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Optimized general_YUV444ToRGB_8u_P3AC4R for BGRX

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This commit is contained in:
Armin Novak 2017-01-16 10:54:01 +01:00
parent 4d40b3c58e
commit 6b7b1cec39
1 changed files with 49 additions and 1 deletions
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50
libfreerdp/primitives/prim_YUV.c
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@ -316,7 +316,7 @@ static INLINE BYTE YUV2B(INT32 Y, INT32 U, INT32 V)
return CLIP(b8);
}
static pstatus_t general_YUV444ToRGB_8u_P3AC4R(
static pstatus_t general_YUV444ToRGB_8u_P3AC4R_general(
const BYTE* pSrc[3], const UINT32 srcStep[3],
BYTE* pDst, UINT32 dstStep, UINT32 DstFormat,
const prim_size_t* roi)
@ -350,6 +350,54 @@ static pstatus_t general_YUV444ToRGB_8u_P3AC4R(
return PRIMITIVES_SUCCESS;
}
static pstatus_t general_YUV444ToRGB_8u_P3AC4R_BGRX(
const BYTE* pSrc[3], const UINT32 srcStep[3],
BYTE* pDst, UINT32 dstStep, UINT32 DstFormat,
const prim_size_t* roi)
{
UINT32 x, y;
UINT32 nWidth, nHeight;
const DWORD formatSize = GetBytesPerPixel(DstFormat);
nWidth = roi->width;
nHeight = roi->height;
for (y = 0; y < nHeight; y++)
{
const BYTE* pY = pSrc[0] + y * srcStep[0];
const BYTE* pU = pSrc[1] + y * srcStep[1];
const BYTE* pV = pSrc[2] + y * srcStep[2];
BYTE* pRGB = pDst + y * dstStep;
for (x = 0; x < nWidth; x++)
{
const BYTE Y = pY[x];
const INT32 U = pU[x];
const INT32 V = pV[x];
const BYTE r = YUV2R(Y, U, V);
const BYTE g = YUV2G(Y, U, V);
const BYTE b = YUV2B(Y, U, V);
pRGB = writePixelBGRX(pRGB, formatSize, DstFormat, r, g, b, 0xFF);
}
}
return PRIMITIVES_SUCCESS;
}
static pstatus_t general_YUV444ToRGB_8u_P3AC4R(
const BYTE* pSrc[3], const UINT32 srcStep[3],
BYTE* pDst, UINT32 dstStep, UINT32 DstFormat,
const prim_size_t* roi)
{
switch (DstFormat)
{
case PIXEL_FORMAT_BGRA32:
case PIXEL_FORMAT_BGRX32:
return general_YUV444ToRGB_8u_P3AC4R_BGRX(pSrc, srcStep, pDst, dstStep, DstFormat, roi);
default:
return general_YUV444ToRGB_8u_P3AC4R_general(pSrc, srcStep, pDst, dstStep, DstFormat, roi);
}
}
/**
* | R | ( | 256 0 403 | | Y | )
* | G | = ( | 256 -48 -120 | | U - 128 | ) >> 8