2339 lines
67 KiB
C
2339 lines
67 KiB
C
//*@@@+++@@@@******************************************************************
|
|
//
|
|
// Copyright © Microsoft Corp.
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// • Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// • Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
//*@@@---@@@@******************************************************************
|
|
#include <stdlib.h>
|
|
|
|
#include <JXRGlue.h>
|
|
#include <math.h>
|
|
|
|
//================================================================
|
|
// PKFormatConverter
|
|
//================================================================
|
|
#define HLF_MIN 0.00006103515625f
|
|
#define HLF_MAX 65504.0f
|
|
|
|
#define HLF_MIN_BITS 0x0400
|
|
#define HLF_MAX_BITS 0x7bff
|
|
|
|
#define HLF_MIN_BITS_NEG (HLF_MIN_BITS | 0x8000)
|
|
#define HLF_MAX_BITS_NEG (HLF_MAX_BITS | 0x8000)
|
|
|
|
#define HLF_QNaN_BITZS 0x7fff
|
|
|
|
// simple and slow implementation of half <-> float conversion
|
|
static U32 Convert_Half_To_Float(U16 u16)
|
|
{
|
|
// 1s5e10m -> 1s8e23m
|
|
const U32 s = (u16 >> 15) & 0x0001;
|
|
const U32 e = (u16 >> 10) & 0x001f;
|
|
const U32 m = (u16 >> 0) & 0x03ff;
|
|
|
|
if (0 == e) // 0, denorm
|
|
{
|
|
return s << 31;
|
|
}
|
|
else if (~(~0 << 5) == e) // inf, snan, qnan
|
|
{
|
|
return (s << 31) | ~(~0 << 8) << 23| (m << 13);
|
|
}
|
|
|
|
return (s << 31) | ((e - 15 + 127) << 23) | (m << 13); // norm
|
|
}
|
|
|
|
|
|
static U16 Convert_Float_To_Half(float f)
|
|
{
|
|
// 1s5e10m -> 1s8e23m
|
|
const U32 iFloat = *(U32*)&f; // Convert float to U32
|
|
|
|
if (f != f)
|
|
{
|
|
return (U16)(iFloat | HLF_QNaN_BITZS); // +QNaN, -QNaN
|
|
}
|
|
else if (f < -HLF_MAX)
|
|
{
|
|
return HLF_MAX_BITS_NEG;
|
|
}
|
|
else if (HLF_MAX < f)
|
|
{
|
|
return HLF_MAX_BITS;
|
|
}
|
|
else if (-HLF_MIN < f && f < HLF_MIN)
|
|
{
|
|
return (U16)((iFloat >> 16) & 0x8000); // +0, -0
|
|
}
|
|
|
|
// Cut-and-paste from C++, introduce scope so we can decl more vars
|
|
{
|
|
const U32 s = (iFloat >> 31) & 0x00000001;
|
|
const U32 e = (iFloat >> 23) & 0x000000ff;
|
|
const U32 m = (iFloat >> 0) & 0x007fffff;
|
|
|
|
return (U16) ((s << 15) | ((e - 127 + 15) << 10) | (m >> 13));
|
|
}
|
|
}
|
|
|
|
|
|
static U8 Convert_Float_To_U8(float f)
|
|
{
|
|
// convert from linear scRGB to non-linear sRGB
|
|
if (f <= 0)
|
|
{
|
|
return 0;
|
|
}
|
|
else if (f <= 0.0031308f)
|
|
{
|
|
return (U8)((255.0f * f * 12.92f) + 0.5f);
|
|
}
|
|
else if (f < 1.0f)
|
|
{
|
|
return (U8)((255.0f * ((1.055f * (float)pow(f, 1.0 / 2.4)) - 0.055f)) + 0.5f);
|
|
}
|
|
else
|
|
{
|
|
return 255;
|
|
}
|
|
}
|
|
|
|
static U8 Convert_AlphaFloat_To_U8(float f)
|
|
{
|
|
// alpha is converted differently than RGB in scRGB
|
|
if (f <= 0)
|
|
{
|
|
return 0;
|
|
}
|
|
else if (f < 1.0f)
|
|
{
|
|
return (U8)((255.0f * f) + 0.5f);
|
|
}
|
|
else
|
|
{
|
|
return 255;
|
|
}
|
|
}
|
|
|
|
|
|
ERR RGB24_BGR24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width * 3; j += 3)
|
|
{
|
|
// swap red with blue
|
|
U8 t = pb[j];
|
|
pb[j] = pb[j + 2];
|
|
pb[j + 2] = t;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR BGR24_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
return RGB24_BGR24(pFC, pRect, pb, cbStride);
|
|
}
|
|
|
|
ERR RGB24_BGR32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width; j++)
|
|
{
|
|
// swap red with blue
|
|
U8 t = pb[3*j];
|
|
pb[4*j] = pb[3*j + 2];
|
|
pb[4*j + 1] = pb[3*j + 1];
|
|
pb[4*j + 2] = t;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR BGR32_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width; j++)
|
|
{
|
|
// swap red with blue
|
|
U8 t = pb[4*j];
|
|
pb[3*j] = pb[4*j + 2];
|
|
pb[3*j + 1] = pb[4*j + 1];
|
|
pb[3*j + 2] = t;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB24_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0, k = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0, k = 0; j < pRect->Width * 3; j += 3, ++k)
|
|
{
|
|
U8 r = pb[j];
|
|
U8 g = pb[j + 1];
|
|
U8 b = pb[j + 2];
|
|
|
|
pb[k] = r / 4 + g / 2 + b / 8 + 16;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR BGR24_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
Call(BGR24_RGB24(pFC, pRect, pb, cbStride));
|
|
Call(RGB24_Gray8(pFC, pRect, pb, cbStride));
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|
|
ERR Gray8_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0, k = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = pRect->Width - 1, k = 3 * j; 0 <= j; j--, k -= 3)
|
|
{
|
|
U8 v = pb[j];
|
|
|
|
pb[k] = v;
|
|
pb[k + 1] = v;
|
|
pb[k + 2] = v;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR Gray8_BGR24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
return Gray8_RGB24(pFC, pRect, pb, cbStride);
|
|
}
|
|
|
|
#if 0
|
|
ERR RGB48_BGR48(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
Call(PKFormatConverter_Copy(pFC, pRect, pb, cbStride));
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width; j += 3)
|
|
{
|
|
U16* ps = (U16*)pb;
|
|
|
|
// swap red with blue
|
|
U16 t = ps[j];
|
|
ps[j] = ps[j + 2];
|
|
ps[j + 2] = t;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|
|
ERR BGR48_RGB48(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
return RGB48_BGR48(pFC, pRect, pb, cbStride);
|
|
}
|
|
|
|
ERR RGB48_Gray16(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
I32 i = 0, j = 0, k = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
Call(PKFormatConverter_Copy(pFC, pRect, pb, cbStride));
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0, k = 0; j < pRect->Width; j += 3, ++k)
|
|
{
|
|
U16* ps = (U16*)pb;
|
|
|
|
// Y = r / 4 + g / 2 + b / 8 + 16
|
|
U16 r = ps[j];
|
|
U16 g = ps[j + 1];
|
|
U16 b = ps[j + 2];
|
|
|
|
ps[k] = r / 4 + g / 2 + b / 8 + 16;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
ERR RGBA128Fixed_RGBA128Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width; // 4 == R, G, B, A
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidthX4; x++)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGBA128Float_RGBA128Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width; // 4 == R, G, B, A
|
|
const float fltCvtFactor = (float)(1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I32 *piDstPixel = (I32*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX4; x++)
