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

[phipps-hutton at sky.com]

Quoting Christopher Kerr <mythtv at theseekerr.com>:
> On Thu, Mar 1, 2012 at 11:13 PM, Kenni Lund <kenni at kelu.dk> wrote:
>> ...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.

There's only one way to settle this - fight! Or someone could measure  
the power consumption and let us know. The CPU may well be better  
because it will have had more power saving love from the designers and  
may be using a different power domain/smaller transistors or it may be  
moving data back and forth to it's low power cache rather than the GPU  
RAM. GPU's are great at graphics (triangles and textures), that's not  
the same as video (copying bits of the previous picture).

Cheers,
Tim.