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-rw-r--r--gst/videofilter/gstvideotemplate.c253
1 files changed, 253 insertions, 0 deletions
diff --git a/gst/videofilter/gstvideotemplate.c b/gst/videofilter/gstvideotemplate.c
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+++ b/gst/videofilter/gstvideotemplate.c
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+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2003> David Schleef <ds@schleef.org>
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * This file was (probably) generated from
+ * $Id$
+ * and
+ * MAKEFILTERVERSION
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gstvideofilter.h>
+#include <string.h>
+
+#define GST_TYPE_VIDEOTEMPLATE \
+ (gst_videotemplate_get_type())
+#define GST_VIDEOTEMPLATE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOTEMPLATE,GstVideotemplate))
+#define GST_VIDEOTEMPLATE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOTEMPLATE,GstVideotemplateClass))
+#define GST_IS_VIDEOTEMPLATE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOTEMPLATE))
+#define GST_IS_VIDEOTEMPLATE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOTEMPLATE))
+
+typedef struct _GstVideotemplate GstVideotemplate;
+typedef struct _GstVideotemplateClass GstVideotemplateClass;
+
+struct _GstVideotemplate
+{
+ GstVideofilter videofilter;
+
+};
+
+struct _GstVideotemplateClass
+{
+ GstVideofilterClass parent_class;
+};
+
+
+/* GstVideotemplate signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0
+ /* FILL ME */
+};
+
+static void gst_videotemplate_base_init (gpointer g_class);
+static void gst_videotemplate_class_init (gpointer g_class,
+ gpointer class_data);
+static void gst_videotemplate_init (GTypeInstance * instance, gpointer g_class);
+
+static void gst_videotemplate_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_videotemplate_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void gst_videotemplate_planar411 (GstVideofilter * videofilter,
+ void *dest, void *src);
+static void gst_videotemplate_setup (GstVideofilter * videofilter);
+
+GType
+gst_videotemplate_get_type (void)
+{
+ static GType videotemplate_type = 0;
+
+ if (!videotemplate_type) {
+ static const GTypeInfo videotemplate_info = {
+ sizeof (GstVideotemplateClass),
+ gst_videotemplate_base_init,
+ NULL,
+ gst_videotemplate_class_init,
+ NULL,
+ NULL,
+ sizeof (GstVideotemplate),
+ 0,
+ gst_videotemplate_init,
+ };
+
+ videotemplate_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
+ "GstVideotemplate", &videotemplate_info, 0);
+ }
+ return videotemplate_type;
+}
+
+static const GstVideofilterFormat gst_videotemplate_formats[] = {
+ {"I420", 12, gst_videotemplate_planar411,},
+};
+
+
+static void
+gst_videotemplate_base_init (gpointer g_class)
+{
+
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+ int i;
+
+ gst_element_class_set_static_metadata (element_class, "Video filter template",
+ "Filter/Effect/Video",
+ "Template for a video filter", "David Schleef <ds@schleef.org>");
+
+ for (i = 0; i < G_N_ELEMENTS (gst_videotemplate_formats); i++) {
+ gst_videofilter_class_add_format (videofilter_class,
+ gst_videotemplate_formats + i);
+ }
+
+ gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
+}
+
+static void
+gst_videotemplate_class_init (gpointer g_class, gpointer class_data)
+{
+ GObjectClass *gobject_class;
+ GstVideofilterClass *videofilter_class;
+
+ gobject_class = G_OBJECT_CLASS (g_class);
+ videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+
+#if 0
+ g_object_class_install_property (gobject_class, PROP_METHOD,
+ g_param_spec_enum ("method", "method", "method",
+ GST_TYPE_VIDEOTEMPLATE_METHOD, GST_VIDEOTEMPLATE_METHOD_1,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+#endif
+
+ gobject_class->set_property = gst_videotemplate_set_property;
+ gobject_class->get_property = gst_videotemplate_get_property;
+
+ videofilter_class->setup = gst_videotemplate_setup;
+}
+
+static void
+gst_videotemplate_init (GTypeInstance * instance, gpointer g_class)
+{
+ GstVideotemplate *videotemplate = GST_VIDEOTEMPLATE (instance);
+ GstVideofilter *videofilter;
+
+ GST_DEBUG ("gst_videotemplate_init");
+
+ videofilter = GST_VIDEOFILTER (videotemplate);
+
+ /* do stuff */
+}
+
+static void
+gst_videotemplate_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstVideotemplate *src;
+
+ g_return_if_fail (GST_IS_VIDEOTEMPLATE (object));
+ src = GST_VIDEOTEMPLATE (object);
+
+ GST_DEBUG ("gst_videotemplate_set_property");
+ switch (prop_id) {
+#if 0
+ case PROP_METHOD:
+ src->method = g_value_get_enum (value);
+ break;
+#endif
+ default:
+ break;
+ }
+}
+
+static void
+gst_videotemplate_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstVideotemplate *src;
+
+ g_return_if_fail (GST_IS_VIDEOTEMPLATE (object));
+ src = GST_VIDEOTEMPLATE (object);
+
+ switch (prop_id) {
+#if 0
+ case PROP_METHOD:
+ g_value_set_enum (value, src->method);
+ break;
+#endif
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "videotemplate", GST_RANK_NONE,
+ GST_TYPE_VIDEOTEMPLATE);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ videotemplate,
+ "Template for a video filter",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+
+ static void gst_videotemplate_setup (GstVideofilter * videofilter)
+{
+ GstVideotemplate *videotemplate;
+
+ g_return_if_fail (GST_IS_VIDEOTEMPLATE (videofilter));
+ videotemplate = GST_VIDEOTEMPLATE (videofilter);
+
+ /* if any setup needs to be done, do it here */
+
+}
+
+static void
+gst_videotemplate_planar411 (GstVideofilter * videofilter,
+ void *dest, void *src)
+{
+ GstVideotemplate *videotemplate;
+ int width = gst_videofilter_get_input_width (videofilter);
+ int height = gst_videofilter_get_input_height (videofilter);
+
+ g_return_if_fail (GST_IS_VIDEOTEMPLATE (videofilter));
+ videotemplate = GST_VIDEOTEMPLATE (videofilter);
+
+ /* do something interesting here. This simply copies the source
+ * to the destination. */
+ memcpy (dest, src, width * height + (width / 2) * (height / 2) * 2);
+}