I'm trying to stream audio to ffserver, but when I start the ffmpeg client it says:

Missing video stream which is required by this ffm

Is there a way to either:

  • Configure ffserver to allow audio-only streams?
  • or add dummy video to the stream?

lavfi + nullsrc seems to do the trick:

ffmpeg -f lavfi -i nullsrc -i http://remote/stream http://localhost/steam1.ffm

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