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planar.c
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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* RDP6 Planar Codec
*
* Copyright 2013 Marc-Andre Moreau <[email protected]>
* Copyright 2016 Armin Novak <[email protected]>
* Copyright 2016 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/print.h>
#include <freerdp/primitives.h>
#include <freerdp/log.h>
#include <freerdp/codec/bitmap.h>
#include <freerdp/codec/planar.h>
#define TAG FREERDP_TAG("codec")
#define PLANAR_ALIGN(val, align) \
((val) % (align) == 0) ? (val) : ((val) + (align) - (val) % (align))
static INLINE UINT32 planar_invert_format(BITMAP_PLANAR_CONTEXT* planar, BOOL alpha,
UINT32 DstFormat)
{
if (planar->bgr && alpha)
{
switch (DstFormat)
{
case PIXEL_FORMAT_ARGB32:
DstFormat = PIXEL_FORMAT_ABGR32;
break;
case PIXEL_FORMAT_XRGB32:
DstFormat = PIXEL_FORMAT_XBGR32;
break;
case PIXEL_FORMAT_ABGR32:
DstFormat = PIXEL_FORMAT_ARGB32;
break;
case PIXEL_FORMAT_XBGR32:
DstFormat = PIXEL_FORMAT_XRGB32;
break;
case PIXEL_FORMAT_BGRA32:
DstFormat = PIXEL_FORMAT_RGBA32;
break;
case PIXEL_FORMAT_BGRX32:
DstFormat = PIXEL_FORMAT_RGBX32;
break;
case PIXEL_FORMAT_RGBA32:
DstFormat = PIXEL_FORMAT_BGRA32;
break;
case PIXEL_FORMAT_RGBX32:
DstFormat = PIXEL_FORMAT_BGRX32;
break;
case PIXEL_FORMAT_RGB24:
DstFormat = PIXEL_FORMAT_BGR24;
break;
case PIXEL_FORMAT_BGR24:
DstFormat = PIXEL_FORMAT_RGB24;
break;
case PIXEL_FORMAT_RGB16:
DstFormat = PIXEL_FORMAT_BGR16;
break;
case PIXEL_FORMAT_BGR16:
DstFormat = PIXEL_FORMAT_RGB16;
break;
case PIXEL_FORMAT_ARGB15:
DstFormat = PIXEL_FORMAT_ABGR15;
break;
case PIXEL_FORMAT_RGB15:
DstFormat = PIXEL_FORMAT_BGR15;
break;
case PIXEL_FORMAT_ABGR15:
DstFormat = PIXEL_FORMAT_ARGB15;
break;
case PIXEL_FORMAT_BGR15:
DstFormat = PIXEL_FORMAT_RGB15;
break;
default:
break;
}
}
return DstFormat;
}
static INLINE BOOL freerdp_bitmap_planar_compress_plane_rle(const BYTE* plane, UINT32 width,
UINT32 height, BYTE* outPlane,
UINT32* dstSize);
static INLINE BYTE* freerdp_bitmap_planar_delta_encode_plane(const BYTE* inPlane, UINT32 width,
UINT32 height, BYTE* outPlane);
static INLINE INT32 planar_skip_plane_rle(const BYTE* pSrcData, UINT32 SrcSize, UINT32 nWidth,
UINT32 nHeight)
{
UINT32 used = 0;
UINT32 x, y;
BYTE controlByte;
for (y = 0; y < nHeight; y++)
{
for (x = 0; x < nWidth;)
{
int cRawBytes;
int nRunLength;
if (used >= SrcSize)
return -1;
controlByte = pSrcData[used++];
nRunLength = PLANAR_CONTROL_BYTE_RUN_LENGTH(controlByte);
cRawBytes = PLANAR_CONTROL_BYTE_RAW_BYTES(controlByte);
if (nRunLength == 1)
{
nRunLength = cRawBytes + 16;
cRawBytes = 0;
}
else if (nRunLength == 2)
{
nRunLength = cRawBytes + 32;
cRawBytes = 0;
}
used += cRawBytes;
x += cRawBytes;
x += nRunLength;
if (x > nWidth)
return -1;
if (used > SrcSize)
return -1;
}
}
if (used > INT32_MAX)
