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simplify rpi / microphone instructions (#3650)

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Alessandro Ros 2024-08-13 11:43:22 +02:00 • committed by GitHub
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@ -544,19 +544,20 @@ default:CARD=U0x46d0x809
Default Audio Device
```
Find the audio card of the microfone and take note of its name, for instance `default:CARD=U0x46d0x809`. Then use GStreamer inside `runOnReady` to read the video stream, add audio and publish the new stream to another path:
Find the audio card of the microfone and take note of its name, for instance `default:CARD=U0x46d0x809`. Then create a new path that takes the video stream from the camera and audio from the microphone:
```yml
paths:
cam:
source: rpiCamera
runOnReady: >
cam_with_audio:
runOnInit: >
gst-launch-1.0
rtspclientsink name=s location=rtsp://localhost:$RTSP_PORT/cam_with_audio
rtspsrc location=rtsp://127.0.0.1:$RTSP_PORT/$MTX_PATH latency=0 ! rtph264depay ! s.
rtspsrc location=rtsp://127.0.0.1:$RTSP_PORT/cam latency=0 ! rtph264depay ! s.
alsasrc device=default:CARD=U0x46d0x809 ! opusenc bitrate=16000 ! s.
runOnReadyRestart: yes
cam_with_audio:
runOnInitRestart: yes
```
The resulting stream will be available in path `/cam_with_audio`.