[FFmpeg-devel] [PATCH] h264 parser: detect new extradata on frame parsing.
benoit.fouet at free.fr
Wed Jul 23 16:34:11 CEST 2014
----- Mail original -----
> Am 23.07.2014 15:49 schrieb "Benoit Fouet" <benoit.fouet at free.fr>:
> > Try to detect new extradata when parsing frames, and decode it.
> > Fixes issue #3787
> > ---
> > libavcodec/h264_parser.c | 34 ++++++++++++++++++++++++++++++++++
> > 1 file changed, 34 insertions(+)
> Having AVC style extradata in the middle of a stream seems like an
> file. The stream should only include NALUs, with start code or with
> prefix, but not random extra data.
I cannot comment on this, my knowledge being very limited.
If you think that the file attached to #3787 is invalid, could you comment on the bug tracker?
> I'm not liking such a hack, especially in the parser, as the decoder
> parser could even use separate context (parsing is typically done in
> demuxing step)
The parser already decodes extradata using the same method (see got_first at the beginning of the same h264_parse function).
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