/** * FreeRDP: A Remote Desktop Protocol Implementation * RDP6 Planar Codec * * Copyright 2013 Marc-Andre Moreau * Copyright 2016 Armin Novak * 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 #include #include #include #include #include #define TAG FREERDP_TAG("codec") #define 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; 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, pDstData, DstFormat, nDstStep, w, h, cll, useAlpha) != PRIMITIVES_SUCCESS) return FALSE; } return TRUE; } static INLINE BOOL freerdp_split_color_planes(const BYTE* data, UINT32 format, UINT32 width, UINT32 height, UINT32 scanline, BYTE* planes[4]) { INT32 i, j, k; if ((width > INT32_MAX) || (height > INT32_MAX) || (scanline > INT32_MAX)) return FALSE; k = 0; if (scanline == 0) scanline = width * GetBytesPerPixel(format); for (i = (INT32)height - 1; i >= 0; i--) { const BYTE* pixel = &data[(INT32)scanline * i]; for (j = 0; j < (INT32)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; BYTE controlByte; UINT32 nBytesToWrite; pInput = pInBuffer; pOutput = pOutBuffer; if (!cRawBytes && !nRunLength) return 0; if (nRunLength < 3) { cRawBytes += nRunLength; nRunLength = 0; } while (cRawBytes) { if (cRawBytes < 16) { if (nRunLength > 15) { if (nRunLength < 18) { controlByte = PLANAR_CONTROL_BYTE(13, cRawBytes); nRunLength -= 13; cRawBytes = 0; } else { controlByte = PLANAR_CONTROL_BYTE(15, cRawBytes); nRunLength -= 15; cRawBytes = 0; } } else { controlByte = PLANAR_CONTROL_BYTE(nRunLength, cRawBytes); nRunLength = 0; cRawBytes = 0; } } else { controlByte = PLANAR_CONTROL_BYTE(0, 15); cRawBytes -= 15; } if (outBufferSize < 1) return 0; outBufferSize--; *pOutput = controlByte; pOutput++; nBytesToWrite = (int)(controlByte >> 4); if (nBytesToWrite) { if (outBufferSize < nBytesToWrite) return 0; outBufferSize -= nBytesToWrite; CopyMemory(pOutput, pInput, nBytesToWrite); pOutput += nBytesToWrite; pInput += nBytesToWrite; } } while (nRunLength) { if (nRunLength > 47) { if (nRunLength < 50) { controlByte = PLANAR_CONTROL_BYTE(2, 13); nRunLength -= 45; } else { controlByte = PLANAR_CONTROL_BYTE(2, 15); nRunLength -= 47; } } else if (nRunLength > 31) { controlByte = PLANAR_CONTROL_BYTE(2, (nRunLength - 32)); nRunLength = 0; } else if (nRunLength > 15) { controlByte = PLANAR_CONTROL_BYTE(1, (nRunLength - 16)); nRunLength = 0; } else { controlByte = PLANAR_CONTROL_BYTE(nRunLength, 0); nRunLength = 0; } if (outBufferSize < 1) return 0; --outBufferSize; *pOutput = controlByte; pOutput++; } return (pOutput - pOutBuffer); } static INLINE UINT32 freerdp_bitmap_planar_encode_rle_bytes(const BYTE* pInBuffer, UINT32 inBufferSize, BYTE* pOutBuffer, UINT32 outBufferSize) { BYTE symbol; const BYTE* pInput; BYTE* pOutput; const BYTE* pBytes; UINT32 cRawBytes; UINT32 nRunLength; UINT32 bSymbolMatch; UINT32 nBytesWritten; UINT32 nTotalBytesWritten; symbol = 0; cRawBytes = 0; nRunLength = 0; pInput = pInBuffer; pOutput = pOutBuffer; nTotalBytesWritten = 0; if (!outBufferSize) return 0; do { if (!inBufferSize) break; bSymbolMatch = (symbol == *pInput) ? TRUE : FALSE; symbol = *pInput; pInput++; inBufferSize--; if (nRunLength && !bSymbolMatch) { if (nRunLength < 3) { cRawBytes += nRunLength; nRunLength = 0; } else { pBytes = pInput - (cRawBytes + nRunLength + 1); nBytesWritten = freerdp_bitmap_planar_write_rle_bytes(pBytes, cRawBytes, nRunLength, pOutput, outBufferSize); nRunLength = 0; if (!nBytesWritten || (nBytesWritten > outBufferSize)) return nRunLength; nTotalBytesWritten += nBytesWritten; outBufferSize -= nBytesWritten; pOutput += nBytesWritten; cRawBytes = 0; } } nRunLength += bSymbolMatch; cRawBytes += (!bSymbolMatch) ? TRUE : FALSE; } while (outBufferSize); if (cRawBytes || nRunLength) { pBytes = pInput - (cRawBytes + nRunLength); nBytesWritten = freerdp_bitmap_planar_write_rle_bytes(pBytes, cRawBytes, nRunLength, pOutput, outBufferSize); if (!nBytesWritten) return 0; nTotalBytesWritten += nBytesWritten; } if (inBufferSize) return 0; return nTotalBytesWritten; } BOOL freerdp_bitmap_planar_compress_plane_rle(const BYTE* inPlane, UINT32 width, UINT32 height, BYTE* outPlane, UINT32* dstSize) { UINT32 index; const BYTE* pInput; BYTE* pOutput; UINT32 outBufferSize; UINT32 nBytesWritten; UINT32 nTotalBytesWritten; if (!outPlane) return FALSE; index = 0; pInput = inPlane; pOutput = outPlane; outBufferSize = *dstSize; nTotalBytesWritten = 0; while (outBufferSize) { nBytesWritten = freerdp_bitmap_planar_encode_rle_bytes(pInput, width, pOutput, outBufferSize); if ((!nBytesWritten) || (nBytesWritten > outBufferSize)) return FALSE; outBufferSize -= nBytesWritten; nTotalBytesWritten += nBytesWritten; pOutput += nBytesWritten; pInput += width; index++; if (index >= height) break; } *dstSize = nTotalBytesWritten; return TRUE; } static INLINE BOOL freerdp_bitmap_planar_compress_planes_rle(BYTE* inPlanes[4], UINT32 width, UINT32 height, BYTE* outPlanes, UINT32* dstSizes, BOOL skipAlpha) { UINT32 outPlanesSize = width * height * 4; /* AlphaPlane */ if (skipAlpha) { dstSizes[0] = 0; } else { dstSizes[0] = outPlanesSize; if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[0], width, height, outPlanes, &dstSizes[0])) return FALSE; outPlanes += dstSizes[0]; outPlanesSize -= dstSizes[0]; } /* LumaOrRedPlane */ dstSizes[1] = outPlanesSize; if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[1], width, height, outPlanes, &dstSizes[1])) return FALSE; outPlanes += dstSizes[1]; outPlanesSize -= dstSizes[1]; /* OrangeChromaOrGreenPlane */ dstSizes[2] = outPlanesSize; if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[2], width, height, outPlanes, &dstSizes[2])) return FALSE; outPlanes += dstSizes[2]; outPlanesSize -= dstSizes[2]; /* GreenChromeOrBluePlane */ dstSizes[3] = outPlanesSize; if (!freerdp_bitmap_planar_compress_plane_rle(inPlanes[3], width, height, outPlanes, &dstSizes[3])) return FALSE; return TRUE; } BYTE* freerdp_bitmap_planar_delta_encode_plane(const BYTE* inPlane, UINT32 width, UINT32 height, BYTE* outPlane) { char s2c; UINT32 y, x; BYTE* outPtr; const BYTE *srcPtr, *prevLinePtr; if (!outPlane) { if (width * height == 0) return NULL; if (!