[pulseaudio-discuss] HDMI passthrough request for help

pl bossart bossart.nospam at gmail.com
Tue Feb 22 07:44:41 PST 2011

> There are a few things missing for me to have xbmc+pulse working well
> with a surround system over HDMI:
> - volume control when in passthrough mode
> - volume control via the amplifier; I see 2 methods here:
>        - either via HDMI CEC, but from the latest spec the only
>          available commands are volume-up and volume-down, no way
>          to directly set a volume, nor to calibrate it properly
>        - via a serial cable, it's amp-specific but more capable
> - [off topic] more than 2 PCM channels via HDMI radeon drivers

Does any of these features work with plain ALSA? I don't think what
you describe is a PulseAudio limitation?

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