gstreamer 0.10

[Peter Zubaj]

>Od: Rob Andrews [mailto:rob at choralone.org]
>On 14-Dec-2005 12:10.39 (GMT), Dan Williams wrote:
>> > dmix is an alsa helper for devices that don't support hardware mixing or
>> > have fixed-frequency codecs (e.g. the 48000Hz fixed-frequency
>> > Intel/VIA/SIS integrated audio devices). It downmixes and frequency
>> > scales as required.
>> This is what all the other OSs that actually have sound device
>> arbitration do AFAIK.  On Mac OS X, you _don't_ touch the hardware, you
>> don't open /dev/dsp, period.  You talk to CoreAudio (or Carbon's
>> SoundManager), which handles mixing and resampling if required, and
>> passes all audio to the device.  Which is what we should be doing in
>> Linux too.  The audio situation without something like dmix arbitration
>> is just horrific.
>
>But does dmix downmix when using a card that does support hardware
>mixing, e.g. emu10k1? In that case it would just be burning cycles
>unnecessarily.

dmix is not used on emu10k1

>
>Plus if dmix was pushing through a channel that had an EAX filter on it
>would apply it to all audio output.
>

There is no EAX on linux and emu10k1.


Aktivujte si neobmedzenu mailovu schranku na www.pobox.sk!