(outPlane = (BYTE*)calloc(height, width))) return NULL; } // first line is copied as is CopyMemory(outPlane, inPlane, width); outPtr = outPlane + width; srcPtr = inPlane + width; prevLinePtr = inPlane; for (y = 1; y < height; y++) { for (x = 0; x < width; x++, outPtr++, srcPtr++, prevLinePtr++) { INT32 delta = *srcPtr - *prevLinePtr; s2c = (delta >= 0) ? (char)delta : (char)(~((BYTE)(-delta)) + 1); s2c = (s2c >= 0) ? (char)((UINT32)s2c << 1) : (char)(((UINT32)(~((BYTE)s2c) + 1) << 1) - 1); *outPtr = (BYTE)s2c; } } return outPlane; } static INLINE BOOL freerdp_bitmap_planar_delta_encode_planes(BYTE* inPlanes[4], UINT32 width, UINT32 height, BYTE* outPlanes[4]) { UINT32 i; for (i = 0; i < 4; i++) { outPlanes[i] = freerdp_bitmap_planar_delta_encode_plane(inPlanes[i], width, height, outPlanes[i]); if (!outPlanes[i]) return FALSE; } return TRUE; } BYTE* freerdp_bitmap_compress_planar(BITMAP_PLANAR_CONTEXT* context, const BYTE* data, UINT32 format, UINT32 width, UINT32 height, UINT32 scanline, BYTE* dstData, UINT32* pDstSize) { UINT32 size; BYTE* dstp; UINT32 planeSize; UINT32 dstSizes[4] = { 0 }; BYTE FormatHeader = 0; if (!context || !context->rlePlanesBuffer) return NULL; if (context->AllowSkipAlpha) FormatHeader |= PLANAR_FORMAT_HEADER_NA; planeSize = width * height; if (!context->AllowSkipAlpha) format = planar_invert_format(context, TRUE, format); if (!freerdp_split_color_planes(data, format, width, height, scanline, context->planes)) return NULL; if (context->AllowRunLengthEncoding) { if (!freerdp_bitmap_planar_delta_encode_planes(context->planes, width, height, context->deltaPlanes)) return NULL; if (!freerdp_bitmap_planar_compress_planes_rle(context->deltaPlanes, width, height, context->rlePlanesBuffer, dstSizes, context->AllowSkipAlpha)) return NULL; { int offset = 0; FormatHeader |= PLANAR_FORMAT_HEADER_RLE; context->rlePlanes[0] = &context->rlePlanesBuffer[offset]; offset += dstSizes[0]; context->rlePlanes[1] = &context->rlePlanesBuffer[offset]; offset += dstSizes[1]; context->rlePlanes[2] = &context->rlePlanesBuffer[offset]; offset += dstSizes[2]; context->rlePlanes[3] = &context->rlePlanesBuffer[offset]; // WLog_DBG(TAG, "R: [%"PRIu32"/%"PRIu32"] G: [%"PRIu32"/%"PRIu32"] B: // [%"PRIu32"/%"PRIu32"]", dstSizes[1], planeSize, dstSizes[2], planeSize, // dstSizes[3], // planeSize); } } if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) { if (!context->AllowRunLengthEncoding) return NULL; if (context->rlePlanes[0] == NULL) return NULL; if (context->rlePlanes[1] == NULL) return NULL; if (context->rlePlanes[2] == NULL) return NULL; if (context->rlePlanes[3] == NULL) return NULL; } if (!dstData) { size = 1; if (!(FormatHeader & PLANAR_FORMAT_HEADER_NA)) { if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) size += dstSizes[0]; else size += planeSize; } if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) size += (dstSizes[1] + dstSizes[2] + dstSizes[3]); else size += (planeSize * 3); if (!(FormatHeader & PLANAR_FORMAT_HEADER_RLE)) size++; dstData = malloc(size); if (!dstData) return NULL; *pDstSize = size; } dstp = dstData; *dstp = FormatHeader; /* FormatHeader */ dstp++; /* AlphaPlane */ if (!