
+
+ switch(id) {
+ case ARG_LOCATION:
+ /* the element must be stopped in order to do this */
+ g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING));
+
+ if (src->url) g_free(src->url);
+ /* clear the url if we get a NULL (is that possible?) */
+ if (GTK_VALUE_STRING(*arg) == NULL) {
+ src->url = NULL;
+ gst_element_set_state(GST_ELEMENT(object),~GST_STATE_COMPLETE);
+ /* otherwise set the new url */
+ } else {
+ src->url = g_strdup(GTK_VALUE_STRING(*arg));
+ gst_element_set_state(GST_ELEMENT(object),GST_STATE_COMPLETE);
+ }
+ break;
+ case ARG_BYTESPERREAD:
+ src->bytes_per_read = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_httpsrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstHttpSrc *httpsrc;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_HTTPSRC(object));
+ httpsrc = GST_HTTPSRC(object);
+
+ switch (id) {
+ case ARG_LOCATION:
+ GTK_VALUE_STRING(*arg) = httpsrc->url;
+ break;
+ case ARG_BYTESPERREAD:
+ GTK_VALUE_INT(*arg) = httpsrc->bytes_per_read;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+static gboolean gst_httpsrc_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_HTTPSRC(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_httpsrc_open_url(GST_HTTPSRC(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_httpsrc_close_url(GST_HTTPSRC(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+
diff --git a/gst/elements/gsthttpsrc.h b/gst/elements/gsthttpsrc.h
new file mode 100644
index 0000000000..ae55f293f2
--- /dev/null
+++ b/gst/elements/gsthttpsrc.h
@@ -0,0 +1,77 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_HTTPSRC_H__
+#define __GST_HTTPSRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+#include <ghttp.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_httpsrc_details;
+
+
+#define GST_TYPE_HTTPSRC \
+ (gst_httpsrc_get_type())
+#define GST_HTTPSRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_HTTPSRC,GstHttpSrc))
+#define GST_HTTPSRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_HTTPSRC,GstHttpSrcClass))
+#define GST_IS_HTTPSRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_HTTPSRC))
+#define GST_IS_HTTPSRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_HTTPSRC)))
+
+typedef struct _GstHttpSrc GstHttpSrc;
+typedef struct _GstHttpSrcClass GstHttpSrcClass;
+
+struct _GstHttpSrc {
+ GstSrc src;
+ /* pads */
+ GstPad *srcpad;
+
+ gchar *url;
+ ghttp_request *request;
+ int fd;
+
+ gulong curoffset; /* current offset in file */
+ gulong bytes_per_read; /* bytes per read */
+};
+
+struct _GstHttpSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_httpsrc_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_HTTPSRC_H__ */
diff --git a/gst/elements/gstidentity.c b/gst/elements/gstidentity.c
new file mode 100644
index 0000000000..4896f5de88
--- /dev/null
+++ b/gst/elements/gstidentity.c
@@ -0,0 +1,152 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gstidentity.h>
+
+
+GstElementDetails gst_identity_details = {
+ "Identity",
+ "Filter",
+ "Pass data without modification",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* Identity signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_CONTROL
+};
+
+
+static void gst_identity_class_init(GstIdentityClass *klass);
+static void gst_identity_init(GstIdentity *identity);
+static void gst_identity_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_identity_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+
+static GstFilterClass *parent_class = NULL;
+static guint gst_identity_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_identity_get_type(void) {
+ static GtkType identity_type = 0;
+
+ if (!identity_type) {
+ static const GtkTypeInfo identity_info = {
+ "GstIdentity",
+ sizeof(GstIdentity),
+ sizeof(GstIdentityClass),
+ (GtkClassInitFunc)gst_identity_class_init,
+ (GtkObjectInitFunc)gst_identity_init,
+ (GtkArgSetFunc)gst_identity_set_arg,
+ (GtkArgGetFunc)gst_identity_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ identity_type = gtk_type_unique(GST_TYPE_FILTER,&identity_info);
+ }
+ return identity_type;
+}
+
+static void gst_identity_class_init(GstIdentityClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstFilterClass *gstfilter_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstfilter_class = (GstFilterClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_FILTER);
+
+ gtk_object_add_arg_type("GstIdentity::control", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_CONTROL);
+
+ gtkobject_class->set_arg = gst_identity_set_arg;
+ gtkobject_class->get_arg = gst_identity_get_arg;
+}
+
+static void gst_identity_init(GstIdentity *identity) {
+ identity->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(identity),identity->sinkpad);
+ gst_pad_set_chain_function(identity->sinkpad,gst_identity_chain);
+ identity->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(identity),identity->srcpad);
+
+ identity->control = 0;
+}
+
+GstElement *gst_identity_new(gchar *name) {
+ GstElement *identity = GST_ELEMENT(gtk_type_new(GST_TYPE_IDENTITY));
+ gst_element_set_name(GST_ELEMENT(identity),name);
+ return identity;
+}
+
+void gst_identity_chain(GstPad *pad,GstBuffer *buf) {
+ GstIdentity *identity;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ identity = GST_IDENTITY(pad->parent);
+// g_print("gst_identity_chain: got buffer in '%s'\n",
+// gst_element_get_name(GST_ELEMENT(identity)));
+ g_print("i");
+ gst_pad_push(identity->srcpad,buf);
+}
+
+static void gst_identity_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstIdentity *identity;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_IDENTITY(object));
+ identity = GST_IDENTITY(object);
+
+ switch(id) {
+ case ARG_CONTROL:
+ identity->control = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_identity_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstIdentity *identity;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_IDENTITY(object));
+ identity = GST_IDENTITY(object);
+
+ switch (id) {
+ case ARG_CONTROL:
+ GTK_VALUE_INT(*arg) = identity->control;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
diff --git a/gst/elements/gstidentity.h b/gst/elements/gstidentity.h
new file mode 100644
index 0000000000..f186a49847
--- /dev/null
+++ b/gst/elements/gstidentity.h
@@ -0,0 +1,74 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_IDENTITY_H__
+#define __GST_IDENTITY_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_identity_details;
+
+
+#define GST_TYPE_IDENTITY \
+ (gst_identity_get_type())
+#define GST_IDENTITY(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_IDENTITY,GstIdentity))
+#define GST_IDENTITY_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_IDENTITY,GstIdentityClass))
+#define GST_IS_IDENTITY(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_IDENTITY))
+#define GST_IS_IDENTITY_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_IDENTITY)))
+
+typedef struct _GstIdentity GstIdentity;
+typedef struct _GstIdentityClass GstIdentityClass;
+
+struct _GstIdentity {
+ GstFilter filter;
+
+ GstPad *sinkpad;
+ GstPad *srcpad;
+
+ gint control;
+};
+
+struct _GstIdentityClass {
+ GstFilterClass parent_class;
+};
+
+GtkType gst_identity_get_type(void);
+GstElement *gst_identity_new(gchar *name);
+void gst_identity_chain(GstPad *pad,GstBuffer *buf);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_IDENTITY_H__ */
diff --git a/gst/elements/gstqueue.c b/gst/elements/gstqueue.c
new file mode 100644
index 0000000000..2abf235a0d
--- /dev/null
+++ b/gst/elements/gstqueue.c
@@ -0,0 +1,216 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gstqueue.h>
+
+
+GstElementDetails gst_queue_details = {
+ "Queue",
+ "Connection",
+ "Simple data queue",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* Queue signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_LEVEL,
+};
+
+
+static void gst_queue_class_init(GstQueueClass *klass);
+static void gst_queue_init(GstQueue *queue);
+static void gst_queue_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_queue_get_arg(GtkObject *object,GtkArg *arg,guint id);
+
+
+static GstConnectionClass *parent_class = NULL;
+static guint gst_queue_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_queue_get_type(void) {
+ static GtkType queue_type = 0;
+
+ if (!queue_type) {
+ static const GtkTypeInfo queue_info = {
+ "GstQueue",
+ sizeof(GstQueue),
+ sizeof(GstQueueClass),
+ (GtkClassInitFunc)gst_queue_class_init,
+ (GtkObjectInitFunc)gst_queue_init,
+ (GtkArgSetFunc)gst_queue_set_arg,
+ (GtkArgGetFunc)gst_queue_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ queue_type = gtk_type_unique(GST_TYPE_CONNECTION,&queue_info);
+ }
+ return queue_type;
+}
+
+static void gst_queue_class_init(GstQueueClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstConnectionClass *gstconnection_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstconnection_class = (GstConnectionClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_CONNECTION);
+
+ gtk_object_add_arg_type("GstQueue::level", GTK_TYPE_INT,
+ GTK_ARG_READABLE, ARG_LEVEL);
+
+ gstconnection_class->push = gst_queue_push;
+
+ gtkobject_class->set_arg = gst_queue_set_arg;
+ gtkobject_class->get_arg = gst_queue_get_arg;
+}
+
+static void gst_queue_init(GstQueue *queue) {
+ queue->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(queue),queue->sinkpad);
+ gst_pad_set_chain_function(queue->sinkpad,gst_queue_chain);
+ queue->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(queue),queue->srcpad);
+
+ queue->queue = NULL;
+ queue->tail = NULL;
+ queue->level_buffers = 0;
+ queue->level_bytes = 0;
+ queue->size_buffers = 0;
+ queue->size_bytes = 0;
+
+ queue->waiterlock = g_mutex_new();
+ queue->waitercond = g_cond_new();
+}
+
+GstElement *gst_queue_new(gchar *name) {
+ GstElement *queue = GST_ELEMENT(gtk_type_new(GST_TYPE_QUEUE));
+ gst_element_set_name(GST_ELEMENT(queue),name);
+ return queue;
+}
+
+void gst_queue_chain(GstPad *pad,GstBuffer *buf) {
+ GstQueue *queue;
+ gboolean tosignal = FALSE;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ queue = GST_QUEUE(pad->parent);
+
+ /* we have to lock the queue since we span threads */
+ GST_LOCK(queue);
+
+ /* put the buffer on the head of the list */
+ /* if the queue is NULL, start a new list and make this the tail */
+ if (!queue->queue) {
+ queue->queue = g_list_prepend(queue->queue,buf);
+// queue->tail = queue->queue;
+ /* otherwise append to the end of the list */
+ } else {
+// queue->tail = g_list_append(queue->tail,buf);
+// queue->tail = g_list_next(queue->tail);
+ queue->queue = g_list_append(queue->queue,buf);
+ }
+// g_print("+");
+
+ /* if we were empty, but aren't any more, signal a condition */
+ tosignal = (queue->level_buffers++ == 0);
+
+ /* we can unlock now */
+ GST_UNLOCK(queue);
+
+ if (tosignal) {
+ g_mutex_lock(queue->waiterlock);
+ g_cond_signal(queue->waitercond);
+ g_mutex_unlock(queue->waiterlock);
+// g_print(">");
+ }
+}
+
+void gst_queue_push(GstConnection *connection) {
+ GstQueue *queue = GST_QUEUE(connection);
+ GstBuffer *buf = NULL;
+ GList *front;
+
+ /* have to lock for thread-safety */
+ GST_LOCK(queue);
+
+ if (!queue->level_buffers) {
+ GST_UNLOCK(queue);
+ while (!queue->level_buffers) {
+ g_mutex_lock(queue->waiterlock);
+// g_print("0");
+ g_cond_wait(queue->waitercond,queue->waiterlock);
+ g_mutex_unlock(queue->waiterlock);
+ }
+ GST_LOCK(queue);
+ }
+
+ front = queue->queue;
+ buf = (GstBuffer *)(front->data);
+ queue->queue = g_list_remove_link(queue->queue,front);
+ gst_pad_push(queue->srcpad,buf);
+ queue->level_buffers--;
+// g_print("-");
+
+ /* unlock now */
+ GST_UNLOCK(queue);
+}
+
+
+static void gst_queue_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstQueue *queue;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_QUEUE(object));
+ queue = GST_QUEUE(object);
+
+ switch(id) {
+ default:
+ break;
+ }
+}
+
+static void gst_queue_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstQueue *queue;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_QUEUE(object));
+ queue = GST_QUEUE(object);
+
+ switch (id) {
+ case ARG_LEVEL:
+ GTK_VALUE_INT(*arg) = queue->level_buffers;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
diff --git a/gst/elements/gstqueue.h b/gst/elements/gstqueue.h
new file mode 100644
index 0000000000..5ce8d6f57b
--- /dev/null
+++ b/gst/elements/gstqueue.h
@@ -0,0 +1,84 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_QUEUE_H__
+#define __GST_QUEUE_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_queue_details;
+
+
+#define GST_TYPE_QUEUE \
+ (gst_queue_get_type())
+#define GST_QUEUE(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_QUEUE,GstQueue))
+#define GST_QUEUE_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_QUEUE,GstQueueClass))
+#define GST_IS_QUEUE(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_QUEUE))
+#define GST_IS_QUEUE_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_QUEUE)))
+
+typedef struct _GstQueue GstQueue;
+typedef struct _GstQueueClass GstQueueClass;
+
+struct _GstQueue {
+ GstConnection Connection;
+
+ GstPad *sinkpad;
+ GstPad *srcpad;
+
+ /* the queue of buffers we're keeping our grubby hands on */
+ GList *queue;
+ GList *tail; /* have to keep track of this myself */
+
+ gint level_buffers; /* number of buffers queued here */
+ gint level_bytes; /* number of bytes queued here */
+ gint size_buffers; /* size of queue in buffers */
+ gint size_bytes; /* size of queue in bytes */
+
+ GMutex *waiterlock; /* used when the queue is empty */
+ GCond *waitercond;
+};
+
+struct _GstQueueClass {
+ GstConnectionClass parent_class;
+};
+
+GtkType gst_queue_get_type(void);
+GstElement *gst_queue_new(gchar *name);
+void gst_queue_chain(GstPad *pad,GstBuffer *buf);
+void gst_queue_push(GstConnection *connection);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_QUEUE_H__ */
diff --git a/gst/elements/gstsinesrc.c b/gst/elements/gstsinesrc.c
new file mode 100644
index 0000000000..ede6f38edb
--- /dev/null
+++ b/gst/elements/gstsinesrc.c
@@ -0,0 +1,269 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/soundcard.h>
+#include <math.h>
+
+#include <gstsinesrc.h>
+
+
+GstElementDetails gst_sinesrc_details = {
+ "Sine-wave src",
+ "Source/Audio",
+ "Create a sine wave of a given frequency and volume",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* SineSrc signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_VOLUME,
+ ARG_FREQ,
+ ARG_FORMAT,
+ ARG_CHANNELS,
+ ARG_FREQUENCY,
+};
+
+
+static void gst_sinesrc_class_init(GstSineSrcClass *klass);
+static void gst_sinesrc_init(GstSineSrc *sinesrc);
+static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id);
+//static gboolean gst_sinesrc_change_state(GstElement *element,
+// GstElementState state);
+static void gst_sinesrc_close_audio(GstSineSrc *src);
+static gboolean gst_sinesrc_open_audio(GstSineSrc *src);
+void gst_sinesrc_sync_parms(GstSineSrc *sinesrc);
+
+
+static GstSrcClass *parent_class = NULL;
+static guint gst_sinesrc_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_sinesrc_get_type(void) {
+ static GtkType sinesrc_type = 0;
+
+ if (!sinesrc_type) {
+ static const GtkTypeInfo sinesrc_info = {
+ "GstSineSrc",
+ sizeof(GstSineSrc),
+ sizeof(GstSineSrcClass),
+ (GtkClassInitFunc)gst_sinesrc_class_init,
+ (GtkObjectInitFunc)gst_sinesrc_init,
+ (GtkArgSetFunc)gst_sinesrc_set_arg,
+ (GtkArgGetFunc)gst_sinesrc_get_arg,
+ (GtkClassInitFunc)NULL,
+ };
+ sinesrc_type = gtk_type_unique(GST_TYPE_SRC,&sinesrc_info);
+ }
+ return sinesrc_type;
+}
+
+static void
+gst_sinesrc_class_init(GstSineSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+ GstSrcClass *gstsrc_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+ gstsrc_class = (GstSrcClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_SRC);
+
+ gtk_object_add_arg_type("GstSineSrc::volume", GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE, ARG_VOLUME);
+ gtk_object_add_arg_type("GstSineSrc::freq", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FREQ);
+ gtk_object_add_arg_type("GstSineSrc::format", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FORMAT);
+ gtk_object_add_arg_type("GstSineSrc::channels", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_CHANNELS);
+ gtk_object_add_arg_type("GstSineSrc::frequency", GTK_TYPE_INT,
+ GTK_ARG_READWRITE, ARG_FREQUENCY);
+
+ gtkobject_class->set_arg = gst_sinesrc_set_arg;
+ gtkobject_class->get_arg = gst_sinesrc_get_arg;
+
+// gstelement_class->change_state = gst_sinesrc_change_state;
+
+ gstsrc_class->push = gst_sinesrc_push;
+}
+
+static void gst_sinesrc_init(GstSineSrc *sinesrc) {
+ sinesrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(sinesrc),sinesrc->srcpad);
+
+ sinesrc->volume = 1.0;
+ sinesrc->freq = 512;
+
+ sinesrc->format = AFMT_S16_LE;
+ sinesrc->channels = 2;
+ sinesrc->frequency = 44100;
+
+ sinesrc->seq = 0;
+
+ sinesrc->sentmeta = FALSE;
+}
+
+GstElement *gst_sinesrc_new(gchar *name) {
+ GstElement *sinesrc = GST_ELEMENT(gtk_type_new(GST_TYPE_SINESRC));
+ gst_element_set_name(GST_ELEMENT(sinesrc),name);
+ return sinesrc;
+}
+
+GstElement *gst_sinesrc_new_with_fd(gchar *name,gchar *filename) {
+ GstElement *sinesrc = gst_sinesrc_new(name);
+ gtk_object_set(GTK_OBJECT(sinesrc),"location",filename,NULL);
+ return sinesrc;
+}
+
+void gst_sinesrc_push(GstSrc *src) {
+ GstSineSrc *sinesrc;
+ GstBuffer *buf;
+ gint16 *samples;
+ gint i;
+ gint volume;
+ gdouble val;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_SINESRC(src));
+ sinesrc = GST_SINESRC(src);
+
+ buf = gst_buffer_new();
+ g_return_if_fail(buf);
+ GST_BUFFER_DATA(buf) = (gpointer)malloc(4096);
+ samples = (gint16*)GST_BUFFER_DATA(buf);
+ GST_BUFFER_DATA(buf) = 4096;
+
+ volume = 65535 * sinesrc->volume;
+ for (i=0;i<1024;i++) {
+ val = sin((gdouble)i/sinesrc->frequency);
+ samples[i] = val * volume;
+ samples[i+1] = samples[i];
+ }
+
+ if (!sinesrc->sentmeta) {
+ MetaAudioRaw *newmeta = g_new(MetaAudioRaw,1);
+ memcpy(newmeta,&sinesrc->meta,sizeof(MetaAudioRaw));
+ gst_buffer_add_meta(buf,GST_META(newmeta));
+ sinesrc->sentmeta = TRUE;
+ }
+
+ gst_pad_push(sinesrc->srcpad,buf);
+ g_print(">");
+}
+
+static void gst_sinesrc_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstSineSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_SINESRC(object));
+ src = GST_SINESRC(object);
+
+ switch (id) {
+ case ARG_VOLUME:
+ src->volume = GTK_VALUE_DOUBLE(*arg);
+ break;
+ case ARG_FREQ:
+ src->freq = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_FORMAT:
+ src->format = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_CHANNELS:
+ src->channels = GTK_VALUE_INT(*arg);
+ break;
+ case ARG_FREQUENCY:
+ src->frequency = GTK_VALUE_INT(*arg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_sinesrc_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ GstSineSrc *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_SINESRC(object));
+ src = GST_SINESRC(object);
+
+ switch (id) {
+ case ARG_VOLUME:
+ GTK_VALUE_DOUBLE(*arg) = src->volume;
+ break;
+ case ARG_FREQ:
+ GTK_VALUE_INT(*arg) = src->freq;
+ break;
+ case ARG_FORMAT:
+ GTK_VALUE_INT(*arg) = src->format;
+ break;
+ case ARG_CHANNELS:
+ GTK_VALUE_INT(*arg) = src->channels;
+ break;
+ case ARG_FREQUENCY:
+ GTK_VALUE_INT(*arg) = src->frequency;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+/*
+static gboolean gst_sinesrc_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(GST_IS_SINESRC(element));
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!gst_sinesrc_open_audio(GST_SINESRC(element)))
+ return FALSE;
+ break;
+ case ~GST_STATE_RUNNING:
+ gst_sinesrc_close_audio(GST_SINESRC(element));
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+*/
+
+void gst_sinesrc_sync_parms(GstSineSrc *sinesrc) {
+ sinesrc->meta.format = sinesrc->format;
+ sinesrc->meta.channels = sinesrc->channels;
+ sinesrc->meta.frequency = sinesrc->frequency;
+ sinesrc->sentmeta = FALSE;
+}
diff --git a/gst/elements/gstsinesrc.h b/gst/elements/gstsinesrc.h
new file mode 100644
index 0000000000..9964ff553f
--- /dev/null
+++ b/gst/elements/gstsinesrc.h
@@ -0,0 +1,87 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SINESRC_H__
+#define __GST_SINESRC_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+#include <gst/meta/audioraw.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+GstElementDetails gst_sinesrc_details;
+
+
+#define GST_TYPE_SINESRC \
+ (gst_sinesrc_get_type())
+#define GST_SINESRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_SINESRC,GstSineSrc))
+#define GST_SINESRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_SINESRC,GstSineSrcClass))
+#define GST_IS_SINESRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_SINESRC))
+#define GST_IS_SINESRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_SINESRC)))
+
+typedef struct _GstSineSrc GstSineSrc;
+typedef struct _GstSineSrcClass GstSineSrcClass;
+
+struct _GstSineSrc {
+ GstSrc src;
+
+ /* pads */
+ GstPad *srcpad;
+
+ /* parameters */
+ gdouble volume;
+ gint freq;
+
+ /* audio parameters */
+ gint format;
+ gint channels;
+ gint frequency;
+
+ gulong seq;
+
+ MetaAudioRaw meta;
+ gboolean sentmeta;
+};
+
+struct _GstSineSrcClass {
+ GstSrcClass parent_class;
+};
+
+GtkType gst_sinesrc_get_type(void);
+GstElement *gst_sinesrc_new(gchar *name);
+
+void gst_sinesrc_push(GstSrc *src);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_SINESRC_H__ */
diff --git a/gst/gst.c b/gst/gst.c
new file mode 100644
index 0000000000..3872136da9
--- /dev/null
+++ b/gst/gst.c
@@ -0,0 +1,60 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+extern gint _gst_trace_on;
+
+/**
+ * gst_init:
+ * @argc: pointer to application's argc
+ * @argv: pointer to application's argv
+ *
+ * Initializes the GStreamer system, setting up internal lists and loading
+ * standard plugins.