return -1;
return (INT32)used;
}
static INLINE INT32 planar_decompress_plane_rle_only(const BYTE* pSrcData, UINT32 SrcSize,
BYTE* pDstData, UINT32 nWidth, UINT32 nHeight)
{
INT32 x, y;
UINT32 pixel;
UINT32 cRawBytes;
UINT32 nRunLength;
INT32 deltaValue;
BYTE controlByte;
BYTE* currentScanline;
BYTE* previousScanline;
const BYTE* srcp = pSrcData;
if ((nHeight > INT32_MAX) || (nWidth > INT32_MAX))
return -1;
previousScanline = NULL;
for (y = 0; y < (INT32)nHeight; y++)
{
BYTE* dstp = &pDstData[((y) * (INT32)nWidth)];
pixel = 0;
currentScanline = dstp;
for (x = 0; x < (INT32)nWidth;)
{
controlByte = *srcp;
srcp++;
if ((srcp - pSrcData) > SrcSize)
{
WLog_ERR(TAG, "error reading input buffer");
return -1;
}
nRunLength = PLANAR_CONTROL_BYTE_RUN_LENGTH(controlByte);
cRawBytes = PLANAR_CONTROL_BYTE_RAW_BYTES(controlByte);
if (nRunLength == 1)
{
nRunLength = cRawBytes + 16;
cRawBytes = 0;
}
else if (nRunLength == 2)
{
nRunLength = cRawBytes + 32;
cRawBytes = 0;
}
if (((dstp + (cRawBytes + nRunLength)) - currentScanline) > nWidth)
{
WLog_ERR(TAG, "too many pixels in scanline");
return -1;
}
if (!previousScanline)
{
/* first scanline, absolute values */
while (cRawBytes > 0)
{
pixel = *srcp;
srcp++;
*dstp = pixel;
dstp++;
x++;
cRawBytes--;
}
while (nRunLength > 0)
{
*dstp = pixel;
dstp++;
x++;
nRunLength--;
}
}
else
{
/* delta values relative to previous scanline */
while (cRawBytes > 0)
{
deltaValue = *srcp;
srcp++;
if (deltaValue & 1)
{
deltaValue = deltaValue >> 1;
deltaValue = deltaValue + 1;
pixel = -deltaValue;
}
else
{
deltaValue = deltaValue >> 1;
pixel = deltaValue;
}
deltaValue = previousScanline[x] + pixel;
*dstp = deltaValue;
dstp++;
x++;
cRawBytes--;
}
while (nRunLength > 0)
{
deltaValue = previousScanline[x] + pixel;
*dstp = deltaValue;
dstp++;
x++;
nRunLength--;
}
}
}
previousScanline = currentScanline;
}
return (INT32)(srcp - pSrcData);
}
static INLINE INT32 planar_decompress_plane_rle(const BYTE* pSrcData, UINT32 SrcSize,
BYTE* pDstData, INT32 nDstStep, UINT32 nXDst,
UINT32 nYDst, UINT32 nWidth, UINT32 nHeight,
UINT32 nChannel, BOOL vFlip)
{
INT32 x, y;
UINT32 pixel;
UINT32 cRawBytes;
UINT32 nRunLength;
INT32 deltaValue;
INT32 beg, end, inc;
BYTE controlByte;
BYTE* currentScanline;
BYTE* previousScanline;
const BYTE* srcp = pSrcData;
if ((nHeight > INT32_MAX) || (nWidth > INT32_MAX) || (nDstStep > INT32_MAX))
return -1;
previousScanline = NULL;
if (vFlip)
{
beg = (INT32)nHeight - 1;
end = -1;
inc = -1;
}
else
{
beg = 0;
end = (INT32)nHeight;
inc = 1;
}
for (y = beg; y != end; y += inc)
{
BYTE* dstp = &pDstData[((nYDst + y) * (INT32)nDstStep) + (nXDst * 4) + nChannel];
pixel = 0;
currentScanline = dstp;
for (x = 0; x < (INT32)nWidth;)
{
controlByte = *srcp;
srcp++;
if ((srcp - pSrcData) > SrcSize)
{
WLog_ERR(TAG, "error reading input buffer");
return -1;
}
nRunLength = PLANAR_CONTROL_BYTE_RUN_LENGTH(controlByte);
