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  • Compression Techniques

    Streaming with ffserver & ffmpeg. Possible audio encoding issue

    Posted by Harold Hunt on February 5, 2012 at 2:15 am

    Hello,

    I’m attempting to stream my desktop and audio with ffmpeg and ffserver. My ffserver config is posted below:

    Port 8090
    RTSPPort 1234
    BindAddress 0.0.0.0
    RTSPBindAddress 0.0.0.0
    MaxHTTPConnections 2000
    MaxClients 1000
    MaxBandwidth 1000
    CustomLog -
    NoDaemon

    File /tmp/stream.ffm
    FileMaxSize 32M

    Feed stream.ffm
    Format rtp
    File /tmp/stream.sdp
    AudioBitRate 64
    AudioChannels 1
    AudioSampleRate 22050

    VideoBitRate 128
    VideoBufferSize 400
    VideoFrameRate 15
    VideoSize 384x240

    VideoGopSize 12

    VideoHighQuality
    Video4MotionVector

    AudioCodec libmp3lame
    VideoCodec libx264

    Also my ffmpeg command that I am using to stream is below.
    ffmpeg -f x11grab -r 25 -s 384x240 -i :0.0 -f alsa -ac 2 -ar 44100 -i hw:0,0 -f rtp rtp://192.168.1.102:8090/stream.ffm

    It has no problems running, however when I try to use either VLC or mplayer to play the stream, it will crash, both complain about audio not being encoded properly.

    Thanks,
    Harold

    Reuben Martin replied 14 years, 5 months ago 2 Members · 1 Reply
  • 1 Reply

  • Reuben Martin

    February 5, 2012 at 8:02 pm

    ffserver is a crusty old relic of the past that is not well maintained. You probably need to encode the video/audio before sending it to ffserver rather than depending on ffserver to transcode it. Not really sure though, I never use it. There are much better alternatives available. https://www.rtmpd.com/

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