630 lines
15 KiB
C
630 lines
15 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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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 <freerdp/types.h>
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#include <freerdp/primitives.h>
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#include <freerdp/codec/color.h>
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static INLINE BYTE CLIP(INT32 X)
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{
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if (X > 255L)
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return 255L;
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if (X < 0L)
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return 0L;
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return X;
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}
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/**
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* @brief general_YUV420CombineToYUV444
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*
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* @param pMainSrc Pointer to luma YUV420 data
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* @param srcMainStep Step width in luma YUV420 data
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* @param pAuxSrc Pointer to chroma YUV420 data
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* @param srcAuxStep Step width in chroma YUV420 data
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* @param pDst Pointer to YUV444 data
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* @param dstStep Step width in YUV444 data
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* @param roi Region of source to combine in destination.
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*
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* @return PRIMITIVES_SUCCESS on success, an error code otherwise.
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*/
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static pstatus_t general_YUV420CombineToYUV444(
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const BYTE* pMainSrc[3], const UINT32 srcMainStep[3],
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const BYTE* pAuxSrc[3], const UINT32 srcAuxStep[3],
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BYTE* pDst[3], const UINT32 dstStep[3],
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const prim_size_t* roi)
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{
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const UINT32 mod = 16;
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UINT32 uY = 0;
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UINT32 vY = 0;
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UINT32 x, y;
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UINT32 nWidth, nHeight;
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UINT32 halfWidth, halfHeight;
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const UINT32 oddY = 1;
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const UINT32 evenY = 0;
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const UINT32 oddX = 1;
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const UINT32 evenX = 0;
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/* The auxilary frame is aligned to multiples of 16x16.
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* We need the padded height for B4 and B5 conversion. */
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const UINT32 padHeigth = roi->height + 16 - roi->height % 16;
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nWidth = roi->width;
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nHeight = roi->height;
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halfWidth = (nWidth) / 2;
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halfHeight = (nHeight) / 2;
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if (pMainSrc)
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{
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/* Y data is already here... */
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/* B1 */
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for (y = 0; y < nHeight; y++)
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{
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const BYTE* Ym = pMainSrc[0] + srcMainStep[0] * y;
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BYTE* pY = pDst[0] + dstStep[0] * y;
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memcpy(pY, Ym, nWidth);
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}
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/* The first half of U, V are already here part of this frame. */
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/* B2 and B3 */
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for (y = 0; y < halfHeight; y++)
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{
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const UINT32 val2y = (2 * y + evenY);
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const UINT32 val2y1 = val2y + oddY;
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const BYTE* Um = pMainSrc[1] + srcMainStep[1] * y;
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const BYTE* Vm = pMainSrc[2] + srcMainStep[2] * y;
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BYTE* pU = pDst[1] + dstStep[1] * val2y;
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BYTE* pV = pDst[2] + dstStep[2] * val2y;
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BYTE* pU1 = pDst[1] + dstStep[1] * val2y1;
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BYTE* pV1 = pDst[2] + dstStep[2] * val2y1;
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for (x = 0; x < halfWidth; x++)
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{
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const UINT32 val2x = 2 * x + evenX;
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const UINT32 val2x1 = val2x + oddX;
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pU[val2x] = Um[x];
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pV[val2x] = Vm[x];
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pU[val2x1] = Um[x];
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pV[val2x1] = Vm[x];
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pU1[val2x] = Um[x];
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pV1[val2x] = Vm[x];
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pU1[val2x1] = Um[x];
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pV1[val2x1] = Vm[x];
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}
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}
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}
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if (!pAuxSrc)
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return PRIMITIVES_SUCCESS;
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/* The second half of U and V is a bit more tricky... */
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/* B4 and B5 */
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for (y = 0; y < padHeigth; y++)
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{
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const BYTE* Ya = pAuxSrc[0] + srcAuxStep[0] * y;
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BYTE* pX;
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if ((y) % mod < (mod + 1) / 2)
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{
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const UINT32 pos = (2 * uY++ + oddY);
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if (pos >= nHeight)
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continue;
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pX = pDst[1] + dstStep[1] * pos;
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}
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else
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{
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const UINT32 pos = (2 * vY++ + oddY);
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if (pos >= nHeight)
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continue;
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pX = pDst[2] + dstStep[2] * pos;
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}
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memcpy(pX, Ya, nWidth);
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}
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/* B6 and B7 */
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for (y = 0; y < halfHeight; y++)
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{
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const UINT32 val2y = (y * 2 + evenY);
