| [Forum] AmigaOne's *software* DMA | ANN.lu |
| Posted on 05-Jul-2004 01:07 GMT by atmel | 24 comments
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I would like to know why the AmigaOne has a software-based DMA instead of having a northbridge that has hardware DMA built-in?
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| AmigaOne's *software* DMA : Comment 21 of 24 | ANN.lu |
| Posted by hammer on 06-Jul-2004 01:48 GMT | In reply to Comment 3 (Anonymous):
>Why do you think that even Linux has problems playing video and audio, unless you >use "mpeg accelerators" that buffer raw undecoded data and decode it on the video >card itself? After all, a 2GHz P4 should be more than capable of decoding mpeg >video, yet if you use a card that does not have "mpeg acceleration" (or the >drivers don't enable it) still manages to stutter. Those brief stutters are >caused by the NB syncing the caches without the knowledge of the OS.
Are you claiming Linux (e.g. Lindows 4.5) stutters on Athlon XP @1.5Ghz/Geforce 4 TI while playing a stored HDTV(1088) stream? |
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