Re: [FFmpeg-trac] #10696(undetermined:new): 44.1 16-bit monkey's audio .ape file decodes with blasts of noise

[FFmpeg]

#10696: 44.1 16-bit monkey's audio .ape file decodes with blasts of noise
-+-
 Reporter:   |Owner:  (none)
  therentabrain  |
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:  monkey's |   Blocked By:
  audio .ape |
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Description changed by therentabrain:

Old description:

> Summary of the bug:
> Occasional .ape files created by Monkey's Audio 3.88 in Extra High mode
> are mangled when read by ffmpeg, as containing sections of white noise
> and/or silence.  Out of about 60 files in my tests, it happened 3 times.
>
> Files created by Monkey's Audio 3.99 did not seem to have this problem in
> my experience.  Still, the problem files test with no errors and can be
> successfully played in Winamp or decompressed by either version of MA
> without a problem.  Only ffmpeg fails and only under this specific
> situation.
>

> How to reproduce:
> {{{
> I:\>ffmpeg -i themagicwannago.ape themagicwannago.wav
> ffmpeg version 2023-11-22-git-0008e1c5d5-full_build-www.gyan.dev
> Copyright (c) 2000-2023 the FFmpeg developers
>   built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
>   configuration: --enable-gpl --enable-version3 --enable-static --pkg-
> config=pkgconf --disable-w32threads --disable-autodetect --enable-
> fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
> --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-
> librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
> --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24
> --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-
> libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-
> libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
> libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-
> libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-
> libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun
> --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf
> --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec
> --enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --enable-
> libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-
> libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-
> libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-
> libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2
> --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-
> libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-
> libbs2b --enable-libflite --enable-libmysofa --enable-librubberband
> --enable-libsoxr --enable-chromaprint
>   libavutil  58. 32.100 / 58. 32.100
>   libavcodec 60. 34.100 / 60. 34.100
>   libavformat60. 17.100 / 60. 17.100
>   libavdevice60.  4.100 / 60.  4.100
>   libavfilter 9. 13.100 /  9. 13.100
>   libswscale  7.  6.100 /  7.  6.100
>   libswresample   4. 13.100 /  4. 13.100
>   libpostproc57.  4.100 / 57.  4.100
> Input #0, ape, from 'themagicwannago.ape':
>   Duration: 00:00:01.87, start: 0.00, bitrate: 370 kb/s
>   Stream #0:0: Audio: ape (APE  / 0x20455041), 44100 Hz, stereo, s16p
> Stream mapping:
>   Stream #0:0 -> #0:0 (ape (native) -> pcm_s16le (native))
> Press [q] to stop, [?] for help
> Output #0, wav, to 'themagicwannago.wav':
>   Metadata:
> ISFT: Lavf60.17.100
>   Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> stereo, s16, 1411 kb/s
> Metadata:
>   encoder : Lavc60.34.100 pcm_s16le
> [out#0/wav @ 017fc96c8880] video:0kB audio:322kB subtitle:0kB other
> streams:0kB global headers:0kB muxing overhead: 0.023639%
> size= 322kB time=00:00:01.67 bitrate=1579.3kbits/s speed= 101x
> }}}
>
> File info from Monkey's Audio 3.88:
>
> {{{
> Format Info
> Version: 3.8
> Mode: Extra High
> Format Flags: 6
> Tag: None
> Audio Info
> Sample Rate: 44100
> Channels: 2
> Bits Per Sample: 16
> Peak Level: 22186
> Length / Size Info
> Length: 0:01
> File Size: 0.00 MB
> Compression: 26.22%
> }}}
>
> Monkey's Audio 3.99 reports no errors with it either, and both versions
> of MA have no problems decoding it correctly.  Then, the resulting WAV
> can then be turned into FLAC etc by ffmpeg just fine.
>
> ''I did notice that using MediaInfo v0.7.80, the number of tracks is
> hugel

[FFmpeg-trac] #10696(undetermined:new): 44.1 16-bit monkey's audio .ape file decodes with blasts of noise

[FFmpeg]

#10696: 44.1 16-bit monkey's audio .ape file decodes with blasts of noise
-+-
 Reporter:   | Type:  defect
  therentabrain  |
   Status:  new  | Priority:  normal
Component:   |  Version:
  undetermined   |  unspecified
 Keywords:  monkey's |   Blocked By:
  audio .ape |
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
 Summary of the bug:
 Occasional .ape files created by Monkey's Audio 3.88 in Extra High mode
 are mangled when read by ffmpeg, as containing sections of white noise
 and/or silence.  Out of about 60 files in my tests, it happened 3 times.