cRawBytes = PLANAR_CONTROL_BYTE_RAW_BYTES(controlByte);
if (nRunLength == 1)
{
nRunLength = cRawBytes + 16;
cRawBytes = 0;
}
else if (nRunLength == 2)
{
nRunLength = cRawBytes + 32;
cRawBytes = 0;
}
if (((dstp + (cRawBytes + nRunLength)) - currentScanline) > nWidth * 4)
{
WLog_ERR(TAG, "too many pixels in scanline");
return -1;
}
if (!previousScanline)
{
/* first scanline, absolute values */
while (cRawBytes > 0)
{
pixel = *srcp;
srcp++;
*dstp = pixel;
dstp += 4;
x++;
cRawBytes--;
}
while (nRunLength > 0)
{
*dstp = pixel;
dstp += 4;
x++;
nRunLength--;
}
}
else
{
/* delta values relative to previous scanline */
while (cRawBytes > 0)
{
deltaValue = *srcp;
srcp++;
if (deltaValue & 1)
{
deltaValue = deltaValue >> 1;
deltaValue = deltaValue + 1;
pixel = -deltaValue;
}
else
{
deltaValue = deltaValue >> 1;
pixel = deltaValue;
}
deltaValue = previousScanline[x * 4] + pixel;
*dstp = deltaValue;
dstp += 4;
x++;
cRawBytes--;
}
while (nRunLength > 0)
{
deltaValue = previousScanline[x * 4] + pixel;
*dstp = deltaValue;
dstp += 4;
x++;
nRunLength--;
}
}
}
previousScanline = currentScanline;
}
return (INT32)(srcp - pSrcData);
}
static INLINE INT32 planar_set_plane(BYTE bValue, BYTE* pDstData, INT32 nDstStep, UINT32 nXDst,
UINT32 nYDst, UINT32 nWidth, UINT32 nHeight, UINT32 nChannel,
BOOL vFlip)
{
INT32 x, y;
INT32 beg, end, inc;
if ((nHeight > INT32_MAX) || (nWidth > INT32_MAX) || (nDstStep > INT32_MAX))
return -1;
if (vFlip)
{
beg = (INT32)nHeight - 1;
end = -1;
inc = -1;
}
else
{
beg = 0;
end = (INT32)nHeight;
inc = 1;
}
for (y = beg; y != end; y += inc)
{
BYTE* dstp = &pDstData[((nYDst + y) * (INT32)nDstStep) + (nXDst * 4) + nChannel];
for (x = 0; x < (INT32)nWidth; ++x)
{
*dstp = bValue;
dstp += 4;
}
}
return 0;
}
static INLINE BOOL writeLine(BYTE** ppRgba, UINT32 DstFormat, UINT32 width, const BYTE** ppR,
const BYTE** ppG, const BYTE** ppB, const BYTE** ppA)
{
UINT32 x;
if (!ppRgba || !ppR || !ppG || !ppB)
return FALSE;
switch (DstFormat)
{
case PIXEL_FORMAT_BGRA32:
for (x = 0; x < width; x++)
{
*(*ppRgba)++ = *(*ppB)++;
*(*ppRgba)++ = *(*ppG)++;
*(*ppRgba)++ = *(*ppR)++;
*(*ppRgba)++ = *(*ppA)++;
}
return TRUE;
case PIXEL_FORMAT_BGRX32:
for (x = 0; x < width; x++)
{
*(*ppRgba)++ = *(*ppB)++;
*(*ppRgba)++ = *(*ppG)++;
*(*ppRgba)++ = *(*ppR)++;
*(*ppRgba)++ = 0xFF;
}
return TRUE;
default:
if (ppA)
{
for (x = 0; x < width; x++)
{
BYTE alpha = *(*ppA)++;
UINT32 color =
FreeRDPGetColor(DstFormat, *(*ppR)++, *(*ppG)++, *(*ppB)++, alpha);
WriteColor(*ppRgba, DstFormat, color);
*ppRgba += GetBytesPerPixel(DstFormat);
}
}
else
{
const BYTE alpha = 0xFF;
for (x = 0; x < width; x++)
{
UINT32 color =
FreeRDPGetColor(DstFormat, *(*ppR)++, *(*ppG)++, *(*ppB)++, alpha);
WriteColor(*ppRgba, DstFormat, color);
*ppRgba += GetBytesPerPixel(DstFormat);
}
}
return TRUE;
}
}
