79d0725a80
The patch changes API of functions instead of fixing unused and broken code. leaked_storage: Returning without freeing "outPlane" leaks the storage that it points to.
1351 lines
32 KiB
C
1351 lines
32 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RDP6 Planar Codec
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*
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* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2016 Armin Novak <armin.novak@thincast.com>
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* Copyright 2016 Thincast Technologies GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <winpr/print.h>
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#include <freerdp/primitives.h>
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#include <freerdp/log.h>
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#include <freerdp/codec/bitmap.h>
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#include <freerdp/codec/planar.h>
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#define TAG FREERDP_TAG("codec")
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static INLINE BOOL freerdp_bitmap_planar_compress_plane_rle(
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const BYTE* plane, UINT32 width, UINT32 height,
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BYTE* outPlane, UINT32* dstSize);
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static INLINE BYTE* freerdp_bitmap_planar_delta_encode_plane(
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const BYTE* inPlane, UINT32 width, UINT32 height, BYTE* outPlane);
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static INLINE INT32 planar_skip_plane_rle(const BYTE* pSrcData, UINT32 SrcSize,
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UINT32 nWidth, UINT32 nHeight)
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{
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UINT32 x, y;
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BYTE controlByte;
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const BYTE* pRLE = pSrcData;
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const BYTE* pEnd = &pSrcData[SrcSize];
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for (y = 0; y < nHeight; y++)
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{
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for (x = 0; x < nWidth;)
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{
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int cRawBytes;
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int nRunLength;
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if (pRLE >= pEnd)
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return -1;
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controlByte = *pRLE++;
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nRunLength = PLANAR_CONTROL_BYTE_RUN_LENGTH(controlByte);
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cRawBytes = PLANAR_CONTROL_BYTE_RAW_BYTES(controlByte);
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if (nRunLength == 1)
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{
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nRunLength = cRawBytes + 16;
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cRawBytes = 0;
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}
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else if (nRunLength == 2)
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{
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nRunLength = cRawBytes + 32;
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cRawBytes = 0;
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}
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pRLE += cRawBytes;
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x += cRawBytes;
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x += nRunLength;
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if (x > nWidth)
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return -1;
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if (pRLE > pEnd)
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return -1;
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}
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}
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return (INT32)(pRLE - pSrcData);
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}
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static INLINE INT32 planar_decompress_plane_rle(const BYTE* pSrcData, UINT32 SrcSize,
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BYTE* pDstData, INT32 nDstStep,
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UINT32 nXDst, UINT32 nYDst,
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UINT32 nWidth, UINT32 nHeight,
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UINT32 nChannel, BOOL vFlip)
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{
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UINT32 x, y;
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UINT32 pixel;
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UINT32 cRawBytes;
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UINT32 nRunLength;
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INT32 deltaValue;
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INT32 beg, end, inc;
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BYTE controlByte;
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BYTE* currentScanline;
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BYTE* previousScanline;
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const BYTE* srcp = pSrcData;
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previousScanline = NULL;
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if (vFlip)
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{
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beg = nHeight - 1;
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end = -1;
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inc = -1;
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}
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else
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{
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beg = 0;
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end = nHeight;
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inc = 1;
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}
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for (y = beg; y != end; y += inc)
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{
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BYTE* dstp = &pDstData[((nYDst + y) * nDstStep) + (nXDst * 4) + nChannel];
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pixel = 0;
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currentScanline = dstp;
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for (x = 0; x < nWidth;)
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{
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controlByte = *srcp;
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srcp++;
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if ((srcp - pSrcData) > SrcSize)
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{
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WLog_ERR(TAG, "error reading input buffer");
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return -1;
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}
