videoaggregator: Fix locking around vagg->info
GST_OBJECT_LOCK when writing
vagg->info, so that reading in
subclasses is protected against races, as documented in the struct.
/*< public >*/ /* read-only, with OBJECT_LOCK */ GstVideoInfo info;
gst_video_aggregator_default_negotiated_src_caps should take the
GST_VIDEO_AGGREGATOR_LOCK to avoid racing with
gst_video_aggregator_reset called by
gst_video_aggregator_release_pad of the last sinkpad. Otherwise it can
latency = gst_util_uint64_scale (... gets called with a
There doesn't seem to be any reason not to use the local
vagg->info, so do that.