ffplay -i test.sdp
ffplay version 1.2.1 Copyright (c) 2003-2013 the FFmpeg developers
  built on May 14 2013 16:04:01 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
  configuration: --enable-gpl --enable-libass --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-libopus
  libavutil      52. 18.100 / 52. 18.100
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.104 / 54. 63.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 42.103 /  3. 42.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[h264 @ 0x7f28e8004900] Missing reference picture, default is 0/0
[h264 @ 0x7f28e8004900] decode_slice_header error
[h264 @ 0x7f28e8004900] Missing reference picture, default is 0
[h264 @ 0x7f28e8004900] decode_slice_header error
[h264 @ 0x7f28e8004900] Missing reference picture, default is 0
[h264 @ 0x7f28e8004900] decode_slice_header error
[h264 @ 0x7f28e8004900] Missing reference picture, default is 10
    Last message repeated 5 times  0KB vq=    0KB sq=    0B f=0/0
[h264 @ 0x7f28e8004900] Missing reference picture, default is 12
    Last message repeated 2 times  0KB vq=    0KB sq=    0B f=0/0
[sdp @ 0x7f28e80008c0] Estimating duration from bitrate, this may be inaccurate
Input #0, sdp, from 'test.sdp':
  Metadata:
    title           : No Name
  Duration: N/A, start: 0.567233, bitrate: N/A
    Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 320x240, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
[h264 @ 0x7f28e826f340] Missing reference picture, default is 0
[h264 @ 0x7f28e826f340] decode_slice_header error
[h264 @ 0x7f28e826f340] Missing reference picture, default is 0
[h264 @ 0x7f28e826f340] decode_slice_header error
[h264 @ 0x7f28e826f340] Missing reference picture, default is 0
[h264 @ 0x7f28e826f340] decode_slice_header error
[h264 @ 0x7f28e800db20] Missing reference picture, default is 10
    Last message repeated 5 times
[h264 @ 0x7f28e800df80] Missing reference picture, default is 12