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Optimized general_yCbCrToRGB_16s8u_P3AC4R for BGRX

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This commit is contained in:
Armin Novak 2017-01-16 10:01:51 +01:00
parent de34329ed6
commit d76ecc7662
1 changed files with 58 additions and 1 deletions
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59
libfreerdp/primitives/prim_colors.c
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@ -32,7 +32,49 @@
((_v_) < (_l_) ? (_l_) : ((_v_) > (_h_) ? (_h_) : (_v_)))
#endif /* !MINMAX */
/* ------------------------------------------------------------------------- */
static pstatus_t general_yCbCrToRGB_16s8u_P3AC4R(
static pstatus_t general_yCbCrToRGB_16s8u_P3AC4R_BGRX(
const INT16* pSrc[3], UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,
const prim_size_t* roi)
{
UINT32 x, y;
INT16 R, G, B;
float Y, Cb, Cr;
BYTE* pRGB = pDst;
const INT16* pY = pSrc[0];
const INT16* pCb = pSrc[1];
const INT16* pCr = pSrc[2];
int srcPad = (srcStep - (roi->width * 2)) / 2;
int dstPad = (dstStep - (roi->width * 4)) / 4;
const DWORD formatSize = GetBytesPerPixel(DstFormat);
for (y = 0; y < roi->height; y++)
{
for (x = 0; x < roi->width; x++)
{
Y = (float)(pY[0] + 4096);
Cb = (float)(pCb[0]);
Cr = (float)(pCr[0]);
R = ((INT16)(((Cr * 1.402525f) + Y + 16.0f)) >> 5);
G = ((INT16)((Y - (Cb * 0.343730f) - (Cr * 0.714401f) + 16.0f)) >> 5);
B = ((INT16)(((Cb * 1.769905f) + Y + 16.0f)) >> 5);
pRGB = writePixelBGRX(pRGB, formatSize, DstFormat, CLIP(R), CLIP(G),
CLIP(B), 0xFF);
pY++;
pCb++;
pCr++;
}
pY += srcPad;
pCb += srcPad;
pCr += srcPad;
pRGB += dstPad;
}
return PRIMITIVES_SUCCESS;
}
static pstatus_t general_yCbCrToRGB_16s8u_P3AC4R_general(
const INT16* pSrc[3], UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,
const prim_size_t* roi)
@ -75,6 +117,21 @@ static pstatus_t general_yCbCrToRGB_16s8u_P3AC4R(
return PRIMITIVES_SUCCESS;
}
static pstatus_t general_yCbCrToRGB_16s8u_P3AC4R(
const INT16* pSrc[3], UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,
const prim_size_t* roi)
{
switch (DstFormat)
{
case PIXEL_FORMAT_BGRX32:
return general_yCbCrToRGB_16s8u_P3AC4R_BGRX(pSrc, srcStep, pDst, DstFormat, dstStep, roi);
default:
return general_yCbCrToRGB_16s8u_P3AC4R_general(pSrc, srcStep, pDst, DstFormat, dstStep, roi);
}
}
static pstatus_t general_yCbCrToBGR_16s8u_P3AC4R(
const INT16* pSrc[3], UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,