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• Live stream playing

  20 décembre 2011, par John Smith

  well, I can capture the incoming stream. Its produced by FFMpeg. The php code Im doing it with :

  $address = '127.0.0.1';
  
  $port = 1234;
  
  $outfile = "output.flv";
  
  
  
  $ofp = fopen($outfile, 'w');
  
  
  
   if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) { echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n"; sleep (5); die; }
  
   if (socket_bind($sock, $address, $port) === false) { echo "socket_bind() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n"; sleep (5); die; }
  
   if (socket_listen($sock, 5) === false) { echo "socket_listen() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n"; sleep (5); die; }
  
   if (($msgsock = socket_accept($sock)) === false) { echo "socket_accept() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n"; sleep (5); break; }
  
   do {
  
      $a = '';
  
      socket_recv ($msgsock, $a, 65536, MSG_WAITALL);
  
      fwrite ($ofp, $a);
  
      echo strlen($a);
  
   } while (true);

  so it produces good file, if I replay this it looks good. But I want to stream it on a site, if I just put a link to the .flv, it would play it from the beginning. How to make it real live ? Thanx in advance.

• FFmpeg command help and pointers for documentation

  27 novembre 2011, par mahi

  I was working with FFmpeg for one of my android project. So far, I have been able to successfully able to compile FFmpeg for ARM. Now my approach is to write a JNI interface for playing videos using FFmpeg.

  I tried executing the command ./ffmpeg --help to see the options available with FFmpeg, and so far I am only able to understand that the input filename can be provided with -i fileName option.

  I have been searching for online tutorials / blogs for FFmpeg commands, and how to play a video / RTMP stream, but couldn't find a suitable link.

  I'd like to know the following :

  1. What is the command to play a video using FFMpeg ?
  2. What is the command to play a local file using FFMpeg
  3. What is the command to play a RTMP stream using FFMpeg
  4. Java / C sample code to play video using FFMpeg
  5. Is it possible to extract some piece of code from ffplay.c and write a custom code ?

  Any help with the above and / or any pointers to relevant links is highly appreciated.

  Thanks.

• Create WebM with FFmpeg programatically

  25 janvier 2012, par Kage

  I have VP8 encoded frames that so far I am saving into IVF format, however, I want to take these frames and put them into a WebM format.

  I am using FFmpeg programmatically on Android with libvpx enabled.

  I really have no idea how to put my frames into a WebM file and there is so little information out there about this.

  Could anyone help me in the right direction or provide me with a link to some help ?

  Edit :

  Examples of outputting encoded frames into any other container would also be appreciated