|
|
piDstPixel[x] = (I32) (pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGB96Fixed_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3 * pRect->Width; // 3 == R, G, B
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidthX3; x++)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB128Fixed_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = piSrcPixel[4*x] * fltCvtFactor;
|
|
pfltDstPixel[3*x+1] = piSrcPixel[4*x+1] * fltCvtFactor;
|
|
pfltDstPixel[3*x+2] = piSrcPixel[4*x+2] * fltCvtFactor;
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGB96Float_RGB96Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3 * pRect->Width; // 3 == R, G, B
|
|
const float fltCvtFactor = (float) (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I32 *piDstPixel = (I32*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX3; x++)
|
|
piDstPixel[x] = (I32)(pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB128Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = (float) (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
assert(iWidth > 2); // Otherwise, we corrupt source data in inner loop
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
I32 *piDstPixel = (I32*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
piDstPixel[4*x] = (I32)(pfltSrcPixel[3*x] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+1] = (I32)(pfltSrcPixel[3*x+1] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+2] = (I32)(pfltSrcPixel[3*x+2] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+3] = 0; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB128Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
assert(iWidth > 2); // Otherwise, we corrupt source data in inner loop
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
pfltDstPixel[4*x] = pfltSrcPixel[3*x];
|
|
pfltDstPixel[4*x+1] = pfltSrcPixel[3*x+1];
|
|
pfltDstPixel[4*x+2] = pfltSrcPixel[3*x+2];
|
|
pfltDstPixel[4*x+3] = 0.0F; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB128Float_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = pfltSrcPixel[4*x];
|
|
pfltDstPixel[3*x+1] = pfltSrcPixel[4*x+1];
|
|
pfltDstPixel[3*x+2] = pfltSrcPixel[4*x+2];
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB48Half_RGB64Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
assert(iWidth > 2); // Otherwise, we corrupt source data in inner loop
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
piDstPixel[4*x] = piSrcPixel[3*x];
|
|
piDstPixel[4*x+1] = piSrcPixel[3*x+1];
|
|
piDstPixel[4*x+2] = piSrcPixel[3*x+2];
|
|
piDstPixel[4*x+3] = 0; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB64Half_RGB48Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const short *piSrcPixel = (I16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[3*x] = piSrcPixel[4*x];
|
|
piDstPixel[3*x+1] = piSrcPixel[4*x+1];
|
|
piDstPixel[3*x+2] = piSrcPixel[4*x+2];
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR BGR24_BGR32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
assert(iWidth > 2); // Otherwise, we corrupt source data in inner loop
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = pb + cbStride*y;
|
|
const U8 *piSrcPixel = piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
piDstPixel[4*x] = piSrcPixel[3*x];
|
|
piDstPixel[4*x+1] = piSrcPixel[3*x+1];
|
|
piDstPixel[4*x+2] = piSrcPixel[3*x+2];
|
|
piDstPixel[4*x+3] = 0; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR BGR32_BGR24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = pb + cbStride*y;
|
|
const U8 *piSrcPixel = piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[3*x] = piSrcPixel[4*x];
|
|
piDstPixel[3*x+1] = piSrcPixel[4*x+1];
|
|
piDstPixel[3*x+2] = piSrcPixel[4*x+2];
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray32Fixed_Gray32Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray32Float_Gray32Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = (float) (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I32 *piDstPixel = (I32*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
piDstPixel[x] = (I32)(pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR Gray16Fixed_Gray32Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray32Float_Gray16Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = (float) (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
piDstPixel[x] = (I16)(pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB48Fixed_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3 * pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidthX3 - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB48Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3 * pRect->Width;
|
|
const float fltCvtFactor = (float)(1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX3; x++)
|
|
piDstPixel[x] = (I16)(pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB64Fixed_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
pfltDstPixel[3*x] = piSrcPixel[4*x] * fltCvtFactor;
|
|
pfltDstPixel[3*x+1] = piSrcPixel[4*x+1] * fltCvtFactor;
|
|
pfltDstPixel[3*x+2] = piSrcPixel[4*x+2] * fltCvtFactor;
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB64Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = (float)(1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[4*x] = (I16)(pfltSrcPixel[3*x] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+1] = (I16)(pfltSrcPixel[3*x+1] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+2] = (I16)(pfltSrcPixel[3*x+2] * fltCvtFactor + 0.5F);
|
|
piDstPixel[4*x+3] = 0; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGBA64Fixed_RGBA128Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidthX4 - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = piSrcPixel[x] * fltCvtFactor;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGBA128Float_RGBA64Fixed(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width;
|
|
const float fltCvtFactor = (float)(1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX4; x++)
|
|
piDstPixel[x] = (I16)(pfltSrcPixel[x] * fltCvtFactor + 0.5F);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGBE_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
float *pfltDstPixel = (float*)(pb + cbStride*y);
|
|
const U8 *piSrcPixel = (U8*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
// First read the exponent
|
|