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nRunLength = PLANAR_CONTROL_BYTE_RUN_LENGTH(controlByte);
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cRawBytes = PLANAR_CONTROL_BYTE_RAW_BYTES(controlByte);
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if (nRunLength == 1)
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{
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nRunLength = cRawBytes + 16;
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cRawBytes = 0;
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}
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else if (nRunLength == 2)
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{
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nRunLength = cRawBytes + 32;
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cRawBytes = 0;
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}
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if (((dstp + (cRawBytes + nRunLength)) - currentScanline) > nWidth * 4)
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{
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WLog_ERR(TAG, "too many pixels in scanline");
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return -1;
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}
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if (!previousScanline)
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{
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/* first scanline, absolute values */
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while (cRawBytes > 0)
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{
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pixel = *srcp;
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srcp++;
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*dstp = pixel;
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dstp += 4;
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x++;
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cRawBytes--;
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}
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while (nRunLength > 0)
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{
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*dstp = pixel;
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dstp += 4;
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x++;
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nRunLength--;
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}
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}
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else
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{
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/* delta values relative to previous scanline */
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while (cRawBytes > 0)
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{
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deltaValue = *srcp;
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srcp++;
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if (deltaValue & 1)
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{
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deltaValue = deltaValue >> 1;
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deltaValue = deltaValue + 1;
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pixel = -deltaValue;
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}
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else
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{
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deltaValue = deltaValue >> 1;
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pixel = deltaValue;
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}
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deltaValue = previousScanline[x * 4] + pixel;
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*dstp = deltaValue;
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dstp += 4;
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x++;
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cRawBytes--;
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}
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while (nRunLength > 0)
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{
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deltaValue = previousScanline[x * 4] + pixel;
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*dstp = deltaValue;
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dstp += 4;
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x++;
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nRunLength--;
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}
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}
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}
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previousScanline = currentScanline;
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}
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return (INT32)(srcp - pSrcData);
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}
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static INLINE BOOL writeLine(BYTE** ppRgba, UINT32 DstFormat, UINT32 width, const BYTE** ppR,
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const BYTE** ppG, const BYTE** ppB, const BYTE** ppA)
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{
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UINT32 x;
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if (!ppRgba || !ppR || !ppG || !ppB)
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return FALSE;
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switch (DstFormat)
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{
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case PIXEL_FORMAT_BGRA32:
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for (x = 0; x < width; x++)
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{
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*(*ppRgba)++ = *(*ppB)++;
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*(*ppRgba)++ = *(*ppG)++;
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*(*ppRgba)++ = *(*ppR)++;
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*(*ppRgba)++ = *(*ppA)++;
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}
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return TRUE;
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case PIXEL_FORMAT_BGRX32:
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for (x = 0; x < width; x++)
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{
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*(*ppRgba)++ = *(*ppB)++;
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*(*ppRgba)++ = *(*ppG)++;
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*(*ppRgba)++ = *(*ppR)++;
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*(*ppRgba)++ = 0xFF;
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}
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return TRUE;
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default:
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if (ppA)
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{
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for (x = 0; x < width; x++)
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{
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BYTE alpha = *(*ppA)++;
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UINT32 color = FreeRDPGetColor(DstFormat, *(*ppR)++, *(*ppG)++, *(*ppB)++, alpha);
