[pulseaudio-discuss] [RFC] Dynamic reconfiguration of sampling rate
arun.raghavan at collabora.co.uk
Mon Jan 17 23:51:14 PST 2011
On Mon, 2011-01-17 at 14:24 -0600, pl bossart wrote:
> I can see cases where you have 1 compressed stream and 1 PCM, and you
> mix the two in hardware, but I am having a really hard time finding a
> use case where you would have multiple (more than 2) PCM streams at
> different rates. Maybe automotive cases, where the infotainment unit
> might send multiple streams to a head unit were the mixing/routing is
> actually done? Did anyone request hardware mixing on the mailing list?
This is something we often hear about from people with Creative
SoundBlaster Live/Audigy cards and their ilk, which support hardware
mixing. To some extent, the complaint is reasonable, since we're forcing
resampling on CPU even though this can be off-loaded to the soundcard.
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