avutil/pixdesc: dont try to use av_read_image_line() with bayer formats
authorMichael Niedermayer <michaelni@gmx.at>
Fri, 13 Sep 2013 18:51:41 +0000 (20:51 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 13 Sep 2013 18:51:41 +0000 (20:51 +0200)
It has undefined behavior ATM as its not supported.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavutil/pixdesc.c

index b89b99e..930f5a8 100644 (file)
@@ -1986,9 +1986,9 @@ void ff_check_pixfmt_descriptors(void){
             } else {
                 av_assert0(8*(c->step_minus1+1) >= c->depth_minus1+1);
             }
-            av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
             if (!strncmp(d->name, "bayer_", 6))
                 continue;
+            av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
             av_assert0(tmp[0] == 0 && tmp[1] == 0);
             tmp[0] = tmp[1] = (1<<(c->depth_minus1 + 1)) - 1;
             av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);