ffplay_apr15 testfile.flv
ffplay version N-62460-gef818d8 Copyright (c) 2003-2014 the FFmpeg developers
  built on Apr 14 2014 22:01:48 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 76.100 / 52. 76.100
  libavcodec     55. 58.103 / 55. 58.103
  libavformat    55. 37.100 / 55. 37.100
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
[h264 @ 02d79540] AVC: nal size 21823519q=    0KB sq=    0B f=0/0
[h264 @ 02d79540] missing picture in access unit with size 42
[h264 @ 02d79540] AVC: nal size 21823519
[h264 @ 02d79540] missing picture in access unit with size 42
[h264 @ 02d79540] AVC: nal size 21823519
[h264 @ 02d79540] missing picture in access unit with size 42
[h264 @ 02d79540] AVC: nal size 21823519
[h264 @ 02d79540] missing picture in access unit with size 42
[h264 @ 02d79540] AVC: nal size 21823519
[h264 @ 02d79540] missing picture in access unit with size 42
[h264 @ 02d79540] AVC: nal size 21823519
[h264 @ 02d79540] missing picture in access unit with size 42
Input #0, flv, from 'testfile.flv':
  Duration: 00:38:50.76, start: 0.000000, bitrate: 1287 kb/s
    Stream #0:0: Video: h264 (Main), yuv420p(tv), 800x600 [SAR 1:1 DAR 4:3], 30.33 fps, 30 tbr, 1k tbn, 60 tbc
    Stream #0:1: Audio: speex, 16000 Hz, mono, s16, 12 kb/s
[abuffer @ 02d78b00] Unable to parse option value "(null)" as sample format
    Last message repeated 1 times
[abuffer @ 02d78b00] Error setting option sample_fmt to value (null).
[ffplay_abuffer @ 02d6f620] Error applying options to the filter.
   0.53 M-V:  0.011 fd=   2 aq=    0KB vq=   39KB sq=    0B f=9/9