static INLINE BOOL planar_decompress_planes_raw(const BYTE* pSrcData[4], BYTE* pDstData,
UINT32 DstFormat, UINT32 nDstStep, UINT32 nXDst,
UINT32 nYDst, UINT32 nWidth, UINT32 nHeight,
BOOL vFlip, UINT32 totalHeight)
{
INT32 y;
INT32 beg, end, inc;
const BYTE* pR = pSrcData[0];
const BYTE* pG = pSrcData[1];
const BYTE* pB = pSrcData[2];
const BYTE* pA = pSrcData[3];
const UINT32 bpp = GetBytesPerPixel(DstFormat);
if (vFlip)
{
beg = nHeight - 1;
end = -1;
inc = -1;
}
else
{
beg = 0;
end = nHeight;
inc = 1;
}
if (nYDst + nHeight > totalHeight)
return FALSE;
if ((nXDst + nWidth) * bpp > nDstStep)
return FALSE;
for (y = beg; y != end; y += inc)
{
BYTE* pRGB;
if (y > (INT64)nHeight)
return FALSE;
pRGB = &pDstData[((nYDst + y) * nDstStep) + (nXDst * bpp)];
if (!writeLine(&pRGB, DstFormat, nWidth, &pR, &pG, &pB, &pA))
return FALSE;
}
return TRUE;
}
static BOOL planar_subsample_expand(const BYTE* plane, size_t planeLength, UINT32 nWidth,
UINT32 nHeight, UINT32 nPlaneWidth, UINT32 nPlaneHeight,
BYTE* deltaPlane)
{
size_t pos = 0;
UINT32 y;
WINPR_UNUSED(planeLength);
if (!plane || !deltaPlane)
return FALSE;
if (nWidth > nPlaneWidth * 2)
return FALSE;
if (nHeight > nPlaneHeight * 2)
return FALSE;
for (y = 0; y < nHeight; y++)
{
const BYTE* src = plane + y / 2 * nPlaneWidth;
UINT32 x;
for (x = 0; x < nWidth; x++)
{
deltaPlane[pos++] = src[x / 2];
}
}
return TRUE;
}
BOOL planar_decompress(BITMAP_PLANAR_CONTEXT* planar, const BYTE* pSrcData, UINT32 SrcSize,
UINT32 nSrcWidth, UINT32 nSrcHeight, BYTE* pDstData, UINT32 DstFormat,
UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst, UINT32 nDstWidth,
UINT32 nDstHeight, BOOL vFlip)
{
BOOL cs;
BOOL rle;
UINT32 cll;
BOOL alpha;
BOOL useAlpha = FALSE;
INT32 status;
const BYTE* srcp;
UINT32 subSize;
UINT32 subWidth;
UINT32 subHeight;
UINT32 planeSize;
INT32 rleSizes[4] = { 0, 0, 0, 0 };
UINT32 rawSizes[4];
UINT32 rawWidths[4];
UINT32 rawHeights[4];
BYTE FormatHeader;
const BYTE* planes[4] = { 0 };
const UINT32 w = MIN(nSrcWidth, nDstWidth);
const UINT32 h = MIN(nSrcHeight, nDstHeight);
const primitives_t* prims = primitives_get();
if (nDstStep <= 0)
nDstStep = nDstWidth * GetBytesPerPixel(DstFormat);
srcp = pSrcData;
if (!pDstData)
{
WLog_ERR(TAG, "Invalid argument pDstData=NULL");
return FALSE;
}
FormatHeader = *srcp++;
cll = (FormatHeader & PLANAR_FORMAT_HEADER_CLL_MASK);
cs = (FormatHeader & PLANAR_FORMAT_HEADER_CS) ? TRUE : FALSE;
rle = (FormatHeader & PLANAR_FORMAT_HEADER_RLE) ? TRUE : FALSE;
alpha = (FormatHeader & PLANAR_FORMAT_HEADER_NA) ? FALSE : TRUE;
DstFormat = planar_invert_format(planar, alpha, DstFormat);
if (alpha)
useAlpha = ColorHasAlpha(DstFormat);
// WLog_INFO(TAG, "CLL: %"PRIu32" CS: %"PRIu8" RLE: %"PRIu8" ALPHA: %"PRIu8"", cll, cs, rle,
// alpha);
if (!cll && cs)
{
WLog_ERR(TAG, "Chroma subsampling requires YCoCg and does not work with RGB data");
return FALSE; /* Chroma subsampling requires YCoCg */
