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April 2023

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#10297(undetermined:new): Wrong WEBM length for .mkv to .webm conversion.
by FFmpeg 02 Apr '23

02 Apr '23

#10297: Wrong WEBM length for .mkv to .webm conversion. -------------------------------------+------------------------------------- Reporter: rfulton88 | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: How to reproduce: {{{ % ffmpeg -ss 4236.5 -t 3.90 -i "D:\Apps\ffmpeg\bin\black.adam.4k.mkv" -c:v vp8 -c:a libvorbis meme.webm ffmpeg version N-110129-gd2e1389285-20230331 Copyright (c) 2000-2023 the FFmpeg developers }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10297> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#10298(ffmpeg:new): DV to DVD Video with pcm_dvd Audio outputs a lot of Buffer Underflow
by FFmpeg 01 Apr '23

01 Apr '23

#10298: DV to DVD Video with pcm_dvd Audio outputs a lot of Buffer Underflow -------------------------------------+------------------------------------- Reporter: Terje J. | Type: defect Hanssen | Status: new | Priority: normal Component: ffmpeg | Version: 5.1.2 Keywords: pcm_dvd, | Blocked By: buffer underflow | Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: How to reproduce: {{{ % ffmpeg -hide_banner -i dv01.dv -f dvd -target pal-dvd -aspect 4:3 -b:v 8M -mbd rd -trellis 1 -cmp 0 -subcmp 2 -c:a pcm_dvd paldvdhqFS+pcm_dvd_dv01.mpg ffmpeg version 5.1.2 built on openSUSE Tumbleweed }}} And another try {{{ % ffmpeg -hide_banner -i dv01.dv -c:v mpeg2video -refs 1 -bf 2 -b:v 8M -maxrate 8M -minrate 8M -bufsize 20M -muxrate 11M -dc 10 -c:a pcm_dvd -f vob -flags +ilme+ildct dv01.mpg ffmpeg version 5.1.2 built on openSUSE Tumbleweed }}} With reference to pcm_dvd Audio codec was added 5 years ago https://trac.ffmpeg.org/ticket/6782 -- Ticket URL: <https://trac.ffmpeg.org/ticket/10298> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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