On Tue, Apr 28, 2020 at 2:01 PM Lynne <d...@lynne.ee> wrote: > > Apr 27, 2020, 21:55 by mich...@niedermayer.cc: > > > On Mon, Apr 27, 2020 at 05:19:49PM +0200, Mattias Wadman wrote: > > > >> Fixes seek issue with ogg files that have segment data that happens to be > >> encoded as a "OggS" page syncword. Very unlikely but seems to happen. > >> > >> Have been observed to happen with ffmpeg+libvorbis and oggenc encoding > >> to 441khz stereo at 160kbps. > >> --- > >> libavformat/oggdec.c | 96 +++++++++++++++++++++++++++++++++----------- > >> 1 file changed, 73 insertions(+), 23 deletions(-) > >> > > > > breaks chained ogg > > > > ./ffmpeg -threads 1 -i ~/tickets/868/chained_streams.ogg -f null - > > > > frame= 954 fps=0.0 q=-0.0 Lsize=N/A time=00:00:31.79 bitrate=N/A speed= > > 105x > > vs > > frame= 120 fps=0.0 q=-0.0 Lsize=N/A time=00:00:03.99 bitrate=N/A speed= > > 289x > > > > stream should be here: > > http://v2v.cc/~j/theora_testsuite/chained_streams.ogg > > > > thx > > > > I've sent a patchset which amongst other things, implements this cleanly and > does not break that file. > Had this for a long time, wanted to finish Opus chaining, but seeing this > made me send it to the list.
Aha thanks. I should have asked on the list before starting, but i learned a lot. I will review your patches and try with some files that have the issue. Unfortunately i can't share them because of legal reasons. > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
