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waylandsink: Don't propose multiple time the same buffer pool

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The buffer pool API does not allow multiple of owner. This otherwise
lead to error when renegotiation take place. Aso consider the
allocation query "need_pool" boolean.
This commit is contained in:
Nicolas Dufresne 2016-09-19 12:08:20 -04:00
parent 9357047eaf
commit 74a7baa533
1 changed files with 18 additions and 7 deletions
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25
ext/wayland/gstwaylandsink.c
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@ -518,18 +518,29 @@ static gboolean
gst_wayland_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
GstWaylandSink *sink = GST_WAYLAND_SINK (bsink);
GstCaps *caps;
GstBufferPool *pool = NULL;
GstStructure *config;
guint size, min_bufs, max_bufs;
gboolean need_pool;
config = gst_buffer_pool_get_config (sink->pool);
gst_buffer_pool_config_get_params (config, NULL, &size, &min_bufs, &max_bufs);
gst_query_parse_allocation (query, &caps, &need_pool);
if (need_pool)
pool = gst_wayland_create_pool (sink, caps);
if (pool) {
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, NULL, &size, &min_bufs,
&max_bufs);
gst_query_add_allocation_pool (query, pool, size, min_bufs, max_bufs);
gst_structure_free (config);
g_object_unref (pool);
}
/* we do have a pool for sure (created in set_caps),
* so let's propose it anyway, but also propose the allocator on its own */
gst_query_add_allocation_pool (query, sink->pool, size, min_bufs, max_bufs);
gst_query_add_allocation_param (query, gst_wl_shm_allocator_get (), NULL);
gst_structure_free (config);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return TRUE;
}