title: iphone ios sample ffplay main.c --> FFmpeg.c change and input parameter , following errer please advice
body: <p>FFmpeg main c source</p>
  
  <pre><code>int main(int argc, char **argv)
  {
  
      int flags, i;
      argv[1] = "-i";
      argv[2] = "ipod-library://item/item.mp3?id=1218551163727305907";    
           //argv[2] = "mon.mp3";
  
      argv[3] = "-acodec";
      argv[4] = "libfaac";
      argv[5] = "-ac";
      argv[6] = "2";
      argv[7] = "-ar";
      argv[8] = "44100";
      argv[9] = "-ab";
      argv[10] = "128k";
      argv[11] = "output.aac";
      argv[3] = "-vn";
      argv[4] = "-acodec";
      argv[5] = "libfaac";
      argv[6] = "-ac";
      argv[7] = "2";
      argv[8] = "-ar";
      argv[9] = "44100";
      argv[10] = "-ab";
      argv[11] = "128k";
      argv[12] = "output.aac";
      //  argv[14] = "rtsp://video.bouygtel.fr/50400/tf1.sdp";
      argc += 12;
  </code></pre>
  
  <p>error : ipod-library://item/item.mp3?id=1218551163727305907: No such file or directory
  and if 
  argv[2] = "mon.mp3"; ---> mon.mp3: No such file or directory</p>
  
  <p>please advice.</p>