+ */
+void gst_init(int *argc,char **argv[]) {
+ GstTrace *gst_trace;
+ GstElementFactory *factory;
+
+ gtk_init(argc,argv);
+
+ if (!g_thread_supported()) g_thread_init (NULL);
+
+ _gst_type_initialize();
+ _gst_plugin_initialize();
+ _gst_buffer_initialize();
+
+ /* register some standard builtin types */
+ gst_elementfactory_register(gst_elementfactory_new(
+ "bin",gst_bin_get_type(),&gst_bin_details));
+ gst_elementfactory_register(gst_elementfactory_new(
+ "pipeline",gst_pipeline_get_type(),&gst_pipeline_details));
+ gst_elementfactory_register(gst_elementfactory_new(
+ "thread",gst_thread_get_type(),&gst_thread_details));
+
+ gst_plugin_load("libgsttypes.so");
+ gst_plugin_load("libgstelements.so");
+
+ _gst_trace_on = 0;
+ if (_gst_trace_on) {
+ gst_trace = gst_trace_new("gst.trace",1024);
+ gst_trace_set_default(gst_trace);
+ }
+}
diff --git a/gst/gst.h b/gst/gst.h
new file mode 100644
index 0000000000..d2e9669b3e
--- /dev/null
+++ b/gst/gst.h
@@ -0,0 +1,60 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_H__
+#define __GST_H__
+
+#include <gtk/gtk.h>
+
+#include <gst/gstlog.h>
+
+#include <gst/gstobject.h>
+#include <gst/gstpad.h>
+#include <gst/gstbuffer.h>
+#include <gst/gstelement.h>
+
+#include <gst/gstbin.h>
+#include <gst/gstpipeline.h>
+#include <gst/gstthread.h>
+#include <gst/gstsrc.h>
+#include <gst/gstfilter.h>
+#include <gst/gstsink.h>
+#include <gst/gstconnection.h>
+#include <gst/gsttype.h>
+#include <gst/gstplugin.h>
+#include <gst/gstutils.h>
+#include <gst/gsttrace.h>
+#include <gst/gstxml.h>
+
+#include <gst/gsttee.h>
+
+/* initialize GST */
+void gst_init(int *argc,char **argv[]);
+
+/* debugging */
+#ifndef DEBUG
+#ifdef DEBUG_ENABLED
+#define DEBUG(format,args...) g_print("DEBUG: " format, ##args)
+#else
+#define DEBUG(format,args...)
+#endif
+#endif
+
+#endif /* __GST_H__ */
diff --git a/gst/gstbin.c b/gst/gstbin.c
new file mode 100644
index 0000000000..0b7fe91bbd
--- /dev/null
+++ b/gst/gstbin.c
@@ -0,0 +1,449 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+GstElementDetails gst_bin_details = {
+ "Generic bin",
+ "Bin",
+ "Simple container object",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+void gst_bin_real_destroy(GtkObject *object);
+
+static gboolean gst_bin_change_state(GstElement *element,
+ GstElementState state);
+static gboolean gst_bin_change_state_type(GstBin *bin,
+ GstElementState state,
+ GtkType type);
+static gboolean gst_bin_change_state_norecurse(GstElement *element,
+ GstElementState state);
+
+static void gst_bin_create_plan_func(GstBin *bin);
+static void gst_bin_iterate_func(GstBin *bin);
+
+static xmlNodePtr gst_bin_save_thyself(GstElement *element,xmlNodePtr parent);
+
+/* Bin signals and args */
+enum {
+ OBJECT_ADDED,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_bin_class_init(GstBinClass *klass);
+static void gst_bin_init(GstBin *bin);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_bin_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_bin_get_type(void) {
+ static GtkType bin_type = 0;
+
+ if (!bin_type) {
+ static const GtkTypeInfo bin_info = {
+ "GstBin",
+ sizeof(GstBin),
+ sizeof(GstBinClass),
+ (GtkClassInitFunc)gst_bin_class_init,
+ (GtkObjectInitFunc)gst_bin_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ bin_type = gtk_type_unique(GST_TYPE_ELEMENT,&bin_info);
+ }
+ return bin_type;
+}
+
+static void
+gst_bin_class_init(GstBinClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstElementClass *gstelement_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+
+ gst_bin_signals[OBJECT_ADDED] =
+ gtk_signal_new("object_added",GTK_RUN_FIRST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstBinClass,object_added),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+ gtk_object_class_add_signals(gtkobject_class,gst_bin_signals,LAST_SIGNAL);
+
+ klass->change_state_type = gst_bin_change_state_type;
+ klass->create_plan = gst_bin_create_plan_func;
+ klass->iterate = gst_bin_iterate_func;
+
+ gstelement_class->change_state = gst_bin_change_state;
+ gstelement_class->save_thyself = gst_bin_save_thyself;
+
+ gtkobject_class->destroy = gst_bin_real_destroy;
+}
+
+static void gst_bin_init(GstBin *bin) {
+ bin->numchildren = 0;
+ bin->children = NULL;
+}
+
+/**
+ * gst_bin_new:
+ * @name: name of new bin
+ *
+ * Create a new bin with given name.
+ *
+ * Returns: new bin
+ */
+GstElement *gst_bin_new(gchar *name) {
+ GstElement *bin = GST_ELEMENT(gtk_type_new(GST_TYPE_BIN));
+ gst_element_set_name(GST_ELEMENT(bin),name);
+ return bin;
+}
+
+/**
+ * gst_bin_add:
+ * @bin: #GstBin to add element to
+ * @element: #GstElement to add to bin
+ *
+ * Add the given element to the bin. Set the elements parent, and thus
+ * add a reference.
+ */
+void gst_bin_add(GstBin *bin,GstElement *element) {
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+
+ bin->children = g_list_append(bin->children,element);
+ bin->numchildren++;
+ gst_object_set_parent(GST_OBJECT(element),GST_OBJECT(bin));
+
+ if (GST_STATE_IS_SET(element,GST_STATE_COMPLETE)) {
+ if (!GST_STATE_IS_SET(bin,GST_STATE_COMPLETE))
+ gst_bin_change_state_norecurse(GST_ELEMENT(bin),GST_STATE_COMPLETE);
+ } else
+ gst_bin_change_state_norecurse(GST_ELEMENT(bin),~GST_STATE_COMPLETE);
+
+ gtk_signal_emit(GTK_OBJECT(bin),gst_bin_signals[OBJECT_ADDED],element);
+}
+
+/**
+ * gst_bin_remove:
+ * @bin: #Gstbin to remove element from
+ * @element: #GstElement to remove
+ *
+ * Remove the element from its associated bin, unparenting as well.
+ */
+void gst_bin_remove(GstBin *bin,GstElement *element) {
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+ g_return_if_fail(bin->children != NULL);
+
+ gst_object_unparent(GST_OBJECT(element));
+ bin->children = g_list_remove(bin->children,element);
+ bin->numchildren--;
+}
+
+
+static gboolean gst_bin_change_state(GstElement *element,
+ GstElementState state) {
+ GstBin *bin;
+ GList *children;
+ GstElement *child;
+
+// g_print("gst_bin_change_state(\"%s\",%d);\n",
+// gst_object_get_name(GST_OBJECT(bin)),state);
+
+ g_return_if_fail(GST_IS_BIN(element));
+ bin = GST_BIN(element);
+ g_return_if_fail(bin->numchildren != 0);
+
+// g_print("-->\n");
+ children = bin->children;
+ while (children) {
+ child = GST_ELEMENT(children->data);
+// g_print("gst_bin_change_state setting state on \"%s\"\n",
+// gst_object_get_name(GST_OBJECT(child)));
+ if (!gst_element_set_state(child,state)) {
+ g_print("child %p failed to set state 0x%08x\n",child,state);
+ return FALSE;
+ }
+// g_print("\n");
+ children = g_list_next(children);
+ }
+// g_print("<-- \"%s\"\n",gst_object_get_name(GST_OBJECT(bin)));
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+
+
+static gboolean gst_bin_change_state_norecurse(GstElement *element,
+ GstElementState state) {
+ GstBin *bin;
+
+ g_return_if_fail(GST_IS_BIN(element));
+ bin = GST_BIN(element);
+ g_return_if_fail(bin->numchildren != 0);
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+
+static gboolean gst_bin_change_state_type(GstBin *bin,
+ GstElementState state,
+ GtkType type) {
+ GList *children;
+ GstElement *child;
+
+// g_print("gst_bin_change_state_type(\"%s\",%d,%d);\n",
+// gst_object_get_name(GST_OBJECT(bin)),state,type);
+
+ g_return_if_fail(GST_IS_BIN(bin));
+ g_return_if_fail(bin->numchildren != 0);
+
+// g_print("-->\n");
+ children = bin->children;
+ while (children) {
+ child = GST_ELEMENT(children->data);
+ if (GST_IS_BIN(child)) {
+ if (!gst_bin_set_state_type(GST_BIN(child),state,type))
+ return FALSE;
+ } else if (GTK_CHECK_TYPE(child,type)) {
+ if (!gst_element_set_state(child,state))
+ return FALSE;
+ }
+// g_print("\n");
+ children = g_list_next(children);
+ }
+// g_print("<-- \"%s\"\n",gst_object_get_name(GST_OBJECT(bin)));
+ if (type == GST_TYPE_BIN)
+ gst_element_change_state(GST_ELEMENT(bin),state);
+
+ return TRUE;
+}
+
+
+gboolean gst_bin_set_state_type(GstBin *bin,
+ GstElementState state,
+ GtkType type) {
+ GstBinClass *oclass;
+
+// g_print("gst_bin_set_state_type(\"%s\",%d,%d)\n",
+// gst_object_get_name(GST_OBJECT(bin)),state,type);
+
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+
+ oclass = GST_BIN_CLASS(GTK_OBJECT(bin)->klass);
+
+ if (oclass->change_state_type)
+ (oclass->change_state_type)(bin,state,type);
+}
+
+void gst_bin_real_destroy(GtkObject *object) {
+ GstBin *bin = GST_BIN(object);
+ GList *children;
+ GstElement *child;
+
+// g_print("in gst_bin_real_destroy()\n");
+
+ children = bin->children;
+ while (children) {
+ child = GST_ELEMENT(children->data);
+ gst_element_destroy(child);
+ children = g_list_next(children);
+ }
+
+ g_list_free(bin->children);
+}
+
+GstElement *gst_bin_get_by_name(GstBin *bin,gchar *name) {
+ GList *children;
+ GstElement *child;
+
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+ g_return_if_fail(name != NULL);
+
+ children = bin->children;
+ while (children) {
+ child = GST_ELEMENT(children->data);
+ if (!strcmp(child->name,name))
+ return child;
+ children = g_list_next(children);
+ }
+
+ return NULL;
+}
+
+GList *gst_bin_get_list(GstBin *bin) {
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+
+ return bin->children;
+}
+
+static xmlNodePtr gst_bin_save_thyself(GstElement *element,xmlNodePtr parent) {
+ GstBin *bin = GST_BIN(element);
+ xmlNodePtr childlist;
+ GList *children;
+ GstElement *child;
+
+ if (GST_ELEMENT_CLASS(parent_class)->save_thyself)
+ GST_ELEMENT_CLASS(parent_class)->save_thyself(GST_ELEMENT(bin),parent);
+
+ childlist = xmlNewChild(parent,NULL,"children",NULL);
+
+ children = bin->children;
+ while (children) {
+ child = GST_ELEMENT(children->data);
+ gst_element_save_thyself(child,childlist);
+ children = g_list_next(children);
+ }
+}
+
+void gst_bin_iterate(GstBin *bin) {
+ GstBinClass *oclass;
+
+ oclass = GST_BIN_CLASS(GTK_OBJECT(bin)->klass);
+
+ if (oclass->iterate)
+ (oclass->iterate)(bin);
+}
+
+void gst_bin_create_plan(GstBin *bin) {
+ GstBinClass *oclass;
+
+ oclass = GST_BIN_CLASS(GTK_OBJECT(bin)->klass);
+
+ if (oclass->create_plan)
+ (oclass->create_plan)(bin);
+}
+
+static void gst_bin_create_plan_func(GstBin *bin) {
+ GList *elements;
+ GstElement *element;
+ GList *pads;
+ GstPad *pad, *peer;
+ GstElement *outside;
+
+ bin->numentries = 0;
+
+ g_print("attempting to create a plan for bin %p\n",bin);
+
+ /* walk through all the elements to figure out all kinds of things */
+ elements = GST_BIN(bin)->children;
+ while (elements) {
+ element = GST_ELEMENT(elements->data);
+
+ // have to use cothreads if any elements use loop functions
+ if (element->loopfunc != NULL) {
+ if (bin->threadcontext == NULL) {
+ g_print("initializing cothread context\n");
+ bin->threadcontext = cothread_init();
+ }
+ if (element->threadstate == NULL) {
+ g_print("creating thread state for element\n");
+ element->threadstate = cothread_create(bin->threadcontext);
+ cothread_setfunc(element->threadstate,gst_element_loopfunc_wrapper,
+ 0,element);
+ }
+ }
+
+ /* we need to find all the entry points into the bin */
+ if (GST_IS_SRC(element)) {
+ g_print("element '%s' is a source entry point for the bin\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ bin->entries = g_list_prepend(bin->entries,element);
+ bin->numentries++;
+ } else {
+ /* go through the list of pads to see if there's a Connection */
+ pads = gst_element_get_pad_list(element);
+ while (pads) {
+ pad = GST_PAD(pads->data);
+ /* we only worry about sink pads */
+ if (gst_pad_get_direction(pad) == GST_PAD_SINK) {
+ /* get the pad's peer */
+ peer = gst_pad_get_peer(pad);
+ if (!peer) break;
+ /* get the parent of the peer of the pad */
+ outside = GST_ELEMENT(gst_pad_get_parent(peer));
+ if (!outside) break;
+ /* if it's a connection and it's not ours... */
+ if (GST_IS_CONNECTION(outside) &&
+ (gst_object_get_parent(GST_OBJECT(outside)) != GST_OBJECT(bin))) {
+ g_print("element '%s' is the external source Connection \
+for internal element '%s'\n",
+ gst_element_get_name(GST_ELEMENT(outside)),
+ gst_element_get_name(GST_ELEMENT(element)));
+ bin->entries = g_list_prepend(bin->entries,outside);
+ bin->numentries++;
+ }
+ }
+ pads = g_list_next(pads);
+ }
+ }
+ elements = g_list_next(elements);
+ }
+ g_print("have %d entries into bin\n",bin->numentries);
+}
+
+void gst_bin_iterate_func(GstBin *bin) {
+ GList *entries;
+ GstElement *entry;
+
+ g_return_if_fail(bin != NULL);
+ g_return_if_fail(GST_IS_BIN(bin));
+// g_return_if_fail(GST_FLAG_IS_SET(thread,GST_STATE_RUNNING));
+ g_return_if_fail(bin->numentries > 0);
+
+ entries = bin->entries;
+
+ g_print("iterating\n");
+
+ while (entries) {
+ entry = GST_ELEMENT(entries->data);
+ if (GST_IS_SRC(entry))
+ gst_src_push(GST_SRC(entry));
+ else if (GST_IS_CONNECTION(entry))
+ gst_connection_push(GST_CONNECTION(entry));
+ else
+ g_assert_not_reached();
+ entries = g_list_next(entries);
+ }
+// g_print(",");
+}
diff --git a/gst/gstbin.h b/gst/gstbin.h
new file mode 100644
index 0000000000..7f534ef8f0
--- /dev/null
+++ b/gst/gstbin.h
@@ -0,0 +1,106 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_BIN_H__
+#define __GST_BIN_H__
+
+
+#include <gst/gstelement.h>
+#include <gst/gstsrc.h>
+#include <gst/gstconnection.h>
+#include <gst/cothreads.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+GstElementDetails gst_bin_details;
+
+
+#define GST_TYPE_BIN \
+ (gst_bin_get_type())
+#define GST_BIN(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_BIN,GstBin))
+#define GST_BIN_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_BIN,GstBinClass))
+#define GST_IS_BIN(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_BIN))
+#define GST_IS_BIN_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_BIN)))
+
+typedef struct _GstBin GstBin;
+typedef struct _GstBinClass GstBinClass;
+
+struct _GstBin {
+ GstElement element;
+
+ gint numchildren;
+ GList *children;
+
+ GList *entries;
+ gint numentries;
+
+ cothread_context *threadcontext;
+};
+
+struct _GstBinClass {
+ GstElementClass parent_class;
+
+ void (*object_added) (GstObject *object,GstObject *child);
+
+ /* change the state of elements of the given type */
+ gboolean (*change_state_type) (GstBin *bin,
+ GstElementState state,
+ GtkType type);
+
+ /* create a plan for the execution of the bin */
+ void (*create_plan) (GstBin *bin);
+
+ /* run a full iteration of operation */
+ void (*iterate) (GstBin *bin);
+};
+
+GtkType gst_bin_get_type(void);
+GstElement *gst_bin_new(gchar *name);
+
+/* add and remove elements from the bin */
+void gst_bin_add(GstBin *bin,GstElement *element);
+void gst_bin_remove(GstBin *bin,GstElement *element);
+
+/* retrieve a single element or the while list of children */
+GstElement *gst_bin_get_by_name(GstBin *bin,gchar *name);
+GList *gst_bin_get_list(GstBin *bin);
+
+/* set the state for only elements of the given type */
+gboolean gst_bin_set_state_type(GstBin *bin,
+ GstElementState state,
+ GtkType type);
+
+void gst_bin_iterate(GstBin *bin);
+void gst_bin_create_plan(GstBin *bin);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_BIN_H__ */
+
diff --git a/gst/gstbuffer.c b/gst/gstbuffer.c
new file mode 100644
index 0000000000..4494f86c73
--- /dev/null
+++ b/gst/gstbuffer.c
@@ -0,0 +1,241 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstbuffer.h>
+
+//#define DEBUG(format,args...) g_print("DEBUG: " format, ##args)
+#define DEBUG(format,args...)
+
+
+
+GMemChunk *_gst_buffer_chunk;
+
+
+void _gst_buffer_initialize() {
+ _gst_buffer_chunk = g_mem_chunk_new("GstBuffer",sizeof(GstBuffer),
+ sizeof(GstBuffer)*16,G_ALLOC_AND_FREE);
+}
+
+
+/**
+ * gst_buffer_new:
+ *
+ * Create a new buffer.
+ *
+ * Returns: new buffer
+ */
+GstBuffer *gst_buffer_new() {
+ GstBuffer *buffer;
+
+ buffer = g_mem_chunk_alloc(_gst_buffer_chunk);
+ DEBUG("BUF: allocating new buffer %p\n",buffer);
+
+// g_print("allocating new mutex\n");
+ buffer->lock = g_mutex_new();
+#ifdef HAVE_ATOMIC_H
+ atomic_set(&buffer->refcount,1);
+#else
+ buffer->refcount = 1;
+#endif
+ buffer->flags = 0;
+ buffer->type = 0;
+ buffer->data = NULL;
+ buffer->size = 0;
+ buffer->maxsize = 0;
+ buffer->offset = 0;
+ buffer->timestamp = 0;
+ buffer->metas = NULL;
+ buffer->parent = NULL;
+ return buffer;
+}
+
+
+/**
+ * gst_buffer_create_sub:
+ * @parent: parent buffer
+ * @offset: offset into parent buffer
+ * @size: size of new subbuffer
+ *
+ * Creates a sub-buffer from the parent at a given offset.
