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avutil/imgutils: don't fill data pointers for missing planes

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The size for a previous plane doesn't signal the presence of another after it.
If the plane is present, av_image_fill_plane_sizes() will have returned a size
for it.

Fixes a regression since 3a8e927176.

Reported-by: Imad R. Faiad <irfaiad@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-07-24 15:04:05 -03:00
parent a6df1fd5e9
commit 5ce47d0aad
1 changed files with 1 additions and 1 deletions
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2
libavutil/imgutils.c
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@ -167,7 +167,7 @@ int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int hei
memset(data , 0, sizeof(data[0])*4); memset(data , 0, sizeof(data[0])*4);
data[0] = ptr; data[0] = ptr;
for (i = 1; i < 4 && sizes[i - 1] > 0; i++) for (i = 1; i < 4 && sizes[i]; i++)
data[i] = data[i - 1] + sizes[i - 1]; data[i] = data[i - 1] + sizes[i - 1];
return ret; return ret;