From: "Jon Burgess" <[EMAIL PROTECTED]>
> This says to me that the DMA always fills the buffer before starting
> again at the beginning. There doesn't seem to be any evidence of it
> automatically switching on a frame sync signal. Perhaps this hardware
> was only on older cards or needs a specific enable?

The hardware does not generate any VSYNC signals, and thus no frame
signals. To utilize the odd/even field DMA mechanism, you have to program
the SAA7146A to force the toggling of the field. See the DD1_INIT register
settings for details.

Regards,
--
Robert Schlabbach
e-mail: [EMAIL PROTECTED]
Berlin, Germany



-- 
Info:
To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as 
subject.

Reply via email to