On Sat, Jun 8, 2024 at 8:36 AM Mark Filipak <markfilipak.i...@gmail.com> wrote:
> '-bsf setts=pts' seems to always work, but '-bsf setts=dts' has problems. > Look: > It is evident that you never looked at actual setts documentation. # ffmpeg -h bsf=setts ffmpeg version N-115950-g1f63f014ff Copyright (c) 2000-2024 the FFmpeg developers built with clang version 17.0.6 configuration: --cc='ccache clang' --as='ccache clang' --disable-indevs --disable-outdevs --disable-autodetect --enable-sdl2 --enable-gpl --enable-indev=lavfi --enable-indev=alsa --enable-outdev=alsa --enable-nonfree --enable-zlib --enable-openssl --disable-static --enable-shared --enable-clap --enable-ladspa --enable-libflite --enable-lv2 --enable-version3 --enable-libmp3lame --enable-libmysofa --enable-libx264 --enable-fontconfig --enable-libfreetype --enable-libass --enable-librubberband --enable-libzimg --enable-libharfbuzz --disable-stripping --disable-htmlpages --enable-libsoxr --samples=../fate-suite libavutil 59. 21.100 / 59. 21.100 libavcodec 61. 6.100 / 61. 6.100 libavformat 61. 3.104 / 61. 3.104 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.102 / 10. 2.102 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 Bit stream filter setts setts_bsf AVOptions: -ts <string> ...VAS..B.. set expression for packet PTS and DTS (default "TS") -pts <string> ...VAS..B.. set expression for packet PTS -dts <string> ...VAS..B.. set expression for packet DTS -duration <string> ...VAS..B.. set expression for packet duration (default "DURATION") -time_base <rational> ...VAS..B.. set output timebase (from 0 to INT_MAX) (default 0/1) > > C:\Windows\System32>ffmpeg -copyts -i "g:\FANNY AND ALEXANDER > [1982(1983)]\00305.m2ts" -map 0 > -bsf noise=drop='lt(pts\,2854113)' > -c copy -sn -dn -muxdelay 0 "g:\FANNY AND ALEXANDER [1982(1983)]\foo.m2ts" > 0, 2846606, 2854113, 3753, 640646, 0x3a5a0c45, S=1, 1 > 0, 2854113, 2861621, 3753, 640646, 0x02208727, F=0x0, S=1, > 1 > > C:\Windows\System32>ffmpeg -copyts -i "g:\FANNY AND ALEXANDER > [1982(1983)]\00305.m2ts" -map 0 > -bsf > noise=drop='lt(pts\,2854113)',setts=dts='if(eq(DTS\,2846606)\,2850360\,DTS)' > -c copy -sn -dn -muxdelay 0 "g:\FANNY AND ALEXANDER [1982(1983)]\foo.m2ts" > The command provokes this: "Invalid DTS: 2850360 PTS: 2846606, replacing > by guess" > 0, 2846606, 2846606, 3753, 640646, 0x3a5a0c45, S=1, 1 > 0, 2854113, 2854113, 3753, 640646, 0x02208727, F=0x0, S=1, > 1 > There is nothing invalid with DTS: 2850360 if PTS is 2854113, but FFmpeg > appears to change PTS on > it's own, without a command to do it. > > The second command should not change PTSes, but it does. In fact, all > frame PTSes are being set to > their DTSes. > > I have documented a litany of DTS problems now. Are they being taken > seriously? > > This is unrelated to my investigation of splices and my search for a > workaround because of FFmpeg's > inability to set MPEG tag 'closed_gop' to '1'. Or maybe it is related, I > have no way to know. > > Will someone please work with me so I can share the source with them so > they can verify what I'm > seeing? I cannot continue to work alone on this. It's just too nerve > wracking. > Nobody can take you and your mails seriously. > --Mark. > _______________________________________________ > 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". > _______________________________________________ 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".