const U8 rawExp = piSrcPixel[4*x+3];
|
|
|
|
if (0 == rawExp)
|
|
{
|
|
pfltDstPixel[3*x] = 0.0F;
|
|
pfltDstPixel[3*x+1] = 0.0F;
|
|
pfltDstPixel[3*x+2] = 0.0F;
|
|
}
|
|
else
|
|
{
|
|
const I32 adjExp = (I32)rawExp - 128 - 8; // Can be negative
|
|
float fltExp;
|
|
|
|
if (adjExp > -32 && adjExp < 32)
|
|
{
|
|
fltExp = (float) (((U32)1) << abs(adjExp));
|
|
if (adjExp < 0)
|
|
fltExp = 1.0F / fltExp;
|
|
}
|
|
else
|
|
{
|
|
fltExp = (float)ldexp(1.0F, adjExp);
|
|
}
|
|
|
|
pfltDstPixel[3*x] = piSrcPixel[4*x] * fltExp;
|
|
pfltDstPixel[3*x + 1] = piSrcPixel[4*x + 1] * fltExp;
|
|
pfltDstPixel[3*x + 2] = piSrcPixel[4*x + 2] * fltExp;
|
|
}
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGBE(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
assert(iWidth > 2); // Otherwise, we corrupt source data in inner loop
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
// We clamp source RGB values at zero (don't allow negative numbers)
|
|
const float fltRed = max(pfltSrcPixel[3*x], 0.0F);
|
|
const float fltGreen = max(pfltSrcPixel[3*x+1], 0.0F);
|
|
const float fltBlue = max(pfltSrcPixel[3*x+2], 0.0F);
|
|
float fltMaxPos = fltRed;
|
|
|
|
if (fltGreen > fltMaxPos)
|
|
fltMaxPos = fltGreen;
|
|
|
|
if (fltBlue > fltMaxPos)
|
|
fltMaxPos = fltBlue;
|
|
|
|
if (fltMaxPos < 1e-32)
|
|
{
|
|
piDstPixel[4*x] = 0; // R
|
|
piDstPixel[4*x+1] = 0; // G
|
|
piDstPixel[4*x+2] = 0; // B
|
|
piDstPixel[4*x+3] = 0; // E
|
|
}
|
|
else
|
|
{
|
|
int e;
|
|
const float fltScale = (float)frexp(fltMaxPos, &e) * 256 / fltMaxPos;
|
|
|
|
// rounding SHOULD NOT be added - it has the potential to roll over to zero (and yes, 256 is the correct multiplier above)
|
|
piDstPixel[4*x] = (U8)(fltRed * fltScale); // R
|
|
piDstPixel[4*x+1] = (U8)(fltGreen * fltScale); // G
|
|
piDstPixel[4*x+2] = (U8)(fltBlue * fltScale); // B
|
|
piDstPixel[4*x+3] = (U8)(e + 128); // E
|
|
}
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGBA64Half_RGBA128Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U32 *pfltDstPixel = (U32*)(pb + cbStride*y); // It's really float, but use U32 ptr
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidthX4 - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = Convert_Half_To_Float(piSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGBA128Float_RGBA64Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX4; x++)
|
|
piDstPixel[x] = Convert_Float_To_Half(pfltSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB64Half_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U32 *pfltDstPixel = (U32*)(pb + cbStride*y); // It's really float, but use U32 ptr
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
pfltDstPixel[3*x] = Convert_Half_To_Float(piSrcPixel[4*x]);
|
|
pfltDstPixel[3*x+1] = Convert_Half_To_Float(piSrcPixel[4*x+1]);
|
|
pfltDstPixel[3*x+2] = Convert_Half_To_Float(piSrcPixel[4*x+2]);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB64Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[4*x] = Convert_Float_To_Half(pfltSrcPixel[3*x]);
|
|
piDstPixel[4*x+1] = Convert_Float_To_Half(pfltSrcPixel[3*x+1]);
|
|
piDstPixel[4*x+2] = Convert_Float_To_Half(pfltSrcPixel[3*x+2]);
|
|
piDstPixel[4*x+3] = 0; // Zero out the alpha channel
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB48Half_RGB96Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3*pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U32 *pfltDstPixel = (U32*)(pb + cbStride*y); // It's really float, but use U32 ptr
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidthX3 - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = Convert_Half_To_Float(piSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB96Float_RGB48Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX3 = 3*pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidthX3; x++)
|
|
piDstPixel[x] = Convert_Float_To_Half(pfltSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray16Half_Gray32Float(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U32 *pfltDstPixel = (U32*)(pb + cbStride*y); // It's really float, but use U32 ptr
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
pfltDstPixel[x] = Convert_Half_To_Float(piSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray32Float_Gray16Half(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
I16 *piDstPixel = (I16*)(pb + cbStride*y);
|
|
const float *pfltSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
piDstPixel[x] = Convert_Float_To_Half(pfltSrcPixel[x]);
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB555_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
const U16 v = piSrcPixel[x];
|
|
const unsigned int r = ((v >> 10) & 0x1f);
|
|
const unsigned int g = ((v >> 5) & 0x1f);
|
|
const unsigned int b = (v & 0x1f);
|
|
|
|
piDstPixel[3*x] = (U8)(r << 3); // R
|
|
piDstPixel[3*x+1] = (U8)(g << 3); // G
|
|
piDstPixel[3*x+2] = (U8)(b << 3); // B
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB101010_RGB48(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U16 *piDstPixel = (U16*)(pb + cbStride*y);
|
|
const U32 *piSrcPixel = (U32*)piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
const U32 v = piSrcPixel[x];
|
|
const unsigned int r = ((v >> 20) & 0x3FF);
|
|
const unsigned int g = ((v >> 10) & 0x3FF);
|
|
const unsigned int b = (v & 0x3FF);
|
|
|
|
piDstPixel[3*x] = (U16)(r << 6); // R
|
|
piDstPixel[3*x+1] = (U16)(g << 6); // G
|
|
piDstPixel[3*x+2] = (U16)(b << 6); // B
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGB24_RGB555(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U16 *piDstPixel = (U16*)(pb + cbStride*y);
|
|
const U8 *piSrcPixel = (U8*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const unsigned int r = piSrcPixel[3*x];
|
|
const unsigned int g = piSrcPixel[3*x+1];
|
|
const unsigned int b = piSrcPixel[3*x+2];
|
|
|
|
piDstPixel[x] = (U16) (
|
|
((r & 0xF8) << 7) |
|
|
((g & 0xF8) << 2) |
|
|
(b >> 3));
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGB48_RGB101010(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U32 *piDstPixel = (U32*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const unsigned int r = piSrcPixel[3*x];
|
|
const unsigned int g = piSrcPixel[3*x+1];
|
|
const unsigned int b = piSrcPixel[3*x+2];
|
|
|
|
piDstPixel[x] = (3 << 30) | // For compatibility with D3D's 2-10-10-10 format.
