Hi, I'd like to send the analog audio as video with waveform superimposed, I did this so far:
ffmpeg -f alsa -i hw:0,0 -f lavfi -i nullsrc -filter_complex "[0:a]showwaves=mode=line:s=hd480:colors=Red[v]" -map "[v]" -map 0:a -pix_fmt yuv420p -b:a 360k -r:a 44100 http://localhost:5554/video.ffm /etc/ffserver.conf HTTPPort 5554 HTTPBindAddress 0.0.0.0 MaxHTTPConnections 10 MaxClients 10 MaxBandwidth 1024 CustomLog - <Feed video.ffm> File /tmp/video.ffm FileMaxSize 2048M </Feed> ##################### <Stream video> Format flv Feed video.ffm VideoCodec libx264 VideoFrameRate 15 VideoBitRate 512 VideoSize 1280x720 AVOptionVideo crf 23 AVOptionVideo preset medium AVOptionVideo flags +global_header AudioCodec aac Strict -2 AudioBitRate 128 AudioChannels 2 AudioSampleRate 44100 AVOptionAudio flags +global_header </Stream> The error message is: Filter showwaves has an unconnected output Tue Jan 29 22:18:08 2019 127.0.0.1 - - [POST] "/video.ffm HTTP/1.1" 200 0 ------------------ (program exited with code: 1) Press return to continue _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