+ *
+ * Returns: new buffer
+ */
+GstBuffer *gst_buffer_create_sub(GstBuffer *parent,guint32 offset,guint32 size) {
+ GstBuffer *buffer;
+
+ g_return_if_fail(parent != NULL);
+ g_return_if_fail(size > 0);
+ g_return_if_fail((offset+size) <= parent->size);
+
+ buffer = g_mem_chunk_alloc(_gst_buffer_chunk);
+ DEBUG("BUF: allocating new subbuffer %p, parent %p\n",buffer,parent);
+
+ buffer->lock = g_mutex_new();
+#ifdef HAVE_ATOMIC_H
+ atomic_set(&buffer->refcount,1);
+#else
+ buffer->refcount = 1;
+#endif
+
+ // copy flags and type from parent, for lack of better
+ buffer->flags = parent->flags;
+ buffer->type = parent->type;
+
+ // set the data pointer, size, offset, and maxsize
+ buffer->data = parent->data + offset;
+ buffer->size = size;
+ buffer->offset = offset;
+ buffer->maxsize = parent->size - offset;
+
+ // again, for lack of better, copy parent's timestamp
+ buffer->timestamp = parent->timestamp;
+
+ // no metas, this is sane I think
+ buffer->metas = NULL;
+
+ // set parentage and reference the parent
+ buffer->parent = parent;
+ gst_buffer_ref(parent);
+
+ // return the new subbuffer
+ return buffer;
+}
+
+
+void gst_buffer_destroy(GstBuffer *buffer) {
+ GSList *metas;
+
+ g_return_if_fail(buffer != NULL);
+
+ if (buffer->parent != NULL)
+ DEBUG("BUF: freeing subbuffer %p\n",buffer);
+ else
+ DEBUG("BUF: freeing buffer %p\n",buffer);
+
+ // free the data only if there is some, DONTFREE isn't set, and not sub
+ if (GST_BUFFER_DATA(buffer) &&
+ !GST_BUFFER_FLAG_IS_SET(buffer,GST_BUFFER_DONTFREE) &&
+ (buffer->parent == NULL)) {
+ g_free(GST_BUFFER_DATA(buffer));
+// g_print("freed data in buffer\n");
+ }
+
+ // unreference any metadata attached to this buffer
+ metas = buffer->metas;
+ while (metas) {
+ gst_meta_unref((GstMeta *)(metas->data));
+ metas = g_slist_next(metas);
+ }
+ g_slist_free(buffer->metas);
+
+ // unreference the parent if there is one
+ if (buffer->parent != NULL)
+ gst_buffer_unref(buffer->parent);
+
+ g_mutex_free(buffer->lock);
+// g_print("freed mutex\n");
+
+ // remove it entirely from memory
+ g_mem_chunk_free(_gst_buffer_chunk,buffer);
+}
+
+void gst_buffer_ref(GstBuffer *buffer) {
+ g_return_if_fail(buffer != NULL);
+
+ DEBUG("BUF: referencing buffer %p\n",buffer);
+
+#ifdef HAVE_ATOMIC_H
+ g_return_if_fail(atomic_read(&(buffer->refcount)) > 0);
+ atomic_inc(&(buffer->refcount))
+#else
+ g_return_if_fail(buffer->refcount > 0);
+ GST_BUFFER_LOCK(buffer);
+ buffer->refcount++;
+ GST_BUFFER_UNLOCK(buffer);
+#endif
+}
+
+void gst_buffer_ref_by_count(GstBuffer *buffer,int count) {
+ g_return_if_fail(buffer != NULL);
+ g_return_if_fail(count > 0);
+
+#ifdef HAVE_ATOMIC_H
+ g_return_if_fail(atomic_read(&(buffer->refcount)) > 0);
+ atomic_add(count,&(buffer->refcount))
+#else
+ g_return_if_fail(buffer->refcount > 0);
+ GST_BUFFER_LOCK(buffer);
+ buffer->refcount += count;
+ GST_BUFFER_UNLOCK(buffer);
+#endif
+}
+
+void gst_buffer_unref(GstBuffer *buffer) {
+ int zero;
+
+ g_return_if_fail(buffer != NULL);
+
+ DEBUG("BUF: unreferencing buffer %p\n",buffer);
+
+#ifdef HAVE_ATOMIC_H
+ g_return_if_fail(atomic_read(&(buffer->refcount)) > 0);
+ zero = atomic_dec_and_test(&(buffer->refcount))
+#else
+ g_return_if_fail(buffer->refcount > 0);
+ GST_BUFFER_LOCK(buffer);
+ buffer->refcount--;
+ zero = (buffer->refcount == 0);
+ GST_BUFFER_UNLOCK(buffer);
+#endif
+
+ /* if we ended up with the refcount at zero, destroy the buffer */
+ if (zero)
+ gst_buffer_destroy(buffer);
+}
+
+void gst_buffer_add_meta(GstBuffer *buffer,GstMeta *meta) {
+ g_return_if_fail(buffer != NULL);
+ g_return_if_fail(meta != NULL);
+
+ gst_meta_ref(meta);
+ buffer->metas = g_slist_append(buffer->metas,meta);
+}
+
+GSList *gst_buffer_get_metas(GstBuffer *buffer) {
+ g_return_if_fail(buffer != NULL);
+
+ return buffer->metas;
+}
+
+GstMeta *gst_buffer_get_first_meta(GstBuffer *buffer) {
+ g_return_if_fail(buffer != NULL);
+
+ if (buffer->metas == NULL)
+ return NULL;
+ return GST_META(buffer->metas->data);
+}
+
+void gst_buffer_remove_meta(GstBuffer *buffer,GstMeta *meta) {
+ g_return_if_fail(buffer != NULL);
+ g_return_if_fail(meta != NULL);
+
+ buffer->metas = g_slist_remove(buffer->metas,meta);
+ gst_meta_unref(meta);
+}
diff --git a/gst/gstbuffer.h b/gst/gstbuffer.h
new file mode 100644
index 0000000000..bd412b4e09
--- /dev/null
+++ b/gst/gstbuffer.h
@@ -0,0 +1,128 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_BUFFER_H__
+#define __GST_BUFFER_H__
+
+#include <gst/gstmeta.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_BUFFER(buf) ((GstBuffer *)(buf))
+
+
+#define GST_BUFFER_FLAGS(buf) \
+ (GST_BUFFER(buf)->flags)
+#define GST_BUFFER_FLAG_IS_SET(buf,flag) \
+ (GST_BUFFER_FLAGS(buf) & (flag))
+#define GST_BUFFER_FLAG_SET(buf,flag) \
+ G_STMT_START{ (GST_BUFFER_FLAGS(buf) |= (flag)); }G_STMT_END
+#define GST_BUFFER_FLAG_UNSET(buf,flag) \
+ G_STMT_START{ (GST_BUFFER_FLAGS(buf) &= ~(flag)); }G_STMT_END
+
+
+#define GST_BUFFER_TYPE(buf) (GST_BUFFER(buf)->type)
+#define GST_BUFFER_DATA(buf) (GST_BUFFER(buf)->data)
+#define GST_BUFFER_SIZE(buf) (GST_BUFFER(buf)->size)
+#define GST_BUFFER_OFFSET(buf) (GST_BUFFER(buf)->offset)
+#define GST_BUFFER_MAXSIZE(buf) (GST_BUFFER(buf)->maxsize)
+#define GST_BUFFER_TIMESTAMP(buf) (GST_BUFFER(buf)->timestamp)
+
+
+#define GST_BUFFER_LOCK(buf) (g_mutex_lock(GST_BUFFER(buf)->lock))
+#define GST_BUFFER_TRYLOCK(buf) (g_mutex_trylock(GST_BUFFER(buf)->lock))
+#define GST_BUFFER_UNLOCK(buf) (g_mutex_unlock(GST_BUFFER(buf)->lock))
+
+
+typedef enum {
+ GST_BUFFER_READONLY = (1 << 0),
+ GST_BUFFER_EOS = (1 << 1),
+ GST_BUFFER_ORIGINAL = (1 << 2),
+ GST_BUFFER_DONTFREE = (1 << 3),
+} GstBufferFlags;
+
+
+typedef struct _GstBuffer GstBuffer;
+
+struct _GstBuffer {
+ /* locking */
+ GMutex *lock;
+
+ /* refcounting */
+#ifdef HAVE_ATOMIC_H
+ atomic_t refcount;
+#else
+ int refcount;
+#endif
+
+ /* data type of this buffer */
+ guint16 type;
+ /* flags */
+ guint16 flags;
+
+ /* pointer to data, its size, and offset in original source if known */
+ guchar *data;
+ guint32 size;
+ guint32 maxsize;
+ guint32 offset;
+
+ /* timestamp */
+ guint64 timestamp;
+ /* max age */
+ guint64 maxage;
+
+ /* pointer to metadata, is really lame right now */
+ GSList *metas;
+
+ /* subbuffer support, who's my parent? */
+ GstBuffer *parent;
+};
+
+/* creating a new buffer from scratch */
+GstBuffer *gst_buffer_new();
+
+/* creating a subbuffer */
+GstBuffer *gst_buffer_create_sub(GstBuffer *parent,guint32 offset,guint32 size);
+
+/* refcounting */
+void gst_buffer_ref(GstBuffer *buffer);
+void gst_buffer_ref_by_count(GstBuffer *buffer,int count);
+void gst_buffer_unref(GstBuffer *buffer);
+
+/* destroying the buffer */
+void gst_buffer_destroy(GstBuffer *buffer);
+
+/* add, retrieve, and remove metadata from the buffer */
+void gst_buffer_add_meta(GstBuffer *buffer,GstMeta *meta);
+GstMeta *gst_buffer_get_first_meta(GstBuffer *buffer);
+GSList *gst_buffer_get_metas(GstBuffer *buffer);
+void gst_buffer_remove_meta(GstBuffer *buffer,GstMeta *meta);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_BUFFER_H__ */
diff --git a/gst/gstconnection.c b/gst/gstconnection.c
new file mode 100644
index 0000000000..4c1c491939
--- /dev/null
+++ b/gst/gstconnection.c
@@ -0,0 +1,99 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstconnection.h>
+
+
+/* Connection signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_connection_class_init(GstConnectionClass *klass);
+static void gst_connection_init(GstConnection *connection);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_connection_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_connection_get_type(void) {
+ static GtkType connection_type = 0;
+
+ if (!connection_type) {
+ static const GtkTypeInfo connection_info = {
+ "GstConnection",
+ sizeof(GstConnection),
+ sizeof(GstConnectionClass),
+ (GtkClassInitFunc)gst_connection_class_init,
+ (GtkObjectInitFunc)gst_connection_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ connection_type = gtk_type_unique(GST_TYPE_ELEMENT,&connection_info);
+ }
+ return connection_type;
+}
+
+static void
+gst_connection_class_init(GstConnectionClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+}
+
+static void gst_connection_init(GstConnection *connection) {
+}
+
+/**
+ * gst_connection_new:
+ * @name: name of new connection
+ *
+ * Create a new connection with given name.
+ *
+ * Returns: new connection
+ */
+GstElement *gst_connection_new(gchar *name) {
+ GstElement *connection = GST_ELEMENT(gtk_type_new(gst_connection_get_type()));
+ gst_element_set_name(GST_ELEMENT(connection),name);
+ return connection;
+}
+
+void gst_connection_push(GstConnection *connection) {
+ GstConnectionClass *oclass;
+
+ g_return_if_fail(connection != NULL);
+ g_return_if_fail(GST_IS_CONNECTION(connection));
+
+ oclass = (GstConnectionClass *)(GTK_OBJECT(connection)->klass);
+
+ g_return_if_fail(oclass->push != NULL);
+
+ (oclass->push)(connection);
+}
diff --git a/gst/gstconnection.h b/gst/gstconnection.h
new file mode 100644
index 0000000000..a98ca1b04e
--- /dev/null
+++ b/gst/gstconnection.h
@@ -0,0 +1,69 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_CONNECTION_H__
+#define __GST_CONNECTION_H__
+
+
+#include <gst/gstelement.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_CONNECTION \
+ (gst_connection_get_type())
+#define GST_CONNECTION(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_CONNECTION,GstConnection))
+#define GST_CONNECTION_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_CONNECTION,GstConnectionClass))
+#define GST_IS_CONNECTION(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_CONNECTION))
+#define GST_IS_CONNECTION_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_CONNECTION)))
+
+typedef struct _GstConnection GstConnection;
+typedef struct _GstConnectionClass GstConnectionClass;
+
+struct _GstConnection {
+ GstElement element;
+};
+
+struct _GstConnectionClass {
+ GstElementClass parent_class;
+
+ /* push function */
+ void (*push) (GstConnection *connection);
+};
+
+GtkType gst_connection_get_type(void);
+GstElement *gst_connection_new(gchar *name);
+
+void gst_connection_push(GstConnection *connection);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_CONNECTION_H__ */
diff --git a/gst/gstelement.c b/gst/gstelement.c
new file mode 100644
index 0000000000..941973d7b5
--- /dev/null
+++ b/gst/gstelement.c
@@ -0,0 +1,507 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstelement.h>
+
+
+/* Element signals and args */
+enum {
+ STATE_CHANGE,
+ NEW_PAD,
+ NEW_GHOST_PAD,
+ ERROR,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_element_class_init(GstElementClass *klass);
+static void gst_element_init(GstElement *element);
+static void gst_element_real_destroy(GtkObject *object);
+
+
+static GstObjectClass *parent_class = NULL;
+static guint gst_element_signals[LAST_SIGNAL] = { 0 };
+
+GtkType gst_element_get_type(void) {
+ static GtkType element_type = 0;
+
+ if (!element_type) {
+ static const GtkTypeInfo element_info = {
+ "GstElement",
+ sizeof(GstElement),
+ sizeof(GstElementClass),
+ (GtkClassInitFunc)gst_element_class_init,
+ (GtkObjectInitFunc)gst_element_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ element_type = gtk_type_unique(GST_TYPE_OBJECT,&element_info);
+ }
+ return element_type;
+}
+
+static void gst_element_class_init(GstElementClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_OBJECT);
+
+ gst_element_signals[STATE_CHANGE] =
+ gtk_signal_new("state_change",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstElementClass,state_change),
+ gtk_marshal_NONE__INT,GTK_TYPE_NONE,1,
+ GTK_TYPE_INT);
+ gst_element_signals[NEW_PAD] =
+ gtk_signal_new("new_pad",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstElementClass,new_pad),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+ gst_element_signals[NEW_GHOST_PAD] =
+ gtk_signal_new("new_ghost_pad",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstElementClass,new_ghost_pad),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+ gst_element_signals[ERROR] =
+ gtk_signal_new("error",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstElementClass,error),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+
+
+ gtk_object_class_add_signals(gtkobject_class,gst_element_signals,LAST_SIGNAL);
+
+ klass->start = NULL;
+ klass->stop = NULL;
+ klass->change_state = gst_element_change_state;
+
+ gtkobject_class->destroy = gst_element_real_destroy;
+}
+
+static void gst_element_init(GstElement *element) {
+ element->state = 0;
+ element->numpads = 0;
+ element->pads = NULL;
+ element->loopfunc = NULL;
+}
+
+/**
+ * gst_element_new:
+ *
+ * Create a new element.
+ *
+ * Returns: new element
+ */
+GstElement *gst_element_new() {
+ return GST_ELEMENT(gtk_type_new(GST_TYPE_ELEMENT));
+}
+
+/**
+ * gst_element_add_pad:
+ * @element: element to add pad to
+ * @pad: pad to add
+ *
+ * Add a pad (connection point) to the element, setting the parent of the
+ * pad to the element (and thus adding a reference).
+ */
+void gst_element_add_pad(GstElement *element,GstPad *pad) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ /* set the pad's parent */
+ gst_pad_set_parent(pad,GST_OBJECT(element));
+
+ /* add it to the list */
+ element->pads = g_list_append(element->pads,pad);
+ element->numpads++;
+
+ /* emit the NEW_PAD signal */
+// g_print("emitting NEW_PAD signal, \"%s\"!\n",gst_pad_get_name(pad));
+ gtk_signal_emit(GTK_OBJECT(element),gst_element_signals[NEW_PAD],pad);
+}
+
+/**
+ * gst_element_add_ghost_pad:
+ * @element: element to add ghost pad to
+ * @pad: ghost pad to add
+ *
+ * Add a ghost pad to the element, setting the ghost parent of the pad to
+ * the element (and thus adding a reference).
+ */
+void gst_element_add_ghost_pad(GstElement *element,GstPad *pad) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ /* set the pad's parent */
+ gst_pad_add_ghost_parent(pad,GST_OBJECT(element));
+
+ /* add it to the list */
+ element->pads = g_list_append(element->pads,pad);
+ element->numpads++;
+
+ /* emit the NEW_PAD signal */
+ gtk_signal_emit(GTK_OBJECT(element),gst_element_signals[NEW_GHOST_PAD],pad);
+}
+
+/**
+ * gst_element_get_pad:
+ * @element: element to find pad of
+ * @name: name of pad to retrieve
+ *
+ * Retrieve a pad from the element by name.
+ *
+ * Returns: requested pad if found, otherwise NULL.
+ */
+GstPad *gst_element_get_pad(GstElement *element,gchar *name) {
+ GList *walk;
+
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+ if (name == NULL)
+ return NULL;
+ if (!element->numpads)
+ return NULL;
+
+ walk = element->pads;
+ while (walk) {
+ if (!strcmp(((GstPad *)(walk->data))->name,name))
+ return (GstPad *)(walk->data);
+ walk = g_list_next(walk);
+ }
+
+ return NULL;
+}
+
+/**
+ * gst_element_get_pad_list:
+ * @element: element to get pads of
+ *
+ * Retrieve a list of the pads associated with the element.
+ *
+ * Returns: <type>GList</type> of pads
+ */
+GList *gst_element_get_pad_list(GstElement *element) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+
+ return element->pads;
+}
+
+/**
+ * gst_element_connect:
+ * @src: element containing source pad
+ * @srcpadname: name of pad in source element
+ * @dest: element containing destination pad
+ * @destpadname: name of pad in destination element
+ *
+ * Connect the two named pads of the source and destination elements.
+ * Side effect is that if one of the pads has no parent, it becomes a
+ * child of the parent of the other element. If they have different
+ * parents, the connection fails.
+ */
+void gst_element_connect(GstElement *src,gchar *srcpadname,
+ GstElement *dest,gchar *destpadname) {
+ GstPad *srcpad,*destpad;
+ GstObject *srcparent,*destparent;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(src));
+ g_return_if_fail(srcpadname != NULL);
+ g_return_if_fail(dest != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(dest));
+ g_return_if_fail(destpadname != NULL);
+
+ srcpad = gst_element_get_pad(src,srcpadname);
+ destpad = gst_element_get_pad(dest,destpadname);
+
+ g_return_if_fail(srcpad != NULL);
+ g_return_if_fail(destpad != NULL);
+
+ srcparent = gst_object_get_parent(GST_OBJECT(src));
+ destparent = gst_object_get_parent(GST_OBJECT(dest));
+ /* we can't do anything if neither have parents */
+ if ((srcparent == NULL) && (destparent == NULL))
+ return;
+
+ /* and we have to make sure that they have the same parents... */
+ if ((srcparent == NULL) && (destparent == NULL)) {
+ if (srcparent != destparent)
+ return;
+ }
+}
+
+void gst_element_error(GstElement *element,gchar *error) {
+ g_error("error in element '%s': %s\n",element->name,error);
+
+ gtk_signal_emit(GTK_OBJECT(element),gst_element_signals[ERROR],error);
+}
+
+
+/**
+ * gst_element_set_state:
+ * @element: element to change state of
+ * @state: new element state
+ *
+ * Sets the state of the element, but more importantly fires off a signal
+ * indicating the new state. You can clear state by simply prefixing the
+ * GstElementState value with ~, it will be detected and used to turn off
+ * that bit.
+ *
+ * Returns: whether or not the state was successfully set.
+ */
+gboolean gst_element_set_state(GstElement *element,GstElementState state) {
+ GstElementClass *oclass;
+ gboolean stateset = FALSE;
+
+// g_print("gst_element_set_state(\"%s\",%08lx)\n",
+// element->name,state);
+
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+
+ oclass = GST_ELEMENT_CLASS(GTK_OBJECT(element)->klass);
+
+ if (oclass->change_state)
+ stateset = (oclass->change_state)(element,state);
+
+ /* if a state *set* failed, unset it immediately */
+/*
+ if (!(state & GST_STATE_MAX) && !stateset) {
+ g_print("set state failed miserably, forcing unset\n");
+ if (oclass->change_state)
+ stateset = (oclass->change_state)(element,~state);
+ return FALSE;
+ }*/
+
+ return stateset;
+}
+
+/* class function to set the state of a simple element */
+gboolean gst_element_change_state(GstElement *element,
+ GstElementState state) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+
+// g_print("gst_element_change_state(\"%s\",%d)\n",
+// element->name,state);
+
+ /* deal with the inverted state */
+// g_print("changing element state, was %08lx",GST_STATE(element));
+ if (state & GST_STATE_MAX)
+ GST_STATE_UNSET(element,~state);
+ else
+ GST_STATE_SET(element,state);
+// g_print(", is now %08lx\n",GST_STATE(element));
+ gtk_signal_emit(GTK_OBJECT(element),gst_element_signals[STATE_CHANGE],
+ state);
+}
+
+/**
+ * gst_element_set_name:
+ * @element: GstElement to set name of
+ * @name: new name of element
+ *
+ * Set the name of the element, getting rid of the old name if there was
+ * one.
