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ffmpeg - send and receive G.711 RTP audio
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| --list input devices | |
| ffmpeg -list_devices true -f dshow -i dummy | |
| --to record microphone to mp3 | |
| ffmpeg -f dshow -i audio="Microphone (Logitech USB Headset H340)" -c:a libmp3lame -ar 44100 -b:a 320k -ac 1 output1.mp3 | |
| --send mic to rtp multicast g.711 | |
| ffmpeg -f dshow -i audio="Microphone (Logitech USB Headset H340)" -ac 1 -ar 8000 -ab 64 -acodec pcm_mulaw -f rtp rtp://239.0.0.1:5656 | |
| --play received audio | |
| ffplay rtp://239.0.0.1:5656 | |
| --receive rtp multicast g.711 and save to mp3 | |
| ffmpeg -i rtp://239.0.0.1:5656 -filter:a "asetrate=8000" -acodec libmp3lame -ar 44100 output2.mp3 |
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