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CEC mixer / volume control

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CEC mixer / volume control

Сообщение breckjensen » Вт ноя 14, 2017 5:40 pm

Hi,

I have what I suspect is a fairly common configuration: mpd running on an ARM SBC, plugged into a home-theatre receiver over HDMI. I would like to be able to control the receiver volume over CEC, which is entirely possible using the libcec API and/or cec-client (command line). That way the attenuation happens down the tail of the signal chain after the DACs, instead of smashing down the available bit-depth with a software mixer.

Does anyone know if mpd has been patched to support CEC as the mixer?

If not, I'm willing to do it but am not in any way familiar with the mpd codebase. Is there a wiki or something documenting relevant plugin interfaces and/or could someone point me at a plugin that would be a good starting-point for modification?

Please help.

Thanks!

I didn't find the right solution from the Internet.

References
https://forum.musicpd.org/viewtopic.php?f=11&t=3914


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