Forgot to check the size of field one + field two when
estimating file resolution; i.e. interlaced images.

And me working for a Video company - the shame of it.

-Steve

Reference: /n/sources/patch/applied/yuv-interlace
Date: Mon Oct 20 17:32:19 CES 2008
Signed-off-by: steve@quintile.net

--- /sys/src/cmd/jpg/readyuv.c	Mon Oct 20 17:31:04 2008
+++ /sys/src/cmd/jpg/readyuv.c	Mon Oct 20 17:31:02 2008
@@ -37,6 +37,7 @@
 			continue;
 		p = atoll(a[3]);
 		l = atoll(a[5]);
+		l += atoll(a[7]);
 		if (l*p*2 == size){
 			*pixels = p;
 			*lines = l;