ffmpeg version N-36505-gc640616, Copyright (c) 2000-2012 the FFmpeg developers
  built on Jan  6 2012 01:05:08 with llvm_gcc 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
  configuration: 
  libavutil      51. 34.100 / 51. 34.100
  libavcodec     53. 54.100 / 53. 54.100
  libavformat    53. 29.100 / 53. 29.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 57.101 /  2. 57.101
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  5.100 /  0.  5.100
Truncating packet of size 2097152 to 54277
[aac @ 0x7f9f53040e00] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 0x7f9f53040e00] Evaluating a further program_config_element.
[aac @ 0x7f9f53040e00] Prediction is not allowed in AAC-LC.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '../crash.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2008-04-13 16:26:32
  Duration: 00:00:13.56, start: 0.000000, bitrate: 33 kb/s
    Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 32000 Hz, 22 channels, s16, 262144 kb/s
    Metadata:
      creation_time   : 2008-04-13 16:26:32
      handler_name    : soun
Output #0, null, to 'pipe:':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2008-04-13 16:26:32
    encoder         : Lavf53.29.100
    Stream #0:0(und): Audio: pcm_s16le, 32000 Hz, 22 channels, s16, 11264 kb/s
    Metadata:
      creation_time   : 2008-04-13 16:26:32
      handler_name    : soun
Stream mapping:
  Stream #0:0 -> #0:0 (aac -> pcm_s16le)
Press [q] to stop, [?] for help
Input stream #0:0 frame changed from rate:32000 fmt:s16 ch:22 to rate:32000 fmt:s16 ch:2
[SWR @ 0x7f9f53075600] Value 22.000000 for parameter 'och' out of range
s->out_ch_layout : 0
s->out.ch_count : 0
s->in_ch_layout : 3
s->in.ch_count : 2
Assertion s->out.ch_count failed at libswresample/swresample.c:232
Abort trap: 6