+ */
+void gst_element_set_name(GstElement *element,gchar *name) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+ g_return_if_fail(name != NULL);
+
+ if (element->name != NULL)
+ g_free(element->name);
+
+ element->name = g_strdup(name);
+}
+
+/**
+ * gst_element_get_name:
+ * @element: GstElement to set name of
+ *
+ * Get the name of the element.
+ *
+ * Returns: name of the element
+ */
+gchar *gst_element_get_name(GstElement *element) {
+ g_return_if_fail(element != NULL);
+ g_return_if_fail(GST_IS_ELEMENT(element));
+
+ return element->name;
+}
+
+static void gst_element_real_destroy(GtkObject *object) {
+ GstElement *element = GST_ELEMENT(object);
+ GList *pads;
+ GstPad *pad;
+
+// g_print("in gst_element_real_destroy()\n");
+
+ if (element->name)
+ g_free(element->name);
+
+ pads = element->pads;
+ while (pads) {
+ pad = GST_PAD(pads->data);
+ gst_pad_destroy(pad);
+ pads = g_list_next(pads);
+ }
+
+ g_list_free(element->pads);
+}
+
+
+static gchar *_gst_element_type_names[] = {
+ "invalid",
+ "none",
+ "char",
+ "uchar",
+ "bool",
+ "int",
+ "uint",
+ "long",
+ "ulong",
+ "float",
+ "double",
+ "string",
+};
+
+xmlNodePtr gst_element_save_thyself(GstElement *element,xmlNodePtr parent) {
+ xmlNodePtr self, arglist;
+ GList *pads;
+ GstPad *pad;
+ GstElementClass *oclass;
+ GstElementFactory *factory;
+ GtkType type;
+
+ oclass = GST_ELEMENT_CLASS(GTK_OBJECT(element)->klass);
+
+ self = xmlNewChild(parent,NULL,"element",NULL);
+ xmlNewChild(self,NULL,"name",element->name);
+ if (oclass->elementfactory != NULL) {
+ factory = (GstElementFactory *)oclass->elementfactory;
+ xmlNewChild(self,NULL,"type",factory->name);
+ xmlNewChild(self,NULL,"version",factory->details->version);
+ }
+
+ pads = element->pads;
+ while (pads) {
+ pad = GST_PAD(pads->data);
+ // figure out if it's a direct pad or a ghostpad
+ if (pad->parent == element)
+ gst_pad_save_thyself(pad,self);
+ pads = g_list_next(pads);
+ }
+
+ // output all args to the element
+ arglist = xmlNewChild(self,NULL,"args",NULL);
+ type = GTK_OBJECT_TYPE(element);
+ while (type != GTK_TYPE_INVALID) {
+ GtkArg *args;
+ guint32 *flags;
+ guint num_args,i;
+
+ args = gtk_object_query_args(type,&flags,&num_args);
+ for (i=0;i<num_args;i++) {
+ if ((args[i].type > GTK_TYPE_NONE) &&
+ (args[i].type <= GTK_TYPE_STRING) &&
+ (flags && GTK_ARG_READABLE)) {
+ xmlNodePtr arg;
+ gtk_object_getv(GTK_OBJECT(element),1,&args[i]);
+ arg = xmlNewChild(arglist,NULL,"arg",NULL);
+ xmlNewChild(arg,NULL,"name",args[i].name);
+ switch (args[i].type) {
+ case GTK_TYPE_CHAR:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%c",GTK_VALUE_CHAR(args[i])));
+ break;
+ case GTK_TYPE_UCHAR:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%d",GTK_VALUE_UCHAR(args[i])));
+ break;
+ case GTK_TYPE_BOOL:
+ xmlNewChild(arg,NULL,"value",
+ GTK_VALUE_BOOL(args[1])?"true":"false");
+ break;
+ case GTK_TYPE_INT:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%d",GTK_VALUE_INT(args[i])));
+ break;
+ case GTK_TYPE_LONG:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%ld",GTK_VALUE_LONG(args[i])));
+ break;
+ case GTK_TYPE_ULONG:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%ld",GTK_VALUE_ULONG(args[i])));
+ break;
+ case GTK_TYPE_FLOAT:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%f",GTK_VALUE_FLOAT(args[i])));
+ break;
+ case GTK_TYPE_DOUBLE:
+ xmlNewChild(arg,NULL,"value",
+ g_strdup_printf("%lf",GTK_VALUE_DOUBLE(args[i])));
+ break;
+ case GTK_TYPE_STRING:
+ xmlNewChild(arg,NULL,"value",GTK_VALUE_STRING(args[i]));
+ break;
+ }
+ }
+ }
+ type = gtk_type_parent(type);
+ }
+
+ if (oclass->save_thyself)
+ (oclass->save_thyself)(element,self);
+
+ return self;
+}
+
+void gst_element_set_manager(GstElement *element,GstElement *manager) {
+ element->manager = manager;
+}
+
+GstElement *gst_element_get_manager(GstElement *element) {
+ return element->manager;
+}
+
+// note that this casts a char ** to a GstElement *. Ick.
+int gst_element_loopfunc_wrapper(int argc,char **argv) {
+ GstElement *element = GST_ELEMENT(argv);
+ element->loopfunc(element);
+}
+
+void gst_element_set_loop_function(GstElement *element,
+ GstElementLoopFunction loop) {
+ element->loopfunc = loop;
+ if (element->threadstate != NULL)
+ cothread_setfunc(element->threadstate,gst_element_loopfunc_wrapper,
+ 0,element);
+}
diff --git a/gst/gstelement.h b/gst/gstelement.h
new file mode 100644
index 0000000000..8490ce1cc0
--- /dev/null
+++ b/gst/gstelement.h
@@ -0,0 +1,194 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_ELEMENT_H__
+#define __GST_ELEMENT_H__
+
+
+#include <gnome-xml/parser.h>
+#include <gst/gstlog.h>
+#include <gst/gstobject.h>
+#include <gst/gstpad.h>
+#include <gst/gstbuffer.h>
+#include <gst/cothreads.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+typedef enum {
+ GST_STATE_COMPLETE = (1 << 0),
+ GST_STATE_RUNNING = (1 << 1),
+ GST_STATE_DISCOVERY = (1 << 2),
+ GST_STATE_PREROLL = (1 << 3),
+
+ GST_STATE_PLAYING = (1 << 4),
+ GST_STATE_PAUSED = (1 << 5),
+
+ GST_STATE_MAX = (1 << 15),
+} GstElementState;
+
+
+#define GST_STATE(obj) (GST_ELEMENT(obj)->state)
+#define GST_STATE_IS_SET(obj,flag) (GST_STATE (obj) & (flag))
+#define GST_STATE_SET(obj,flag) \
+G_STMT_START{ (GST_STATE (obj) |= (flag)); \
+gst_info("set '%s' state %d\n",gst_element_get_name(obj),flag); \
+}G_STMT_END
+#define GST_STATE_UNSET(obj,flag) \
+G_STMT_START{ (GST_STATE (obj) &= ~(flag)); \
+gst_info("unset '%s' state %d\n",gst_element_get_name(obj),flag); \
+}G_STMT_END
+
+
+#define GST_TYPE_ELEMENT \
+ (gst_element_get_type())
+#define GST_ELEMENT(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_ELEMENT,GstElement))
+#define GST_ELEMENT_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_ELEMENT,GstElementClass))
+#define GST_IS_ELEMENT(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_ELEMENT))
+#define GST_IS_ELEMENT_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_ELEMENT)))
+
+typedef struct _GstElement GstElement;
+typedef struct _GstElementClass GstElementClass;
+typedef struct _GstElementDetails GstElementDetails;
+typedef struct _GstElementFactory GstElementFactory;
+
+typedef void (*GstElementLoopFunction) (GstElement *element);
+
+struct _GstElement {
+ GstObject object;
+
+ gchar *name;
+
+ guint16 state;
+
+ GstElementLoopFunction loopfunc;
+ cothread_state *threadstate;
+
+ guint16 numpads;
+ GList *pads;
+
+ GstElement *manager;
+};
+
+struct _GstElementClass {
+ GstObjectClass parent_class;
+
+ /* the elementfactory that created us */
+ GstElementFactory *elementfactory;
+
+ /* signal callbacks */
+ void (*state_change) (GstElement *element,GstElementState state);
+ void (*new_pad) (GstElement *element,GstPad *pad);
+ void (*new_ghost_pad) (GstElement *element,GstPad *pad);
+ void (*error) (GstElement *element,gchar *error);
+
+ /* events */
+ gboolean (*start) (GstElement *element,GstElementState state);
+ gboolean (*stop) (GstElement *element);
+
+ /* change the element state */
+ gboolean (*change_state) (GstElement *element,GstElementState state);
+
+ /* create or read XML representation of self */
+ xmlNodePtr (*save_thyself)(GstElement *element,xmlNodePtr parent);
+ void (*restore_thyself)(GstElement *element,xmlNodePtr *self);
+};
+
+struct _GstElementDetails {
+ gchar *longname; /* long, english name */
+ gchar *class; /* type of element, kinda */
+ gchar *description; /* insights of one form or another */
+ gchar *version; /* version of the element */
+ gchar *author; /* who wrote this thing? */
+ gchar *copyright; /* copyright details (year, etc.) */
+};
+
+struct _GstElementFactory {
+ gchar *name;
+ GtkType type;
+
+ GstElementDetails *details;
+};
+
+
+GtkType gst_element_get_type(void);
+GstElement *gst_element_new(void);
+
+void gst_element_set_loop_function(GstElement *element,
+ GstElementLoopFunction loop);
+
+void gst_element_set_name(GstElement *element,gchar *name);
+gchar *gst_element_get_name(GstElement *element);
+
+void gst_element_set_manager(GstElement *element,GstElement *manager);
+GstElement *gst_element_get_manager(GstElement *element);
+
+void gst_element_add_pad(GstElement *element,GstPad *pad);
+void gst_element_add_ghost_pad(GstElement *element,GstPad *pad);
+GstPad *gst_element_get_pad(GstElement *element,gchar *name);
+GList *gst_element_get_pad_list(GstElement *element);
+
+void gst_element_connect(GstElement *src,gchar *srcpadname,
+ GstElement *dest,gchar *destpadname);
+
+/* called by the app to set the state of the element */
+gboolean gst_element_set_state(GstElement *element,GstElementState state);
+
+void gst_element_error(GstElement *element,gchar *error);
+
+/* callback to actually set the state */
+gboolean gst_element_change_state(GstElement *element,
+ GstElementState state);
+
+#define gst_element_destroy(element) gst_object_destroy(GST_OBJECT(element))
+
+/* XML write and read */
+xmlNodePtr gst_element_save_thyself(GstElement *element,xmlNodePtr parent);
+
+
+GstElementFactory *gst_elementfactory_new(gchar *name,GtkType type,
+ GstElementDetails *details);
+void gst_elementfactory_register(GstElementFactory *elementfactory);
+
+GstElementFactory *gst_elementfactory_find(gchar *name);
+GList *gst_elementfactory_get_list();
+
+GstElement *gst_elementfactory_create(GstElementFactory *factory,
+ gchar *name);
+
+// FIXME this name is wrong, probably so is the one above it
+GstElement *gst_elementfactory_make(gchar *factoryname,gchar *name);
+
+int gst_element_loopfunc_wrapper(int argc,char **argv);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_ELEMENT_H__ */
+
diff --git a/gst/gstelementfactory.c b/gst/gstelementfactory.c
new file mode 100644
index 0000000000..c6f185f1c9
--- /dev/null
+++ b/gst/gstelementfactory.c
@@ -0,0 +1,138 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstelement.h>
+
+
+/* global list of registered elementfactories */
+GList* _gst_elementfactories;
+
+void _gst_elementfactory_initialize() {
+ _gst_elementfactories = NULL;
+}
+
+/**
+ * gst_elementfactory_register:
+ * @elementfactory: factory to register
+ *
+ * Adds the elementfactory to the global list, so it can be retrieved by
+ * name.
+ */
+void gst_elementfactory_register(GstElementFactory *elementfactory) {
+ g_return_if_fail(elementfactory != NULL);
+
+ _gst_elementfactories = g_list_prepend(_gst_elementfactories,elementfactory);
+}
+
+/**
+ * gst_elementfactory_find:
+ * @name: name of factory to find
+ *
+ * Search for an elementfactory of the given name.
+ *
+ * Returns: #GstElementFactory if found, NULL otherwise
+ */
+GstElementFactory *gst_elementfactory_find(gchar *name) {
+ GList *walk = _gst_elementfactories;
+ GstElementFactory *factory;
+
+ while (walk) {
+ factory = (GstElementFactory *)(walk->data);
+ if (!strcmp(name,factory->name))
+ return factory;
+ walk = g_list_next(walk);
+ }
+
+ return NULL;
+}
+
+/**
+ * gst_elementfactory_get_list:
+ *
+ * Get the global list of elementfactories.
+ *
+ * Returns: <type>GList</type> of type #GstElementFactory
+ */
+GList *gst_elementfactory_get_list() {
+ return _gst_elementfactories;
+}
+
+
+/**
+ * gst_elementfactory_new:
+ * @name: name of new elementfactory
+ * @type: GtkType of new element
+ * @details: #GstElementDetails structure with element details
+ *
+ * Create a new elementfactory capable of insantiating objects of the
+ * given type.
+ *
+ * Returns: new elementfactory
+ */
+GstElementFactory *gst_elementfactory_new(gchar *name,GtkType type,
+ GstElementDetails *details) {
+ GstElementFactory *factory = g_new0(GstElementFactory, 1);
+ factory->name = g_strdup(name);
+ factory->type = type;
+ factory->details = details;
+ return factory;
+}
+
+/**
+ * gst_elementfactory_create:
+ * @factory: factory to instantiate
+ * @name: name of new element
+ *
+ * Create a new element of the type defined by the given elementfactory.
+ * It wll be given the name supplied, since all elements require a name as
+ * their first argument.
+ *
+ * Returns: new #GstElement
+ */
+GstElement *gst_elementfactory_create(GstElementFactory *factory,
+ gchar *name) {
+ GstElement *element;
+ GstElementClass *oclass;
+
+ g_return_if_fail(factory != NULL);
+ g_return_if_fail(factory->type != 0);
+
+ // create an instance of the element
+ element = GST_ELEMENT(gtk_type_new(factory->type));
+ g_assert(element != NULL);
+
+ // attempt to set the elemenfactory class pointer if necessary
+ oclass = GST_ELEMENT_CLASS(GTK_OBJECT(element)->klass);
+ if (oclass->elementfactory == NULL)
+ oclass->elementfactory = factory;
+
+ gst_element_set_name(GST_ELEMENT(element),name);
+
+ return element;
+}
+
+GstElement *gst_elementfactory_make(gchar *factoryname,gchar *name) {
+ GstElementFactory *factory;
+ GstElement *element;
+
+ factory = gst_elementfactory_find(factoryname);
+ if (factory == NULL) return NULL;
+ element = gst_elementfactory_create(factory,name);
+ return element;
+}
diff --git a/gst/gstfilter.c b/gst/gstfilter.c
new file mode 100644
index 0000000000..fc8fcd4672
--- /dev/null
+++ b/gst/gstfilter.c
@@ -0,0 +1,86 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstfilter.h>
+
+
+/* Filter signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_filter_class_init(GstFilterClass *klass);
+static void gst_filter_init(GstFilter *filter);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_filter_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_filter_get_type(void) {
+ static GtkType filter_type = 0;
+
+ if (!filter_type) {
+ static const GtkTypeInfo filter_info = {
+ "GstFilter",
+ sizeof(GstFilter),
+ sizeof(GstFilterClass),
+ (GtkClassInitFunc)gst_filter_class_init,
+ (GtkObjectInitFunc)gst_filter_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ filter_type = gtk_type_unique(GST_TYPE_ELEMENT,&filter_info);
+ }
+ return filter_type;
+}
+
+static void
+gst_filter_class_init(GstFilterClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+}
+
+static void gst_filter_init(GstFilter *filter) {
+}
+
+/**
+ * gst_filter_new:
+ * @name: name of new filter
+ *
+ * Create a new filter with given name.
+ *
+ * Returns: new filter
+ */
+GstElement *gst_filter_new(gchar *name) {
+ GstElement *filter = GST_ELEMENT(gtk_type_new(gst_filter_get_type()));
+ gst_element_set_name(GST_ELEMENT(filter),name);
+ return filter;
+}
diff --git a/gst/gstfilter.h b/gst/gstfilter.h
new file mode 100644
index 0000000000..860cc4acbd
--- /dev/null
+++ b/gst/gstfilter.h
@@ -0,0 +1,63 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_FILTER_H__
+#define __GST_FILTER_H__
+
+
+#include <gst/gstelement.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_FILTER \
+ (gst_filter_get_type())
+#define GST_FILTER(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_FILTER,GstFilter))
+#define GST_FILTER_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FILTER,GstFilterClass))
+#define GST_IS_FILTER(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_FILTER))
+#define GST_IS_FILTER_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FILTER)))
+
+typedef struct _GstFilter GstFilter;
+typedef struct _GstFilterClass GstFilterClass;
+
+struct _GstFilter {
+ GstElement element;
+};
+
+struct _GstFilterClass {
+ GstElementClass parent_class;
+};
+
+GtkType gst_filter_get_type(void);
+GstElement *gst_filter_new(gchar *name);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FILTER_H__ */
diff --git a/gst/gstlog.h b/gst/gstlog.h
new file mode 100644
index 0000000000..e9b353ba9b
--- /dev/null
+++ b/gst/gstlog.h
@@ -0,0 +1,31 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_LOG_H__
+#define __GST_LOG_H__
+
+/* information messages */
+#define GST_SHOW_INFO
+#ifdef GST_SHOW_INFO
+#define gst_info(format,args...) fprintf(stderr,format,##args)
+#else
+#define gst_info(format,args...)
+#endif
+
+#endif /* __GST_LOG_H__ */
diff --git a/gst/gstmeta.c b/gst/gstmeta.c
new file mode 100644
index 0000000000..08208d501f
--- /dev/null
+++ b/gst/gstmeta.c
@@ -0,0 +1,57 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstmeta.h>
+#include <gst/gsttrace.h>
+
+
+GstMeta *gst_meta_new_size(gint size) {
+ GstMeta *meta;
+
+ meta = g_malloc(size);
+ gst_meta_ref(meta);
+
+ return meta;
+}
+
+void gst_meta_ref(GstMeta *meta) {
+ g_return_if_fail(meta != NULL);
+
+ gst_trace_add_entry(NULL,0,meta,"ref meta");
+ meta->refcount++;
+}
+
+void gst_meta_unref(GstMeta *meta) {
+ g_return_if_fail(meta != NULL);
+
+ gst_trace_add_entry(NULL,0,meta,"unref meta");
+ meta->refcount--;
+
+ if (meta->refcount == 0) {
+// gst_trace_add_entry(NULL,0,meta,"destroy meta");
+ g_free(meta);
+ g_print("freeing metadata\n");
+ }
+}
+
+
+GstMeta *gst_meta_cow(GstMeta *meta) {
+ g_return_if_fail(meta != NULL);
+}
diff --git a/gst/gstmeta.h b/gst/gstmeta.h
new file mode 100644
index 0000000000..2ba8998afd
--- /dev/null
+++ b/gst/gstmeta.h
@@ -0,0 +1,85 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+
+#ifndef __GST_META_H__
+#define __GST_META_H__
+
+#include <glib.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_META(meta) ((GstMeta *)(meta))
+
+
+#define GST_META_FLAGS(buf) \
+ (GST_META(buf)->flags)
+#define GST_META_FLAG_IS_SET(meta,flag) \
+ (GST_META_FLAGS(meta) & (flag))
+#define GST_META_FLAG_SET(meta,flag) \
+ G_STMT_START{ (GST_META_FLAGS(meta) |= (flag)); }G_STMT_END
+#define GST_META_FLAG_UNSET(meta,flag) \
+ G_STMT_START{ (GST_META_FLAGS(meta) &= ~(flag)); }G_STMT_END
+
+
+typedef enum {
+ GST_META_FREEABLE = 1 << 0,
+} GstMetaFlags;
+
+
+typedef struct _GstMeta GstMeta;
+
+struct _GstMeta {
+ /* locking */
+ GMutex *lock;
+
+ /* refcounting */
+#ifdef HAVE_ATOMIC_H
+ atomic_t refcount;
+#else
+ int refcount;
+#endif
+
+ guint16 type;
+ guint16 flags;
+
+ void *data;
+ guint16 size;
+};
+
+
+GstMeta *gst_meta_new_size(gint size);
+#define gst_meta_new(type) (type *)gst_meta_new_size(sizeof(type))
+
+/* refcounting */
+void gst_meta_ref(GstMeta *meta);
+void gst_meta_unref(GstMeta *meta);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_BUFFER_H__ */
+
diff --git a/gst/gstobject.c b/gst/gstobject.c
new file mode 100644
index 0000000000..7754cc32e8
--- /dev/null
+++ b/gst/gstobject.c
@@ -0,0 +1,223 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstobject.h>
+#include <gst/gstbin.h>
+
+
+/* Object signals and args */
+enum {
+ PARENT_SET,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_object_class_init(GstObjectClass *klass);
+static void gst_object_init(GstObject *object);
+
+
+static GtkObjectClass *parent_class = NULL;
+static guint gst_object_signals[LAST_SIGNAL] = { 0 };
+
+GtkType gst_object_get_type(void) {
+ static GtkType object_type = 0;
+
+ if (!object_type) {
+ static const GtkTypeInfo object_info = {
+ "GstObject",
+ sizeof(GstObject),
+ sizeof(GstObjectClass),
+ (GtkClassInitFunc)gst_object_class_init,
+ (GtkObjectInitFunc)gst_object_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ object_type = gtk_type_unique(gtk_object_get_type(),&object_info);
+ }
+ return object_type;
+}
+
+static void gst_object_class_init(GstObjectClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(gtk_object_get_type());
+
+ gst_object_signals[PARENT_SET] =
+ gtk_signal_new("parent_set",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstObjectClass,parent_set),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+ gtk_object_class_add_signals(gtkobject_class,gst_object_signals,LAST_SIGNAL);
+}
+
+static void gst_object_init(GstObject *object) {
+ object->lock = g_mutex_new();
+#ifdef HAVE_ATOMIC_H
+ atomic_set(&(object->refcount),1);
+#else
+ object->refcount++;
+#endif
+ object->parent = NULL;
+}
+
+/**
+ * gst_object_new:
+ *
+ * Create a new object with
+ *
+ * Returns: new object
+ */
+GstObject *gst_object_new() {
+ return GST_OBJECT(gtk_type_new(gst_object_get_type()));
+}
+
+/**
+ * gst_object_set_parent:
+ * @object: GstObject to set parent of
+ * @parent: new parent of object
+ *
+ * Set the parent of the object. The object's reference count is
+ * incremented.
