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compositor: GstVideoMeta is supported just fine, tell upstream about that

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Also provide a GstVideoBufferPool to upstream just in case.
This commit is contained in:
Sebastian Dröge 2014-11-25 18:53:55 +01:00
parent 99a17503a4
commit 7eef9dd0ad
1 changed files with 43 additions and 0 deletions
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43
gst/compositor/compositor.c
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@ -549,6 +549,48 @@ gst_compositor_aggregate_frames (GstVideoAggregator * vagg, GstBuffer * outbuf)
return GST_FLOW_OK;
}
static gboolean
_sink_query (GstAggregator * agg, GstAggregatorPad * bpad, GstQuery * query)
{
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ALLOCATION:{
GstCaps *caps;
GstVideoInfo info;
GstBufferPool *pool;
guint size;
GstStructure *structure;
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
return FALSE;
if (!gst_video_info_from_caps (&info, caps))
return FALSE;
size = GST_VIDEO_INFO_SIZE (&info);
pool = gst_video_buffer_pool_new ();
structure = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (structure, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, structure)) {
gst_object_unref (pool);
return FALSE;
}
gst_query_add_allocation_pool (query, pool, size, 0, 0);
gst_object_unref (pool);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return TRUE;
}
default:
return GST_AGGREGATOR_CLASS (parent_class)->sink_query (agg, bpad, query);
}
}
/* GObject boilerplate */
static void
gst_compositor_class_init (GstCompositorClass * klass)
@ -563,6 +605,7 @@ gst_compositor_class_init (GstCompositorClass * klass)
gobject_class->set_property = gst_compositor_set_property;
agg_class->sinkpads_type = GST_TYPE_COMPOSITOR_PAD;
agg_class->sink_query = _sink_query;
videoaggregator_class->update_caps = _update_caps;
videoaggregator_class->aggregate_frames = gst_compositor_aggregate_frames;