[FFmpeg-devel] [Hardware Accelerator for Video and Audio]
Thu Feb 21 14:24:03 CET 2008
Nico Sabbi wrote:
> On Thursday 21 February 2008 11:45:40 M?ns Rullg?rd wrote:
>> Nico Sabbi wrote:
>> > it is crazy (think of early DVB cards with a svhs output),
>> > but transferring back the decoded frames may require something
>> > almost equally crazy: 1920x1088x30 fps x 12bpp = 752 Mb/s == 94
>> > MB/s
>> > Even halved by means of a lossless compression it takes almost 50
>> > MB/sec at 30 fps, back to 100 MB/s at 60 fps, that may be a lot
>> > for a lower-end pc (where a dedicated decoder makes more sense)
>> So have the decoder card dump the frames directly to video memory.
>> Something has to do that write, be it the CPU or some other card.
> not with a dedicated video-out
I thought we didn't want that.
mans at mansr.com
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