[FFmpeg-trac] #10026(ffplay:new): ffplay doesn't play audio on file with 12 audio channels
FFmpeg
trac at avcodec.org
Fri Nov 11 15:33:01 EET 2022
#10026: ffplay doesn't play audio on file with 12 audio channels
---------------------------------+----------------------------------
Reporter: diogo.r | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: ffplay
Version: 5.1.2 | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
---------------------------------+----------------------------------
Description changed by diogo.r:
Old description:
> Summary of the bug:
> When playing this 12 audio channel file, ffplay doesn't play audio and
> prints a message that seems to indicate undefined behavior (weird
> characters, different each time).
>
> How to reproduce:
>
> {{{
> % ffplay.exe .\12-audio-channels.mkv
> ffplay version 5.1-essentials_build-www.gyan.dev Copyright (c) 2003-2022
> the FFmpeg developers
> built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
> configuration: --enable-gpl --enable-version3 --enable-static
> --disable-w32threads --disable-autodetect --enable-fontconfig --enable-
> iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma
> --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-
> avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265
> --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx
> --enable-libass --enable-libfreetype --enable-libfribidi --enable-
> libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-
> llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc
> --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libgme --enable-
> libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-
> libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-
> amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-
> librubberband
> libavutil 57. 28.100 / 57. 28.100
> libavcodec 59. 37.100 / 59. 37.100
> libavformat 59. 27.100 / 59. 27.100
> libavdevice 59. 7.100 / 59. 7.100
> libavfilter 8. 44.100 / 8. 44.100
> libswscale 6. 7.100 / 6. 7.100
> libswresample 4. 7.100 / 4. 7.100
> libpostproc 56. 6.100 / 56. 6.100
> Input #0, matroska,webm, from '.\12-audio-channels.mkv': 0B f=0/0
> Metadata:
> COMPATIBLE_BRANDS: mp42isomavc1
> MAJOR_BRAND : mp42
> MINOR_VERSION : 0
> ENCODER : Lavf59.27.100
> Duration: 00:00:05.57, start: 0.000000, bitrate: 13983 kb/s
> Stream #0:0: Audio: pcm_s24le, 48000 Hz, 12 channels, s32 (24 bit),
> 13824 kb/s
> Metadata:
> ENCODER : Lavc59.37.100 pcm_s24le
> DURATION : 00:00:05.568000000
> Stream #0:1: Video: h264 (High), yuv420p(tv, bt709, progressive),
> 560x320, 30 fps, 30 tbr, 1k tbn (default)
> Metadata:
> VENDOR_ID : [0][0][0][0]
> ENCODER : Lavc59.37.100 libx264
> DURATION : 00:00:05.533000000
> SDL_OpenAudio (12 channels, 48000 Hz): Unsupported number of audio
> channels.
> [SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
> but there is not enough information to do it
> Cannot create sample rate converter for conversion of 48000 Hz s16 12
> channels to 48000 Hz s16 2 channels!
> [SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
> but there is not enough information to do it
> Cannot create sample rate converter for conversion of 48000 Hz s16 12
> channels to 48000 Hz s16 2 channels!
> [SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
> but there is not enough information to do it
> Cannot create sample rate converter for conversion of 48000 Hz s16 12
> channels to 48000 Hz s16 2 channels!
> [...]
> }}}
New description:
Summary of the bug:
When playing this 12 audio channel file, ffplay doesn't play audio and
prints a message that seems to indicate undefined behavior (weird
characters, different each time).
File: https://www.dropbox.com/s/0sysv238h8fl6h0/12-audio-channels.mkv?dl=0
How to reproduce:
{{{
% ffplay.exe .\12-audio-channels.mkv
ffplay version 5.1-essentials_build-www.gyan.dev Copyright (c) 2003-2022
the FFmpeg developers
built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static --disable-
w32threads --disable-autodetect --enable-fontconfig --enable-iconv
--enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-zlib
--enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
--enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-
libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-
libass --enable-libfreetype --enable-libfribidi --enable-libvidstab
--enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm
--enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-
d3d11va --enable-dxva2 --enable-libmfx --enable-libgme --enable-libopenmpt
--enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora
--enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb
--enable-libopus --enable-libspeex --enable-libvorbis --enable-
librubberband
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
libpostproc 56. 6.100 / 56. 6.100
Input #0, matroska,webm, from '.\12-audio-channels.mkv': 0B f=0/0
Metadata:
COMPATIBLE_BRANDS: mp42isomavc1
MAJOR_BRAND : mp42
MINOR_VERSION : 0
ENCODER : Lavf59.27.100
Duration: 00:00:05.57, start: 0.000000, bitrate: 13983 kb/s
Stream #0:0: Audio: pcm_s24le, 48000 Hz, 12 channels, s32 (24 bit),
13824 kb/s
Metadata:
ENCODER : Lavc59.37.100 pcm_s24le
DURATION : 00:00:05.568000000
Stream #0:1: Video: h264 (High), yuv420p(tv, bt709, progressive),
560x320, 30 fps, 30 tbr, 1k tbn (default)
Metadata:
VENDOR_ID : [0][0][0][0]
ENCODER : Lavc59.37.100 libx264
DURATION : 00:00:05.533000000
SDL_OpenAudio (12 channels, 48000 Hz): Unsupported number of audio
channels.
[SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
but there is not enough information to do it
Cannot create sample rate converter for conversion of 48000 Hz s16 12
channels to 48000 Hz s16 2 channels!
[SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
but there is not enough information to do it
Cannot create sample rate converter for conversion of 48000 Hz s16 12
channels to 48000 Hz s16 2 channels!
[SWR @ 0000023e85d75640] Rematrix is needed between 12 channels and Vׅ>?
but there is not enough information to do it
Cannot create sample rate converter for conversion of 48000 Hz s16 12
channels to 48000 Hz s16 2 channels!
[...]
}}}
--
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10026#comment:1>
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