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At this time is it not possible to create Facebook Live stream targets using the REST API or with a Client-Side Application … read more

There a solution to transcode live/video (HLS/MP4) stream to RTMP (Facebook) using ffmpeg .

Transcode HLS To RTMP (Facebook live)

ffmpeg -re -i "http://domain/x/x/input.m3u8" -acodec libmp3lame -ar 44100 -b:a 128k -pix_fmt yuv420p -profile:v baseline -s 426x240 -bufsize 6000k -vb 400k -maxrate 1500k -deinterlace -vcodec libx264 -preset veryfast -g 30 -r 30 -f flv "rtmp://rtmp-api.facebook.com:80/rtmp/111111111111111?ds=1&a=XXXXXXXXXXXXXXXXX"

Transcode MP4 To RTMP (Facebook live)

ffmpeg -re -i ./video.mp4 -acodec libmp3lame  -ar 44100 -b:a 128k -pix_fmt yuv420p -profile:v baseline -s 426x240 -bufsize 6000k -vb 400k -maxrate 1500k -deinterlace -vcodec libx264 -preset veryfast -g 30 -r 30 -f flv "rtmp://rtmp-api.facebook.com:80/rtmp/111111111111111?ds=1&a=XXXXXXXXXXXXXXXXX"

Facebook video format Video Format:

  • We accept video in maximum 720p (720 x 1280) resolution, at 30 frames per second. (or 1 key frame every 2 seconds)
  • You must send an I-frame (keyframe) at least once every two seconds throughout the stream.
  • Recommended max bit rate is 4 mbps.
  • The Live API accepts H264 encoded video and AAC encoded audio only

Audio Format:

  • Pixel Aspect Ratio: Square
  • Frame Types: Progressive Scan
  • Audio Sample Rate: 44.1 KHz
  • Audio Bitrate: 128 Kbps stereo
  • Bitrate Encoding: CBR

Create Facebook live “Go Live Dialog”

call the following code to initialize a pop-up window with control that determine where to direct your POST request.

<script>
document.getElementById('liveButton').onclick = function() {
  FB.ui({
    display: 'popup',
    method: 'live_broadcast',
    phase: 'create',
}, function(response) {
    if (!response.id) {
      alert('dialog canceled');
      return;
    }
    //rtmp://rtmp-api.facebook.com:80/rtmp/111111111111111?ds=1&a=XXXXXXXXXXXXXXXXX
    alert('stream url:' + response.stream_url);
    FB.ui({
      display: 'popup',
      method: 'live_broadcast',
      phase: 'publish',
      broadcast_data: response,
    }, function(response) {
    alert("video status: \n" + response.status);
    });
  });
};
</script>

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