}
subWidth = (nSrcWidth / 2) + (nSrcWidth % 2);
subHeight = (nSrcHeight / 2) + (nSrcHeight % 2);
planeSize = nSrcWidth * nSrcHeight;
subSize = subWidth * subHeight;
if (!cs)
{
rawSizes[0] = planeSize; /* LumaOrRedPlane */
rawWidths[0] = nSrcWidth;
rawHeights[0] = nSrcHeight;
rawSizes[1] = planeSize; /* OrangeChromaOrGreenPlane */
rawWidths[1] = nSrcWidth;
rawHeights[1] = nSrcHeight;
rawSizes[2] = planeSize; /* GreenChromaOrBluePlane */
rawWidths[2] = nSrcWidth;
rawHeights[2] = nSrcHeight;
rawSizes[3] = planeSize; /* AlphaPlane */
rawWidths[3] = nSrcWidth;
rawHeights[3] = nSrcHeight;
}
else /* Chroma Subsampling */
{
rawSizes[0] = planeSize; /* LumaOrRedPlane */
rawWidths[0] = nSrcWidth;
rawHeights[0] = nSrcHeight;
rawSizes[1] = subSize; /* OrangeChromaOrGreenPlane */
rawWidths[1] = subWidth;
rawHeights[1] = subHeight;
rawSizes[2] = subSize; /* GreenChromaOrBluePlane */
rawWidths[2] = subWidth;
rawHeights[2] = subHeight;
rawSizes[3] = planeSize; /* AlphaPlane */
rawWidths[3] = nSrcWidth;
rawHeights[3] = nSrcHeight;
}
if (!rle) /* RAW */
{
UINT32 base = planeSize * 3;
if (cs)
base = planeSize + planeSize / 2;
if (alpha)
{
if ((SrcSize - (srcp - pSrcData)) < (planeSize + base))
return FALSE;
planes[3] = srcp; /* AlphaPlane */
planes[0] = planes[3] + rawSizes[3]; /* LumaOrRedPlane */
planes[1] = planes[0] + rawSizes[0]; /* OrangeChromaOrGreenPlane */
planes[2] = planes[1] + rawSizes[1]; /* GreenChromaOrBluePlane */
if ((planes[2] + rawSizes[2]) > &pSrcData[SrcSize])
return FALSE;
}
else
{
if ((SrcSize - (srcp - pSrcData)) < base)
return FALSE;
planes[0] = srcp; /* LumaOrRedPlane */
planes[1] = planes[0] + rawSizes[0]; /* OrangeChromaOrGreenPlane */
planes[2] = planes[1] + rawSizes[1]; /* GreenChromaOrBluePlane */
if ((planes[2] + rawSizes[2]) > &pSrcData[SrcSize])
return FALSE;
}
}
else /* RLE */
{
if (alpha)
{
planes[3] = srcp;
rleSizes[3] = planar_skip_plane_rle(planes[3], SrcSize - (planes[3] - pSrcData),
rawWidths[3], rawHeights[3]); /* AlphaPlane */
if (rleSizes[3] < 0)
return FALSE;
planes[0] = planes[3] + rleSizes[3];
}
else
planes[0] = srcp;
rleSizes[0] = planar_skip_plane_rle(planes[0], SrcSize - (planes[0] - pSrcData),
rawWidths[0], rawHeights[0]); /* RedPlane */
if (rleSizes[0] < 0)
return FALSE;
planes[1] = planes[0] + rleSizes[0];
rleSizes[1] = planar_skip_plane_rle(planes[1], SrcSize - (planes[1] - pSrcData),
rawWidths[1], rawHeights[1]); /* GreenPlane */
if (rleSizes[1] < 1)
return FALSE;
planes[2] = planes[1] + rleSizes[1];
rleSizes[2] = planar_skip_plane_rle(planes[2], SrcSize - (planes[2] - pSrcData),
rawWidths[2], rawHeights[2]); /* BluePlane */
if (rleSizes[2] < 1)
return FALSE;
}
if (!cll) /* RGB */
{
UINT32 TempFormat;
BYTE* pTempData = pDstData;
UINT32 nTempStep = nDstStep;
UINT32 nTotalHeight = nYDst + nDstHeight;
if (useAlpha)
TempFormat = PIXEL_FORMAT_BGRA32;
else