|
|
((r & 0x0000FFC0) << 14) |
|
|
((g & 0x0000FFC0) << 4) |
|
|
(b >> 6);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGB565_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = iWidth - 1; x >= 0; x--)
|
|
{
|
|
const U16 v = piSrcPixel[x];
|
|
const unsigned int r = ((v >> 11) & 0x1f);
|
|
const unsigned int g = ((v >> 5) & 0x3f);
|
|
const unsigned int b = (v & 0x1f);
|
|
|
|
piDstPixel[3*x] = (U8)(r << 3); // R
|
|
piDstPixel[3*x+1] = (U8)(g << 2); // G
|
|
piDstPixel[3*x+2] = (U8)(b << 3); // B
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
|
|
ERR RGB24_RGB565(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U16 *piDstPixel = (U16*)(pb + cbStride*y);
|
|
const U8 *piSrcPixel = (U8*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const unsigned int r = piSrcPixel[3*x];
|
|
const unsigned int g = piSrcPixel[3*x+1];
|
|
const unsigned int b = piSrcPixel[3*x+2];
|
|
|
|
piDstPixel[x] = (U16) (
|
|
((r & 0xF8) << 8) |
|
|
((g & 0xFC) << 3) |
|
|
(b >> 3));
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR RGBA32_BGRA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidthX4 = 4 * pRect->Width; // 4 == R, G, B, A
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piPixel = (U8*)(pb + cbStride*y);
|
|
|
|
for (x = 0; x < iWidthX4; x += 4)
|
|
{
|
|
// Swap R and B
|
|
U8 bTemp = piPixel[x];
|
|
piPixel[x] = piPixel[x+2];
|
|
piPixel[x+2] = bTemp;
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR BGRA32_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
return RGBA32_BGRA32(pFC, pRect, pb, cbStride);
|
|
}
|
|
|
|
|
|
ERR BlackWhite_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
Bool bBlackWhite = pFC->pDecoder->WMP.wmiSCP.bBlackWhite;
|
|
I32 y;
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = iHeight - 1; y >= 0; y--)
|
|
{
|
|
I32 x;
|
|
I32 n;
|
|
U8 *piDstPixel = (pb + cbStride*y);
|
|
const U8 *piSrcPixel = (U8*)piDstPixel;
|
|
|
|
if (iWidth % 8 != 0)
|
|
{
|
|
const U8 v = piSrcPixel[iWidth / 8];
|
|
|
|
for (n = 0; n < iWidth % 8; n++)
|
|
{
|
|
piDstPixel[iWidth/8*8+n] = (((v >> (7 - n)) & 0x1) != 0) ^ bBlackWhite ? 0xFF : 0x00;
|
|
}
|
|
}
|
|
|
|
for (x = iWidth / 8 - 1; x >= 0; x--)
|
|
{
|
|
const U8 v = piSrcPixel[x];
|
|
|
|
for (n = 0; n < 8; n++)
|
|
{
|
|
piDstPixel[8*x+n] = (((v >> (7 - n)) & 0x1) != 0) ^ bBlackWhite ? 0xFF : 0x00;
|
|
}
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
|
|
ERR Gray16_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width; ++j)
|
|
{
|
|
U16 v = ((U16*)pb)[j];
|
|
|
|
pb[j] = v >> 8;
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB48_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U16 r = piSrcPixel[3*x];
|
|
const U16 g = piSrcPixel[3*x+1];
|
|
const U16 b = piSrcPixel[3*x+2];
|
|
|
|
piDstPixel[3*x] = r >> 8;
|
|
piDstPixel[3*x+1] = g >> 8;
|
|
piDstPixel[3*x+2] = b >> 8;
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBA64_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U16 r = piSrcPixel[4*x];
|
|
const U16 g = piSrcPixel[4*x+1];
|
|
const U16 b = piSrcPixel[4*x+2];
|
|
const U16 a = piSrcPixel[4*x+3];
|
|
|
|
piDstPixel[4*x] = r >> 8;
|
|
piDstPixel[4*x+1] = g >> 8;
|
|
piDstPixel[4*x+2] = b >> 8;
|
|
piDstPixel[4*x+3] = a >> 8;
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR Gray32Float_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const float *piSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const float v = piSrcPixel[x];
|
|
|
|
piDstPixel[x] = Convert_Float_To_U8(v);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB96Float_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const float *piSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const float r = piSrcPixel[3*x];
|
|
const float g = piSrcPixel[3*x+1];
|
|
const float b = piSrcPixel[3*x+2];
|
|
|
|
piDstPixel[3*x] = Convert_Float_To_U8(r);
|
|
piDstPixel[3*x+1] = Convert_Float_To_U8(g);
|
|
piDstPixel[3*x+2] = Convert_Float_To_U8(b);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB128Float_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const float *piSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const float r = piSrcPixel[4*x];
|
|
const float g = piSrcPixel[4*x+1];
|
|
const float b = piSrcPixel[4*x+2];
|
|
|
|
piDstPixel[3*x] = Convert_Float_To_U8(r);
|
|
piDstPixel[3*x+1] = Convert_Float_To_U8(g);
|
|
piDstPixel[3*x+2] = Convert_Float_To_U8(b);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBA128Float_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const float *piSrcPixel = (float*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const float r = piSrcPixel[4*x];
|
|
const float g = piSrcPixel[4*x+1];
|
|
const float b = piSrcPixel[4*x+2];
|
|
const float a = piSrcPixel[4*x+3];
|
|
|
|
piDstPixel[4*x] = Convert_Float_To_U8(r);
|
|
piDstPixel[4*x+1] = Convert_Float_To_U8(g);
|
|
piDstPixel[4*x+2] = Convert_Float_To_U8(b);
|
|
