Opened 4 years ago

Closed 4 years ago

#4715 closed defect (fixed)

mpeg-4 als fails to decode

Reported by: ami_stuff Owned by: thilo.borgmann
Priority: normal Component: avcodec
Version: git-master Keywords: als
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

created with:

C:\>mp4alsRM23.exe -MP4 -p -g5 test.wav

http://www.datafilehost.com/d/d03611b8

C:\>ffmpeg -i test.mp4 out.wav
ffmpeg version N-73510-g033dc39 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.9.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --ena
ble-decklink --enable-zlib
  libavutil      54. 28.100 / 54. 28.100
  libavcodec     56. 47.100 / 56. 47.100
  libavformat    56. 40.100 / 56. 40.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 21.100 /  5. 21.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
  libpostproc    53.  3.100 / 53.  3.100
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2015-07-11 23:50:26
  Duration: 00:00:30.01, start: 0.000000, bitrate: 893 kb/s
    Stream #0:0(und): Audio: mp4als (mp4a / 0x6134706D), 44100 Hz, 2 channels, s
16, 893 kb/s (default)
    Metadata:
      creation_time   : 2015-07-11 23:50:26
Output #0, wav, to 'out.wav':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    ISFT            : Lavf56.40.100
    Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo
, s16, 1411 kb/s (default)
    Metadata:
      creation_time   : 2015-07-11 23:50:26
      encoder         : Lavc56.47.100 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (mp4als (als) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[als @ 03502ae0] Invalid channel pair.
[als @ 03502ae0] quant_cof 4294967222 is out of range.
[als @ 03502ae0] Reading frame data failed. Skipping RA unit.
size=    2272kB time=00:00:13.18 bitrate=1411.3kbits/s
video:0kB audio:2272kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: 0.003353%

Change History (2)

comment:1 Changed 4 years ago by thilo.borgmann

  • Owner set to thilo.borgmann
  • Status changed from new to open

comment:2 Changed 4 years ago by cehoyos

  • Component changed from undetermined to avcodec
  • Keywords als added
  • Resolution set to fixed
  • Status changed from open to closed
  • Version changed from unspecified to git-master
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