 Files created by Monkey's Audio 3.99 did not seem to have this problem in
 my experience.  Still, the problem files test with no errors and can be
 successfully played in Winamp or decompressed by either version of MA
 without a problem.  Only ffmpeg fails and only under this specific
 situation.


 How to reproduce:
 {{{
 I:\>ffmpeg -i themagicwannago.ape themagicwannago.wav
 ffmpeg version 2023-11-22-git-0008e1c5d5-full_build-www.gyan.dev Copyright
 (c) 2000-2023 the FFmpeg developers
   built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --pkg-
 config=pkgconf --disable-w32threads --disable-autodetect --enable-
 fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
 --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-
 librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
 --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24
 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-
 libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-
 libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
 libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-
 libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-
 libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun
 --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf
 --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec
 --enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --enable-
 libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-
 libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-
 libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora
 --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-
 libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus
 --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b
 --enable-libflite --enable-libmysofa --enable-librubberband --enable-
 libsoxr --enable-chromaprint
   libavutil  58. 32.100 / 58. 32.100
   libavcodec 60. 34.100 / 60. 34.100
   libavformat60. 17.100 / 60. 17.100
   libavdevice60.  4.100 / 60.  4.100
   libavfilter 9. 13.100 /  9. 13.100
   libswscale  7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
   libpostproc57.  4.100 / 57.  4.100
 Input #0, ape, from 'themagicwannago.ape':
   Duration: 00:00:01.87, start: 0.00, bitrate: 370 kb/s
   Stream #0:0: Audio: ape (APE  / 0x20455041), 44100 Hz, stereo, s16p
 Stream mapping:
   Stream #0:0 -> #0:0 (ape (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Output #0, wav, to 'themagicwannago.wav':
   Metadata:
 ISFT: Lavf60.17.100
   Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo,
 s16, 1411 kb/s
 Metadata:
   encoder : Lavc60.34.100 pcm_s16le
 [out#0/wav @ 017fc96c8880] video:0kB audio:322kB subtitle:0kB other
 streams:0kB global headers:0kB muxing overhead: 0.023639%
 size= 322kB time=00:00:01.67 bitrate=1579.3kbits/s speed= 101x
 }}}

 File info from Monkey's Audio 3.88:

 {{{
 Format Info
 Version: 3.8
 Mode: Extra High
 Format Flags: 6
 Tag: None
 Audio Info
 Sample Rate: 44100
 Channels: 2
 Bits Per Sample: 16
 Peak Level: 22186
 Length / Size Info
 Length: 0:01
 File Size: 0.00 MB
 Compression: 26.22%
 }}}

 Monkey's Audio 3.99 reports no errors with it either, and both versions of
 MA have no problems decoding it correctly.  Then, the resulting WAV can
 then be turned into FLAC etc by ffmpeg just fine.

 ''I did notice that using MediaInfo v0.7.80, the number of tracks is
 hugely incorrect on these files.  The attached test file here shows as
 2,500 tracks in MediaInfo, when it should say two.  In my limited
 experience, MediaInfo is capable of seeing the correct number of tracks in
 my

Re: [FFmpeg-trac] #10696(undetermined:new): 44.1 16-bit monkey's audio .ape file decodes with blasts of noise

[FFmpeg]

#10696: 44.1 16-bit monkey's audio .ape file decodes with blasts of noise
-+-
 Reporter:   |Owner:  (none)
  therentabrain  |
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:  monkey's |   Blocked By:
  audio .ape |
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Changes (by therentabrain):

 * Attachment "themagicwannago.wav" added.

 Output of ffmpeg, just noise
-- 
Ticket URL: 
FFmpeg 
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Re: [FFmpeg-trac] #10696(undetermined:new): 44.1 16-bit monkey's audio .ape file decodes with blasts of noise

[FFmpeg]

#10696: 44.1 16-bit monkey's audio .ape file decodes with blasts of noise
-+-
 Reporter:   |Owner:  (none)
  therentabrain  |
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:  monkey's |   Blocked By:
  audio .ape |
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Changes (by therentabrain):

 * Attachment "themagicwannago.ape" added.

 ape file made with v2.88, tests as valid and plays fine, chokes in ffmpeg
-- 
Ticket URL: 
FFmpeg 
FFmpeg issue tracker___
FFmpeg-trac mailing list
FFmpeg-trac@avcodec.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-trac

To unsubscribe, visit link above, or email
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