kUToG 90 third_party/libwebp/dsp/upsampling_neon.c static const int16_t kCoeffs[4] = { kYScale, kVToR, kUToG, kVToG }; kUToG 99 third_party/libwebp/dsp/yuv.c VP8kUtoRGBA[i].i32[1] = -kUToG * (i - 128); kUToG 81 third_party/libwebp/dsp/yuv.h #define kGCst (-kYScale * 16 + kUToG * 128 + kVToG * 128 + YUV_HALF2) kUToG 99 third_party/libwebp/dsp/yuv.h return VP8Clip8(kYScale * y - kUToG * u - kVToG * v + kGCst);