title: ffmpeg encoding error
body: <p>I have just finished installing ffmpeg on my centOS server using the below link:
  <a href="http://www.ultratechhost.com/forums/thread-122.html" rel="nofollow">http://www.ultratechhost.com/forums/thread-122.html</a> -> Method 1\</p>
  
  <p>phpinfo() reports that ffmpeg has been successfully installed and i also see the ffmpeg section in phpinfo.</p>
  
  <p>But when I try to encode I get an error. Please try and shed some light what the problem is and what the solution could be.</p>
  
  <h2>The command and the error is as follows:</h2>
  
  <blockquote>
    <p>ffmpeg -i greenlantern.mov green1.flv<br /><br />
    FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers<br /><br />
      built on Dec  4 2010 15:35:31 with gcc 4.1.2 20080704 (Red Hat 4.1.2-48)<br />
      configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab<br /><br />
      libavutil     50.15. 1 / 50.15. 1<br />
      libavcodec    52.72. 2 / 52.72. 2<br />
      libavformat   52.64. 2 / 52.64. 2<br />
      libavdevice   52. 2. 0 / 52. 2. 0<br />
      libavfilter    1.19. 0 /  1.19. 0<br />
      libswscale     0.11. 0 /  0.11. 0<br />
      libpostproc   51. 2. 0 / 51. 2. 0<br />
    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1ea4e8b0]Estimating duration from bitrate, this may be inaccurate<br />
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'greenlantern.mov':<br />
      Duration: N/A, bitrate: N/A<br />
    Output #0, flv, to 'green1.flv':<br />
    Output file #0 does not contain any stream<br /></p>
  </blockquote>