A piece of software I'm using is trying to remux a file and running into an error:
$ ffmpeg -f avi -i file:"/tmp/vid.avi" -sn -codec:v:0 copy -flags
-global_header -fflags +genpts -vsync -1 -map_metadata -1 -map_chapters -1
-threads 0 -codec:a:0 ac3 -ac 6 -ab 192000 -y "/tmp/vid.mkv"
ffmpeg version 4.0.3 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8 (GCC)
configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg
--docdir=/usr/share/doc/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64
--mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall
-Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
-fexceptions -fstack-protector-strong -grecord-gcc-switches
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
--extra-ldflags='-Wl,-z,relro -Wl,-z,now
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld ' --extra-cflags=' '
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc
--enable-version3 --enable-bzlib --disable-crystalhd --enable-fontconfig
--enable-frei0r --enable-gcrypt --enable-gnutls --enable-ladspa --enable-libaom
--enable-libass --enable-libbluray --enable-libcdio --enable-libdrm
--enable-indev=jack --enable-libfreetype --enable-libfribidi --enable-libgsm
--enable-libmp3lame --enable-nvenc --enable-openal --enable-opencl
--enable-opengl --enable-libopenjpeg --enable-libopus --enable-libpulse
--enable-librsvg --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libvorbis --enable-libv4l2 --enable-libvidstab --enable-libvmaf
--enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid
--enable-libzvbi --enable-avfilter --enable-avresample --enable-postproc
--enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug
--disable-stripping --shlibdir=/usr/lib64 --enable-libmfx
--enable-runtime-cpudetect
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
Input #0, avi, from 'file:/tmp/vid.avi':
Metadata:
encoder : Nandub v1.0rc2
Duration: 00:00:04.00, start: 0.000000, bitrate: 2095 kb/s
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658),
yuv420p, 720x304 [SAR 1:1 DAR 45:19], 23.98 fps, 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp,
384 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (ac3 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[ac3 @ 0x5590061fd340] frame sync error
Error while decoding stream #0:1: Invalid data found when processing input
Output #0, matroska, to '/tmp/vid.mkv':
Metadata:
encoder : Lavf58.12.100
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658),
yuv420p, 720x304 [SAR 1:1 DAR 45:19], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn,
23.98 tbc
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1, fltp, 192 kb/s
Metadata:
encoder : Lavc58.18.100 ac3
[matroska @ 0x5590061efb00] Timestamps are unset in a packet for stream 0. This
is deprecated and will stop working in the future. Fix your code to set the
timestamps properly
[matroska @ 0x5590061efb00] Can't write packet with unknown timestamp
av_interleaved_write_frame(): Invalid argument
frame= 1 fps=0.0 q=-1.0 Lsize= 12kB time=00:00:00.50 bitrate=
197.6kbits/s speed=94.5x
video:2kB audio:11kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: unknown
Conversion failed!
/tmp/vid.avi can be found at:
https://drive.google.com/file/d/1llf7h51ZwqsodpsPAqW01JjePs1ZxeCd/view?usp=sharing
Any ideas?
Cheers,
b.
P.S. I was going to put this into a trac ticket, but trac doesn't seem
to be sending account verification tokens.
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