[linux-dvb] Re: [PATCH] fix for stream corruption on budget /Nova-T cards

[Jon Burgess <mplayer@jburgess.uklinux.net>]

Lauri Tischler wrote:

> Where do you apply that to DVB cvs ?
I haven't tried the DVB driver. Try the patch attached, it is completely 
untested, but it looks like the code in the DVB driver is similar enough 
for it to work the same.

	Jon

diff -Nurw DVB/driver/av7110/av7110.c DVB-cvs/driver/av7110/av7110.c
--- DVB/driver/av7110/av7110.c	Thu Aug 28 14:05:53 2003
+++ DVB-cvs/driver/av7110/av7110.c	Sat Aug 30 13:28:27 2003
@@ -919,6 +919,19 @@
         u32 dmapos;
 
         dmapos=saa7146_read(av7110->saa_mem, PCI_VDP3);
+
+	if ((dmapos == 0) || (dmapos == TS_BUFLEN / 2)) {
+	          /* The DMA Pointer is unreliable at 0% and 50% of buffer and
+	           * frequently gets the two positions confused, we make a
+		   * guess of the likely value based on the last known value
+		   */
+	           if (av7110->ttbp < TS_BUFLEN/2) {
+		           dmapos = TS_BUFLEN/2;
+		   } else {
+		           dmapos = 0;
+		   }
+	}
+
         dmapos-=(dmapos%188);
 
         if (dmapos >= TS_BUFLEN)