[FFmpeg-trac] #9187(ffmpeg:new): Error merging some vp9+opus

FFmpeg trac at avcodec.org
Tue Apr 13 20:23:21 EEST 2021


#9187: Error merging some vp9+opus
-----------------------------------+--------------------------------------
             Reporter:  pukkandan  |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  ffmpeg     |                  Version:  git-master
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
-----------------------------------+--------------------------------------
 Some vp9+opus files dont merge correctly with the latest versions of
 ffmpeg without a re-encode. It does however work with ffmpeg version
 `3.0.1` and earlier.

 It can be reproduced on the formats 303+251 downloaded using `youtube-dl`
 from the URL `https://youtu.be/W9mNLFseTT4` (Command: `youtube-dl
 W9mNLFseTT4 -f 303,251 -o "%(format_id)s.%(ext)s"`) and then merging them
 with ffmpeg. Note that this is not the only affected video, but simply one
 example

 Related: https://github.com/ytdl-org/youtube-dl/issues/28042

 Download:
 {{{
 $ youtube-dl W9mNLFseTT4 -f 303,251 -o "%(format_id)s.%(ext)s"
 [youtube] W9mNLFseTT4: Downloading webpage
 [youtube] W9mNLFseTT4: Downloading MPD manifest
 [info] W9mNLFseTT4: downloading video in 2 formats
 [dashsegments] Total fragments: 55
 [download] Destination: 303.webm
 [download] 100% of 20.31MiB in 00:52
 [download] Destination: 251.webm
 [download] 100% of 3.15MiB in 00:01
 }}}

 Trying to merge (doesnt work):
 {{{
 $ ffmpeg -y -i 'file:303.webm' -i 'file:251.webm' -c copy 'file:out.webm'
 ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from 'file:303.webm':
   Metadata:
     encoder         : google/video-file
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94
 tbr, 1k tbn, 1k tbc (default)
 Input #1, matroska,webm, from 'file:251.webm':
   Metadata:
     encoder         : google/video-file
   Duration: 00:04:46.56, start: -0.007000, bitrate: 92 kb/s
     Stream #1:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
 Output #0, webm, to 'file:out.webm':
   Metadata:
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
     encoder         : Lavf58.29.100
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010 [SAR 1:1 DAR 192:101], q=2-31, 59.94
 fps, 59.94 tbr, 1k tbn, 1k tbc (default)
     Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #1:0 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [webm @ 0x7fffd697f000] Application provided invalid, non monotonically
 increasing dts to muxer in stream 0: 5355 >= 5339
 av_interleaved_write_frame(): Invalid argument
 frame=  323 fps=0.0 q=-1.0 Lsize=     472kB time=00:00:05.36 bitrate=
 721.1kbits/s speed=  88x
 video:459kB audio:63kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!
 }}}

 Merging and re-encoding (works):
 {{{
 $ ffmpeg -y -i 'file:303.webm' -i 'file:251.webm' 'file:out.webm'
 ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from 'file:303.webm':
   Metadata:
     encoder         : google/video-file
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94
 tbr, 1k tbn, 1k tbc (default)
 Input #1, matroska,webm, from 'file:251.webm':
   Metadata:
     encoder         : google/video-file
   Duration: 00:04:46.56, start: -0.007000, bitrate: 92 kb/s
     Stream #1:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
 Stream mapping:
   Stream #0:0 -> #0:0 (vp9 (native) -> vp9 (libvpx-vp9))
   Stream #1:0 -> #0:1 (opus (native) -> opus (libopus))
 Press [q] to stop, [?] for help
 [libvpx-vp9 @ 0x7fffe2d4d440] v1.8.2
 [libopus @ 0x7fffe2d71440] No bit rate set. Defaulting to 96000 bps.
 Output #0, webm, to 'file:out.webm':
   Metadata:
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
     encoder         : Lavf58.29.100
     Stream #0:0(eng): Video: vp9 (libvpx-vp9), yuv420p(progressive),
 1920x1010 [SAR 1:1 DAR 192:101], q=-1--1, 200 kb/s, 59.94 fps, 1k tbn,
 59.94 tbc (default)
     Metadata:
       encoder         : Lavc58.54.100 libvpx-vp9
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
     Stream #0:1(eng): Audio: opus (libopus), 48000 Hz, stereo, flt, 96
 kb/s (default)
     Metadata:
       encoder         : Lavc58.54.100 libopus
 frame=17176 fps=9.1 q=0.0 Lsize=   13611kB time=00:04:46.56 bitrate=
 389.1kbits/s dup=0 drop=1 speed=0.153x
 video:11118kB audio:2286kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 1.541597%
 }}}