piDstPixel[4*x+3] = Convert_AlphaFloat_To_U8(a);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR Gray16Fixed_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[x] = Convert_Float_To_U8(piSrcPixel[x] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR Gray32Fixed_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
piDstPixel[x] = Convert_Float_To_U8(piSrcPixel[x] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB48Fixed_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(piSrcPixel[3*x] * fltCvtFactor);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(piSrcPixel[3*x+1] * fltCvtFactor);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(piSrcPixel[3*x+2] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB64Fixed_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(piSrcPixel[4*x] * fltCvtFactor);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(piSrcPixel[4*x+1] * fltCvtFactor);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(piSrcPixel[4*x+2] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB96Fixed_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(piSrcPixel[3*x] * fltCvtFactor);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(piSrcPixel[3*x+1] * fltCvtFactor);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(piSrcPixel[3*x+2] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB128Fixed_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(piSrcPixel[4*x] * fltCvtFactor);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(piSrcPixel[4*x+1] * fltCvtFactor);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(piSrcPixel[4*x+2] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBA64Fixed_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 13);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I16 *piSrcPixel = (I16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[4*x] = Convert_Float_To_U8(piSrcPixel[4*x] * fltCvtFactor);
|
|
pfltDstPixel[4*x+1] = Convert_Float_To_U8(piSrcPixel[4*x+1] * fltCvtFactor);
|
|
pfltDstPixel[4*x+2] = Convert_Float_To_U8(piSrcPixel[4*x+2] * fltCvtFactor);
|
|
pfltDstPixel[4*x+3] = Convert_AlphaFloat_To_U8(piSrcPixel[4*x+3] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBA128Fixed_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
const float fltCvtFactor = 1.0F / (1 << 24);
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const I32 *piSrcPixel = (I32*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
pfltDstPixel[4*x] = Convert_Float_To_U8(piSrcPixel[4*x] * fltCvtFactor);
|
|
pfltDstPixel[4*x+1] = Convert_Float_To_U8(piSrcPixel[4*x+1] * fltCvtFactor);
|
|
pfltDstPixel[4*x+2] = Convert_Float_To_U8(piSrcPixel[4*x+2] * fltCvtFactor);
|
|
pfltDstPixel[4*x+3] = Convert_AlphaFloat_To_U8(piSrcPixel[4*x+3] * fltCvtFactor);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR Gray16Half_Gray8(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U32 v = Convert_Half_To_Float(piSrcPixel[x]);
|
|
|
|
piDstPixel[x] = Convert_Float_To_U8(*(float*)&v);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB48Half_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U32 r = Convert_Half_To_Float(piSrcPixel[3*x]);
|
|
const U32 g = Convert_Half_To_Float(piSrcPixel[3*x+1]);
|
|
const U32 b = Convert_Half_To_Float(piSrcPixel[3*x+2]);
|
|
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(*(float*)&r);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(*(float*)&g);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(*(float*)&b);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB64Half_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U32 r = Convert_Half_To_Float(piSrcPixel[4*x]);
|
|
const U32 g = Convert_Half_To_Float(piSrcPixel[4*x+1]);
|
|
const U32 b = Convert_Half_To_Float(piSrcPixel[4*x+2]);
|
|
|
|
pfltDstPixel[3*x] = Convert_Float_To_U8(*(float*)&r);
|
|
pfltDstPixel[3*x+1] = Convert_Float_To_U8(*(float*)&g);
|
|
pfltDstPixel[3*x+2] = Convert_Float_To_U8(*(float*)&b);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBA64Half_RGBA32(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *pfltDstPixel = (U8*)(pb + cbStride*y);
|
|
const U16 *piSrcPixel = (U16*)pfltDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U32 r = Convert_Half_To_Float(piSrcPixel[4*x]);
|
|
const U32 g = Convert_Half_To_Float(piSrcPixel[4*x+1]);
|
|
const U32 b = Convert_Half_To_Float(piSrcPixel[4*x+2]);
|
|
const U32 a = Convert_Half_To_Float(piSrcPixel[4*x+3]);
|
|
|
|
pfltDstPixel[4*x] = Convert_Float_To_U8(*(float*)&r);
|
|
pfltDstPixel[4*x+1] = Convert_Float_To_U8(*(float*)&g);
|
|
pfltDstPixel[4*x+2] = Convert_Float_To_U8(*(float*)&b);
|
|
pfltDstPixel[4*x+3] = Convert_AlphaFloat_To_U8(*(float*)&a);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGB101010_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
const I32 iHeight = pRect->Height;
|
|
const I32 iWidth = pRect->Width;
|
|
I32 y;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
