ffmpeg -f lavf
i -i anullsrc=channel_layout=stereo:sample_rate=44100 -rtsp_transport tcp -i rtsp://someip:255
4/axis-media/media.amp -acodec libmp3lame -ar 44100 -b:a 128k -map 0:a -map 1:v-pix_fmt yuv420p -profile:v baseline -s 6
40x480 -bufsize 2048k -vb 400k -maxrate 800k -filter:v yadif -vcodec libx264 -preset medium -g 30 -r 30 -f flv "rtmp://a
.rtmp.youtube.com/live2/secret"
ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
  built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --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-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 19.100 / 52. 19.100
  libavcodec     55.  0.100 / 55.  0.100
  libavformat    55.  0.100 / 55.  0.100
  libavdevice    54.  4.100 / 54.  4.100
  libavfilter     3. 45.103 /  3. 45.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[Parsed_anullsrc_0 @ 0225a7a0] Cannot select sample rate for the link between filters Parsed_anullsrc_0 and out.
anullsrc=channel_layout=stereo:sample_rate=44100: Invalid argument