 Using older ffmpeg (works):
 {{{
 $ ffmpeg -y -i "file:303.webm" -i "file:251.webm" -c copy "file:out-
 old.webm"
 ffmpeg version 3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
   built with gcc 5.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
 --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
 --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
 --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
 libzimg --enable-lzma --enable-decklink --enable-zlib
   libavutil      55. 17.103 / 55. 17.103
   libavcodec     57. 24.102 / 57. 24.102
   libavformat    57. 25.100 / 57. 25.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 31.100 /  6. 31.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, matroska,webm, from 'file:303.webm':
   Metadata:
     encoder         : google/video-file
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94
 tbr, 1k tbn, 1k tbc (default)
 Input #1, matroska,webm, from 'file:251.webm':
   Metadata:
     encoder         : google/video-file
   Duration: 00:04:46.56, start: 0.007000, bitrate: 92 kb/s
     Stream #1:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
 Output #0, webm, to 'file:out-old.webm':
   Metadata:
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
     encoder         : Lavf57.25.100
     Stream #0:0(eng): Video: vp9, yuv420p, 1920x1010 [SAR 1:1 DAR
 192:101], q=2-31, 59.94 fps, 59.94 tbr, 1k tbn, 1k tbc (default)
     Stream #0:1(eng): Audio: opus, 48000 Hz, stereo (default)
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #1:0 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [webm @ 00000116e690fc00] Non-monotonous DTS in output stream 0:0;
 previous: 5355, current: 5339; changing to 5355. This may result in
 incorrect timestamps in the output file.
 frame=20612 fps=14215 q=-1.0 Lsize=   24027kB time=00:04:46.54 bitrate=
 686.9kbits/s speed= 198x
 video:20667kB audio:3123kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 0.999242%
 }}}

 ffprobe of all the files:
 {{{
 $ ffprobe 303.webm
 ffprobe version 4.2.4-1ubuntu0.1 Copyright (c) 2007-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from '303.webm':
   Metadata:
     encoder         : google/video-file
     http://youtube.com/streaming/otf/durations/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94
 tbr, 1k tbn, 1k tbc (default)

 $ ffprobe 251.webm
 ffprobe version 4.2.4-1ubuntu0.1 Copyright (c) 2007-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from '251.webm':
   Metadata:
     encoder         : google/video-file
   Duration: 00:04:46.56, start: -0.007000, bitrate: 92 kb/s
     Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)

 $ ffprobe out.webm
 ffprobe version 4.2.4-1ubuntu0.1 Copyright (c) 2007-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from 'out.webm':
   Metadata:
     HTTP://YOUTUBE.COM/STREAMING/OTF/DURATIONS/112015: Segment-Count: 54
                     : Segment-Durations-Ms:
 5339,5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),5338,5339(r=1),533
                     :
                     :
     ENCODER         : Lavf58.29.100
   Duration: 00:04:46.55, start: -0.006000, bitrate: 389 kb/s
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv, progressive),
 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94 tbr, 1k tbn, 1k tbc
 (default)
     Metadata:
       ENCODER         : Lavc58.54.100 libvpx-vp9
       DURATION        : 00:04:46.553000000
     Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
     Metadata:
       ENCODER         : Lavc58.54.100 libopus
       DURATION        : 00:04:46.553000000

 $ ffprobe out-old.webm
 ffprobe version 4.2.4-1ubuntu0.1 Copyright (c) 2007-2020 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
   configuration: --prefix=/usr --extra-version=1ubuntu0.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
 --disable-stripping --enable-avresample --disable-filter=resample
 --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librsvg --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl
 --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264
 --enable-shared
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 Input #0, matroska,webm, from 'out-old.webm':
   Metadata:
     encoder         : Lavf57.25.100
   Duration: 00:04:46.56, start: -0.007000, bitrate: 686 kb/s
     Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv,
 bt709/unknown/unknown), 1920x1010, SAR 1:1 DAR 192:101, 59.94 fps, 59.94
 tbr, 1k tbn, 1k tbc (default)
     Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
 }}}

 The logs are from `4.2.4` since that is the latest version available in
 ubuntu18 universe. I have tested the same commands in `2021-04-11-git-
 309e3cc15c-full_build-www.gyan.dev` on windows with same results

 This is my first time opening an issue here. So please let me know if I
 need to provide any more information

--
Ticket URL: <https://trac.ffmpeg.org/ticket/9187>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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