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#include <glib.h>
#include <gst/gst.h>
#include <gst/gstparse.h>
#include <string.h>
#include <stdlib.h>
static int launch_argc;
static char **launch_argv;
#ifndef USE_GLIB2
GtkWidget *window;
GtkWidget *gtk_socket;
#endif
typedef void (*found_handler) (GstElement *element, gint xid, void *priv);
void
arg_search (GstBin *bin, gchar *argname, found_handler handler, void *priv)
{
GList *children;
gchar *ccargname;
ccargname = g_strdup_printf("::%s",argname);
children = gst_bin_get_list(bin);
#ifndef USE_GLIB2
while (children) {
GstElement *child;
child = GST_ELEMENT (children->data);
children = g_list_next (children);
if (GST_IS_BIN (child)) arg_search (GST_BIN (child), argname, handler, priv);
else {
GtkType type;
type = GTK_OBJECT_TYPE (child);
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 (strstr(args[i].name,ccargname)) {
(handler)(child, gst_util_get_int_arg (GTK_OBJECT (child), argname) ,priv);
}
}
type = gtk_type_parent(type);
}
}
}
#endif
g_free(ccargname);
}
gboolean
idle_func (gpointer data)
{
if (!gst_bin_iterate (GST_BIN (data))) {
#ifndef USE_GLIB2
gtk_main_quit ();
#endif
return FALSE;
}
return TRUE;
}
void
handle_have_size (GstElement *element,int width,int height)
{
#ifndef USE_GLIB2
gtk_widget_set_usize(gtk_socket,width,height);
gtk_widget_show_all(window);
#endif
}
void
xid_handler (GstElement *element, gint xid, void *priv)
{
#ifndef USE_GLIB2
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_socket = gtk_socket_new ();
gtk_widget_show(gtk_socket);
gtk_container_add(GTK_CONTAINER(window),gtk_socket);
gtk_widget_realize(gtk_socket);
gtk_socket_steal (GTK_SOCKET (gtk_socket), xid);
gtk_object_set(GTK_OBJECT(window),"allow_grow",TRUE,NULL);
gtk_object_set(GTK_OBJECT(window),"allow_shrink",TRUE,NULL);
gtk_signal_connect (GTK_OBJECT (element), "have_size",
GTK_SIGNAL_FUNC (handle_have_size), element);
#endif
}
int
main(int argc, char *argv[])
{
GstElement *pipeline;
char **argvn;
gchar *cmdline;
int i;
gboolean save_pipeline = FALSE;
gboolean run_pipeline = TRUE;
gchar *savefile = "";
gst_init (&argc, &argv);
if (argc >= 3 && !strcmp(argv[1], "-o")) {
save_pipeline = TRUE;
run_pipeline = FALSE;
savefile = argv[2];
argv[2] = argv[0];
argv+=2;
argc-=2;
}
launch_argc = argc;
launch_argv = argv;
pipeline = gst_pipeline_new ("launch");
// make a null-terminated version of argv
argvn = g_new0 (char *,argc);
memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
// escape spaces
for (i=0; i<argc-1; i++) {
gchar **split;
split = g_strsplit (argvn[i], " ", 0);
argvn[i] = g_strjoinv ("\\ ", split);
g_strfreev (split);
}
// join the argvs together
cmdline = g_strjoinv (" ", argvn);
// free the null-terminated argv
g_free (argvn);
// fail if there are no pipes in it (needs pipes for a pipeline
if (!strchr(cmdline,'!')) {
fprintf(stderr,"ERROR: no pipeline description found on commandline\n");
exit(1);
}
if (gst_parse_launch (cmdline, GST_BIN (pipeline)) < 0){
fprintf(stderr,"ERROR: pipeline description could not be parsed\n");
exit(1);
}
#ifndef GST_DISABLE_LOADSAVE
if (save_pipeline) {
xmlSaveFile (savefile, gst_xml_write (pipeline));
}
#endif
if (run_pipeline) {
arg_search(GST_BIN(pipeline),"xid",xid_handler,NULL);
fprintf(stderr,"RUNNING pipeline\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_idle_add(idle_func,pipeline);
#ifdef USE_GLIB2
g_main_loop_run (g_main_loop_new (NULL, FALSE));
#else
gtk_main();
#endif
gst_element_set_state (pipeline, GST_STATE_NULL);
}
return 0;
}
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