ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Fri Jun 17 01:54:22 2022 +0200| [a367e435d816dfe6939ab9932e87c089fb1f3f73] | committer: Andreas Rheinhardt
avcodec/av1: Add upper bound for the size of a sane sequence header It will be used by the Matroska muxer to reserve a certain number of bytes for the CodecPrivate in case no extradata is initially available (as it is for the libaom-av1 encoder). Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a367e435d816dfe6939ab9932e87c089fb1f3f73 --- libavcodec/av1.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/av1.h b/libavcodec/av1.h index 951a18ecb2..384f7cddc7 100644 --- a/libavcodec/av1.h +++ b/libavcodec/av1.h @@ -175,4 +175,10 @@ enum { AV1_RESTORE_SWITCHABLE = 3, }; +// Sequence Headers are actually unbounded because one can use +// an arbitrary number of leading zeroes when encoding via uvlc. +// The following estimate is based around using the lowest number +// of bits for uvlc encoding. +#define AV1_SANE_SEQUENCE_HEADER_MAX_BITS 3138 + #endif /* AVCODEC_AV1_H */ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
