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GESTimelinePipeline: Make sure playsink events are sent to all incoming streams

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PlaySink will not send seek events to all incoming streams since it assumes that
they all come from the same source (like a file).
When used with multiple gnonlin compositions we need to make sure those seek events
are sent to all of them.
This commit is contained in:
Edward Hervey 2010-11-23 18:24:38 +01:00
parent 0c3bcf1ed8
commit ab0493418a
1 changed files with 27 additions and 2 deletions
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29
ges/ges-timeline-pipeline.c
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@ -55,6 +55,8 @@ static OutputChain *get_output_chain_for_track (GESTimelinePipeline * self,
GESTrack * track);
static OutputChain *new_output_chain_for_track (GESTimelinePipeline * self,
GESTrack * track);
static gboolean play_sink_multiple_seeks_send_event (GstElement * element,
GstEvent * event);
static void
ges_timeline_pipeline_dispose (GObject * object)
@ -103,6 +105,8 @@ ges_timeline_pipeline_class_init (GESTimelinePipelineClass * klass)
static void
ges_timeline_pipeline_init (GESTimelinePipeline * self)
{
GstElementClass *playsinkclass;
GST_INFO_OBJECT (self, "Creating new 'playsink'");
self->playsink = gst_element_factory_make ("playsink", "internal-sinks");
@ -114,10 +118,19 @@ ges_timeline_pipeline_init (GESTimelinePipeline * self)
"queue-bytes-max", (guint32) 0, "queue-time-max", (guint64) 0,
"use-smartencoder", TRUE, NULL);
if (G_UNLIKELY (self->playsink == NULL))
if (G_UNLIKELY (self->playsink == NULL)) {
GST_ERROR_OBJECT (self, "Can't create playsink instance !");
if (G_UNLIKELY (self->encodebin == NULL))
return;
}
if (G_UNLIKELY (self->encodebin == NULL)) {
GST_ERROR_OBJECT (self, "Can't create encodebin instance !");
return;
}
/* HACK : Intercept events going through playsink */
playsinkclass = GST_ELEMENT_GET_CLASS (self->playsink);
/* Replace playsink's GstBin::send_event with our own */
playsinkclass->send_event = play_sink_multiple_seeks_send_event;
ges_timeline_pipeline_set_mode (self, DEFAULT_TIMELINE_MODE);
}
@ -822,3 +835,15 @@ ges_timeline_pipeline_get_thumbnail_rgb24 (GESTimelinePipeline * self,
gst_caps_unref (caps);
return ret;
}
static gboolean
play_sink_multiple_seeks_send_event (GstElement * element, GstEvent * event)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
GST_DEBUG ("%s", GST_EVENT_TYPE_NAME (event));
return
GST_ELEMENT_CLASS (g_type_class_peek_parent (klass))->send_event (element,
event);
}