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  • How to resume livestream on Facebook with ffmpeg

    17 octobre 2018, par boygiandi

    I’m trying live stream on Facebook. Sometime the pipe was broken (by network or something else), the problem is I can’t resume the live stream. I started new ffmpeg process right away with the same arguments but Facebook didn’t accept it. I see that Vmix can do that - resume the broken livestream.
    How can I resume Facebook live stream with ffmpeg ?

  • I using ffmpeg to live stream a hd video to rtmp server of facebook but when see it only show 360 quality

    29 octobre 2018, par jack ma

    This is my ffmpeg code :

    'ffmpeg -i "{}"  ' \
    
      '-vf "zoompan=z=\'min(max(zoom,pzoom)+0.0015,2)\':d=1:x=\'iw/2-(iw/zoom/2)\':y=\'ih/2-(ih/zoom/2)\'" ' \
    
      '-vcodec libx264 ' \
    
      '-preset veryfast ' \
    
      '-maxrate 2932k ' \
    
      '-bufsize 2500k ' \
    
      '-vf "format=yuv420p" ' \
    
      '-g 60 ' \
    
      '-acodec libmp3lame ' \
    
      '-b:a 198k ' \
    
      '-ar 44100 ' \
    
      '-s 1280x720 ' \
    
      '-f flv "{}"

    I have wasted 2 day for this problem. Thanks for reading !

  • Can stream to Facebook using ffmpeg but not when using tee

    16 mai 2017, par MazeHatter

    I’m trying to stream to YouTube and Facebook simultaneously using ffmpeg.

    I can do them individually, but I want to use "tee" to send the results of encoding to two places.

    If I do :

    ffmpeg -re -i pipe:0 -acodec libfdk_aac -bsf:a aac_adtstoasc \
    
    -ar 44100 -b:a 128k -pix_fmt yuv420p -profile:v baseline \
    
    -s 720x480 -bufsize 2048k -vb 1300k -maxrate 4000k -deinterlace \
    
    -vcodec libx264 -g 25 -r 25 \
    
    -f flv "rtmp://rtmp-api.facebook.com:80/rtmp/key"

    It works just fine.

    But if I do :

    ffmpeg -re -i pipe:0 -acodec libfdk_aac -bsf:a aac_adtstoasc \
    
    -ar 44100 -b:a 128k -pix_fmt yuv420p -profile:v baseline \
    
    -s 720x480 -bufsize 2048k -vb 1300k -maxrate 4000k -deinterlace \
    
    -vcodec libx264 -g 25 -r 25 \
    
    -f tee -map 0:v -map 0:a \
    
    "[f=flv]rtmp://rtmp-api.facebook.com:80/rtmp/key"

    Then I get a rtmp 104 error.

    If that would work then I could just do :

            "[f=flv]rtmp://rtmp-api.facebook.com:80/rtmp/key|[f=flv]rtmp://youtube.etc"

    And that would stream to both.

    I did find out that I needed "-bsf:a aac_adtstoasc" otherwise the encoder broke, complaining about malformed bits.

    Any ideas ?

    The error is only with Facebook. YouTube works fine.

    Console output :

      Metadata:
    
    encoder         : Lavf57.72.101
    
    Stream #0:0: Video: h264 (libx264), yuv420p, 720x480 [SAR 8:9 DAR 4:3], q=-1--1, 1300 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
    
    Metadata:
    
      encoder         : Lavc57.95.101 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 2000000/0/1300000 buffer size: 2048000 vbv_delay: -1
    
    Stream #0:1: Audio: aac (libfdk_aac), 44100 Hz, stereo, s16, 128 kb/s
    
    Metadata:
    
      encoder         : Lavc57.95.101 libfdk_aac
    
frame=   61 fps= 30 q=25.0 size=N/A time=00:00:01.97 bitrate=N/A speed=0.961x        
    
WriteN, RTMP send error 104 (136 bytes)

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