[mythtv-users] mythtv 0.24.2 and va-api with mplayer

Christopher Kerr mythtv at theseekerr.com
Thu Mar 1 12:31:44 UTC 2012


On Thu, Mar 1, 2012 at 11:13 PM, Kenni Lund <kenni at kelu.dk> wrote:
>
>
> 2012/3/1 gacmb5 gacmb5 <gacmb5 at gmail.com>
>>
>> On 2012-02-29 22:34, Raymond Wagner wrote:
>> > Why do you need VAAPI?  A 2.5GHz SB i3 should handle just about any
>> > video you want to throw at it in software.  MythTV 0.25 currently
>> > supports VAAPI, has for some time, and should be released in just over a
>> > month.  Should 0.25 be delayed, or VAAPI disabled or otherwise unusable
>> > by you for whatever reason, you still have plenty of CPU in reserve that
>> > it doesn't matter.
>>
>> Lower CPU usage means less heat and less noise.
>
>
> ...less heat on the CPU cores while the higher GPU usage means more heat on
> the GPU core...which in this case is integrated in the CPU :-P

I'm pretty sure video decoding (not deinterlacing) is performed by a
custom ASIC - yes, it's integrated into the die, but because it's
single-purpose hardware I'd expect it to produce significantly less
heat than a general purpose processor.

- Chris


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