Re: Re: [PATCH] remove emu10k1 pops/clicks at the beginning and end of playback (fwd)

[James Courtier-Dutton <James@superbug.co.uk>]

Jindrich Makovicka wrote:
> James Courtier-Dutton wrote:
> 
>> If it is of interest, the PCI transfers happen in blocks of 64 BYTES.
>> So, if the playback pointer is in the middle of a block of 64 BYTES, 
>> and you wish to send new samples to the card, without missing any of 
>> them, you should start sending them at the next 64 bytes boundry.
> 
> 
> AFAIK, emupcm (at least the part I try to fix) operates in DMA busmaster 
> mode, so "sending" samples is out of its jurisdiction. It just sets up 
> looping over the DMA buffer and lets the card do the rest.
> 
> FX8010 & ASIO is a different story, but I really don't know much in this 
> matter.
> 
> Regards,

Same thing really. I meant DMA mode. The card requests the transfers in 
64 byte blocks.



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