+ */
+void gst_object_set_parent(GstObject *object,GstObject *parent) {
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+ g_return_if_fail(object->parent == NULL);
+ g_return_if_fail(parent != NULL);
+ g_return_if_fail(GST_IS_OBJECT(parent));
+ g_return_if_fail(object != parent);
+
+ gst_object_ref(object);
+ gst_object_sink(object);
+ object->parent = parent;
+
+ gtk_signal_emit(GTK_OBJECT(object),gst_object_signals[PARENT_SET],parent);
+}
+
+/**
+ * gst_object_get_parent:
+ * @object: GstObject to get parent of
+ *
+ * Return the parent of the object.
+ *
+ * Returns: parent of the object
+ */
+GstObject *gst_object_get_parent(GstObject *object) {
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+
+ return object->parent;
+}
+
+/**
+ * gst_object_unparent:
+ * @object: GstObject to unparent
+ *
+ * Clear the parent of the object, removing the associated reference.
+ */
+void gst_object_unparent(GstObject *object) {
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+ if (object->parent == NULL)
+ return;
+
+ object->parent = NULL;
+ gst_object_unref(object);
+}
+
+#ifndef gst_object_ref
+void gst_object_ref (GstObject *object) {
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+
+#ifdef HAVE_ATOMIC_H
+ g_return_if_fail(atomic_read(&(object->refcount)) > 0);
+ atomic_inc(&(object->refcount))
+#else
+ g_return_if_fail(object->refcount > 0);
+ GST_LOCK(object);
+ object->refcount++;
+ GST_UNLOCK(object);
+#endif
+}
+#endif /* gst_object_ref */
+
+#ifndef gst_object_unref
+void gst_object_unref (GstObject *object) {
+ int reftest;
+
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+
+#ifdef HAVE_ATOMIC_H
+ g_return_if_fail(atomic_read(&(object->refcount)) > 0);
+ reftest = atomic_dec_and_test(&(object->refcount))
+#else
+ g_return_if_fail(object->refcount > 0);
+ GST_LOCK(object);
+ object->refcount--;
+ reftest = (object->refcount == 0);
+ GST_UNLOCK(object);
+#endif
+
+ /* if we ended up with the refcount at zero */
+ if (reftest) {
+ /* get the count to 1 for gtk_object_destroy() */
+#ifdef HAVE_ATOMIC_T
+ atomic_set(&(object->refcount),1);
+#else
+ object->refcount = 1;
+#endif
+ /* destroy it */
+ gtk_object_destroy(GTK_OBJECT(object));
+ /* drop the refcount back to zero */
+#ifdef HAVE_ATOMIC_T
+ atomic_set(&(object->refcount),0);
+#else
+ object->refcount = 0;
+#endif
+ /* finalize the object */
+ // FIXME this is an evil hack that should be killed
+// FIXMEFIXMEFIXMEFIXME
+// gtk_object_finalize(GTK_OBJECT(object));
+ }
+}
+#endif /* gst_object_unref */
+
+#ifndef gst_object_sink
+void gst_object_sink(GstObject *object) {
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(GST_IS_OBJECT(object));
+
+ if (GTK_OBJECT_FLOATING(object)) {
+ GTK_OBJECT_UNSET_FLAGS(object, GTK_FLOATING);
+ gst_object_unref(object);
+ }
+}
+#endif /* gst_object_sink */
+
diff --git a/gst/gstobject.h b/gst/gstobject.h
new file mode 100644
index 0000000000..060e94831a
--- /dev/null
+++ b/gst/gstobject.h
@@ -0,0 +1,117 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_OBJECT_H__
+#define __GST_OBJECT_H__
+
+
+#include <gtk/gtk.h>
+#include <gst/gsttrace.h>
+#include "config.h"
+
+#ifdef HAVE_ATOMIC_H
+#include <asm/atomic.h>
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_OBJECT \
+ (gst_object_get_type())
+#define GST_OBJECT(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_OBJECT,GstObject))
+#define GST_OBJECT_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_OBJECT,GstObjectClass))
+#define GST_IS_OBJECT(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_OBJECT))
+#define GST_IS_OBJECT_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_OBJECT)))
+
+typedef struct _GstObject GstObject;
+typedef struct _GstObjectClass GstObjectClass;
+
+struct _GstObject {
+ GtkObject object;
+
+ /* have to have a refcount for the object */
+#ifdef HAVE_ATOMIC_H
+ atomic_t refcount;
+#else
+ int refcount;
+#endif
+
+ /* locking for all sorts of things (like the refcount) */
+ GMutex *lock;
+
+ /* this objects parent */
+ GstObject *parent;
+};
+
+struct _GstObjectClass {
+ GtkObjectClass parent_class;
+
+ /* signals */
+ void (*parent_set) (GstObject *object,GstObject *parent);
+
+ /* functions go here */
+};
+
+
+#define GST_FLAGS(obj) GTK_OBJECT_FLAGS(obj)
+#define GST_FLAG_IS_SET(obj,flag) (GST_FLAGS (obj) & (flag))
+#define GST_FLAG_SET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) |= (flag)); }G_STMT_END
+#define GST_FLAG_UNSET(obj,flag) G_STMT_START{ (GST_FLAGS (obj) &= ~(flag)); }G_STMT_END
+
+#define GST_LOCK(obj) (g_mutex_lock(GST_OBJECT(obj)->lock))
+#define GST_TRYLOCK(obj) (g_mutex_trylock(GST_OBJECT(obj)->lock))
+#define GST_UNLOCK(obj) (g_mutex_unlock(GST_OBJECT(obj)->lock))
+
+
+/* normal GtkObject stuff */
+GtkType gst_object_get_type(void);
+GstObject* gst_object_new(void);
+
+/* parentage routines */
+void gst_object_set_parent(GstObject *object,GstObject *parent);
+GstObject *gst_object_get_parent(GstObject *object);
+void gst_object_unparent(GstObject *object);
+
+/* refcounting */
+//void gst_object_ref(GstObject *object);
+#define gst_object_ref(obj) gtk_object_ref(GTK_OBJECT(obj));
+//void gst_object_unref(GstObject *object);
+#define gst_object_unref(obj) gtk_object_unref(GTK_OBJECT(obj));
+//void gst_object_sink(GstObject *object);
+#define gst_object_sink(obj) gtk_object_sink(GTK_OBJECT(obj));
+
+/* destroying an object */
+#define gst_object_destroy(obj) gtk_object_destroy(GTK_OBJECT(obj))
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_OBJECT_H__ */
+
diff --git a/gst/gstpad.c b/gst/gstpad.c
new file mode 100644
index 0000000000..8f21e1a082
--- /dev/null
+++ b/gst/gstpad.c
@@ -0,0 +1,340 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstpad.h>
+#include <gst/gstelement.h>
+#include <gst/gsttype.h>
+
+
+/* Pad signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_pad_class_init(GstPadClass *klass);
+static void gst_pad_init(GstPad *pad);
+static void gst_pad_real_destroy(GtkObject *object);
+
+
+static GstObject *parent_class = NULL;
+static guint gst_pad_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_pad_get_type(void) {
+ static GtkType pad_type = 0;
+
+ if (!pad_type) {
+ static const GtkTypeInfo pad_info = {
+ "GstPad",
+ sizeof(GstPad),
+ sizeof(GstPadClass),
+ (GtkClassInitFunc)gst_pad_class_init,
+ (GtkObjectInitFunc)gst_pad_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ pad_type = gtk_type_unique(GST_TYPE_OBJECT,&pad_info);
+ }
+ return pad_type;
+}
+
+static void
+gst_pad_class_init(GstPadClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_OBJECT);
+
+ gtkobject_class->destroy = gst_pad_real_destroy;
+}
+
+static void gst_pad_init(GstPad *pad) {
+ pad->type = 0;
+ pad->direction = GST_PAD_UNKNOWN;
+ pad->peer = NULL;
+ pad->chain = NULL;
+ pad->parent = NULL;
+ pad->ghostparents = NULL;
+}
+
+/**
+ * gst_pad_new:
+ * @name: name of new pad
+ * @direction: either GST_PAD_SRC or GST_PAD_SINK
+ *
+ * Create a new pad with given name.
+ *
+ * Returns: new pad
+ */
+GstPad *gst_pad_new(gchar *name,GstPadDirection direction) {
+ GstPad *pad;
+
+ g_return_if_fail(name != NULL);
+ g_return_if_fail(direction != GST_PAD_UNKNOWN);
+
+ pad = GST_PAD(gtk_type_new(gst_pad_get_type()));
+ pad->name = g_strdup(name);
+ pad->direction = direction;
+ return pad;
+}
+
+GstPadDirection gst_pad_get_direction(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->direction;
+}
+
+void gst_pad_set_name(GstPad *pad,gchar *name) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ if (pad->name != NULL)
+ g_free(pad->name);
+
+ pad->name = g_strdup(name);
+}
+
+gchar *gst_pad_get_name(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->name;
+}
+
+void gst_pad_set_chain_function(GstPad *pad,GstPadChainFunction chain) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ pad->chain = chain;
+}
+
+void gst_pad_push(GstPad *pad,GstBuffer *buffer) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buffer != NULL);
+
+ gst_trace_add_entry(NULL,0,buffer,"push buffer");
+ // if the chain function exists for the pad, call it directly
+ if (pad->chain)
+ (pad->chain)(pad->peer,buffer);
+ // else we're likely going to have to coroutine it
+ else {
+ pad->peer->bufpen = buffer;
+ g_print("would switch to a coroutine here...\n");
+ if (!GST_IS_ELEMENT(pad->peer->parent))
+ g_print("eek, this isn't an element!\n");
+ if (GST_ELEMENT(pad->peer->parent)->threadstate != NULL)
+ cothread_switch(GST_ELEMENT(pad->peer->parent)->threadstate);
+ }
+}
+
+GstBuffer *gst_pad_pull(GstPad *pad) {
+ GstBuffer *buf;
+ GstElement *peerparent;
+ cothread_state *state;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ if (pad->bufpen == NULL) {
+ g_print("no buffer available, will have to do something about it\n");
+ peerparent = GST_ELEMENT(pad->peer->parent);
+ // if they're a cothread too, we can just switch to them
+ if (peerparent->threadstate != NULL) {
+ cothread_switch(peerparent->threadstate);
+ // otherwise we have to switch to the main thread
+ } else {
+ state = cothread_main(GST_ELEMENT(pad->parent)->threadstate->ctx);
+ g_print("switching to supposed 0th thread at %p\n",state);
+ cothread_switch(state);
+ }
+ } else {
+ g_print("buffer available, pulling\n");
+ buf = pad->bufpen;
+ pad->bufpen = NULL;
+ return buf;
+ }
+}
+
+void gst_pad_chain(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(pad->peer != NULL);
+ g_return_if_fail(pad->chain != NULL);
+
+ if (pad->bufpen)
+ (pad->chain)(pad,pad->bufpen);
+}
+
+void gst_pad_connect(GstPad *srcpad,GstPad *sinkpad) {
+ GstPad *temppad;
+
+ /* generic checks */
+ g_return_if_fail(srcpad != NULL);
+ g_return_if_fail(GST_IS_PAD(srcpad));
+ g_return_if_fail(srcpad->peer == NULL);
+ g_return_if_fail(sinkpad != NULL);
+ g_return_if_fail(GST_IS_PAD(sinkpad));
+ g_return_if_fail(sinkpad->peer == NULL);
+// g_return_if_fail(sinkpad->chain != NULL);
+
+ /* check for reversed directions and swap if necessary */
+ if ((srcpad->direction == GST_PAD_SINK) &&
+ (sinkpad->direction == GST_PAD_SRC)) {
+ temppad = srcpad;
+ srcpad = sinkpad;
+ sinkpad = temppad;
+ }
+ g_return_if_fail((srcpad->direction == GST_PAD_SRC) &&
+ (sinkpad->direction == GST_PAD_SINK));
+
+ /* first set peers */
+ srcpad->peer = sinkpad;
+ sinkpad->peer = srcpad;
+
+ /* now copy the chain pointer from sink to src */
+ srcpad->chain = sinkpad->chain;
+
+ /* set the connected flag */
+ /* FIXME: set connected flag */
+}
+
+void gst_pad_set_parent(GstPad *pad,GstObject *parent) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(pad->parent == NULL);
+ g_return_if_fail(parent != NULL);
+ g_return_if_fail(GTK_IS_OBJECT(parent));
+ g_return_if_fail((gpointer)pad != (gpointer)parent);
+
+ pad->parent = parent;
+}
+
+void gst_pad_add_ghost_parent(GstPad *pad,GstObject *parent) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(parent != NULL);
+ g_return_if_fail(GTK_IS_OBJECT(parent));
+
+ pad->ghostparents = g_list_prepend(pad->ghostparents,parent);
+}
+
+
+void gst_pad_remove_ghost_parent(GstPad *pad,GstObject *parent) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(parent != NULL);
+ g_return_if_fail(GTK_IS_OBJECT(parent));
+
+ pad->ghostparents = g_list_remove(pad->ghostparents,parent);
+}
+
+GstObject *gst_pad_get_parent(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->parent;
+}
+
+GList *gst_pad_get_ghost_parents(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->ghostparents;
+}
+
+guint32 gst_pad_get_type_id(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->type;
+}
+
+void gst_pad_set_type_id(GstPad *pad,guint16 id) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(gst_type_find_by_id(id) != NULL);
+
+ pad->type = id;
+}
+
+GstPad *gst_pad_get_peer(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->peer;
+}
+
+GstPadDirection gst_pad_get_directory(GstPad *pad) {
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+
+ return pad->direction;
+}
+
+static void gst_pad_real_destroy(GtkObject *object) {
+ GstPad *pad = GST_PAD(object);
+
+// g_print("in gst_pad_real_destroy()\n");
+
+ if (pad->name)
+ g_free(pad->name);
+ g_list_free(pad->ghostparents);
+}
+
+xmlNodePtr gst_pad_save_thyself(GstPad *pad,xmlNodePtr parent) {
+ xmlNodePtr self;
+ GstPad *peer;
+
+ self = xmlNewChild(parent,NULL,"pad",NULL);
+ xmlNewChild(self,NULL,"name",pad->name);
+ if (pad->peer != NULL) {
+ peer = pad->peer;
+ // first check to see if the peer's parent's parent is the same
+ if (pad->parent->parent == peer->parent->parent)
+ // we just save it off
+ xmlNewChild(self,NULL,"peer",g_strdup_printf("%s.%s",
+ GST_ELEMENT(peer->parent)->name,peer->name));
+ } else
+ xmlNewChild(self,NULL,"peer","");
+
+ return self;
+}
+
+xmlNodePtr gst_pad_ghost_save_thyself(GstPad *pad,GstElement *bin,xmlNodePtr parent) {
+ xmlNodePtr self;
+ GstPad *peer;
+
+ self = xmlNewChild(parent,NULL,"ghostpad",NULL);
+ xmlNewChild(self,NULL,"name",pad->name);
+ xmlNewChild(self,NULL,"parent",GST_ELEMENT(pad->parent)->name);
+
+ return self;
+}
diff --git a/gst/gstpad.h b/gst/gstpad.h
new file mode 100644
index 0000000000..f2deeed39a
--- /dev/null
+++ b/gst/gstpad.h
@@ -0,0 +1,127 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_PAD_H__
+#define __GST_PAD_H__
+
+
+#include <gnome-xml/parser.h>
+#include <gst/gstobject.h>
+#include <gst/gstbuffer.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_PAD \
+ (gst_pad_get_type())
+#define GST_PAD(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_PAD,GstPad))
+#define GST_PAD_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_PAD,GstPadClass))
+#define GST_IS_PAD(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_PAD))
+#define GST_IS_PAD_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_PAD)))
+
+// quick test to see if the pad is connected
+#define GST_PAD_CONNECTED(pad) ((pad)->peer != NULL)
+
+typedef struct _GstPad GstPad;
+typedef struct _GstPadClass GstPadClass;
+
+/* this defines the functions used to chain buffers
+ * pad is the sink pad (so the same chain function can be used for N pads)
+ * buf is the buffer being passed */
+typedef void (*GstPadChainFunction) (GstPad *pad,GstBuffer *buf);
+typedef void (*GstPadPushFunction) (GstPad *pad);
+
+typedef enum {
+ GST_PAD_UNKNOWN,
+ GST_PAD_SRC,
+ GST_PAD_SINK,
+} GstPadDirection;
+
+//typedef enum {
+//} GstPadFlags;
+
+struct _GstPad {
+ GstObject object;
+
+ gchar *name;
+ guint16 type;
+
+ GstPadDirection direction;
+
+ GstPad *peer;
+
+ GstBuffer *bufpen;
+
+ GstPadChainFunction chain;
+
+ GstObject *parent;
+ GList *ghostparents;
+};
+
+struct _GstPadClass {
+ GstObjectClass parent_class;
+};
+
+GtkType gst_pad_get_type(void);
+GstPad *gst_pad_new(gchar *name,GstPadDirection direction);
+void gst_pad_destroy(GstPad *pad);
+
+GstPadDirection gst_pad_get_direction(GstPad *pad);
+void gst_pad_set_chain_function(GstPad *pad,GstPadChainFunction chain);
+
+guint32 gst_pad_get_type_id(GstPad *pad);
+void gst_pad_set_type_id(GstPad *pad,guint16 id);
+
+void gst_pad_set_name(GstPad *pad,gchar *name);
+gchar *gst_pad_get_name(GstPad *pad);
+#define gst_pad_destroy(pad) gst_object_destroy(GST_OBJECT(pad))
+
+GstPadDirection gst_pad_get_directory(GstPad *pad);
+
+void gst_pad_set_parent(GstPad *pad,GstObject *parent);
+void gst_pad_add_ghost_parent(GstPad *pad,GstObject *parent);
+void gst_pad_remove_ghost_parent(GstPad *pad,GstObject *parent);
+GstObject *gst_pad_get_parent(GstPad *pad);
+GList *gst_pad_get_ghost_parents(GstPad *pad);
+
+GstPad *gst_pad_get_peer(GstPad *pad);
+
+void gst_pad_connect(GstPad *srcpad,GstPad *sinkpad);
+
+void gst_pad_push(GstPad *pad,GstBuffer *buffer);
+GstBuffer *gst_pad_pull(GstPad *pad);
+
+xmlNodePtr gst_pad_save_thyself(GstPad *pad,xmlNodePtr parent);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_PAD_H__ */
+
diff --git a/gst/gstpipeline.c b/gst/gstpipeline.c
new file mode 100644
index 0000000000..54d9f6f45b
--- /dev/null
+++ b/gst/gstpipeline.c
@@ -0,0 +1,134 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstpipeline.h>
+
+GstElementDetails gst_pipeline_details = {
+ "Pipeline object",
+ "Bin",
+ "Complete pipeline object",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* Pipeline signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_pipeline_class_init(GstPipelineClass *klass);
+static void gst_pipeline_init(GstPipeline *pipeline);
+
+static gboolean gst_pipeline_change_state(GstElement *element,
+ GstElementState state);
+
+static void gst_pipeline_prepare(GstPipeline *pipeline);
+
+
+static GstBin *parent_class = NULL;
+static guint gst_pipeline_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_pipeline_get_type(void) {
+ static GtkType pipeline_type = 0;
+
+ if (!pipeline_type) {
+ static const GtkTypeInfo pipeline_info = {
+ "GstPipeline",
+ sizeof(GstPipeline),
+ sizeof(GstPipelineClass),
+ (GtkClassInitFunc)gst_pipeline_class_init,
+ (GtkObjectInitFunc)gst_pipeline_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ pipeline_type = gtk_type_unique(gst_bin_get_type(),&pipeline_info);
+ }
+ return pipeline_type;
+}
+
+static void
+gst_pipeline_class_init(GstPipelineClass *klass) {
+ GstElementClass *gstelement_class;
+
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = gtk_type_class(gst_bin_get_type());
+
+ gstelement_class->change_state = gst_pipeline_change_state;
+}
+
+static void gst_pipeline_init(GstPipeline *pipeline) {
+}
+
+GstPipeline *gst_pipeline_new(guchar *name) {
+ GstPipeline *pipeline;
+
+ pipeline = gtk_type_new(gst_pipeline_get_type());
+ gst_element_set_name(GST_ELEMENT(pipeline),name);
+ return pipeline;
+}
+
+static void gst_pipeline_prepare(GstPipeline *pipeline) {
+ g_print("preparing pipeline for playing\n");
+}
+
+
+static gboolean gst_pipeline_change_state(GstElement *element,
+ GstElementState state) {
+ GstPipeline *pipeline;
+
+ g_return_if_fail(GST_IS_PIPELINE(element));
+ pipeline = GST_PIPELINE(element);
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ /* we need to set up internal state */
+ g_print("preparing pipeline \"%s\" for iterations:\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ gst_pipeline_prepare(pipeline);
+ break;
+ case ~GST_STATE_RUNNING:
+ /* tear down the internal state */
+ g_print("tearing down pipelines's iteration state\n");
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ return GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+ return TRUE;
+}
+
+
+void gst_pipeline_iterate(GstPipeline *pipeline) {
+ g_return_if_fail(pipeline != NULL);
+ g_return_if_fail(GST_IS_PIPELINE(pipeline));
+}
diff --git a/gst/gstpipeline.h b/gst/gstpipeline.h
new file mode 100644
index 0000000000..589d02be8f
--- /dev/null
+++ b/gst/gstpipeline.h
@@ -0,0 +1,69 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_PIPELINE_H__
+#define __GST_PIPELINE_H__
+
+
+#include <gst/gstbin.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+GstElementDetails gst_pipeline_details;
+
+
+#define GST_TYPE_PIPELINE \
+ (gst_pipeline_get_type())
+#define GST_PIPELINE(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_PIPELINE,GstPipeline))
+#define GST_PIPELINE_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_PIPELINE,GstPipelineClass))
+#define GST_IS_PIPELINE(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_PIPELINE))
+#define GST_IS_PIPELINE_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPELINE)))
+
+typedef struct _GstPipeline GstPipeline;
+typedef struct _GstPipelineClass GstPipelineClass;
+
+struct _GstPipeline {
+ GstBin bin;
+};
+
+struct _GstPipelineClass {
+ GstBinClass parent_class;
+};
+
+GtkType gst_pipeline_get_type(void);
+GstPipeline *gst_pipeline_new(guchar *name);
+#define gst_pipeline_destroy(pipeline) gst_object_destroy(GST_OBJECT(pipeline))
+
+void gst_pipeline_iterate(GstPipeline *pipeline);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_PIPELINE_H__ */
+
diff --git a/gst/gstplugin.c b/gst/gstplugin.c
new file mode 100644
index 0000000000..c7ca3745af
--- /dev/null
+++ b/gst/gstplugin.c
@@ -0,0 +1,297 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include <gst/gstplugin.h>
+
+
+/* list of loaded modules and its sequence number */
+GList *_gst_modules;
+gint _gst_modules_seqno;
+/* global list of plugins and its sequence number */
+GList *_gst_plugins;
+gint _gst_plugins_seqno;
+/* list of paths to check for plugins */
+GList *_gst_plugin_paths;
+
+/* whether or not to spew library load issues */
+gboolean _gst_plugin_spew = FALSE;
+
+
+void _gst_plugin_initialize() {
+ _gst_modules = NULL;
+ _gst_modules_seqno = 0;
+ _gst_plugins = NULL;
+ _gst_plugins_seqno = 0;
+ _gst_plugin_paths = NULL;
+
+ /* add the main (installed) library path */
+ _gst_plugin_paths = g_list_prepend(_gst_plugin_paths,PLUGINS_DIR);
+
+ /* if this is set, we add build-directory paths to the list */
+#ifdef PLUGINS_USE_SRCDIR
+ /* the catch-all plugins directory */
+ _gst_plugin_paths = g_list_prepend(_gst_plugin_paths,
+ PLUGINS_SRCDIR "/plugins");
+ /* location libgstelements.so */
+ _gst_plugin_paths = g_list_prepend(_gst_plugin_paths,
+ PLUGINS_SRCDIR "/gst/elements");
+ _gst_plugin_paths = g_list_prepend(_gst_plugin_paths,
+ PLUGINS_SRCDIR "/gst/types");
+#endif /* PLUGINS_USE_SRCDIR */
+}
+
+static gboolean gst_plugin_load_recurse(gchar *directory,gchar *name) {
+ DIR *dir;
+ struct dirent *dirent;
+ gboolean loaded = FALSE;
+
+ dir = opendir(directory);
+ if (dir) {
+ while (dirent = readdir(dir)) {
+ /* don't want to recurse in place or backwards */
+ if (strcmp(dirent->d_name,".") && strcmp(dirent->d_name,"..")) {
+ gst_plugin_load_recurse(g_strjoin("/",directory,dirent->d_name,
+ NULL),name);
+ }
+ }
+ closedir(dir);
+ } else {
+ if (strstr(directory,".so")) {
+ gchar *temp;
+ if (name) {
+ if ((temp = strstr(directory,name)) &&
+ (!strcmp(temp,name))) {
+ gst_plugin_load_absolute(directory);
+ return TRUE;
+ }
+ } else if ((temp = strstr(directory,".so")) &&
+ (!strcmp(temp,".so"))) {
+ gst_plugin_load_absolute(directory);
+ loaded = TRUE;
+ }
+ }
+ }
+ return loaded;
+}
+
+/**
+ * gst_plugin_load_all:
+ *
+ * Load all plugins in the path.
