[libav-bugs] [Bug 656] unable to detect audio stream in this mp3 file

bugzilla at libav.org bugzilla at libav.org
Sun Mar 30 20:33:01 CEST 2014


https://bugzilla.libav.org/show_bug.cgi?id=656

kdev at fishzet.co.uk changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kdev at fishzet.co.uk

--- Comment #2 from kdev at fishzet.co.uk 2014-03-30 20:33:01 CEST ---
Confirmed; this is a regression. Both commands work correctly with version
0.8.10-6:0.8.10-0ubuntu0.13.10.1 and the provided sample file.

Neither work with version v10_beta1-398-ge8e560f.
% ~/libav/built/bin/avconv -v 9 -loglevel 99 -i brostep.mp3 trunktest.mp3
avconv version v10_beta1-398-ge8e560f, Copyright (c) 2000-2014 the Libav
developers
  built on Mar 30 2014 19:23:18 with gcc 4.8 (Ubuntu/Linaro 4.8.1-10ubuntu9)
  configuration: --prefix=/home/me/libav/built
  libavutil     53.  8. 0 / 53.  8. 0                                           
  libavcodec    55. 41. 0 / 55. 41. 0                                           
  libavformat   55. 14. 0 / 55. 14. 0                                           
  libavdevice   54.  0. 0 / 54.  0. 0                                           
  libavfilter    4.  3. 0 /  4.  3. 0                                           
  libavresample  1.  2. 0 /  1.  2. 0                                           
  libswscale     2.  1. 2 /  2.  1. 2                                           
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set libav* logging level) with
argument '9'.                                                                   
Reading option '-loglevel' ... matched as option 'loglevel' (set libav* logging
level) with argument '99'.                                                      
Reading option '-i' ... matched as input file with argument 'brostep.mp3'.      
Reading option 'trunktest.mp3' ... matched as output file.                      
Finished splitting the commandline.                                             
Parsing a group of options: global .                                            
Applying option v (set libav* logging level) with argument 9.                   
Successfully parsed a group of options.
Parsing a group of options: input file brostep.mp3.
Successfully parsed a group of options.
Opening an input file: brostep.mp3.
[mp3 @ 0x3257080] Format detected only with low score of 25, misdetection
possible!
[mp3 @ 0x3257080] Probe buffer size limit 5000000 reached
Input #0, mp3, from 'brostep.mp3':
  Metadata:
    album           : Recess
    artist          : Skrillex
    genre           : Other
    date            : 2014
    title           : All Is Fair In Love And Brostep ft. The Ragga Twins
    track           : 1
  Duration: 00:04:12.57, start: 0.000000, bitrate: 557 kb/s
    Stream #0.0, 0, 1/14112000: Audio: mp3, 0 channels, s16p
    Stream #0.1, 1, 1/90000: Video: png, rgb24, 3000x3000, 0/1, 90k tbn
    Metadata:
      title           : 
      comment         : Cover (front)
Successfully opened the file.
Parsing a group of options: output file trunktest.mp3.
Successfully parsed a group of options.
Opening an output file: trunktest.mp3.
Successfully opened the file.
Detected 2 logical cores.
[buffer @ 0x32748a0] w:3000 h:3000 pixfmt:rgb24
[buffersink @ 0x3274c40] auto-inserting filter 'auto-inserted fifo 0' between
the filter 'format' and the filter 'output stream 0:0'
[mp3 @ 0x3272040] No audio stream present.
Output #0, mp3, to 'trunktest.mp3':
  Metadata:
    album           : Recess
    artist          : Skrillex
    genre           : Other
    date            : 2014
    title           : All Is Fair In Love And Brostep ft. The Ragga Twins
    track           : 1
    encoder         : Lavf55.14.0
    Stream #0.0, 0, 1/90000: Video: png, rgb24, 3000x3000, 1/90000, q=2-31, 200
kb/s, 90k tbn, 90k tbc
    Metadata:
      title           : 
      comment         : Cover (front)
Stream mapping:
  Stream #0:1 -> #0:0 (png -> png)
Could not write header for output file #0 (incorrect codec parameters ?):
Invalid argument

% ~/libav/built/bin/avplay -v 9 -loglevel 99 brostep.mp3 
avplay version v10_beta1-398-ge8e560f, Copyright (c) 2003-2014 the Libav
developers
  built on Mar 30 2014 19:23:18 with gcc 4.8 (Ubuntu/Linaro 4.8.1-10ubuntu9)
  configuration: --prefix=/home/me/libav/built
  libavutil     53.  8. 0 / 53.  8. 0
  libavcodec    55. 41. 0 / 55. 41. 0
  libavformat   55. 14. 0 / 55. 14. 0
  libavdevice   54.  0. 0 / 54.  0. 0
  libavfilter    4.  3. 0 /  4.  3. 0
  libavresample  1.  2. 0 /  1.  2. 0
  libswscale     2.  1. 2 /  2.  1. 2
[mp3 @ 0x7f9f40005be0] Format detected only with low score of 25, misdetection
possible!
[mp3 @ 0x7f9f40005be0] Probe buffer size limit 5000000 reached
Input #0, mp3, from 'brostep.mp3':
  Metadata:
    album           : Recess
    artist          : Skrillex
    genre           : Other
    date            : 2014
    title           : All Is Fair In Love And Brostep ft. The Ragga Twins
    track           : 1
  Duration: 00:04:12.57, start: 0.000000, bitrate: 557 kb/s
    Stream #0.0, 0, 1/14112000: Audio: mp3, 0 channels, s16p
    Stream #0.1, 1, 1/90000: Video: png, rgb24, 3000x3000, 0/1, 90k tbn
    Metadata:
      title           : 
      comment         : Cover (front)
unable to guess channel layout
Detected 2 logical cores.
[buffer @ 0x7f9f380011c0] w:3000 h:3000 pixfmt:rgb24B sq=    0B f=0/0   
[buffersink @ 0x7f9f38002320] auto-inserting filter 'auto-inserted fifo 0'
between the filter 
[format @ 0x7f9f38002620] auto-inserting filter 'auto-inserted scaler 0'
between the filter 's
[scale @ 0x7f9f38003820] w:3000 h:3000 fmt:rgb24 -> w:3000 h:3000 fmt:yuv420p
flags:0x4
0.00 A-V:  0.000 s:0.0 aq=    0KB vq=    0KB sq=    0B f=0/0

Time then proceeds as in normal playback, but there's no actual audio output.

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