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lavfi/vf_drawbox.c: fix CID 1485004

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CID 1485004: Uninitialized variables (UNINIT)
Using uninitialized value "x" when calling "*pixel_belongs_to_region".

Signed-off-by: Ting Fu <ting.fu@intel.com>
This commit is contained in:
Ting Fu 2021-06-04 10:22:45 +08:00 committed by Guo Yejun
parent 58614f7bee
commit 22d99589d8
1 changed files with 3 additions and 2 deletions
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5
libavfilter/vf_drawbox.c
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@ -126,8 +126,9 @@ static void draw_region(AVFrame *frame, DrawBoxContext *ctx, int left, int top,
for (y = top; y < down; y++) {
ASSIGN_THREE_CHANNELS
if (ctx->invert_color) {
if (pixel_belongs_to_region(ctx, x, y))
row[0][x] = 0xff - row[0][x];
for (x = left; x < right; x++)
if (pixel_belongs_to_region(ctx, x, y))
row[0][x] = 0xff - row[0][x];
} else {
for (x = left; x < right; x++) {
double alpha = (double)ctx->yuv_color[A] / 255;