On Mon, Sep 12, 2005 at 07:05:35AM +0200, Edgar Toernig wrote: > Hamish Moffatt wrote: > > IMHO the BT878 buffer is too small, as it's not designed for this > > application. > > I'm not that sure that it's the small audio dma fifo. It's half as > big as the video fifo but video dma has much more than double the > bandwidth and I've never seen the error with video dma. And both > are sitting in the same PCI slot. In DVB/ATSC applications the video path isn't used. With regard to double the bit rate, for what resolution? Admittedly I don't know the format of the analog video data on the bus, but for a resolution of say 320x240 at 24 bit, that's only 1.8Mbit/sec. 3.6Mbit/sec if it's 48 bit (16-bit per YUV?). Compare that to up to 20Mbit/sec of MPEG2 data *on the audio path*. Hamish -- Hamish Moffatt VK3SB <hamish@xxxxxxxxxx> <hamish@xxxxxxxxxxxx>
