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#7692 closed defect (duplicate)

Can't decode mp4als floating-point

Reported by:	Rollinnn	Owned by:
Priority:	normal	Component:	undetermined
Version:	git-master	Keywords:
Cc:		Blocked By:
Blocking:		Reproduced by developer:	no
Analyzed by developer:	no

Description

Summary of the bug:
ffmpeg can decode mp4als with fixed-point bitdepth in mp4 container, but it can't decode mp4als with floating point
How to reproduce:

ffmpeg -i D:\Downloaded\SAMPLES\DTSX-samples\6-channels\files.mp4\mpegals32.mp4 D:\Downloaded\SAMPLES\DTSX-samples\6-channels\files.mp4\mpegals32.wav
ffmpeg version N-93001-g87c165c237 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.2.1 (GCC) 20181201
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 44.100 / 58. 44.100
  libavformat    58. 26.100 / 58. 26.100
  libavdevice    58.  6.101 / 58.  6.101
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\Downloaded\SAMPLES\DTSX-samples\6-channels\files.mp4\mpegals32.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2019-01-22T15:02:48.000000Z
  Duration: 00:00:05.89, start: 0.000000, bitrate: 1775 kb/s
    Stream #0:0(und): Audio: mp4als (mp4a / 0x6134706D), 48000 Hz, stereo, flt, 1774 kb/s (default)
    Metadata:
      creation_time   : 2019-01-22T15:02:48.000000Z
Stream mapping:
  Stream #0:0 -> #0:0 (mp4als (als) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 10 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 17 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 13 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 12 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 12 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 11 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 11 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 7 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 7 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 4 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 6 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 5 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 3 times
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 1 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
    Last message repeated 2 times
[als @ 059d37c0] MLZ dic index error.
[als @ 059d37c0] MLZ offset error.
[als @ 059d37c0] Invalid channel pair.
[als @ 059d37c0] MLZ dic index error.
    Last message repeated 1 times
[als @ 059d37c0] quant_cof -65 is out of range.
[als @ 059d37c0] Reading frame data failed. Skipping RA unit.
Output #0, wav, to 'D:\Downloaded\SAMPLES\DTSX-samples\6-channels\files.mp4\mpegals32.wav':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    ISFT            : Lavf58.26.100
    Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      creation_time   : 2019-01-22T15:02:48.000000Z
      encoder         : Lavc58.44.100 pcm_s16le
size=      32kB time=00:00:00.17 bitrate=1539.7kbits/s speed=0.195x
video:0kB audio:32kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.238037%

Attached file was created with reference encoder mp4alsRM23.exe (https://www.nue.tu-berlin.de/fileadmin/fg97/Forschung/Projekte/Beendete_Projekte/MPEG4_ALS/mp4alsRM23win.zip) and can be successfully decoded with it

Attachments (1)

mp4als32.mp4 (1.2 MB ) - added by Rollinnn 6 years ago.

Download all attachments as: .zip

Change History (2)

by Rollinnn, 6 years ago

Attachment:	mp4als32.mp4 added

comment:1 by Carl Eugen Hoyos, 6 years ago

Resolution:	→ duplicate
Status:	new → closed

Duplicate of ticket #5437.

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