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WriteColor(*ppRgba, DstFormat, color);
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*ppRgba += GetBytesPerPixel(DstFormat);
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}
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}
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else
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{
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const BYTE alpha = 0xFF;
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for (x = 0; x < width; x++)
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{
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UINT32 color = FreeRDPGetColor(DstFormat, *(*ppR)++, *(*ppG)++, *(*ppB)++, alpha);
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WriteColor(*ppRgba, DstFormat, color);
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*ppRgba += GetBytesPerPixel(DstFormat);
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}
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}
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return TRUE;
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}
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}
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static INLINE BOOL planar_decompress_planes_raw(const BYTE* pSrcData[4],
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BYTE* pDstData, UINT32 DstFormat,
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UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst, UINT32 nWidth, UINT32 nHeight,
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BOOL alpha, BOOL vFlip)
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{
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INT32 y;
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INT32 beg, end, inc;
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const BYTE* pR = pSrcData[0];
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const BYTE* pG = pSrcData[1];
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const BYTE* pB = pSrcData[2];
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const BYTE* pA = pSrcData[3];
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if (vFlip)
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{
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beg = nHeight - 1;
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end = -1;
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inc = -1;
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}
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else
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{
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beg = 0;
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end = nHeight;
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inc = 1;
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}
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if (alpha)
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{
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for (y = beg; y != end; y += inc)
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{
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BYTE* pRGB = &pDstData[((nYDst + y) * nDstStep) + (nXDst * GetBytesPerPixel(
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DstFormat))];
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if (!writeLine(&pRGB, DstFormat, nWidth, &pR, &pG, &pB, &pA))
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return FALSE;
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}
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}
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else
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{
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for (y = beg; y != end; y += inc)
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{
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BYTE* pRGB = &pDstData[((nYDst + y) * nDstStep) + (nXDst * GetBytesPerPixel(
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DstFormat))];
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if (!writeLine(&pRGB, DstFormat, nWidth, &pR, &pG, &pB, &pA))
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return FALSE;
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}
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}
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return TRUE;
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}
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BOOL planar_decompress(BITMAP_PLANAR_CONTEXT* planar,
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const BYTE* pSrcData, UINT32 SrcSize,
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UINT32 nSrcWidth, UINT32 nSrcHeight,
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BYTE* pDstData, UINT32 DstFormat,
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UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst,
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UINT32 nDstWidth, UINT32 nDstHeight, BOOL vFlip)
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{
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BOOL cs;
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BOOL rle;
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UINT32 cll;
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BOOL alpha;
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INT32 status;
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const BYTE* srcp;
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UINT32 subSize;
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UINT32 subWidth;
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UINT32 subHeight;
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UINT32 planeSize;
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INT32 rleSizes[4] = { 0, 0, 0, 0 };
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UINT32 rawSizes[4];
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UINT32 rawWidths[4];
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UINT32 rawHeights[4];
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BYTE FormatHeader;
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const BYTE* planes[4];
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const UINT32 w = MIN(nSrcWidth, nDstWidth);
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const UINT32 h = MIN(nSrcHeight, nDstHeight);
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const primitives_t* prims = primitives_get();
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if (nDstStep <= 0)
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nDstStep = nDstWidth * GetBytesPerPixel(DstFormat);
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srcp = pSrcData;
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if (!pDstData)
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{
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WLog_ERR(TAG, "Invalid argument pDstData=NULL");
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return FALSE;
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}
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FormatHeader = *srcp++;
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cll = (FormatHeader & PLANAR_FORMAT_HEADER_CLL_MASK);
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cs = (FormatHeader & PLANAR_FORMAT_HEADER_CS) ? TRUE : FALSE;
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rle = (FormatHeader & PLANAR_FORMAT_HEADER_RLE) ? TRUE : FALSE;
