[FFmpeg-devel] [PATCH v7 3/4] ogg/vorbis: implement header packet skip in chained ogg bitstreams.

[Michael Niedermayer]

Hi Romain

On Wed, May 21, 2025 at 05:05:37PM -0500, Romain Beauxis wrote:
> ---
>  libavcodec/vorbis_parser.h                 | 11 ++++
>  libavcodec/vorbisdec.c                     | 75 +++++++++++++---------
>  libavformat/oggparsevorbis.c               | 63 +++++++++++++++++-
>  tests/ref/fate/ogg-vorbis-chained-meta.txt |  3 -
>  4 files changed, 115 insertions(+), 37 deletions(-)

make -j32 libavformat/tests/seek && libavformat/tests/seek ~/tickets/2739/lavf_ogm_seeking_borked.ogm
CC	libavcodec/libvorbisenc.o
CC	libavcodec/version.o
CC	libavcodec/vorbis_parser.o
CC	libavcodec/vorbisdec.o
CC	libswresample/version.o
CC	libavutil/version.o
CC	libavformat/oggparsevorbis.o
CC	libavformat/version.o
AR	libswresample/libswresample.a
AR	libavutil/libavutil.a
AR	libavcodec/libavcodec.a
AR	libavformat/libavformat.a
LD	libavformat/tests/seek
[ogg @ 0x558349c4f3c0] Headers mismatch for stream 1: expected 3 received 2.
[ogg @ 0x558349c4f3c0] Headers mismatch for stream 2: expected 3 received 2.
ret: 0         st: 0 flags:1 dts:-0.083417 pts: 0.000000 pos:    887 size:  3347
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    887 size:  3347
ret: 0         st:-1 flags:1  ts: 1.894167
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    887 size:  3347
ret: 0         st: 0 flags:0  ts: 0.792458
ret: 0         st: 1 flags:1 dts: 12.481333 pts: 12.481333 pos:2855209 size:   269
ret: 0         st: 0 flags:1  ts:-0.333666
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    887 size:  3347
ret: 0         st: 1 flags:0  ts: 2.576667
ret: 0         st: 1 flags:1 dts: 2.785333 pts: 2.785333 pos: 559697 size:   255
ret: 0         st: 1 flags:1  ts: 1.470833
ret: 0         st: 1 flags:1 dts: 1.164000 pts: 1.164000 pos: 192278 size:   275
ret: 0         st: 2 flags:0  ts: 0.365000
ret: 0         st: 2 flags:1 dts: 0.332000 pts: 0.332000 pos:  18959 size:   271
Segmentation fault (core dumped)

on samples server: ffmpeg-bugs/trac/ticket2739/lavf_ogm_seeking_borked.ogm

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20250524/73b3d464/attachment.sig>