On Wed, 19 Jun 2024 at 14:23, Mark Filipak <markfilipak.i...@gmail.com> wrote:
> I think this may be a far ranging bug that affects '-ss' and that provokes > many of the > "non-monotonous DTS" error messages that seem to appear out of nowhere when a > trivial, non-timing, > non-timestamp change is made to a transcode or to a remux. I confess that I > write "I think" rather > than "We think" because I've not yet gotten others on ffmpeg-user to look at > Ticket_11055.m2ts and > to take this issue seriously enough to join me. Certainly, no one else on > ffmpeg-user has > communicated that they've tested (or even watched) Ticket_11055.m2ts. I downloaded and played Ticket_11055.m2ts with vlc and mpv (which I installed to perform this test). Results appended below message, please let me know if you want this posted to the bug report on trac. Perceptually, both seem to play "properly", ie without pauses; however, mpv does note an "invalid video timestamp". Cheers & HTH, Rob ---------- Results ---------- $ time mpv Ticket_11055.m2ts (+) Video --vid=1 (h264 1920x1080 23.976fps) (+) Audio --aid=1 (dts 1ch 48000Hz) AO: [pulse] 48000Hz mono 1ch s32 VO: [gpu] 1920x1080 yuv420p Invalid video timestamp: 4.078233 -> 3.994822 AV: 00:00:04 / 00:00:04 (99%) A-V: 0.000 Exiting... (End of file) real 0m4.285s user 0m1.167s sys 0m0.167s $ time vlc --play-and-exit Ticket_11055.m2ts VLC media player 3.0.20 Vetinari (revision 3.0.20-0-g6f0d0ab126b) [--- generic nonspecific vlc complaints trimmed ---] [00007f1010c0a4f0] avcodec decoder: Using NVIDIA VDPAU Driver Shared Library 535.179 Fri Apr 26 21:32:27 UTC 2024 for hardware decoding [000055a606d597b0] main playlist: end of playlist, exiting real 0m4.591s user 0m0.294s sys 0m0.236s $ mpv --version mpv v0.38.0-dirty Copyright © 2000-2024 mpv/MPlayer/mplayer2 projects built on May 23 2024 10:29:03 libplacebo version: v6.338.2 FFmpeg version: n6.1.1 FFmpeg library versions: libavutil 58.29.100 libavcodec 60.31.102 libavformat 60.16.100 libswscale 7.5.100 libavfilter 9.12.100 libswresample 4.12.100 $ vlc --version VLC media player 3.0.20 Vetinari (revision 3.0.20-0-g6f0d0ab126b) VLC version 3.0.20 Vetinari (3.0.20-0-g6f0d0ab126b) Compiled by builduser on (May 4 2024 17:53:32) Compiler: gcc version 13.2.1 20240417 (GCC) This program comes with NO WARRANTY, to the extent permitted by law. You may redistribute it under the terms of the GNU General Public Licence; see the file named COPYING for details. Written by the VideoLAN team; see the AUTHORS file. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