+ */
+void gst_plugin_load_all() {
+ GList *path;
+
+ path = _gst_plugin_paths;
+ while (path != NULL) {
+ gst_plugin_load_recurse(path->data,NULL);
+ path = g_list_next(path);
+ }
+}
+
+/**
+ * gst_plugin_load:
+ * @name: name of plugin to load
+ *
+ * Load the named plugin. Name should be given as
+ * &quot;libplugin.so&quot;.
+ *
+ * Returns: whether the plugin was loaded or not
+ */
+gboolean gst_plugin_load(gchar *name) {
+ GList *path;
+ gchar *libspath;
+
+// g_print("attempting to load plugin '%s'\n",name);
+
+ path = _gst_plugin_paths;
+ while (path != NULL) {
+ if (gst_plugin_load_absolute(g_module_build_path(path->data,name)))
+ return TRUE;
+ libspath = g_strconcat(path->data,"/.libs",NULL);
+// g_print("trying to load '%s'\n",g_module_build_path(libspath,name));
+ if (gst_plugin_load_absolute(g_module_build_path(libspath,name))) {
+ g_free(libspath);
+ return TRUE;
+ }
+ g_free(libspath);
+// g_print("trying to load '%s' from '%s'\n",name,path->data);
+ if (gst_plugin_load_recurse(path->data,name)) {
+ return TRUE;
+ }
+ path = g_list_next(path);
+ }
+ return FALSE;
+}
+
+/**
+ * gst_plugin_load_absolute:
+ * @name: name of plugin to load
+ *
+ * Returns: whether or not the plugin loaded
+ */
+gboolean gst_plugin_load_absolute(gchar *name) {
+ GModule *module;
+ GstPluginInitFunc initfunc;
+ GstPlugin *plugin;
+
+// g_print("trying to load '%s\n",name);
+
+ if (g_module_supported() == FALSE) {
+ g_print("wow, you built this on a platform without dynamic loading???\n");
+ return;
+ }
+
+ module = g_module_open(name,0);
+ if (module != NULL) {
+ if (g_module_symbol(module,"plugin_init",(gpointer *)&initfunc)) {
+ if (plugin = (initfunc)(module)) {
+ GList *factories;
+ plugin->filename = g_strdup(name);
+ _gst_modules = g_list_append(_gst_modules,module);
+ _gst_modules_seqno++;
+ _gst_plugins = g_list_append(_gst_plugins,plugin);
+ _gst_plugins_seqno++;
+ factories = plugin->elements;
+ while (factories) {
+ gst_elementfactory_register((GstElementFactory*)(factories->data));
+ factories = g_list_next(factories);
+ }
+ return TRUE;
+ }
+ }
+ } else if (_gst_plugin_spew) {
+// if (strstr(g_module_error(),"No such") == NULL)
+ gst_info("error loading plugin: %s\n",g_module_error());
+ }
+
+ return FALSE;
+}
+
+/**
+ * gst_plugin_new:
+ * @name: name of new plugin
+ *
+ * Create a new plugin with given name.
+ *
+ * Returns: new plugin
+ */
+GstPlugin *gst_plugin_new(gchar *name) {
+ GstPlugin *plugin = (GstPlugin *)malloc(sizeof(GstPlugin));
+
+ plugin->name = g_strdup(name);
+ plugin->longname = NULL;
+ plugin->types = NULL;
+ plugin->elements = NULL;
+
+ return plugin;
+}
+
+/**
+ * gst_plugin_set_longname:
+ * @plugin: plugin to set long name of
+ * @longname: new long name
+ *
+ * Sets the long name (should be descriptive) of the plugin.
+ */
+void gst_plugin_set_longname(GstPlugin *plugin,gchar *longname) {
+ g_return_if_fail(plugin != NULL);
+
+ if (plugin->longname) g_free(plugin->longname);
+ plugin->longname = g_strdup(longname);
+}
+
+/**
+ * gst_plugin_find:
+ * @name: name of plugin to find
+ *
+ * Search the list of registered plugins for one of the given name
+ *
+ * Returns: pointer to the #GstPlugin if found, NULL otherwise
+ */
+GstPlugin *gst_plugin_find(gchar *name) {
+ GList *plugins = _gst_plugins;
+
+ g_return_if_fail(name != NULL);
+
+ while (plugins) {
+ GstPlugin *plugin = (GstPlugin *)plugins->data;
+// g_print("plugin name is '%s'\n",plugin->name);
+ if (plugin->name) {
+ if (!strcmp(plugin->name,name))
+ return plugin;
+ }
+ plugins = g_list_next(plugins);
+ }
+ return NULL;
+}
+
+/**
+ * gst_plugin_find_elementfactory:
+ * @name: name of elementfactory to find
+ *
+ * Find a registered elementfactory by name.
+ *
+ * Returns: @GstElementFactory if found, NULL if not
+ */
+GstElementFactory *gst_plugin_find_elementfactory(gchar *name) {
+ GList *plugins, *factories;
+ GstElementFactory *factory;
+
+ g_return_if_fail(name != NULL);
+
+ plugins = _gst_plugins;
+ while (plugins) {
+ factories = ((GstPlugin *)(plugins->data))->elements;
+ while (factories) {
+ factory = (GstElementFactory*)(factories->data);
+ if (!strcmp(gst_element_get_name(GST_ELEMENT(factory)),name))
+ return (GstElementFactory*)(factory);
+ factories = g_list_next(factories);
+ }
+ plugins = g_list_next(plugins);
+ }
+
+ return NULL;
+}
+
+/**
+ * gst_plugin_add_factory:
+ * @plugin: plugin to add factory to
+ * @factory: factory to add
+ *
+ * Add factory to the list of those provided by the element.
+ */
+void gst_plugin_add_factory(GstPlugin *plugin,GstElementFactory *factory) {
+ g_return_if_fail(plugin != NULL);
+ g_return_if_fail(factory != NULL);
+
+// g_print("adding factory to plugin\n");
+ plugin->elements = g_list_append(plugin->elements,factory);
+}
+
+GList *gst_plugin_get_list() {
+ return _gst_plugins;
+}
diff --git a/gst/gstplugin.h b/gst/gstplugin.h
new file mode 100644
index 0000000000..164ca85b69
--- /dev/null
+++ b/gst/gstplugin.h
@@ -0,0 +1,63 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_PLUGIN_H__
+#define __GST_PLUGIN_H__
+
+
+#include <gmodule.h>
+
+#include <gst/gsttype.h>
+#include <gst/gstelement.h>
+
+#include "config.h"
+
+
+typedef struct _GstPlugin GstPlugin;
+typedef struct _GstPluginElement GstPluginElement;
+
+struct _GstPlugin {
+ gchar *name; /* name of the plugin */
+ gchar *longname; /* long name of plugin */
+ gchar *filename; /* filename it came from */
+
+ GList *types; /* list of types provided */
+ GList *elements; /* list of elements provided */
+ GList *identifiers; /* list of identifiers */
+};
+
+
+typedef GstPlugin * (*GstPluginInitFunc) (GModule *module);
+
+GstPlugin *gst_plugin_new(gchar *name);
+void gst_plugin_set_longname(GstPlugin *plugin,gchar *longname);
+
+void gst_plugin_init();
+void gst_plugin_load_all();
+gboolean gst_plugin_load(gchar *name);
+gboolean gst_plugin_load_absolute(gchar *name);
+
+void gst_plugin_add_factory(GstPlugin *plugin,GstElementFactory *factory);
+
+GstPlugin *gst_plugin_find(gchar *name);
+GList *gst_plugin_get_list();
+GstElementFactory *gst_plugin_find_elementfactory(gchar *name);
+
+#endif /* __GST_PLUGIN_H__ */
diff --git a/gst/gstsink.c b/gst/gstsink.c
new file mode 100644
index 0000000000..26de07ee27
--- /dev/null
+++ b/gst/gstsink.c
@@ -0,0 +1,79 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstsink.h>
+
+
+/* Sink signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_sink_class_init(GstSinkClass *klass);
+static void gst_sink_init(GstSink *sink);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_sink_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_sink_get_type(void) {
+ static GtkType sink_type = 0;
+
+ if (!sink_type) {
+ static const GtkTypeInfo sink_info = {
+ "GstSink",
+ sizeof(GstSink),
+ sizeof(GstSinkClass),
+ (GtkClassInitFunc)gst_sink_class_init,
+ (GtkObjectInitFunc)gst_sink_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ sink_type = gtk_type_unique(GST_TYPE_ELEMENT,&sink_info);
+ }
+ return sink_type;
+}
+
+static void
+gst_sink_class_init(GstSinkClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+}
+
+static void gst_sink_init(GstSink *sink) {
+}
+
+GstObject *gst_sink_new(gchar *name) {
+ GstObject *sink = GST_OBJECT(gtk_type_new(GST_TYPE_SINK));
+ gst_element_set_name(GST_ELEMENT(sink),name);
+ return sink;
+}
diff --git a/gst/gstsink.h b/gst/gstsink.h
new file mode 100644
index 0000000000..44c3f7ab35
--- /dev/null
+++ b/gst/gstsink.h
@@ -0,0 +1,64 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SINK_H__
+#define __GST_SINK_H__
+
+
+#include <gst/gstelement.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_SINK \
+ (gst_sink_get_type())
+#define GST_SINK(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_SINK,GstSink))
+#define GST_SINK_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_SINK,GstSinkClass))
+#define GST_IS_SINK(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_SINK))
+#define GST_IS_SINK_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_SINK)))
+
+typedef struct _GstSink GstSink;
+typedef struct _GstSinkClass GstSinkClass;
+
+struct _GstSink {
+ GstElement element;
+};
+
+struct _GstSinkClass {
+ GstElementClass parent_class;
+};
+
+GtkType gst_sink_get_type(void);
+GstObject *gst_sink_new(gchar *name);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_SINK_H__ */
diff --git a/gst/gstsrc.c b/gst/gstsrc.c
new file mode 100644
index 0000000000..472cd29be0
--- /dev/null
+++ b/gst/gstsrc.c
@@ -0,0 +1,122 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+
+/* Src signals and args */
+enum {
+ EOS,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_src_class_init(GstSrcClass *klass);
+static void gst_src_init(GstSrc *src);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_src_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_src_get_type(void) {
+ static GtkType src_type = 0;
+
+ if (!src_type) {
+ static const GtkTypeInfo src_info = {
+ "GstSrc",
+ sizeof(GstSrc),
+ sizeof(GstSrcClass),
+ (GtkClassInitFunc)gst_src_class_init,
+ (GtkObjectInitFunc)gst_src_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ src_type = gtk_type_unique(GST_TYPE_ELEMENT,&src_info);
+ }
+ return src_type;
+}
+
+static void
+gst_src_class_init(GstSrcClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+
+ gst_src_signals[EOS] =
+ gtk_signal_new("eos",GTK_RUN_LAST,gtkobject_class->type,
+ GTK_SIGNAL_OFFSET(GstSrcClass,eos),
+ gtk_marshal_NONE__POINTER,GTK_TYPE_NONE,1,
+ GTK_TYPE_POINTER);
+ gtk_object_class_add_signals(gtkobject_class,gst_src_signals,LAST_SIGNAL);
+}
+
+static void gst_src_init(GstSrc *src) {
+ src->flags = 0;
+}
+
+void gst_src_signal_eos(GstSrc *src) {
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_SRC(src));
+
+ gtk_signal_emit(GTK_OBJECT(src),gst_src_signals[EOS],src);
+}
+
+void gst_src_push(GstSrc *src) {
+ GstSrcClass *oclass;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_SRC(src));
+
+ oclass = (GstSrcClass *)(GTK_OBJECT(src)->klass);
+
+ g_return_if_fail(oclass->push != NULL);
+
+ (oclass->push)(src);
+}
+
+/**
+ * gst_src_push_region:
+ * @src: source to trigger the push of
+ * @offset: offset in source
+ * @size: number of bytes to push
+ *
+ * Push a buffer of a given size from the source.
