[mythtv] Splitting out audio output code in preparationfor native ALSAsupport

Isaac Richards ijr at po.cwru.edu
Sun May 11 01:31:35 EDT 2003


On Saturday 10 May 2003 10:48 pm, Ian Westcott wrote:
> There are a number of things alsa can give you, one of the nicest (which
> I'm currently unable to do with the OSS emulation layer) is sound
> outputted though spdif. Some chipsets seem to support routing all sound
> through the s/pdif device (the Realtek chipset in the Shuttle does this,
> so I hear), but others, like my i810 sound chip, does not. I'd rather get
> sound out to my receiver via spdif rather than analog (due to some analog
> problems on my end.. a low electrical hum that won't go away no matter
> what I do), but I couldn't get that without real Alsa support.

Ground loop, most likely.

> > like to not have to add another dependency to the compile, etc..  I've
> > also had bad experiences in the past with having to rewrite code using
> > ALSA every 6 months when they decided to rewrite their API just for the
> > hell of it.
>
> Hmm, has there been any major changes since 0.9? I would hope they've
> stabilized by now.

Probably not, since they've actually made it into the 2.5 kernels, but I 
rather dislike the current alsa library API -- it's horribly overcomplicated.

Isaac


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