On Sunday 14 August 2005 22:26, vinai wrote:
> > Do you get any kernel messages when starting a capture? They can be
> > useful. Most likely all your problems have to do with byte ordering.
> > Good luck :-)
>
> Actually, I do get a couple, and here they are:
>
> Aug 14 15:16:43 localhost kernel: ivtv: Allocate DMA encoder MPEG
> stream: 128 x 32768 buffers (4096KB total)
> Aug 14 15:16:43 localhost kernel: ivtv: Setup VBI API header
> 0x0000bd0d pkts 1 buffs 4 ln 24 sz 1456
> Aug 14 15:16:43 localhost kernel: ivtv: Setup VBI start 0x0018ea04
> frames 4 fpi 1 lines 0x000000f1
> Aug 14 15:16:44 localhost kernel: saa7115: decoder disable output
> Aug 14 15:16:44 localhost kernel: saa7115: decoder enable output
> Aug 14 15:16:47 localhost kernel: ivtv: ENC: REG_DMAXFER 2 wait failed
> Aug 14 15:16:50 localhost kernel: ivtv: DEC: REG_ENCSG1LEN wait failed
> Aug 14 15:17:00 localhost kernel: ivtv: ENC: DMA still Pending while
> stoping capture!
>
> These are from the start of a $ cat /dev/video0 > test.mpg to a CTRL-C
> to stop it a few second later (~ 10 to 15 seconds later).
>
> Does this mean the card is working, but somehow data is not being sent
> to disc ?
My guess is that you have to swap data in ivtv_read_reg and ivtv_write_reg
(ivtv-dma.c). And probably in lots of other places.
Hans
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