[Bug 743948] vc1parser: re-enable BDU parsing for bitstream
bugzilla at gnome.org
Wed Feb 4 03:14:14 PST 2015
GStreamer | gst-plugins-bad | git master
--- Comment #5 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> 2015-02-04 11:14:11 UTC ---
(In reply to comment #2)
> Review of attachment 296054 [details]:
> Moreover, it seems that the code to detect BDU stream format is not enough as
> startcode can be present in sequence-layer-bdu-* stream formats, and also iirc
> in ASF format.
> So I think enable this code as if will broke other formats detection if done
> ::: gst/videoparsers/gstvc1parse.c
> @@ +645,3 @@
> GST_DEBUG_OBJECT (vc1parse, "Found BDU startcode");
> + vc1parse->input_stream_format = vc1parse->output_stream_format =
> + VC1_STREAM_FORMAT_BDU_FRAME;
> I think output_stream_format will be set at negotitation time, so we should not
> set it here.
It is set in the negotiation time, but if there's nothing in the caps,
output_stream_format keeps its original value of VC1_STREAM_FORMAT_BDU, and the
parsing stops because the element assume a wrong conversion.
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