TempFormat = PIXEL_FORMAT_BGRX32;
if ((TempFormat != DstFormat) || (nSrcWidth != nDstWidth) || (nSrcHeight != nDstHeight))
{
pTempData = planar->pTempData;
nTempStep = planar->nTempStep;
nTotalHeight = planar->maxHeight;
}
if (!rle) /* RAW */
{
if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep, nXDst,
nYDst, nSrcWidth, nSrcHeight, vFlip, nTotalHeight))
return FALSE;
if (alpha)
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2] + rawSizes[3];
else /* NoAlpha */
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2];
if ((SrcSize - (srcp - pSrcData)) == 1)
srcp++; /* pad */
}
else /* RLE */
{
status =
planar_decompress_plane_rle(planes[0], rleSizes[0], pTempData, nTempStep, nXDst,
nYDst, nSrcWidth, nSrcHeight, 2, vFlip); /* RedPlane */
if (status < 0)
return FALSE;
status = planar_decompress_plane_rle(planes[1], rleSizes[1], pTempData, nTempStep,
nXDst, nYDst, nSrcWidth, nSrcHeight, 1,
vFlip); /* GreenPlane */
if (status < 0)
return FALSE;
status =
planar_decompress_plane_rle(planes[2], rleSizes[2], pTempData, nTempStep, nXDst,
nYDst, nSrcWidth, nSrcHeight, 0, vFlip); /* BluePlane */
if (status < 0)
return FALSE;
srcp += rleSizes[0] + rleSizes[1] + rleSizes[2];
if (useAlpha)
{
status = planar_decompress_plane_rle(planes[3], rleSizes[3], pTempData, nTempStep,
nXDst, nYDst, nSrcWidth, nSrcHeight, 3,
vFlip); /* AlphaPlane */
}
else
status = planar_set_plane(0xFF, pTempData, nTempStep, nXDst, nYDst, nSrcWidth,
nSrcHeight, 3, vFlip);
if (status < 0)
return FALSE;
if (alpha)
srcp += rleSizes[3];
}
if (pTempData != pDstData)
{
if (!freerdp_image_copy(pDstData, DstFormat, nDstStep, nXDst, nYDst, w, h, pTempData,
TempFormat, nTempStep, nXDst, nYDst, NULL, FREERDP_FLIP_NONE))
return FALSE;
}
}
else /* YCoCg */
{
UINT32 TempFormat;
BYTE* pTempData = planar->pTempData;
UINT32 nTempStep = planar->nTempStep;
UINT32 nTotalHeight = planar->maxHeight;
BYTE* dst = &pDstData[nXDst * GetBytesPerPixel(DstFormat) + nYDst * nDstStep];
if (useAlpha)
TempFormat = PIXEL_FORMAT_BGRA32;
else
TempFormat = PIXEL_FORMAT_BGRX32;
if (!pTempData)
return FALSE;
if (rle) /* RLE encoded data. Decode and handle it like raw data. */
{
BYTE* rleBuffer[4] = { 0 };
rleBuffer[3] = planar->rlePlanesBuffer; /* AlphaPlane */
rleBuffer[0] = rleBuffer[3] + planeSize; /* LumaOrRedPlane */
rleBuffer[1] = rleBuffer[0] + planeSize; /* OrangeChromaOrGreenPlane */
rleBuffer[2] = rleBuffer[1] + planeSize; /* GreenChromaOrBluePlane */
if (useAlpha)
{
status =
planar_decompress_plane_rle_only(planes[3], rleSizes[3], rleBuffer[3],
rawWidths[3], rawHeights[3]); /* AlphaPlane */
if (status < 0)
return FALSE;
}
if (alpha)
srcp += rleSizes[3];
status = planar_decompress_plane_rle_only(planes[0], rleSizes[0], rleBuffer[0],
rawWidths[0], rawHeights[0]); /* LumaPlane */
if (status < 0)
return FALSE;
status =
planar_decompress_plane_rle_only(planes[1], rleSizes[1], rleBuffer[1], rawWidths[1],
