Debug>ffmpeg.exe -i "rtsp://localhost:8554/test"  -vcodec copy -acod
ec copy output.mp4
ffmpeg version N-43206-gf857465 Copyright (c) 2000-2012 the FFmpeg developers
  built on Aug  4 2012 16:10:39 with gcc 4.7.1 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enab
le-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable
-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschro
edinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      51. 66.100 / 51. 66.100
  libavcodec     54. 49.100 / 54. 49.100
  libavformat    54. 22.100 / 54. 22.100
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3.  5.102 /  3.  5.102
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[h264 @ 041baa20] Missing reference picture
[h264 @ 041baa20] decode_slice_header error
[h264 @ 041baa20] concealing 2720 DC, 2720 AC, 2720 MV errors in P frame
[rtsp @ 0247c700] Estimating duration from bitrate, this may be inaccurate
Input #0, rtsp, from 'rtsp://localhost:8554/test':
  Metadata:
    title           : Unnamed
    comment         : N/A
  Duration: N/A, start: 12634.426583, bitrate: N/A
    Stream #0:0: Audio: aac, 48000 Hz, stereo, s16
    Stream #0:1: Video: h264 (High), yuv420p, 1280x544, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
Output #0, mp4, to 'output.mp4':
  Metadata:
    title           : Unnamed
    comment         : N/A
    encoder         : Lavf54.22.100
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1280x544, q=2-31, 23.98 fps, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
  Stream #0:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
RTP: missed 1 packets=-1.0 size=    3685kB time=00:00:08.48 bitrate=3557.8kbits/s
[NULL @ 041baa20] RTP: missed 1 packets
    Last message repeated 1 times
[NULL @ 041baa20] RTP: missed 20 packets
pts (816230) < dts (831143) in stream 01kB time=00:00:08.98 bitrate=3912.6kbits/s
av_interleaved_write_frame(): Invalid argument