title: vlc rtsp to mp4 transcoding error
body: <p>I am trying to transcode a live rtsp stream to a mp4 file using cvlc but getting the error below.
  Any ideas why I am getting this error?</p>
  
  <p>Here's the command that I use -</p>
  
  <pre><code>cvlc -vvv rtsp://184.173.147.99:5555/mpeg2TransportStreamFromUDPSourceTest --sout '#transcode{vcodec=mp4v,acodec=none,vb=128,deinterlace}:file{dst=out.mp4}'
  </code></pre>
  
  <p>Here's the error that I get</p>
  
  <pre><code>[0x7f72400011b8] avcodec encoder debug: libavcodec already initialized
  [mpeg4 @ 0x29ef5c0] timebase 333333/20000000 not supported by MPEG 4 standard, the maximum admitted value for the timebase denominator is 65535
  [0x7f72400011b8] avcodec encoder error: cannot open encoder
  [0x7f72400011b8] main encoder error: Streaming / Transcoding failed
  [0x7f72400011b8] main encoder error: VLC could not open the encoder.
  [0x7f72400011b8] main encoder debug: no encoder module matching "any" could be loaded
  </code></pre>