On Tue, May 02, 2023 at 09:31:35AM +0000, Anton Khirnov wrote: > ffmpeg | branch: master | Anton Khirnov | Wed Apr 26 10:51:38 2023 +0200| [129c7bf53fbe2be4f5483ecf6fc036ff9caf05cf] | committer: Anton Khirnov > > fftools/ffmpeg: always use the same path for setting InputStream.[next_]dts > > Currently those are set in different ways depending on whether the > stream is decoded or not, using some values from the decoder if it is. > This is wrong, because there may be arbitrary amount of delay between > input packets and output frames (depending e.g. on the thread count when > frame threading is used). > > Always use the path that was previously used only for streamcopy. This > should not cause any issues, because these values are now used only for > streamcopy and discontinuity handling. > > This change will allow to decouple discontinuity processing from > decoding and move it to ffmpeg_demux. It also makes the code simpler. > > Changes output in fate-cover-art-aiff-id3v2-remux and > fate-cover-art-mp3-id3v2-remux, where attached pictures are now written > in the correct order. This happens because InputStream.dts is no longer > reset to AV_NOPTS_VALUE after decoding, so streamcopy actually sees > valid dts values. > > > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=129c7bf53fbe2be4f5483ecf6fc036ff9caf05cf > --- > > fftools/ffmpeg.c | 34 +++++-------------------------- > tests/ref/fate/cover-art-aiff-id3v2-remux | 34 +++++++++++++++---------------- > tests/ref/fate/cover-art-mp3-id3v2-remux | 22 ++++++++++---------- > 3 files changed, 33 insertions(+), 57 deletions(-) Causes assertion failures Assertion pkt->duration >= 0 failed at fftools/ffmpeg.c:1502 Aborted (core dumped) ill send you the file privately [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.