(FormatHeader & PLANAR_FORMAT_HEADER_NA)) { if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) { CopyMemory(dstp, context->rlePlanes[0], dstSizes[0]); /* Alpha */ dstp += dstSizes[0]; } else { CopyMemory(dstp, context->planes[0], planeSize); /* Alpha */ dstp += planeSize; } } /* LumaOrRedPlane */ if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) { CopyMemory(dstp, context->rlePlanes[1], dstSizes[1]); /* Red */ dstp += dstSizes[1]; } else { CopyMemory(dstp, context->planes[1], planeSize); /* Red */ dstp += planeSize; } /* OrangeChromaOrGreenPlane */ if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) { CopyMemory(dstp, context->rlePlanes[2], dstSizes[2]); /* Green */ dstp += dstSizes[2]; } else { CopyMemory(dstp, context->planes[2], planeSize); /* Green */ dstp += planeSize; } /* GreenChromeOrBluePlane */ if (FormatHeader & PLANAR_FORMAT_HEADER_RLE) { CopyMemory(dstp, context->rlePlanes[3], dstSizes[3]); /* Blue */ dstp += dstSizes[3]; } else { CopyMemory(dstp, context->planes[3], planeSize); /* Blue */ dstp += planeSize; } /* Pad1 (1 byte) */ if (!(FormatHeader & PLANAR_FORMAT_HEADER_RLE)) { *dstp = 0; dstp++; } size = (dstp - dstData); *pDstSize = size; return dstData; } BOOL freerdp_bitmap_planar_context_reset(BITMAP_PLANAR_CONTEXT* context, UINT32 width, UINT32 height) { if (!context) return FALSE; context->bgr = FALSE; context->maxWidth = ALIGN(width, 4); context->maxHeight = ALIGN(height, 4); context->maxPlaneSize = context->maxWidth * context->maxHeight; context->nTempStep = context->maxWidth * 4; free(context->planesBuffer); free(context->pTempData); free(context->deltaPlanesBuffer); free(context->rlePlanesBuffer); context->planesBuffer = calloc(context->maxPlaneSize, 4); context->pTempData = calloc(context->maxPlaneSize, 6); context->deltaPlanesBuffer = calloc(context->maxPlaneSize, 4); context->rlePlanesBuffer = calloc(context->maxPlaneSize, 4); if (!context->planesBuffer || !context->pTempData || !context->deltaPlanesBuffer || !context->rlePlanesBuffer) return FALSE; context->planes[0] = &context->planesBuffer[context->maxPlaneSize * 0]; context->planes[1] = &context->planesBuffer[context->maxPlaneSize * 1]; context->planes[2] = &context->planesBuffer[context->maxPlaneSize * 2]; context->planes[3] = &context->planesBuffer[context->maxPlaneSize * 3]; context->deltaPlanes[0] = &context->deltaPlanesBuffer[context->maxPlaneSize * 0]; context->deltaPlanes[1] = &context->deltaPlanesBuffer[context->maxPlaneSize * 1]; context->deltaPlanes[2] = &context->deltaPlanesBuffer[context->maxPlaneSize * 2]; context->deltaPlanes[3] = &context->deltaPlanesBuffer[context->maxPlaneSize * 3]; return TRUE; } BITMAP_PLANAR_CONTEXT* freerdp_bitmap_planar_context_new(DWORD flags, UINT32 maxWidth, UINT32 maxHeight) { BITMAP_PLANAR_CONTEXT* context; context = (BITMAP_PLANAR_CONTEXT*)calloc(1, sizeof(BITMAP_PLANAR_CONTEXT)); if (!context) return NULL; if (flags & PLANAR_FORMAT_HEADER_NA) context->AllowSkipAlpha = TRUE; if (flags & PLANAR_FORMAT_HEADER_RLE) context->AllowRunLengthEncoding = TRUE; if (flags & PLANAR_FORMAT_HEADER_CS) context->AllowColorSubsampling = TRUE; context->ColorLossLevel = flags & PLANAR_FORMAT_HEADER_CLL_MASK; if (context->ColorLossLevel) context->AllowDynamicColorFidelity = TRUE; if (!freerdp_bitmap_planar_context_reset(context, maxWidth, maxHeight)) { freerdp_bitmap_planar_context_free(context); return NULL; } return context; } void freerdp_bitmap_planar_context_free(BITMAP_PLANAR_CONTEXT* context) { if (!context) return; free(context->pTempData); free(context->planesBuffer); free(context->deltaPlanesBuffer); free(context->rlePlanesBuffer); free(context); } void freerdp_planar_switch_bgr(BITMAP_PLANAR_CONTEXT* planar, BOOL bgr) { planar->bgr = bgr; }