Recording the BATC streamer
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You can record a BATC streamer channel on your local PC using ffmpeg.
First you need to install ffmpeg - details elsewhere on this forum.
The basic command is:
ffmpeg -i rtmp://batc.org.uk/live/<streamname> -c:v copy -c:a copy -f mp4 recording.mp4
You can also record on a Portsdown using the command:
rpidatv/bin/ffmpeg -itsoffset 00:00:1.0 -i rtmp://batc.org.uk/live/<streamname> -c:v copy -c:a copy -f mp4 recording.mp4
Note - adjust the itsoffset number (final digits are seconds) for best lipsync. The value above seems to work perfectly on a Raspberry Pi 3.