rawHeights[1]); /* OrangeChromaPlane */
if (status < 0)
return FALSE;
status =
planar_decompress_plane_rle_only(planes[2], rleSizes[2], rleBuffer[2], rawWidths[2],
rawHeights[2]); /* GreenChromaPlane */
if (status < 0)
return FALSE;
planes[0] = rleBuffer[0];
planes[1] = rleBuffer[1];
planes[2] = rleBuffer[2];
planes[3] = rleBuffer[3];
}
/* RAW */
{
if (cs)
{ /* Chroma subsampling for Co and Cg:
* Each pixel contains the value that should be expanded to
* [2x,2y;2x+1,2y;2x+1,2y+1;2x;2y+1] */
if (!planar_subsample_expand(planes[1], rawSizes[1], nSrcWidth, nSrcHeight,
rawWidths[1], rawHeights[1], planar->deltaPlanes[0]))
return FALSE;
planes[1] = planar->deltaPlanes[0];
rawSizes[1] = planeSize; /* OrangeChromaOrGreenPlane */
rawWidths[1] = nSrcWidth;
rawHeights[1] = nSrcHeight;
if (!planar_subsample_expand(planes[2], rawSizes[2], nSrcWidth, nSrcHeight,
rawWidths[2], rawHeights[2], planar->deltaPlanes[1]))
return FALSE;
planes[2] = planar->deltaPlanes[1];
rawSizes[2] = planeSize; /* GreenChromaOrBluePlane */
rawWidths[2] = nSrcWidth;
rawHeights[2] = nSrcHeight;
}
if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep, nXDst,
nYDst, nSrcWidth, nSrcHeight, vFlip, nTotalHeight))
return FALSE;
if (alpha)
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2] + rawSizes[3];
else /* NoAlpha */
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2];
if ((SrcSize - (srcp - pSrcData)) == 1)
srcp++; /* pad */
}
if (prims->YCoCgToRGB_8u_AC4R(pTempData, nTempStep, dst, DstFormat, nDstStep, w, h, cll,
useAlpha) != PRIMITIVES_SUCCESS)
return FALSE;
}
return TRUE;
}
static INLINE BOOL freerdp_split_color_planes(BITMAP_PLANAR_CONTEXT* planar, const BYTE* data,
UINT32 format, UINT32 width, UINT32 height,
UINT32 scanline, BYTE* planes[4])
{
WINPR_ASSERT(planar);
if ((width > INT32_MAX) || (height > INT32_MAX) || (scanline > INT32_MAX))
return FALSE;
if (scanline == 0)
scanline = width * GetBytesPerPixel(format);
if (planar->topdown)
{
UINT32 i, j, k = 0;
for (i = 0; i < height; i++)
{
const BYTE* pixel = &data[scanline * (UINT32)i];
for (j = 0; j < width; j++)
{
const UINT32 color = ReadColor(pixel, format);
pixel += GetBytesPerPixel(format);
SplitColor(color, format, &planes[1][k], &planes[2][k], &planes[3][k],
&planes[0][k], NULL);
k++;
}
}
}
else
{
INT64 i;
UINT32 j, k = 0;
for (i = (INT64)height - 1; i >= 0; i--)
{
const BYTE* pixel = &data[scanline * (UINT32)i];
for (j = 0; j < width; j++)
{
const UINT32 color = ReadColor(pixel, format);
pixel += GetBytesPerPixel(format);
SplitColor(color, format, &planes[1][k], &planes[2][k], &planes[3][k],
&planes[0][k], NULL);
k++;
}
}
}
return TRUE;
}
static INLINE UINT32 freerdp_bitmap_planar_write_rle_bytes(const BYTE* pInBuffer, UINT32 cRawBytes,
UINT32 nRunLength, BYTE* pOutBuffer,
UINT32 outBufferSize)
{
const BYTE* pInput;
BYTE* pOutput;