+ */
+void gst_src_push_region(GstSrc *src,gulong offset,gulong size) {
+ GstSrcClass *oclass;
+
+ g_return_if_fail(src != NULL);
+ g_return_if_fail(GST_IS_SRC(src));
+
+ oclass = (GstSrcClass *)(GTK_OBJECT(src)->klass);
+
+ g_return_if_fail(oclass->push_region != NULL);
+
+ (oclass->push_region)(src,offset,size);
+}
+
diff --git a/gst/gstsrc.h b/gst/gstsrc.h
new file mode 100644
index 0000000000..75405efd0d
--- /dev/null
+++ b/gst/gstsrc.h
@@ -0,0 +1,86 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SRC_H__
+#define __GST_SRC_H__
+
+
+#include <gst/gstelement.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_SRC \
+ (gst_src_get_type())
+#define GST_SRC(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_SRC,GstSrc))
+#define GST_SRC_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_SRC,GstSrcClass))
+#define GST_IS_SRC(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_SRC))
+#define GST_IS_SRC_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_SRC)))
+
+typedef enum {
+ GST_SRC_ASYNC = 1 << 0,
+} GstSrcFlags;
+
+#define GST_SRC_FLAGS(obj) (GST_SRC(obj)->flags)
+#define GST_SRC_ASYNC(obj) ((GST_SRC_FLAGS(obj) & GST_SRC_ASYNC)
+
+typedef struct _GstSrc GstSrc;
+typedef struct _GstSrcClass GstSrcClass;
+
+struct _GstSrc {
+ GstElement element;
+ gint32 flags;
+};
+
+struct _GstSrcClass {
+ GstElementClass parent_class;
+
+ /* subclass functions */
+ void (*push) (GstSrc *src);
+ void (*push_region) (GstSrc *src,gulong offset,gulong size);
+
+ /* signals */
+ void (*eos) (GstSrc *src);
+};
+
+#define GST_SRC_SET_FLAGS(src,flag) G_STMT_START{ (GST_SRC_FLAGS (src) |= (flag)); }G_STMT_END
+#define GST_SRC_UNSET_FLAGS(src,flag) G_STMT_START{ (GST_SRC_FLAGS (src) &= ~(flag)); }G_STMT_END
+
+
+GtkType gst_src_get_type(void);
+
+void gst_src_signal_eos(GstSrc *src);
+
+void gst_src_push(GstSrc *src);
+void gst_src_push_region(GstSrc *src,gulong offset,gulong size);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_SRC_H__ */
diff --git a/gst/gsttee.c b/gst/gsttee.c
new file mode 100644
index 0000000000..13ceaefa62
--- /dev/null
+++ b/gst/gsttee.c
@@ -0,0 +1,130 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gsttee.h>
+
+
+GstElementDetails gst_tee_details = {
+ "Tee pipe fitting",
+ "Tee",
+ "1ot-N pipe fitting",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+/* Tee signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_tee_class_init(GstTeeClass *klass);
+static void gst_tee_init(GstTee *tee);
+
+static xmlNodePtr gst_tee_save_thyself(GstElement *element,xmlNodePtr parent);
+
+
+static GstFilterClass *parent_class = NULL;
+static guint gst_tee_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_tee_get_type(void) {
+ static GtkType tee_type = 0;
+
+ if (!tee_type) {
+ static const GtkTypeInfo tee_info = {
+ "GstTee",
+ sizeof(GstTee),
+ sizeof(GstTeeClass),
+ (GtkClassInitFunc)gst_tee_class_init,
+ (GtkObjectInitFunc)gst_tee_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ tee_type = gtk_type_unique(GST_TYPE_FILTER,&tee_info);
+ }
+ return tee_type;
+}
+
+static void
+gst_tee_class_init(GstTeeClass *klass) {
+ GstFilterClass *gstfilter_class;
+
+ gstfilter_class = (GstFilterClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_FILTER);
+}
+
+static void gst_tee_init(GstTee *tee) {
+ tee->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
+ gst_element_add_pad(GST_ELEMENT(tee),tee->sinkpad);
+ gst_pad_set_chain_function(tee->sinkpad,gst_tee_chain);
+
+ tee->numsrcpads = 0;
+ tee->srcpads = NULL;
+}
+
+GstElement *gst_tee_new(gchar *name) {
+ GstElement *tee = GST_ELEMENT(gtk_type_new(GST_TYPE_TEE));
+ gst_element_set_name(GST_ELEMENT(tee),name);
+ return tee;
+}
+
+gchar *gst_tee_new_pad(GstTee *tee) {
+ gchar *name;
+ GstPad *srcpad;
+
+ g_return_if_fail(tee != NULL);
+ g_return_if_fail(GST_IS_TEE(tee));
+
+ name = g_strdup_printf("src%d",tee->numsrcpads);
+ srcpad = gst_pad_new(name,GST_PAD_SRC);
+ gst_element_add_pad(GST_ELEMENT(tee),srcpad);
+ tee->srcpads = g_slist_prepend(tee->srcpads,srcpad);
+ tee->numsrcpads++;
+ return name;
+}
+
+void gst_tee_chain(GstPad *pad,GstBuffer *buf) {
+ GstTee *tee;
+ GSList *srcpads;
+ int i;
+
+ g_return_if_fail(pad != NULL);
+ g_return_if_fail(GST_IS_PAD(pad));
+ g_return_if_fail(buf != NULL);
+
+ tee = GST_TEE(pad->parent);
+ gst_trace_add_entry(NULL,0,buf,"tee buffer");
+ for (i=0;i<tee->numsrcpads-1;i++)
+ gst_buffer_ref(buf);
+ srcpads = tee->srcpads;
+ while (srcpads) {
+ gst_pad_push(GST_PAD(srcpads->data),buf);
+ srcpads = g_slist_next(srcpads);
+ }
+}
diff --git a/gst/gsttee.h b/gst/gsttee.h
new file mode 100644
index 0000000000..1953325bb3
--- /dev/null
+++ b/gst/gsttee.h
@@ -0,0 +1,70 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_TEE_H__
+#define __GST_TEE_H__
+
+
+#include <gst/gstfilter.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_TEE \
+ (gst_tee_get_type())
+#define GST_TEE(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_TEE,GstTee))
+#define GST_TEE_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_TEE,GstTeeClass))
+#define GST_IS_TEE(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_TEE))
+#define GST_IS_TEE_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_TEE)))
+
+typedef struct _GstTee GstTee;
+typedef struct _GstTeeClass GstTeeClass;
+
+struct _GstTee {
+ GstFilter filter;
+
+ GstPad *sinkpad;
+
+ gint numsrcpads;
+ GSList *srcpads;
+};
+
+struct _GstTeeClass {
+ GstFilterClass parent_class;
+};
+
+GtkType gst_tee_get_type(void);
+GstElement *gst_tee_new(gchar *name);
+void gst_tee_chain(GstPad *pad,GstBuffer *buf);
+gchar *gst_tee_new_pad(GstTee *tee);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_TEE_H__ */
diff --git a/gst/gstthread.c b/gst/gstthread.c
new file mode 100644
index 0000000000..001dd684f5
--- /dev/null
+++ b/gst/gstthread.c
@@ -0,0 +1,332 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstthread.h>
+
+GstElementDetails gst_thread_details = {
+ "Threaded container",
+ "Bin",
+ "Container that creates/manages a thread",
+ VERSION,
+ "Erik Walthinsen <omega@cse.ogi.edu>",
+ "(C) 1999",
+};
+
+
+/* Thread signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_CREATE_THREAD,
+};
+
+
+static void gst_thread_class_init(GstThreadClass *klass);
+static void gst_thread_init(GstThread *thread);
+
+static void gst_thread_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_thread_get_arg(GtkObject *object,GtkArg *arg,guint id);
+static gboolean gst_thread_change_state(GstElement *element,
+ GstElementState state);
+
+static xmlNodePtr gst_thread_save_thyself(GstElement *element,xmlNodePtr parent);
+
+static void gst_thread_prepare(GstThread *thread);
+static void gst_thread_signal_thread(GstThread *thread);
+
+
+static GstBin *parent_class = NULL;
+static guint gst_thread_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_thread_get_type(void) {
+ static GtkType thread_type = 0;
+
+ if (!thread_type) {
+ static const GtkTypeInfo thread_info = {
+ "GstThread",
+ sizeof(GstThread),
+ sizeof(GstThreadClass),
+ (GtkClassInitFunc)gst_thread_class_init,
+ (GtkObjectInitFunc)gst_thread_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ thread_type = gtk_type_unique(gst_bin_get_type(),&thread_info);
+ }
+ return thread_type;
+}
+
+static void
+gst_thread_class_init(GstThreadClass *klass) {
+ GtkObjectClass *gtkobject_class;
+ GstObjectClass *gstobject_class;
+ GstElementClass *gstelement_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+ gstobject_class = (GstObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = gtk_type_class(gst_bin_get_type());
+
+ gtk_object_add_arg_type("GstThread::create_thread", GTK_TYPE_BOOL,
+ GTK_ARG_READWRITE, ARG_CREATE_THREAD);
+
+ gstelement_class->change_state = gst_thread_change_state;
+// gstelement_class->save_thyself = gst_thread_save_thyself;
+
+ gtkobject_class->set_arg = gst_thread_set_arg;
+ gtkobject_class->get_arg = gst_thread_get_arg;
+}
+
+static void gst_thread_init(GstThread *thread) {
+ GST_FLAG_SET(thread,GST_THREAD_CREATE);
+
+ thread->entries = NULL;
+ thread->numentries = 0;
+
+ thread->lock = g_mutex_new();
+ thread->cond = g_cond_new();
+}
+
+static void gst_thread_set_arg(GtkObject *object,GtkArg *arg,guint id) {
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_THREAD(object));
+
+ switch(id) {
+ case ARG_CREATE_THREAD:
+ if (GTK_VALUE_BOOL(*arg)) {
+ gst_info("turning ON the creation of the thread\n");
+ GST_FLAG_SET(object,GST_THREAD_CREATE);
+ gst_info("flags are 0x%08x\n",GST_FLAGS(object));
+ } else {
+ gst_info("turning OFF the creation of the thread\n");
+ GST_FLAG_UNSET(object,GST_THREAD_CREATE);
+ gst_info("flags are 0x%08x\n",GST_FLAGS(object));
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void gst_thread_get_arg(GtkObject *object,GtkArg *arg,guint id) {
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_THREAD(object));
+
+ switch(id) {
+ case ARG_CREATE_THREAD:
+ GTK_VALUE_BOOL(*arg) = GST_FLAG_IS_SET(object,GST_THREAD_CREATE);
+ break;
+ default:
+ break;
+ }
+}
+
+
+GstElement *gst_thread_new(guchar *name) {
+ GstThread *thread;
+
+ thread = gtk_type_new(gst_thread_get_type());
+ gst_element_set_name(GST_ELEMENT(thread),name);
+ return GST_ELEMENT(thread);
+}
+
+
+static void gst_thread_prepare(GstThread *thread) {
+ GList *elements;
+ GstElement *element;
+ GList *pads;
+ GstPad *pad, *peer;
+ GstElement *outside;
+
+ thread->numentries = 0;
+
+ /* first we need to find all the entry points into the thread */
+ elements = GST_BIN(thread)->children;
+ while (elements) {
+ element = GST_ELEMENT(elements->data);
+ if (GST_IS_SRC(element)) {
+ gst_info("element \"%s\" is a source entry point for the thread\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ thread->entries = g_list_prepend(thread->entries,element);
+ thread->numentries++;
+ } else {
+ /* go through the list of pads to see if there's a Connection */
+ pads = gst_element_get_pad_list(element);
+ while (pads) {
+ pad = GST_PAD(pads->data);
+ /* we only worry about sink pads */
+ if (gst_pad_get_direction(pad) == GST_PAD_SINK) {
+ /* get the pad's peer */
+ peer = gst_pad_get_peer(pad);
+ if (!peer) break;
+ /* get the parent of the peer of the pad */
+ outside = GST_ELEMENT(gst_pad_get_parent(peer));
+ if (!outside) break;
+ /* if it's a connection and it's not ours... */
+ if (GST_IS_CONNECTION(outside) &&
+ (gst_object_get_parent(GST_OBJECT(outside)) != GST_OBJECT(thread))) {
+ gst_info("element \"%s\" is the external source Connection \
+for internal element \"%s\"\n",
+ gst_element_get_name(GST_ELEMENT(outside)),
+ gst_element_get_name(GST_ELEMENT(element)));
+ thread->entries = g_list_prepend(thread->entries,outside);
+ thread->numentries++;
+ }
+ }
+ pads = g_list_next(pads);
+ }
+ }
+ elements = g_list_next(elements);
+ }
+ gst_info("have %d entries into thread\n",thread->numentries);
+}
+
+
+static gboolean gst_thread_change_state(GstElement *element,
+ GstElementState state) {
+ GstThread *thread;
+ gboolean stateset = TRUE;
+
+ g_return_if_fail(GST_IS_THREAD(element));
+ thread = GST_THREAD(element);
+
+ if (GST_ELEMENT_CLASS(parent_class)->change_state)
+ stateset = GST_ELEMENT_CLASS(parent_class)->change_state(element,state);
+
+ switch (state) {
+ case GST_STATE_RUNNING:
+ if (!stateset) return FALSE;
+ /* we want to prepare our internal state for doing the iterations */
+ gst_info("preparing thread \"%s\" for iterations:\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ gst_thread_prepare(thread);
+ if (thread->numentries == 0)
+ return FALSE;
+ /* set the state to idle */
+ GST_FLAG_UNSET(thread,GST_THREAD_STATE_SPINNING);
+ /* create the thread if that's what we're supposed to do */
+ gst_info("flags are 0x%08x\n",GST_FLAGS(thread));
+ if (GST_FLAG_IS_SET(thread,GST_THREAD_CREATE)) {
+ gst_info("starting thread \"%s\"\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ pthread_create(&thread->thread_id,NULL,
+ gst_thread_main_loop,thread);
+ } else {
+ gst_info("NOT starting thread \"%s\"\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ }
+ return TRUE;
+ break;
+ case ~GST_STATE_RUNNING:
+ /* stop, reap, and join the thread */
+ GST_FLAG_UNSET(thread,GST_THREAD_STATE_SPINNING);
+ GST_FLAG_SET(thread,GST_THREAD_STATE_REAPING);
+ gst_thread_signal_thread(thread);
+ pthread_join(thread->thread_id,0);
+ /* tear down the internal state */
+ gst_info("tearing down thread's iteration state\n");
+ /* FIXME do stuff */
+ break;
+ case GST_STATE_PLAYING:
+ if (!stateset) return FALSE;
+ gst_info("starting thread \"%s\"\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ GST_FLAG_SET(thread,GST_THREAD_STATE_SPINNING);
+ gst_thread_signal_thread(thread);
+ return TRUE;
+ break;
+ case ~GST_STATE_PLAYING:
+ gst_info("stopping thread \"%s\"\n",
+ gst_element_get_name(GST_ELEMENT(element)));
+ GST_FLAG_UNSET(thread,GST_THREAD_STATE_SPINNING);
+ gst_thread_signal_thread(thread);
+ break;
+ default:
+ break;
+ }
+
+ return stateset;
+}
+
+
+void *gst_thread_main_loop(void *arg) {
+ GstThread *thread = GST_THREAD(arg);
+
+ gst_info("HI, IN MAIN THREAD LOOP!\n");
+
+ while(!GST_FLAG_IS_SET(thread,GST_THREAD_STATE_REAPING)) {
+ if (GST_FLAG_IS_SET(thread,GST_THREAD_STATE_SPINNING))
+ gst_thread_iterate(thread);
+ else {
+ g_mutex_lock(thread->lock);
+ g_cond_wait(thread->cond,thread->lock);
+ g_mutex_unlock(thread->lock);
+ }
+ }
+
+ GST_FLAG_UNSET(thread,GST_THREAD_STATE_REAPING);
+
+ gst_info("GOODBYE, LEAVING MAIN THREAD LOOP!\n");
+ return NULL;
+}
+
+void gst_thread_iterate(GstThread *thread) {
+ GList *entries;
+ GstElement *entry;
+
+ g_return_if_fail(thread != NULL);
+ g_return_if_fail(GST_IS_THREAD(thread));
+// g_return_if_fail(GST_FLAG_IS_SET(thread,GST_STATE_RUNNING));
+ g_return_if_fail(thread->numentries > 0);
+
+ entries = thread->entries;
+
+ while (entries) {
+ entry = GST_ELEMENT(entries->data);
+ if (GST_IS_SRC(entry))
+ gst_src_push(GST_SRC(entry));
+ else if (GST_IS_CONNECTION(entry))
+ gst_connection_push(GST_CONNECTION(entry));
+ else
+ g_assert_not_reached();
+ entries = g_list_next(entries);
+ }
+// g_print(",");
+}
+
+static void gst_thread_signal_thread(GstThread *thread) {
+ g_mutex_lock(thread->lock);
+ g_cond_signal(thread->cond);
+ g_mutex_unlock(thread->lock);
+}
+
+static xmlNodePtr gst_thread_save_thyself(GstElement *element,xmlNodePtr parent) {
+ GstThread *thread = GST_THREAD(element);
+ xmlNewChild(parent,NULL,"type","thread");
+
+ if (GST_ELEMENT_CLASS(parent_class)->save_thyself)
+ GST_ELEMENT_CLASS(parent_class)->save_thyself(element,parent);
+}
diff --git a/gst/gstthread.h b/gst/gstthread.h
new file mode 100644
index 0000000000..fffd6f5f92
--- /dev/null
+++ b/gst/gstthread.h
@@ -0,0 +1,84 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_THREAD_H__
+#define __GST_THREAD_H__
+
+
+#include <gst/gstbin.h>
+#include <pthread.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+GstElementDetails gst_thread_details;
+
+
+typedef enum {
+ GST_THREAD_CREATE = (1 << 16),
+ GST_THREAD_STATE_SPINNING = (1 << 17),
+ GST_THREAD_STATE_REAPING = (1 << 18),
+} GstThreadState;
+
+
+#define GST_TYPE_THREAD \
+ (gst_thread_get_type())
+#define GST_THREAD(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_THREAD,GstThread))
+#define GST_THREAD_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_THREAD,GstThreadClass))
+#define GST_IS_THREAD(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_THREAD))
+#define GST_IS_THREAD_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_THREAD)))
+
+typedef struct _GstThread GstThread;
+typedef struct _GstThreadClass GstThreadClass;
+
+struct _GstThread {
+ GstBin bin;
+
+ GList *entries; /* used to determine iterate behavior */
+ gint numentries; /* number of above entry points */
+
+ pthread_t thread_id; /* id of the thread, if any */
+ GMutex *lock; /* thread lock/condititon pair... */
+ GCond *cond; /* used to control the thread */
+};
+
+struct _GstThreadClass {
+ GstBinClass parent_class;
+};
+
+GtkType gst_thread_get_type(void);
+GstElement *gst_thread_new(guchar *name);
+
+void *gst_thread_main_loop(void *arg);
+void gst_thread_iterate(GstThread *thread);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_THREAD_H__ */
+
diff --git a/gst/gsttrace.c b/gst/gsttrace.c
new file mode 100644
index 0000000000..cbb5dcb033
--- /dev/null
+++ b/gst/gsttrace.c
@@ -0,0 +1,103 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <glib.h>
+#include <gst/gsttrace.h>
+
+__inline__ void read_tsc(guint64 *dst) {
+ __asm__ __volatile__
+ ("rdtsc"
+ : "=a" (*(guint32 *)dst), "=d" (*(((guint32 *)dst) + 1))
+ :
+ : "eax", "edx");
+}
+
+void gst_trace_read_tsc(guint64 *dst) {
+ read_tsc(dst);
+}
+
+GstTrace *_gst_trace_default = NULL;
+gint _gst_trace_on = 1;
+
+GstTrace *gst_trace_new(guchar *filename,gint size) {
+ GstTrace *trace = g_malloc(sizeof(GstTrace));
+
+ g_return_val_if_fail(trace != NULL,NULL);
+ trace->filename = g_strdup(filename);
+ g_print("opening '%s'\n",trace->filename);
+ trace->fd = open(trace->filename,O_RDWR|O_CREAT|O_TRUNC,S_IRUSR|S_IWUSR);
+ perror("opening trace file");
+ g_return_val_if_fail(trace->fd > 0,NULL);
+ trace->buf = g_malloc(size * sizeof(GstTraceEntry));
+ g_return_val_if_fail(trace->buf != NULL,NULL);
+ trace->bufsize = size;
+ trace->bufoffset = 0;
+
+ return trace;
+}
+
+void gst_trace_destroy(GstTrace *trace) {
+ g_return_if_fail(trace != NULL);
+ g_return_if_fail(trace->buf != NULL);
+
+ if (gst_trace_get_remaining(trace) > 0)
+ gst_trace_flush(trace);
+ close(trace->fd);
+ g_free(trace->buf);
+ g_free(trace);
+}
+
+void gst_trace_flush(GstTrace *trace) {
+ if (!trace) {
+ trace = _gst_trace_default;
+ if (!trace ) return;
+ }
+
+ write(trace->fd,trace->buf,trace->bufoffset * sizeof(GstTraceEntry));
+ trace->bufoffset = 0;
+}
+
+void gst_trace_set_default(GstTrace *trace) {
+ g_return_if_fail(trace != NULL);
+ _gst_trace_default = trace;
+}
+
+void _gst_trace_add_entry(GstTrace *trace,guint32 seq,guint32 data,gchar *msg) {
+ GstTraceEntry *entry;
+ if (!trace) {
+ trace = _gst_trace_default;
+ if (!trace ) return;
+ }
+
+ entry = trace->buf + trace->bufoffset;
+ read_tsc(&(entry->timestamp));
+ entry->sequence = seq;
+ entry->data = data;
+ strncpy(entry->message,msg,112);
+ trace->bufoffset++;
+
+ gst_trace_flush(trace);
+}
diff --git a/gst/gsttrace.h b/gst/gsttrace.h
new file mode 100644
index 0000000000..0fdbabf4c5
--- /dev/null
+++ b/gst/gsttrace.h
@@ -0,0 +1,69 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_TRACE_H__
+#define __GST_TRACE_H__
+
+void gst_trace_read_tsc(guint64 *dst);
+
+typedef struct _GstTrace GstTrace;
+typedef struct _GstTraceEntry GstTraceEntry;
+
+struct _GstTrace {
+ /* where this trace is going */
+ gchar *filename;
+ int fd;
+
+ /* current buffer, size, head offset */
+ GstTraceEntry *buf;
+ gint bufsize;
+ gint bufoffset;
+};
+
+struct _GstTraceEntry {
+ guint64 timestamp;
+ guint32 sequence;
+ guint32 data;
+ gchar message[112];
+};
+
+GstTrace *gst_trace_new(guchar *filename,gint size);
+void gst_trace_destroy(GstTrace *trace);
+void gst_trace_flush(GstTrace *trace);
+#define gst_trace_get_size(trace) ((trace)->bufsize)
+#define gst_trace_get_offset(trace) ((trace)->bufoffset)
+#define gst_trace_get_remaining(trace) ((trace)->bufsize - (trace)->bufoffset)
+void gst_trace_set_default(GstTrace *trace);
+
+void _gst_trace_add_entry(GstTrace *trace,guint32 seq,guint32 data,gchar *msg);
+
+#define TRACE_ENABLE
+
+#ifdef TRACE_ENABLE
+extern gint _gst_trace_on;
+#define gst_trace_add_entry(trace,seq,data,msg) \
+ if (_gst_trace_on) { \
+ _gst_trace_add_entry(trace,(guint32)seq,(guint32)data,msg); \
+ }
+#else
+#define gst_trace_add_entry(trace,seq,data,msg)
+#endif
+
+#endif /* __GST_TRACE_H__ */
diff --git a/gst/gsttype.c b/gst/gsttype.c
new file mode 100644
index 0000000000..7c0bcf9c94
--- /dev/null
+++ b/gst/gsttype.c
@@ -0,0 +1,160 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* TODO:
+ * probably should set up a hash table for the type id's, since currently
+ * it's a rather pathetic linear search. Eventually there may be dozens
+ * of id's, but in reality there are only so many instances of lookup, so
+ * I'm not overly worried yet...
