[FFmpeg-devel] hardware aided video decoding

[Joshua D. Boyd]

On Fri, 2007-07-06 at 11:14 +0200, Luca Barbato wrote:

> > IMO if you want it to be flexible you can only do parts of the decoding
> > like idct on the card, but that might often mean transferring the data
> > in both directions, so unless you have PCIe you can just forget that.
> 
> should be avoided since most of the gfx design have very fast write and
> painful slow read.

The open-graphics card is currently PCI-X with some discussion of moving
to PCI-E, skipping AGP entirely.  So, read/write speed asymmetry isn't
automatically a problem here, unless something gets build into the card
firmware.