Opened 21 months ago

Closed 2 months ago

#4730 closed defect (fixed)

AAC: trying ffprobe on AAC file with LATM fails due to byte alignment check

Reported by: klaussfreire Owned by: klaussfreire@gmail.com
Priority: normal Component: avcodec
Version: git-master Keywords: aac latm
Cc: jsantiago@fastmail.us Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

The attached sample produces the following when attempting to ffprobe it:

[aac_latm @ 0x3a226e0] Non-byte-aligned audio-specific config is not
implemented. Update your FFmpeg version to the newest one from Git. If the
problem still occurs, it means that your file has a feature which has not
been implemented.

Attachments (1)

aac_latm_non_byte_aligned.bin (383.9 KB) - added by klaussfreire 21 months ago.
ffprobe aac_latm_non_byte_aligned.bin reproduces the bug

Download all attachments as: .zip

Change History (4)

Changed 21 months ago by klaussfreire

ffprobe aac_latm_non_byte_aligned.bin reproduces the bug

comment:1 Changed 21 months ago by cehoyos

  • Keywords byte alignment removed
  • Status changed from new to open
$ ffmpeg -i aac_latm_non_byte_aligned.bin
ffmpeg version N-74140-g6c87b86 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl --enable-libzvbi
  libavutil      54. 29.100 / 54. 29.100
  libavcodec     56. 56.101 / 56. 56.101
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 30.100 /  5. 30.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
[aac_latm @ 0x25abe00] Non-byte-aligned audio-specific config is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[aac_latm @ 0x25abe00] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)          

...

...

...

[aac_latm @ 0x25abe00] Non-byte-aligned audio-specific config is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[aac_latm @ 0x25abe00] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
[loas @ 0x25ab3e0] decoding for stream 0 failed
[loas @ 0x25ab3e0] Could not find codec parameters for stream 0 (Audio: aac_latm, 0 channels, fltp): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options
aac_latm_non_byte_aligned.bin: could not find codec parameters
Input #0, loas, from 'aac_latm_non_byte_aligned.bin':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Audio: aac_latm, 0 channels, fltp
At least one output file must be specified

comment:2 Changed 11 months ago by jlsantiago0

  • Cc jsantiago@fastmail.us added

comment:3 Changed 2 months ago by richardpl

  • Resolution set to fixed
  • Status changed from open to closed
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