+ */
+
+
+#include <gst/gst.h>
+
+
+/* global list of registered types */
+GList *_gst_types;
+guint16 _gst_maxtype;
+
+
+void _gst_type_initialize() {
+ _gst_types = NULL;
+ _gst_maxtype = 1; /* type 0 is undefined */
+
+// gst_type_audio_register();
+}
+
+guint16 gst_type_register(GstTypeFactory *factory) {
+ guint16 id;
+ GstType *type;
+
+ g_return_if_fail(factory != NULL);
+
+// id = gst_type_find_by_mime(factory->mime);
+ id = 0;
+ if (!id) {
+ type = (GstType *)malloc(sizeof(GstType));
+
+ type->id = _gst_maxtype++;
+ type->mime = factory->mime;
+ type->exts = factory->exts;
+ type->typefindfunc = factory->typefindfunc;
+ type->srcs = NULL;
+ type->sinks = NULL;
+ _gst_types = g_list_prepend(_gst_types,type);
+
+ id = type->id;
+ } else {
+ type = gst_type_find_by_id(id);
+ /* now we want to try to merge the types and return the original */
+
+ /* FIXME: do extension merging here, not that easy */
+
+ /* if there is no existing typefind function, try to use new one */
+ if (!type->typefindfunc && factory->typefindfunc)
+ type->typefindfunc = factory->typefindfunc;
+ }
+
+ return id;
+}
+
+guint16 gst_type_find_by_mime(gchar *mime) {
+ GList *walk = _gst_types;
+ GstType *type;
+ gint typelen,mimelen;
+ gchar *search, *found;
+
+// DEBUG("searching for '%s'\n",mime);
+ mimelen = strlen(mime);
+ while (walk) {
+ type = (GstType *)walk->data;
+ search = type->mime;
+// DEBUG("checking against '%s'\n",search);
+ typelen = strlen(search);
+ while ((search - type->mime) < typelen) {
+ found = strstr(search,mime);
+ /* if the requested mime is in the list */
+ if (found) {
+ if ((*(found + mimelen) == ' ') ||
+ (*(found + mimelen) == ',') ||
+ (*(found + mimelen) == '\0')) {
+ return type->id;
+ } else {
+ search = found + mimelen;
+ }
+ } else
+ search += mimelen;
+ }
+ walk = g_list_next(walk);
+ }
+
+ return 0;
+}
+
+GstType *gst_type_find_by_id(guint16 id) {
+ GList *walk = _gst_types;
+ GstType *type;
+
+ while (walk) {
+ type = (GstType *)walk->data;
+ if (type->id == id)
+ return type;
+ walk = g_list_next(walk);
+ }
+
+ return NULL;
+}
+
+void gst_type_add_src(guint16 id,GstElementFactory *src) {
+ GstType *type = gst_type_find_by_id(id);
+
+ g_return_if_fail(type != NULL);
+ g_return_if_fail(src != NULL);
+
+ type->srcs = g_list_prepend(type->srcs,src);
+}
+
+void gst_type_add_sink(guint16 id,GstElementFactory *sink) {
+ GstType *type = gst_type_find_by_id(id);
+
+ g_return_if_fail(type != NULL);
+ g_return_if_fail(sink != NULL);
+
+ type->sinks = g_list_prepend(type->sinks,sink);
+}
+
+GList *gst_type_get_srcs(guint16 id) {
+ GstType *type = gst_type_find_by_id(id);
+
+ g_return_if_fail(type != NULL);
+
+ return type->srcs;
+}
+
+GList *gst_type_get_sinks(guint16 id) {
+ GstType *type = gst_type_find_by_id(id);
+
+ g_return_if_fail(type != 0);
+
+ return type->sinks;
+}
+
+GList *gst_type_get_list() {
+ return _gst_types;
+}
diff --git a/gst/gsttype.h b/gst/gsttype.h
new file mode 100644
index 0000000000..fa96bf8733
--- /dev/null
+++ b/gst/gsttype.h
@@ -0,0 +1,76 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_TYPE_H__
+#define __GST_TYPE_H__
+
+
+#include <gst/gstbuffer.h>
+#include <gst/gstelement.h>
+
+
+/* type of function used to check a stream for equality with type */
+typedef gboolean (*GstTypeFindFunc) (GstBuffer *buf,gpointer *private);
+
+typedef struct _GstType GstType;
+typedef struct _GstTypeFactory GstTypeFactory;
+
+struct _GstType {
+ guint16 id; /* type id (assigned) */
+
+ gchar *mime; /* MIME type */
+ gchar *exts; /* space-delimited list of extensions */
+
+ GstTypeFindFunc typefindfunc; /* typefind function */
+
+ GList *srcs; /* list of src objects for this type */
+ GList *sinks; /* list of sink objects for type */
+};
+
+struct _GstTypeFactory {
+ gchar *mime;
+ gchar *exts;
+ GstTypeFindFunc typefindfunc;
+};
+
+
+/* initialize the subsystem */
+void gst_type_initialize();
+
+/* create a new type, or find/merge an existing one */
+guint16 gst_type_register(GstTypeFactory *factory);
+
+/* look up a type by mime or extension */
+guint16 gst_type_find_by_mime(gchar *mime);
+guint16 gst_type_find_by_ext(gchar *ext);
+
+/* add src or sink object */
+void gst_type_add_src(guint16 id,GstElementFactory *src);
+void gst_type_add_sink(guint16 id,GstElementFactory *sink);
+/* get list of src or sink objects */
+GList *gst_type_get_srcs(guint16 id);
+GList *gst_type_get_sinks(guint16 id);
+
+/* get GstType by id */
+GstType *gst_type_find_by_id(guint16 id);
+/* get the list of registered types (returns list of GstType!) */
+GList *gst_type_get_list();
+
+#endif /* __GST_TYPE_H__ */
diff --git a/gst/gsttypefind.c b/gst/gsttypefind.c
new file mode 100644
index 0000000000..473fa68340
--- /dev/null
+++ b/gst/gsttypefind.c
@@ -0,0 +1,79 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gsttypefind.h>
+
+
+/* TypeFind signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+
+static void gst_typefind_class_init(GstTypeFindClass *klass);
+static void gst_typefind_init(GstTypeFind *typefind);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_typefind_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_typefind_get_type(void) {
+ static GtkType typefind_type = 0;
+
+ if (!typefind_type) {
+ static const GtkTypeInfo typefind_info = {
+ "GstTypeFind",
+ sizeof(GstTypeFind),
+ sizeof(GstTypeFindClass),
+ (GtkClassInitFunc)gst_typefind_class_init,
+ (GtkObjectInitFunc)gst_typefind_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ typefind_type = gtk_type_unique(GST_TYPE_ELEMENT,&typefind_info);
+ }
+ return typefind_type;
+}
+
+static void
+gst_typefind_class_init(GstTypeFindClass *klass) {
+ GtkObjectClass *gtkobject_class;
+
+ gtkobject_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(GST_TYPE_ELEMENT);
+}
+
+static void gst_typefind_init(GstTypeFind *typefind) {
+}
+
+GstObject *gst_typefind_new(gchar *name) {
+ GstObject *typefind = GST_OBJECT(gtk_type_new(GST_TYPE_TYPEFIND));
+ gst_element_set_name(GST_ELEMENT(typefind),name);
+ return typefind;
+}
diff --git a/gst/gsttypefind.h b/gst/gsttypefind.h
new file mode 100644
index 0000000000..34bd714b7f
--- /dev/null
+++ b/gst/gsttypefind.h
@@ -0,0 +1,68 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_TYPEFIND_H__
+#define __GST_TYPEFIND_H__
+
+
+#include <gst/gstelement.h>
+#include <gst/gstpad.h>
+#include <gst/gsttype.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_TYPEFIND \
+ (gst_typefind_get_type())
+#define GST_TYPEFIND(obj) \
+ (GTK_CHECK_CAST((obj),GST_TYPE_TYPEFIND,GstTypeFind))
+#define GST_TYPEFIND_CLASS(klass) \
+ (GTK_CHECK_CLASS_CAST((klass),GST_TYPE_TYPEFIND,GstTypeFindClass))
+#define GST_IS_TYPEFIND(obj) \
+ (GTK_CHECK_TYPE((obj),GST_TYPE_TYPEFIND))
+#define GST_IS_TYPEFIND_CLASS(obj) \
+ (GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_TYPEFIND)))
+
+typedef struct _GstTypeFind GstTypeFind;
+typedef struct _GstTypeFindClass GstTypeFindClass;
+
+struct _GstTypeFind {
+ GstElement element;
+
+ GstPad *sinkpad;
+};
+
+struct _GstTypeFindClass {
+ GstElementClass parent_class;
+};
+
+GtkType gst_typefind_get_type(void);
+GstObject *gst_typefind_new(gchar *name);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_TYPEFIND_H__ */
diff --git a/gst/gstutils.c b/gst/gstutils.c
new file mode 100644
index 0000000000..d659fd5f46
--- /dev/null
+++ b/gst/gstutils.c
@@ -0,0 +1,77 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gtk/gtk.h>
+
+gint gst_util_get_int_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_INT(arg);
+}
+
+glong gst_util_get_long_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_LONG(arg);
+}
+
+gfloat gst_util_get_float_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_FLOAT(arg);
+}
+
+gdouble gst_util_get_double_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_DOUBLE(arg);
+}
+
+guchar *gst_util_get_string_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_STRING(arg);
+}
+
+gpointer gst_util_get_pointer_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_VALUE_POINTER(arg);
+}
+
+GtkWidget *gst_util_get_widget_arg(GtkObject *object,guchar *argname) {
+ GtkArg arg;
+
+ arg.name = argname;
+ gtk_object_getv(GTK_OBJECT(object),1,&arg);
+ return GTK_WIDGET(GTK_VALUE_OBJECT(arg));
+}
diff --git a/gst/gstutils.h b/gst/gstutils.h
new file mode 100644
index 0000000000..f196c5a8fd
--- /dev/null
+++ b/gst/gstutils.h
@@ -0,0 +1,35 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_UTILS_H__
+#define __GST_UTILS_H__
+
+#include <gtk/gtk.h>
+
+gint gst_util_get_int_arg(GtkObject *object,guchar *argname);
+glong gst_util_get_long_arg(GtkObject *object,guchar *argname);
+gfloat gst_util_get_float_arg(GtkObject *object,guchar *argname);
+gdouble gst_util_get_double_arg(GtkObject *object,guchar *argname);
+guchar *gst_util_get_string_arg(GtkObject *object,guchar *argname);
+gpointer gst_util_get_pointer_arg(GtkObject *object,guchar *argname);
+GtkWidget *gst_util_get_widget_arg(GtkObject *object,guchar *argname);
+
+
+#endif /* __GST_UTILS_H__ */
diff --git a/gst/gstxml.c b/gst/gstxml.c
new file mode 100644
index 0000000000..cfcd6dca70
--- /dev/null
+++ b/gst/gstxml.c
@@ -0,0 +1,31 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gstxml.h>
+
+xmlDocPtr gst_xml_write(GstElement *element) {
+ xmlDocPtr doc;
+
+ doc = xmlNewDoc("1.0");
+ doc->root = xmlNewDocNode(doc,NULL,"GST-Pipeline",NULL);
+
+ gst_element_save_thyself(element,doc->root);
+
+ return doc;
+}
diff --git a/gst/gstxml.h b/gst/gstxml.h
new file mode 100644
index 0000000000..e2538810e3
--- /dev/null
+++ b/gst/gstxml.h
@@ -0,0 +1,30 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_XML_H__
+#define __GST_XML_H__
+
+#include <gst/gst.h>
+#include <gnome-xml/parser.h>
+
+/* create an XML document out of a pipeline */
+xmlDocPtr gst_xml_write(GstElement *element);
+
+#endif /* __GST_XML_H__ */
diff --git a/gst/meta/Makefile.am b/gst/meta/Makefile.am
new file mode 100644
index 0000000000..adc27ce0f5
--- /dev/null
+++ b/gst/meta/Makefile.am
@@ -0,0 +1,3 @@
+metaincludedir = $(includedir)/gst/meta
+metainclude_HEADERS = \
+ audioraw.h
diff --git a/gst/meta/audioraw.h b/gst/meta/audioraw.h
new file mode 100644
index 0000000000..7c8d52d237
--- /dev/null
+++ b/gst/meta/audioraw.h
@@ -0,0 +1,40 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_META_AUDIORAW_H__
+#define __GST_META_AUDIORAW_H__
+
+#include <gst/gstmeta.h>
+#include <sys/soundcard.h>
+
+typedef struct _MetaAudioRaw MetaAudioRaw;
+
+struct _MetaAudioRaw {
+ GstMeta meta;
+
+ /* formatting information */
+ gint format;
+ gint channels;
+ gint frequency;
+ gint bps;
+};
+
+#endif /* __GST_META_AUDIORAW_H__ */
+
diff --git a/gst/meta/spectrum.h b/gst/meta/spectrum.h
new file mode 100644
index 0000000000..c8e1637e98
--- /dev/null
+++ b/gst/meta/spectrum.h
@@ -0,0 +1,38 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gstmeta.h>
+
+typedef struct _MetaAudioSpectrum MetaAudioSpectrum;
+
+struct _MetaAudioSpectrum {
+ GstMeta meta;
+
+ /* data representation */
+ gint16 bands; /* how many bands are represented */
+ gint8 channels; /* how many audio channels are there? */
+ gboolean interleaved; /* are the channels interleaved? */
+
+ /* spectrum details */
+ gint16 lowfreq;
+ gint16 highfreq;
+ gint16 steps;
+};
+
diff --git a/gst/plugin.c b/gst/plugin.c
new file mode 100644
index 0000000000..996e3f81f8
--- /dev/null
+++ b/gst/plugin.c
@@ -0,0 +1,139 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <unistd.h>
+
+/* list of paths to check for plugins */
+GList *_plugin_paths;
+
+/* whether or not to spew library load issues */
+gboolean _plugin_spew = FALSE;
+
+
+void plugin_initialize() {
+ _plugin_paths = NULL;
+
+ /* add the main (installed) library path */
+ _plugin_paths = g_list_prepend(_plugin_paths,PLUGINS_DIR);
+
+ /* if this is set, we add build-directory paths to the list */
+#ifdef PLUGINS_USE_SRCDIR
+ _plugin_paths = g_list_prepend(_plugin_paths,PLUGINS_SRCDIR);
+#endif /* PLUGINS_USE_SRCDIR */
+}
+
+static GModule *plugin_load_recurse(gchar *directory,gchar *name) {
+ DIR *dir;
+ struct dirent *dirent;
+ GModule *mod;
+
+ dir = opendir(directory);
+ if (dir) {
+ while (dirent = readdir(dir)) {
+ /* don't want to recurse in place or backwards */
+ if (strcmp(dirent->d_name,".") && strcmp(dirent->d_name,"..")) {
+ mod = plugin_load_recurse(g_strjoin("/",directory,dirent->d_name,
+ NULL),name);
+ if (mod != NULL) {
+ closedir(dir);
+ return mod;
+ }
+ }
+ }
+ closedir(dir);
+ } else {
+ if (strstr(directory,".so")) {
+ gchar *temp;
+ if (name) {
+ if ((temp = strstr(directory,name)) &&
+ (!strcmp(temp,name))) {
+ mod = plugin_load_absolute(directory);
+ if (mod != NULL) return mod;
+ }
+ } else if ((temp = strstr(directory,".so")) &&
+ (!strcmp(temp,".so"))) {
+ mod = plugin_load_absolute(directory);
+ if (mod != NULL) return mod;
+ }
+ }
+ }
+ return NULL;
+}
+
+/**
+ * plugin_load_all:
+ *
+ * Load all plugins in the path.
+ */
+void plugin_load_all() {
+ GList *path;
+
+ path = _plugin_paths;
+ while (path != NULL) {
+ plugin_load_recurse(path->data,NULL);
+ path = g_list_next(path);
+ }
+}
+
+/**
+ * plugin_load:
+ * @name: name of plugin to load
+ *
+ * Load the named plugin. Name should be given as
+ * &quot;libplugin.so&quot;.
+ *
+ * Returns: whether the plugin was loaded or not
+ */
+GModule *plugin_load(gchar *name) {
+ GList *path;
+ gchar *libspath;
+ GModule *mod;
+
+// g_print("attempting to load plugin '%s'\n",name);
+
+ path = _plugin_paths;
+ while (path != NULL) {
+ mod = plugin_load_absolute(g_module_build_path(path->data,name));
+ if (mod != NULL) return mod;
+ libspath = g_strconcat(path->data,"/.libs",NULL);
+// g_print("trying to load '%s'\n",g_module_build_path(libspath,name));
+ mod = plugin_load_absolute(g_module_build_path(libspath,name));
+ if (mod != NULL) {
+ g_free(libspath);
+ return mod;
+ }
+ g_free(libspath);
+// g_print("trying to load '%s' from '%s'\n",name,path->data);
+ mod = plugin_load_recurse(path->data,name);
+ if (mod != NULL) return mod;
+ path = g_list_next(path);
+ }
+ return NULL;
+}
+
+/**
+ * plugin_load_absolute:
+ * @name: name of plugin to load
+ *
+ * Returns: whether or not the plugin loaded
+ */
+GModule *plugin_load_absolute(gchar *name) {
+ GModule *mod;
+
+// g_print("trying to load '%s\n",name);
+
+ if (g_module_supported() == FALSE) {
+ g_print("wow, you built this on a platform without dynamic loading???\n");
+ return;
+ }
+
+ mod = g_module_open(name,0);
+ if (mod != NULL) {
+ return mod;
+ } else if (_gst_plugin_spew) {
+// if (strstr(g_module_error(),"No such") == NULL)
+ g_print("error loading plugin: %s\n",g_module_error());
+ }
+
+ return NULL;
+}
diff --git a/gst/plugin.h b/gst/plugin.h
new file mode 100644
index 0000000000..d98d65f0b9
--- /dev/null
+++ b/gst/plugin.h
@@ -0,0 +1,4 @@
+void plugin_initialize();
+void plugin_load_all();
+GModule *plugin_load(gchar *name);
+GModule *plugin_load_absolute(gchar *name);
diff --git a/gst/types/Makefile.am b/gst/types/Makefile.am
new file mode 100644
index 0000000000..2dec2600ef
--- /dev/null
+++ b/gst/types/Makefile.am
@@ -0,0 +1,10 @@
+lib_LTLIBRARIES = libgsttypes.la
+
+libgsttypes_la_DEPENDENCIES = ../libgst.la
+libgsttypes_la_SOURCES = \
+ gsttypes.c
+
+#noinst_HEADERS =
+
+libgsttypes_la_LIBADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_srcdir)/gst/libgst.la
+libgsttypes_la_LDFLAGS = -version-info $(STREAMER_CURRENT):$(STREAMER_REVISION):$(STREAMER_AGE)
diff --git a/gst/types/gsttypes.c b/gst/types/gsttypes.c
new file mode 100644
index 0000000000..3d49f24be0
--- /dev/null
+++ b/gst/types/gsttypes.c
@@ -0,0 +1,85 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gtk/gtk.h>
+#include <gst/gst.h>
+
+gint mp3_typefind(GstBuffer *buf,gpointer *private);
+gint wav_typefind(GstBuffer *buf,gpointer *private);
+
+GstTypeFactory _factories[] = {
+ { "audio/raw", ".raw", NULL },
+ { "audio/mpeg audio/mp3", ".mp2 .mp3 .mpa .mpega", mp3_typefind },
+ { "audio/wav", ".wav", wav_typefind },
+ { "audio/ac3", ".ac3", NULL },
+ { NULL, NULL, NULL },
+};
+
+
+/* check to see if a buffer indicates the presence of an mp3 frame
+ * NOTE that this only checks for a potentially valid mp3 frame header
+ * and doesn't guarantee that it's a fully valid mp3 audio stream */
+gboolean mp3_typefind(GstBuffer *buf,gpointer *private) {
+ gulong head = GULONG_FROM_BE(*((gulong *)GST_BUFFER_DATA(buf)));
+
+ if ((head & 0xffe00000) != 0xffe00000)
+ return FALSE;
+ if (!((head >> 17) & 3))
+ return FALSE;
+ if (((head >> 12) & 0xf) == 0xf)
+ return FALSE;
+ if (!((head >> 12) & 0xf))
+ return FALSE;
+ if (((head >> 10) & 0x3) == 0x3)
+ return FALSE;
+
+ return TRUE;
+}
+
+gboolean wav_typefind(GstBuffer *buf,gpointer *private) {
+ gulong *data = (gulong *)GST_BUFFER_DATA(buf);
+
+ if (data[0] != "RIFF") return FALSE;
+ if (data[2] != "WAVE") return FALSE;
+
+ return TRUE;
+}
+
+
+GstPlugin *plugin_init(GModule *module) {
+ GstPlugin *plugin;
+ int i = 0;
+
+ if (gst_plugin_find("gsttypes") != NULL)
+ return NULL;
+
+ plugin = gst_plugin_new("gsttypes");
+ g_return_val_if_fail(plugin != NULL,NULL);
+
+ while (_factories[i].mime) {
+ gst_type_register(&_factories[i]);
+// DEBUG("added factory #%d '%s'\n",i,_factories[i].mime);
+ i++;
+ }
+
+ gst_info("gsttypes: loaded %d standard types\n",i);
+
+ return plugin;
+}