// Stride is assumed to be same for src/dst
|
|
for (y = 0; y < iHeight; y++)
|
|
{
|
|
I32 x;
|
|
U8 *piDstPixel = (U8*)(pb + cbStride*y);
|
|
const U32 *piSrcPixel = (U32*)piDstPixel;
|
|
|
|
for (x = 0; x < iWidth; x++)
|
|
{
|
|
const U32 v = piSrcPixel[x];
|
|
const unsigned int r = ((v >> 20) & 0x3FF);
|
|
const unsigned int g = ((v >> 10) & 0x3FF);
|
|
const unsigned int b = (v & 0x3FF);
|
|
|
|
piDstPixel[3*x] = (U8) (r >> 2);
|
|
piDstPixel[3*x+1] = (U8) (g >> 2);
|
|
piDstPixel[3*x+2] = (U8) (b >> 2);
|
|
}
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR RGBE_RGB24(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
I32 i = 0, j = 0;
|
|
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
|
|
for (i = 0; i < pRect->Height; ++i)
|
|
{
|
|
for (j = 0; j < pRect->Width; j++)
|
|
{
|
|
// First read the exponent
|
|
const U8 rawExp = pb[4*j+3];
|
|
|
|
if (0 == rawExp)
|
|
{
|
|
pb[3*j] = 0;
|
|
pb[3*j+1] = 0;
|
|
pb[3*j+2] = 0;
|
|
}
|
|
else
|
|
{
|
|
const I32 adjExp = (I32)rawExp - 128 - 8; // Can be negative
|
|
float fltExp;
|
|
|
|
if (adjExp > -32 && adjExp < 32)
|
|
{
|
|
fltExp = (float) (((U32)1) << abs(adjExp));
|
|
if (adjExp < 0)
|
|
fltExp = 1.0F / fltExp;
|
|
}
|
|
else
|
|
{
|
|
fltExp = (float)ldexp(1.0F, adjExp);
|
|
}
|
|
|
|
pb[3*j] = Convert_Float_To_U8(pb[4*j] * fltExp);
|
|
pb[3*j + 1] = Convert_Float_To_U8(pb[4*j + 1] * fltExp);
|
|
pb[3*j + 2] = Convert_Float_To_U8(pb[4*j + 2] * fltExp);
|
|
}
|
|
}
|
|
|
|
pb += cbStride;
|
|
}
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
//================================================================
|
|
typedef struct tagPKPixelConverterInfo
|
|
{
|
|
const PKPixelFormatGUID* pGUIDPixFmtFrom;
|
|
const PKPixelFormatGUID* pGUIDPixFmtTo;
|
|
|
|
ERR (*Convert)(PKFormatConverter*, const PKRect*, U8*, U32);
|
|
} PKPixelConverterInfo;
|
|
|
|
static PKPixelConverterInfo s_pcInfo[] = {
|
|
{&GUID_PKPixelFormat24bppRGB, &GUID_PKPixelFormat24bppBGR, RGB24_BGR24}, // Fwd
|
|
{&GUID_PKPixelFormat24bppBGR, &GUID_PKPixelFormat24bppRGB, BGR24_RGB24}, // Rev
|
|
{&GUID_PKPixelFormat24bppRGB, &GUID_PKPixelFormat32bppBGR, RGB24_BGR32}, // Fwd
|
|
{&GUID_PKPixelFormat32bppBGR, &GUID_PKPixelFormat24bppRGB, BGR32_RGB24}, // Rev
|
|
|
|
// The following are not to be exposed when building the Adobe Photoshop plugin
|
|
#ifndef ADOBE_PS_PLUGIN
|
|
{&GUID_PKPixelFormat24bppRGB, &GUID_PKPixelFormat8bppGray, RGB24_Gray8}, // Fwd
|
|
{&GUID_PKPixelFormat8bppGray, &GUID_PKPixelFormat24bppRGB, Gray8_RGB24}, // Rev
|
|
{&GUID_PKPixelFormat24bppBGR, &GUID_PKPixelFormat8bppGray, BGR24_Gray8}, // Fwd
|
|
{&GUID_PKPixelFormat8bppGray, &GUID_PKPixelFormat24bppBGR, Gray8_BGR24}, // Rev
|
|
#endif // ADOBE_PS_PLUGIN
|
|
|
|
{&GUID_PKPixelFormat128bppRGBAFixedPoint, &GUID_PKPixelFormat128bppRGBAFloat, RGBA128Fixed_RGBA128Float}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBAFloat, &GUID_PKPixelFormat128bppRGBAFixedPoint, RGBA128Float_RGBA128Fixed}, // Rev
|
|
{&GUID_PKPixelFormat96bppRGBFixedPoint, &GUID_PKPixelFormat96bppRGBFloat, RGB96Fixed_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat96bppRGBFixedPoint, RGB96Float_RGB96Fixed}, // Rev
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat128bppRGBFloat, RGB96Float_RGB128Float}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBFloat, &GUID_PKPixelFormat96bppRGBFloat, RGB128Float_RGB96Float}, // Rev
|
|
{&GUID_PKPixelFormat96bppRGBFixedPoint, &GUID_PKPixelFormat128bppRGBFixedPoint, RGB96Float_RGB128Float}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBFixedPoint, &GUID_PKPixelFormat96bppRGBFixedPoint, RGB128Float_RGB96Float}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBHalf, &GUID_PKPixelFormat48bppRGBHalf, RGB64Half_RGB48Half}, // Fwd
|
|
{&GUID_PKPixelFormat48bppRGBHalf, &GUID_PKPixelFormat64bppRGBHalf, RGB48Half_RGB64Half}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBFixedPoint, &GUID_PKPixelFormat48bppRGBFixedPoint, RGB64Half_RGB48Half}, // Fwd
|
|
{&GUID_PKPixelFormat48bppRGBFixedPoint, &GUID_PKPixelFormat64bppRGBFixedPoint, RGB48Half_RGB64Half}, // Rev
|
|
{&GUID_PKPixelFormat32bppBGR, &GUID_PKPixelFormat24bppBGR, BGR32_BGR24}, // Fwd
|
|
{&GUID_PKPixelFormat24bppBGR, &GUID_PKPixelFormat32bppBGR, BGR24_BGR32}, // Rev
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat128bppRGBFixedPoint, RGB96Float_RGB128Fixed}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBFixedPoint, &GUID_PKPixelFormat96bppRGBFloat, RGB128Fixed_RGB96Float}, // Rev
|
|
{&GUID_PKPixelFormat32bppGrayFixedPoint, &GUID_PKPixelFormat32bppGrayFloat, Gray32Fixed_Gray32Float}, // Fwd
|
|
{&GUID_PKPixelFormat32bppGrayFloat, &GUID_PKPixelFormat32bppGrayFixedPoint, Gray32Float_Gray32Fixed}, // Rev
|
|
{&GUID_PKPixelFormat16bppGrayFixedPoint, &GUID_PKPixelFormat32bppGrayFloat, Gray16Fixed_Gray32Float}, // Fwd
|
|
