gstreamer/gst-libs/gst/video/gstvideofilter.c
Wim Taymans 3150ac3b64 gst/: Re-enable QoS after the release.
Original commit message from CVS:
* gst-libs/gst/video/gstvideofilter.c: (gst_video_filter_init):
* gst-libs/gst/video/gstvideosink.c: (gst_video_sink_init):
* gst/ffmpegcolorspace/gstffmpegcolorspace.c: (gst_ffmpegcsp_init):
* gst/videoscale/gstvideoscale.c: (gst_video_scale_class_init),
(gst_video_scale_init), (gst_video_scale_src_event):
Re-enable QoS after the release.
Rework videoscale to use the base class src_event handler.
2006-03-14 11:11:59 +00:00

104 lines
2.9 KiB
C

/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gstvideofilter
* @short_description: Base class for video filters
*
* <refsect2>
* <para>
* Provides useful functions and a base class for video filters.
* </para>
* <para>
* The videofilter will by default enable QoS on the parent GstBaseTransform
* to implement frame dropping.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvideofilter.h"
GST_DEBUG_CATEGORY_STATIC (gst_video_filter_debug);
#define GST_CAT_DEFAULT gst_video_filter_debug
static void gst_video_filter_class_init (gpointer g_class, gpointer class_data);
static void gst_video_filter_init (GTypeInstance * instance, gpointer g_class);
static GstBaseTransformClass *parent_class = NULL;
GType
gst_video_filter_get_type (void)
{
static GType video_filter_type = 0;
if (!video_filter_type) {
static const GTypeInfo video_filter_info = {
sizeof (GstVideoFilterClass),
NULL,
NULL,
gst_video_filter_class_init,
NULL,
NULL,
sizeof (GstVideoFilter),
0,
gst_video_filter_init,
};
video_filter_type = g_type_register_static (GST_TYPE_BASE_TRANSFORM,
"GstVideoFilter", &video_filter_info, G_TYPE_FLAG_ABSTRACT);
}
return video_filter_type;
}
static void
gst_video_filter_class_init (gpointer g_class, gpointer class_data)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseTransformClass *trans_class;
GstVideoFilterClass *klass;
klass = (GstVideoFilterClass *) g_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
parent_class = g_type_class_peek_parent (klass);
GST_DEBUG_CATEGORY_INIT (gst_video_filter_debug, "videofilter", 0,
"videofilter");
}
static void
gst_video_filter_init (GTypeInstance * instance, gpointer g_class)
{
GstVideoFilter *videofilter = GST_VIDEO_FILTER (instance);
GST_DEBUG_OBJECT (videofilter, "gst_video_filter_init");
videofilter->inited = FALSE;
/* enable QoS */
gst_base_transform_set_qos_enabled (GST_BASE_TRANSFORM (videofilter), TRUE);
}