[aac @ 0x20b0a40] channel element 0.0 is not allocated
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x20ae640] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), 1280x720): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file.xxx':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42mp41
    creation_time   : 2014-05-15 07:10:04
  Duration: 00:27:13.03, start: 0.000000, bitrate: 3232 kb/s
    Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), 1280x720, 29.97 fps, 29.97 tbr, 30k tbn, 60k tbc (default)
    Metadata:
      creation_time   : 2014-05-15 07:10:04
      handler_name    : Apple Video Media Handler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 27 kb/s (default)
    Metadata:
      creation_time   : 2014-05-15 07:10:04
      handler_name    : Apple Sound Media Handler
    Stream #0:2(eng): Data: none (rtp  / 0x20707472), 8 kb/s
    Metadata:
      creation_time   : 2014-05-15 07:10:04
      handler_name    : hint media handler
    Stream #0:3(eng): Data: none (rtp  / 0x20707472)
    Metadata:
      creation_time   : 2014-05-15 07:10:04
      handler_name    : hint media handler
[buffer @ 0x2135760] Unable to parse option value "-1" as pixel format
    Last message repeated 1 times
[buffer @ 0x2135760] Error setting option pix_fmt to value -1.
[graph 0 input from stream 0:0 @ 0x213b8e0] Error applying options to the filter.
Error opening filters!
Conversion failed!