{&GUID_PKPixelFormat32bppGrayFloat, &GUID_PKPixelFormat16bppGrayFixedPoint, Gray32Float_Gray16Fixed}, // Rev
|
|
{&GUID_PKPixelFormat48bppRGBFixedPoint, &GUID_PKPixelFormat96bppRGBFloat, RGB48Fixed_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat48bppRGBFixedPoint, RGB96Float_RGB48Fixed}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBFixedPoint, &GUID_PKPixelFormat96bppRGBFloat, RGB64Fixed_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat64bppRGBFixedPoint, RGB96Float_RGB64Fixed}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBAFixedPoint, &GUID_PKPixelFormat128bppRGBAFloat, RGBA64Fixed_RGBA128Float}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBAFloat, &GUID_PKPixelFormat64bppRGBAFixedPoint, RGBA128Float_RGBA64Fixed}, // Rev
|
|
{&GUID_PKPixelFormat32bppRGBE, &GUID_PKPixelFormat96bppRGBFloat, RGBE_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat32bppRGBE, RGB96Float_RGBE}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBAHalf, &GUID_PKPixelFormat128bppRGBAFloat, RGBA64Half_RGBA128Float}, // Fwd
|
|
{&GUID_PKPixelFormat128bppRGBAFloat, &GUID_PKPixelFormat64bppRGBAHalf, RGBA128Float_RGBA64Half}, // Rev
|
|
{&GUID_PKPixelFormat64bppRGBHalf, &GUID_PKPixelFormat96bppRGBFloat, RGB64Half_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat64bppRGBHalf, RGB96Float_RGB64Half}, // Rev
|
|
{&GUID_PKPixelFormat48bppRGBHalf, &GUID_PKPixelFormat96bppRGBFloat, RGB48Half_RGB96Float}, // Fwd
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat48bppRGBHalf, RGB96Float_RGB48Half}, // Rev
|
|
{&GUID_PKPixelFormat16bppGrayHalf, &GUID_PKPixelFormat32bppGrayFloat, Gray16Half_Gray32Float}, // Fwd
|
|
{&GUID_PKPixelFormat32bppGrayFloat, &GUID_PKPixelFormat16bppGrayHalf, Gray32Float_Gray16Half}, // Rev
|
|
{&GUID_PKPixelFormat16bppRGB555, &GUID_PKPixelFormat24bppRGB, RGB555_RGB24}, // Fwd
|
|
{&GUID_PKPixelFormat24bppRGB, &GUID_PKPixelFormat16bppRGB555, RGB24_RGB555}, // Rev
|
|
{&GUID_PKPixelFormat16bppRGB565, &GUID_PKPixelFormat24bppRGB, RGB565_RGB24}, // Fwd
|
|
{&GUID_PKPixelFormat24bppRGB, &GUID_PKPixelFormat16bppRGB565, RGB24_RGB565}, // Rev
|
|
{&GUID_PKPixelFormat32bppRGB101010, &GUID_PKPixelFormat48bppRGB, RGB101010_RGB48}, // Fwd
|
|
{&GUID_PKPixelFormat48bppRGB, &GUID_PKPixelFormat32bppRGB101010, RGB48_RGB101010}, // Rev
|
|
{&GUID_PKPixelFormat32bppRGBA, &GUID_PKPixelFormat32bppBGRA, RGBA32_BGRA32}, // Fwd
|
|
{&GUID_PKPixelFormat32bppBGRA, &GUID_PKPixelFormat32bppRGBA, BGRA32_RGBA32}, // Rev
|
|
{&GUID_PKPixelFormat32bppPRGBA, &GUID_PKPixelFormat32bppPBGRA, RGBA32_BGRA32}, // Fwd
|
|
{&GUID_PKPixelFormat32bppPBGRA, &GUID_PKPixelFormat32bppPRGBA, BGRA32_RGBA32}, // Rev
|
|
|
|
// conversions to 8bppGray / 24bppRGB / 32bppRGBA
|
|
{&GUID_PKPixelFormatBlackWhite, &GUID_PKPixelFormat8bppGray, BlackWhite_Gray8},
|
|
{&GUID_PKPixelFormat16bppGray, &GUID_PKPixelFormat8bppGray, Gray16_Gray8},
|
|
{&GUID_PKPixelFormat48bppRGB, &GUID_PKPixelFormat24bppRGB, RGB48_RGB24},
|
|
{&GUID_PKPixelFormat64bppRGBA, &GUID_PKPixelFormat32bppRGBA, RGBA64_RGBA32},
|
|
{&GUID_PKPixelFormat32bppGrayFloat, &GUID_PKPixelFormat8bppGray, Gray32Float_Gray8},
|
|
{&GUID_PKPixelFormat96bppRGBFloat, &GUID_PKPixelFormat24bppRGB, RGB96Float_RGB24},
|
|
{&GUID_PKPixelFormat128bppRGBFloat, &GUID_PKPixelFormat24bppRGB, RGB128Float_RGB24},
|
|
{&GUID_PKPixelFormat128bppRGBAFloat, &GUID_PKPixelFormat32bppRGBA, RGBA128Float_RGBA32},
|
|
{&GUID_PKPixelFormat16bppGrayFixedPoint, &GUID_PKPixelFormat8bppGray, Gray16Fixed_Gray8},
|
|
{&GUID_PKPixelFormat32bppGrayFixedPoint, &GUID_PKPixelFormat8bppGray, Gray32Fixed_Gray8},
|
|
{&GUID_PKPixelFormat48bppRGBFixedPoint, &GUID_PKPixelFormat24bppRGB, RGB48Fixed_RGB24},
|
|
{&GUID_PKPixelFormat64bppRGBFixedPoint, &GUID_PKPixelFormat24bppRGB, RGB64Fixed_RGB24},
|
|
{&GUID_PKPixelFormat96bppRGBFixedPoint, &GUID_PKPixelFormat24bppRGB, RGB96Fixed_RGB24},
|
|
{&GUID_PKPixelFormat128bppRGBFixedPoint, &GUID_PKPixelFormat24bppRGB, RGB128Fixed_RGB24},
|
|
{&GUID_PKPixelFormat64bppRGBAFixedPoint, &GUID_PKPixelFormat32bppRGBA, RGBA64Fixed_RGBA32},
|
|
{&GUID_PKPixelFormat128bppRGBAFixedPoint, &GUID_PKPixelFormat32bppRGBA, RGBA128Fixed_RGBA32},
|
|
{&GUID_PKPixelFormat16bppGrayHalf, &GUID_PKPixelFormat8bppGray, Gray16Half_Gray8},
|
|
{&GUID_PKPixelFormat48bppRGBHalf, &GUID_PKPixelFormat24bppRGB, RGB48Half_RGB24},
|
|
{&GUID_PKPixelFormat64bppRGBHalf, &GUID_PKPixelFormat24bppRGB, RGB64Half_RGB24},
|
|
{&GUID_PKPixelFormat64bppRGBAHalf, &GUID_PKPixelFormat32bppRGBA, RGBA64Half_RGBA32},
|
|
{&GUID_PKPixelFormat32bppRGB101010, &GUID_PKPixelFormat24bppRGB, RGB101010_RGB24},
|
|
{&GUID_PKPixelFormat32bppRGBE, &GUID_PKPixelFormat24bppRGB, RGBE_RGB24}
|
|
};
|
|
|
|
/* auxiliary data structure and hack to support valid encoding from/to configurations that
|
|
// don't actually require any color conversion. This is a conservative approach, where we
|
|
// include as few formats as necessary to encode situations that we're currently aware of.