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alpha = (FormatHeader & PLANAR_FORMAT_HEADER_NA) ? FALSE : TRUE;
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//WLog_INFO(TAG, "CLL: %"PRIu32" CS: %"PRIu8" RLE: %"PRIu8" ALPHA: %"PRIu8"", cll, cs, rle, alpha);
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if (!cll && cs)
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return FALSE; /* Chroma subsampling requires YCoCg */
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subWidth = (nSrcWidth / 2) + (nSrcWidth % 2);
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subHeight = (nSrcHeight / 2) + (nSrcHeight % 2);
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planeSize = nSrcWidth * nSrcHeight;
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subSize = subWidth * subHeight;
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if (!cs)
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{
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rawSizes[0] = planeSize; /* LumaOrRedPlane */
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rawWidths[0] = nSrcWidth;
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rawHeights[0] = nSrcHeight;
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rawSizes[1] = planeSize; /* OrangeChromaOrGreenPlane */
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rawWidths[1] = nSrcWidth;
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rawHeights[1] = nSrcHeight;
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rawSizes[2] = planeSize; /* GreenChromaOrBluePlane */
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rawWidths[2] = nSrcWidth;
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rawHeights[2] = nSrcHeight;
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rawSizes[3] = planeSize; /* AlphaPlane */
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rawWidths[3] = nSrcWidth;
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rawHeights[3] = nSrcHeight;
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}
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else /* Chroma Subsampling */
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{
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rawSizes[0] = planeSize; /* LumaOrRedPlane */
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rawWidths[0] = nSrcWidth;
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rawHeights[0] = nSrcHeight;
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rawSizes[1] = subSize; /* OrangeChromaOrGreenPlane */
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rawWidths[1] = subWidth;
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rawHeights[1] = subHeight;
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rawSizes[2] = subSize; /* GreenChromaOrBluePlane */
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rawWidths[2] = subWidth;
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rawHeights[2] = subHeight;
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rawSizes[3] = planeSize; /* AlphaPlane */
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rawWidths[3] = nSrcWidth;
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rawHeights[3] = nSrcHeight;
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}
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if (!rle) /* RAW */
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{
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if (alpha)
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{
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planes[3] = srcp; /* AlphaPlane */
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planes[0] = planes[3] + rawSizes[3]; /* LumaOrRedPlane */
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planes[1] = planes[0] + rawSizes[0]; /* OrangeChromaOrGreenPlane */
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planes[2] = planes[1] + rawSizes[1]; /* GreenChromaOrBluePlane */
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if ((planes[2] + rawSizes[2]) > &pSrcData[SrcSize])
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return FALSE;
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}
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else
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{
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if ((SrcSize - (srcp - pSrcData)) < (planeSize * 3))
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return FALSE;
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planes[0] = srcp; /* LumaOrRedPlane */
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planes[1] = planes[0] + rawSizes[0]; /* OrangeChromaOrGreenPlane */
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planes[2] = planes[1] + rawSizes[1]; /* GreenChromaOrBluePlane */
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if ((planes[2] + rawSizes[2]) > &pSrcData[SrcSize])
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return FALSE;
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}
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}
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else /* RLE */
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{
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if (alpha)
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{
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planes[3] = srcp;
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rleSizes[3] = planar_skip_plane_rle(planes[3], SrcSize - (planes[3] - pSrcData),
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rawWidths[3], rawHeights[3]); /* AlphaPlane */
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if (rleSizes[3] < 0)
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return FALSE;
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planes[0] = planes[3] + rleSizes[3];
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rleSizes[0] = planar_skip_plane_rle(planes[0], SrcSize - (planes[0] - pSrcData),
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rawWidths[0], rawHeights[0]); /* RedPlane */
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if (rleSizes[0] < 0)
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return FALSE;
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planes[1] = planes[0] + rleSizes[0];
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rleSizes[1] = planar_skip_plane_rle(planes[1], SrcSize - (planes[1] - pSrcData),
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rawWidths[1], rawHeights[1]); /* GreenPlane */
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if (rleSizes[1] < 1)
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return FALSE;
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planes[2] = planes[1] + rleSizes[1];
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rleSizes[2] = planar_skip_plane_rle(planes[2], SrcSize - (planes[2] - pSrcData),
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rawWidths[2], rawHeights[2]); /* BluePlane */
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if (rleSizes[2] < 1)
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return FALSE;
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}
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else
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{
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planes[0] = srcp;
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rleSizes[0] = planar_skip_plane_rle(planes[0], SrcSize - (planes[0] - pSrcData),
