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intervideosink: render preroll frames as well

Browse source 
Derive from GstVideoSink so that preroll frames will automatically
get rendered too, unless the show-preroll-frame property is set to
FALSE. Fixes intervideosrc only picking up frames if intervideosink
is in PLAYING state.

https://bugzilla.gnome.org/show_bug.cgi?id=755049
This commit is contained in:
Tim-Philipp Müller 2015-09-16 00:19:35 +01:00
parent 86a8ff50c0
commit 0cb160a685
2 changed files with 9 additions and 10 deletions
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13
gst/inter/gstintervideosink.c
View file

@ -40,9 +40,6 @@
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
#include <gst/video/video.h>
#include "gstintervideosink.h"
#include <string.h>
@ -63,7 +60,7 @@ static gboolean gst_inter_video_sink_start (GstBaseSink * sink);
static gboolean gst_inter_video_sink_stop (GstBaseSink * sink);
static gboolean gst_inter_video_sink_set_caps (GstBaseSink * sink,
GstCaps * caps);
static GstFlowReturn gst_inter_video_sink_render (GstBaseSink * sink,
static GstFlowReturn gst_inter_video_sink_show_frame (GstVideoSink * sink,
GstBuffer * buffer);
enum
@ -84,7 +81,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
/* class initialization */
G_DEFINE_TYPE (GstInterVideoSink, gst_inter_video_sink, GST_TYPE_BASE_SINK);
G_DEFINE_TYPE (GstInterVideoSink, gst_inter_video_sink, GST_TYPE_VIDEO_SINK);
static void
gst_inter_video_sink_class_init (GstInterVideoSinkClass * klass)
@ -92,6 +89,7 @@ gst_inter_video_sink_class_init (GstInterVideoSinkClass * klass)
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseSinkClass *base_sink_class = GST_BASE_SINK_CLASS (klass);
GstVideoSinkClass *video_sink_class = GST_VIDEO_SINK_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (gst_inter_video_sink_debug_category,
"intervideosink", 0, "debug category for intervideosink element");
@ -112,8 +110,9 @@ gst_inter_video_sink_class_init (GstInterVideoSinkClass * klass)
GST_DEBUG_FUNCPTR (gst_inter_video_sink_get_times);
base_sink_class->start = GST_DEBUG_FUNCPTR (gst_inter_video_sink_start);
base_sink_class->stop = GST_DEBUG_FUNCPTR (gst_inter_video_sink_stop);
base_sink_class->render = GST_DEBUG_FUNCPTR (gst_inter_video_sink_render);
base_sink_class->set_caps = GST_DEBUG_FUNCPTR (gst_inter_video_sink_set_caps);
video_sink_class->show_frame =
GST_DEBUG_FUNCPTR (gst_inter_video_sink_show_frame);
g_object_class_install_property (gobject_class, PROP_CHANNEL,
g_param_spec_string ("channel", "Channel",
@ -244,7 +243,7 @@ gst_inter_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
}
static GstFlowReturn
gst_inter_video_sink_render (GstBaseSink * sink, GstBuffer * buffer)
gst_inter_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buffer)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);

6
gst/inter/gstintervideosink.h
View file

@ -20,7 +20,7 @@
#ifndef _GST_INTER_VIDEO_SINK_H_
#define _GST_INTER_VIDEO_SINK_H_
#include <gst/base/gstbasesink.h>
#include <gst/video/video.h>
#include "gstintersurface.h"
G_BEGIN_DECLS
@ -36,7 +36,7 @@ typedef struct _GstInterVideoSinkClass GstInterVideoSinkClass;
struct _GstInterVideoSink
{
GstBaseSink base_intervideosink;
GstVideoSink videosink;
GstInterSurface *surface;
char *channel;
@ -46,7 +46,7 @@ struct _GstInterVideoSink
struct _GstInterVideoSinkClass
{
GstBaseSinkClass base_intervideosink_class;
GstVideoSinkClass videosinkclass;
};
GType gst_inter_video_sink_get_type (void);