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Searched refs:YUV_FIX (Results 1 – 4 of 4) sorted by relevance

/external/webp/src/dsp/
Dyuv.h59 YUV_FIX = 16, // fixed-point precision for RGB->YUV enumerator
60 YUV_HALF = 1 << (YUV_FIX - 1),
61 YUV_MASK = (256 << YUV_FIX) - 1,
191 uv = (uv + rounding + (128 << (YUV_FIX + 2))) >> (YUV_FIX + 2); in VP8ClipUV()
199 return (luma + rounding + (16 << YUV_FIX)) >> YUV_FIX; // no need to clip in VP8RGBToY()
219 return (luma + rounding) >> YUV_FIX; // no need to clip in VP8RGBToY()
Dyuv.c38 VP8kVToR[i] = (89858 * (i - 128) + YUV_HALF) >> YUV_FIX; in VP8YUVInit()
41 VP8kUToB[i] = (113618 * (i - 128) + YUV_HALF) >> YUV_FIX; in VP8YUVInit()
44 const int k = ((i - 16) * 76283 + YUV_HALF) >> YUV_FIX; in VP8YUVInit()
50 VP8kVToR[i] = (91881 * (i - 128) + YUV_HALF) >> YUV_FIX; in VP8YUVInit()
53 VP8kUToB[i] = (116130 * (i - 128) + YUV_HALF) >> YUV_FIX; in VP8YUVInit()
Dyuv_sse2.c520 const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF); in ConvertRGBToY()
526 TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y); in ConvertRGBToY()
537 const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2); in ConvertRGBToUV()
544 kHALF_UV, YUV_FIX + 2, *U); in ConvertRGBToUV()
546 kHALF_UV, YUV_FIX + 2, *V); in ConvertRGBToUV()
/external/webp/src/enc/
Dpicture_csp_enc.c142 : VP8RGBToY(r, g, b, VP8RandomBits(rg, YUV_FIX)); in RGBToY()
147 : VP8RGBToU(r, g, b, VP8RandomBits(rg, YUV_FIX + 2)); in RGBToU()
152 : VP8RGBToV(r, g, b, VP8RandomBits(rg, YUV_FIX + 2)); in RGBToV()
169 #define SROUNDER (1 << (YUV_FIX + SFIX - 1))
254 return (luma >> YUV_FIX); in RGBToGray()
376 return clip_8b(16 + (luma >> (YUV_FIX + SFIX))); in ConvertRGBToY()
381 return clip_8b(128 + (u >> (YUV_FIX + SFIX))); in ConvertRGBToU()
386 return clip_8b(128 + (v >> (YUV_FIX + SFIX))); in ConvertRGBToV()