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rawWidths[0], rawHeights[0]); /* RedPlane */
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if (rleSizes[0] < 0)
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return FALSE;
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planes[1] = planes[0] + rleSizes[0];
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rleSizes[1] = planar_skip_plane_rle(planes[1], SrcSize - (planes[1] - pSrcData),
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rawWidths[1], rawHeights[1]); /* GreenPlane */
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if (rleSizes[1] < 1)
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return FALSE;
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planes[2] = planes[1] + rleSizes[1];
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rleSizes[2] = planar_skip_plane_rle(planes[2], SrcSize - (planes[2] - pSrcData),
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rawWidths[2], rawHeights[2]); /* BluePlane */
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if (rleSizes[2] < 1)
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return FALSE;
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}
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}
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if (!cll) /* RGB */
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{
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UINT32 TempFormat;
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BYTE* pTempData = pDstData;
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UINT32 nTempStep = nDstStep;
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if (alpha)
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TempFormat = PIXEL_FORMAT_BGRA32;
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else
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TempFormat = PIXEL_FORMAT_BGRX32;
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if ((TempFormat != DstFormat) || (nSrcWidth != nDstWidth)
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|| (nSrcHeight != nDstHeight))
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{
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pTempData = planar->pTempData;
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nTempStep = planar->nTempStep;
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}
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if (!rle) /* RAW */
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{
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if (alpha)
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{
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if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep,
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nXDst, nYDst, nSrcWidth, nSrcHeight, alpha, vFlip))
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return FALSE;
|
|
|
|
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2] + rawSizes[3];
|
|
}
|
|
else /* NoAlpha */
|
|
{
|
|
if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep,
|
|
nXDst, nYDst, nSrcWidth, nSrcHeight, alpha, vFlip))
|
|
return FALSE;
|
|
|
|
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2];
|
|
}
|
|
|
|
if ((SrcSize - (srcp - pSrcData)) == 1)
|
|
srcp++; /* pad */
|
|
}
|
|
else /* RLE */
|
|
{
|
|
if (alpha)
|
|
{
|
|
status = planar_decompress_plane_rle(planes[3], rleSizes[3],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 3,
|
|
vFlip); /* AlphaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
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] + rleSizes[3];
|
|
}
|
|
else /* NoAlpha */
|
|
{
|
|
const UINT32 color = FreeRDPGetColor(TempFormat, 0, 0, 0, 0xFF);
|
|
|
|
if (!freerdp_image_fill(pTempData, TempFormat, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight,
|
|
color))
|
|
return FALSE;
|
|
|
|
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 (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;
|
|
|
|
if (alpha)
|
|
TempFormat = PIXEL_FORMAT_BGRA32;
|
|
else
|
|
TempFormat = PIXEL_FORMAT_BGRX32;
|
|
|
|
if (!pTempData)
|
|
return FALSE;
|
|
|
|
if (cs)
|
|
{
|
|
WLog_ERR(TAG, "Chroma subsampling unimplemented");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!rle) /* RAW */
|
|
{
|
|
if (alpha)
|
|
{
|
|
if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep,
|
|
nXDst, nYDst, nSrcWidth, nSrcHeight, alpha, vFlip))
|
|
return FALSE;
|
|
|
|
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2] + rawSizes[3];
|
|
}
|
|
else /* NoAlpha */
|
|
{
|
|
if (!planar_decompress_planes_raw(planes, pTempData, TempFormat, nTempStep,
|
|
nXDst, nYDst, nSrcWidth, nSrcHeight, alpha, vFlip))
|
|
return FALSE;
|
|
|
|
srcp += rawSizes[0] + rawSizes[1] + rawSizes[2];
|
|
}
|
|
|
|
if ((SrcSize - (srcp - pSrcData)) == 1)
|
|
srcp++; /* pad */
|
|
}
|
|
else /* RLE */
|
|
{
|
|
if (alpha)
|
|
{
|
|
status = planar_decompress_plane_rle(planes[3], rleSizes[3],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 3,
|
|
vFlip); /* AlphaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
status = planar_decompress_plane_rle(planes[0], rleSizes[0],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 2,
|
|
vFlip); /* LumaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
status = planar_decompress_plane_rle(planes[1], rleSizes[1],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 1,
|
|
vFlip); /* OrangeChromaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
status = planar_decompress_plane_rle(planes[2], rleSizes[2],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 0,
|
|
vFlip); /* GreenChromaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
srcp += rleSizes[0] + rleSizes[1] + rleSizes[2] + rleSizes[3];
|
|
}
|
|
else /* NoAlpha */
|
|
{
|
|
status = planar_decompress_plane_rle(planes[0], rleSizes[0],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 2,
|
|
vFlip); /* LumaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
status = planar_decompress_plane_rle(planes[1], rleSizes[1],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 1,
|
|
vFlip); /* OrangeChromaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
status = planar_decompress_plane_rle(planes[2], rleSizes[2],
|
|
pTempData, nTempStep, nXDst, nYDst, nSrcWidth, nSrcHeight, 0,
|
|
vFlip); /* GreenChromaPlane */
|
|
|
|
if (status < 0)
|
|
return FALSE;
|
|
|
|
srcp += rleSizes[0] + rleSizes[1] + rleSizes[2];
|
|
}
|
|
}
|
|
|
|
if (prims->YCoCgToRGB_8u_AC4R(pTempData, nTempStep, pDstData, DstFormat,
|
|
nDstStep,
|
|
w, h, cll, alpha) != PRIMITIVES_SUCCESS)
|
|
return FALSE;
|
|
}
|
|
|
|
return (SrcSize == (srcp - pSrcData)) ? TRUE : FALSE;
|
|
}
|
|
|
|
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;
|
|
k = 0;
|
|
|
|
if (scanline == 0)
|
|
scanline = width * GetBytesPerPixel(format);
|
|
|
|
for (i = height - 1; i >= 0; i--)
|
|
{
|
|
const BYTE* pixel = &data[scanline * 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;
|
|
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;
|
|
INT32 delta;
|
|
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++)
|
|
{
|
|
delta = *srcPtr - *prevLinePtr;
|
|
s2c = (delta >= 0) ? (char) delta : (char)(~((BYTE)(-delta)) + 1);
|
|
s2c = (s2c >= 0) ? (s2c << 1) : (char)(((~((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 (!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->maxWidth = width;
|
|
context->maxHeight = height;
|
|
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, 4);
|
|
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);
|
|
}
|