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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-02-07 16:32:52 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-02-07 16:32:52 +0100 |
| commit | 0dca00b282fb06ec1512bccafd32e0a919242208 (patch) | |
| tree | 1f443869475eb32a8a8babfdf68b74b6d4d601cb /media/libwebp/utils/quant_levels_dec_utils.c | |
| parent | 76fe52eb81db323ceaa8396de39b76efbce1c25e (diff) | |
| parent | 0b6d9a47051be9ef4d064c6f7c60717da91d0bc2 (diff) | |
| download | UXP-0dca00b282fb06ec1512bccafd32e0a919242208.tar UXP-0dca00b282fb06ec1512bccafd32e0a919242208.tar.gz UXP-0dca00b282fb06ec1512bccafd32e0a919242208.tar.lz UXP-0dca00b282fb06ec1512bccafd32e0a919242208.tar.xz UXP-0dca00b282fb06ec1512bccafd32e0a919242208.zip | |
Merge branch 'master' into Basilisk-release
Diffstat (limited to 'media/libwebp/utils/quant_levels_dec_utils.c')
| -rw-r--r-- | media/libwebp/utils/quant_levels_dec_utils.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/media/libwebp/utils/quant_levels_dec_utils.c b/media/libwebp/utils/quant_levels_dec_utils.c index 5c498382d..a60de3444 100644 --- a/media/libwebp/utils/quant_levels_dec_utils.c +++ b/media/libwebp/utils/quant_levels_dec_utils.c @@ -261,9 +261,15 @@ static void CleanupParams(SmoothParams* const p) { int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride, int strength) { - const int radius = 4 * strength / 100; + int radius = 4 * strength / 100; + if (strength < 0 || strength > 100) return 0; if (data == NULL || width <= 0 || height <= 0) return 0; // bad params + + // limit the filter size to not exceed the image dimensions + if (2 * radius + 1 > width) radius = (width - 1) >> 1; + if (2 * radius + 1 > height) radius = (height - 1) >> 1; + if (radius > 0) { SmoothParams p; memset(&p, 0, sizeof(p)); |