|
|
*/
|
|
typedef struct tagPKPixelConverter2Info
|
|
{
|
|
const PKPixelFormatGUID* pGUIDPixFmtFrom;
|
|
const PKPixelFormatGUID* pGUIDPixFmtTo;
|
|
|
|
} PKPixelConverter2Info;
|
|
|
|
static PKPixelConverter2Info s_pcInfo2[] = {
|
|
// This allows us to view an RGBA input file as RGB, for when we create a planar alpha file
|
|
{&GUID_PKPixelFormat128bppRGBFloat, &GUID_PKPixelFormat128bppRGBAFloat},
|
|
// 16- and 32-bpp RGB input files are given the "DontCare" GUID, so the next three
|
|
// from/to combinations are ok, and allowed on encoding:
|
|
{&GUID_PKPixelFormatDontCare, &GUID_PKPixelFormat16bppRGB555},
|
|
{&GUID_PKPixelFormatDontCare, &GUID_PKPixelFormat16bppRGB565},
|
|
{&GUID_PKPixelFormatDontCare, &GUID_PKPixelFormat32bppBGRA}
|
|
};
|
|
|
|
ERR PKFormatConverter_Initialize(PKFormatConverter* pFC, PKImageDecode* pID, char *pExt, PKPixelFormatGUID enPF)
|
|
{
|
|
ERR err;
|
|
PKPixelFormatGUID enPFFrom;
|
|
|
|
Call(pID->GetPixelFormat(pID, &enPFFrom));
|
|
Call(PKFormatConverter_InitializeConvert(pFC, enPFFrom, pExt, enPF));
|
|
|
|
pFC->pDecoder = pID;
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|
|
|
|
extern int PKStrnicmp(const char* s1, const char* s2, size_t c);
|
|
|
|
ERR PKFormatConverter_InitializeConvert(PKFormatConverter* pFC, const PKPixelFormatGUID enPFFrom,
|
|
char *pExt, PKPixelFormatGUID enPFTo)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
//================================
|
|
pFC->enPixelFormat = enPFTo;
|
|
|
|
if (pExt != NULL && IsEqualGUID(&enPFTo, &GUID_PKPixelFormat24bppRGB) &&
|
|
0 == PKStrnicmp(pExt, ".bmp", strlen(pExt)))
|
|
enPFTo = GUID_PKPixelFormat24bppBGR;
|
|
if (pExt != NULL && (0 == PKStrnicmp(pExt, ".tif", strlen(pExt)) || 0 == PKStrnicmp(pExt, ".tiff", strlen(pExt))))
|
|
{
|
|
if (IsEqualGUID(&enPFTo, &GUID_PKPixelFormat32bppBGRA))
|
|
enPFTo = GUID_PKPixelFormat32bppRGBA;
|
|
if (IsEqualGUID(&enPFTo, &GUID_PKPixelFormat32bppPBGRA))
|
|
enPFTo = GUID_PKPixelFormat32bppPRGBA;
|
|
}
|
|
|
|
//================================
|
|
if (!IsEqualGUID(&enPFFrom, &enPFTo))
|
|
{
|
|
size_t i = 0;
|
|
for (i = 0; i < sizeof2(s_pcInfo); ++i)
|
|
{
|
|
PKPixelConverterInfo* pPCI = s_pcInfo + i;
|
|
|
|
if (IsEqualGUID(&enPFFrom, pPCI->pGUIDPixFmtFrom) && IsEqualGUID(&enPFTo, pPCI->pGUIDPixFmtTo))
|
|
{
|
|
pFC->Convert= pPCI->Convert;
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
// Bugfix to allow legitimate encoding from/to combinations that don't actually
|
|
// involve color conversions.
|
|
for (i = 0; i < sizeof2(s_pcInfo2); ++i)
|
|
{
|
|
PKPixelConverter2Info* pPCI = s_pcInfo2 + i;
|
|
|
|
if (IsEqualGUID(&enPFFrom, pPCI->pGUIDPixFmtFrom) && IsEqualGUID(&enPFTo, pPCI->pGUIDPixFmtTo))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
// If we failed the original check, and this bugfix check, then exit with error
|
|
Call(WMP_errUnsupportedFormat);
|
|
}
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|
|
ERR PKFormatConverter_EnumConversions(const PKPixelFormatGUID *pguidSourcePF,
|
|
const U32 iIndex,
|
|
const PKPixelFormatGUID **ppguidTargetPF)
|
|
{
|
|
U32 iCurrIdx = 0;
|
|
U32 i;
|
|
ERR errResult = WMP_errIndexNotFound;
|
|
|
|
*ppguidTargetPF = &GUID_PKPixelFormatDontCare; // Init return value
|
|
for (i = 0; i < sizeof2(s_pcInfo); i++)
|
|
{
|
|
if (IsEqualGUID(s_pcInfo[i].pGUIDPixFmtFrom, pguidSourcePF))
|
|
{
|
|
if (iCurrIdx == iIndex)
|
|
{
|
|
// Found our target
|
|
errResult = WMP_errSuccess;
|
|
*ppguidTargetPF = s_pcInfo[i].pGUIDPixFmtTo;
|
|
break;
|
|
}
|
|
iCurrIdx += 1;
|
|
}
|
|
}
|
|
|
|
return errResult;
|
|
}
|
|
|
|
ERR PKFormatConverter_GetPixelFormat(PKFormatConverter* pFC, PKPixelFormatGUID* pPF)
|
|
{
|
|
*pPF = pFC->enPixelFormat;
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR PKFormatConverter_GetSourcePixelFormat(PKFormatConverter* pFC, PKPixelFormatGUID* pPF)
|
|
{
|
|
return pFC->pDecoder->GetPixelFormat(pFC->pDecoder, pPF);
|
|
}
|
|
|
|
ERR PKFormatConverter_GetSize(PKFormatConverter* pFC, I32* piWidth, I32* piHeight)
|
|
{
|
|
return pFC->pDecoder->GetSize(pFC->pDecoder, piWidth, piHeight);
|
|
}
|
|
|
|
ERR PKFormatConverter_GetResolution(PKFormatConverter* pFC, Float* pfrX, Float* pfrY)
|
|
{
|
|
return pFC->pDecoder->GetResolution(pFC->pDecoder, pfrX, pfrY);
|
|
}
|
|
|
|
ERR PKFormatConverter_Copy(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
Call(pFC->pDecoder->Copy(pFC->pDecoder, pRect, pb, cbStride));
|
|
Call(pFC->Convert(pFC, pRect, pb, cbStride));
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|
|
ERR PKFormatConverter_Convert(PKFormatConverter* pFC, const PKRect* pRect, U8* pb, U32 cbStride)
|
|
{
|
|
UNREFERENCED_PARAMETER( pFC );
|
|
UNREFERENCED_PARAMETER( pRect );
|
|
UNREFERENCED_PARAMETER( pb );
|
|
UNREFERENCED_PARAMETER( cbStride );
|
|
|
|
return WMP_errSuccess;
|
|
}
|
|
|
|
ERR PKFormatConverter_Release(PKFormatConverter** ppFC)
|
|
{
|
|
ERR err = WMP_errSuccess;
|
|
|
|
Call(PKFree((void **) ppFC));
|
|
|
|
Cleanup:
|
|
return err;
|
|
}
|
|
|