diff options
| -rw-r--r-- | libavcodec/mpegvideo.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 16803a00e6..3e90178ffb 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -1429,7 +1429,7 @@ static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, y = (x * f) >> 16; fr = (x * f) & 0xFFFF; buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; - buf[(y + 1) * stride + x] += (color * fr ) >> 16; + if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16; } } else { if (sy > ey) { @@ -1446,7 +1446,7 @@ static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, x = (y*f) >> 16; fr = (y*f) & 0xFFFF; buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; - buf[y * stride + x + 1] += (color * fr ) >> 16; + if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16; } } } |