Move a subtraction to the other side of the equal to avoid overflows.
Signed-off-by: Nicolas George <geo...@nsup.org>
---
libavfilter/vsrc_testsrc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c
index fe0d50aa41..a790974d14 100644
--- a/libavfilter/vsrc_testsrc.c
+++ b/libavfilter/vsrc_testsrc.c
@@ -857,8 +857,8 @@ static void test2_fill_picture(AVFilterContext *ctx,
AVFrame *frame)
uint8_t alpha[256];
r = s->pts;
- for (y = ymin; y < ymax - 15; y += 16) {
- for (x = xmin; x < xmax - 15; x += 16) {
+ for (y = ymin; y + 15 < ymax; y += 16) {
+ for (x = xmin; x + 15 < xmax; x += 16) {
if ((x ^ y) & 16)
continue;
for (i = 0; i < 256; i++) {
--
2.14.2
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
