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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-01-21 13:09:32 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-01-21 13:09:32 +0100 |
| commit | d1a0bfe221b91ea37a34d0b0360f347d2a6394e5 (patch) | |
| tree | 5bba8c28b5415c90e90156bfa59a641a99118b99 /media/libwebp/dsp/rescaler.c | |
| parent | 9a954e2d1619788f658f6ec30c7dbd89b3d48b0d (diff) | |
| download | UXP-d1a0bfe221b91ea37a34d0b0360f347d2a6394e5.tar UXP-d1a0bfe221b91ea37a34d0b0360f347d2a6394e5.tar.gz UXP-d1a0bfe221b91ea37a34d0b0360f347d2a6394e5.tar.lz UXP-d1a0bfe221b91ea37a34d0b0360f347d2a6394e5.tar.xz UXP-d1a0bfe221b91ea37a34d0b0360f347d2a6394e5.zip | |
Update libwebp to version 1.0.2
This resolves #939.
Diffstat (limited to 'media/libwebp/dsp/rescaler.c')
| -rw-r--r-- | media/libwebp/dsp/rescaler.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/media/libwebp/dsp/rescaler.c b/media/libwebp/dsp/rescaler.c index f70e6beef..6bf387f8e 100644 --- a/media/libwebp/dsp/rescaler.c +++ b/media/libwebp/dsp/rescaler.c @@ -21,6 +21,7 @@ #define ROUNDER (WEBP_RESCALER_ONE >> 1) #define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) //------------------------------------------------------------------------------ // Row import @@ -138,7 +139,7 @@ void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) { if (yscale) { for (x_out = 0; x_out < x_out_max; ++x_out) { const uint32_t frac = (uint32_t)MULT_FIX(frow[x_out], yscale); - const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + const int v = (int)MULT_FIX_FLOOR(irow[x_out] - frac, wrk->fxy_scale); assert(v >= 0 && v <= 255); dst[x_out] = v; irow[x_out] = frac; // new fractional start @@ -153,6 +154,7 @@ void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) { } } +#undef MULT_FIX_FLOOR #undef MULT_FIX #undef ROUNDER |