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const BYTE* Ua = pAuxSrc[1] + srcAuxStep[1] * y;
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const BYTE* Va = pAuxSrc[2] + srcAuxStep[2] * y;
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BYTE* pU = pDst[1] + dstStep[1] * val2y;
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BYTE* pV = pDst[2] + dstStep[2] * val2y;
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for (x = 0; x < halfWidth; x++)
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{
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const UINT32 val2x1 = (x * 2 + oddX);
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pU[val2x1] = Ua[x];
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pV[val2x1] = Va[x];
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}
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}
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/* Filter */
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for (y = 0; y < halfHeight; y++)
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{
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const UINT32 val2y = (y * 2 + evenY);
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const UINT32 val2y1 = val2y + oddY;
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BYTE* pU1 = pDst[1] + dstStep[1] * val2y1;
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BYTE* pV1 = pDst[2] + dstStep[2] * val2y1;
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BYTE* pU = pDst[1] + dstStep[1] * val2y;
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BYTE* pV = pDst[2] + dstStep[2] * val2y;
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if (val2y1 > nHeight)
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continue;
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for (x = 0; x < halfWidth; x++)
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{
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const UINT32 val2x = (x * 2);
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const UINT32 val2x1 = val2x + 1;
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const INT32 up = pU[val2x] * 4;
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const INT32 vp = pV[val2x] * 4;
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INT32 u2020;
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INT32 v2020;
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if (val2x1 > nWidth)
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continue;
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u2020 = up - pU[val2x1] - pU1[val2x] - pU1[val2x1];
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v2020 = vp - pV[val2x1] - pV1[val2x] - pV1[val2x1];
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pU[val2x] = CLIP(u2020);
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pV[val2x] = CLIP(v2020);
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}
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}
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return PRIMITIVES_SUCCESS;
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}
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static pstatus_t general_YUV444SplitToYUV420(
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const BYTE* pSrc[3], const UINT32 srcStep[3],
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BYTE* pMainDst[3], const UINT32 dstMainStep[3],
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BYTE* pAuxDst[3], const UINT32 dstAuxStep[3],
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const prim_size_t* roi)
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{
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UINT32 x, y, uY = 0, vY = 0;
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UINT32 halfWidth, halfHeight;
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/* The auxilary frame is aligned to multiples of 16x16.
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* We need the padded height for B4 and B5 conversion. */
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const UINT32 padHeigth = roi->height + 16 - roi->height % 16;
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halfWidth = (roi->width + 1) / 2;
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halfHeight = (roi->height + 1) / 2;
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/* B1 */
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for (y = 0; y < roi->height; y++)
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{
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const BYTE* pSrcY = pSrc[0] + y * srcStep[0];
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BYTE* pY = pMainDst[0] + y * dstMainStep[0];
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memcpy(pY, pSrcY, roi->width);
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}
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/* B2 and B3 */
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for (y = 0; y < halfHeight; y++)
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{
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const BYTE* pSrcU = pSrc[1] + 2 * y * srcStep[1];
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const BYTE* pSrcV = pSrc[2] + 2 * y * srcStep[2];
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const BYTE* pSrcU1 = pSrc[1] + (2 * y + 1) * srcStep[1];
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const BYTE* pSrcV1 = pSrc[2] + (2 * y + 1) * srcStep[2];
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BYTE* pU = pMainDst[1] + y * dstMainStep[1];
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BYTE* pV = pMainDst[2] + y * dstMainStep[2];
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for (x = 0; x < halfWidth; x++)
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{
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/* Filter */
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const INT32 u = pSrcU[2 * x] + pSrcU[2 * x + 1] + pSrcU1[2 * x]
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+ pSrcU1[2 * x + 1];
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const INT32 v = pSrcV[2 * x] + pSrcV[2 * x + 1] + pSrcV1[2 * x]
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+ pSrcV1[2 * x + 1];
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pU[x] = CLIP(u / 4L);
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pV[x] = CLIP(v / 4L);
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}
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}
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/* B4 and B5 */
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for (y = 0; y < padHeigth; y++)
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{
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BYTE* pY = pAuxDst[0] + y * dstAuxStep[0];
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if (y % 16 < 8)
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{
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const UINT32 pos = (2 * uY++ + 1);
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const BYTE* pSrcU = pSrc[1] + pos * srcStep[1];
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if (pos >= roi->height)
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continue;
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memcpy(pY, pSrcU, roi->width);
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}
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else
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{
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const UINT32 pos = (2 * vY++ + 1);
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const BYTE* pSrcV = pSrc[2] + pos * srcStep[2];
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if (pos >= roi->height)
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continue;
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memcpy(pY, pSrcV, roi->width);
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}
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}
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/* B6 and B7 */
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for (y = 0; y < halfHeight; y++)
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{
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const BYTE* pSrcU = pSrc[1] + 2 * y * srcStep[1];
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const BYTE* pSrcV = pSrc[2] + 2 * y * srcStep[2];
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BYTE* pU = pAuxDst[1] + y * dstAuxStep[1];
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BYTE* pV = pAuxDst[2] + y * dstAuxStep[2];
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for (x = 0; x < halfWidth; x++)
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{
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pU[x] = pSrcU[2 * x + 1];
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pV[x] = pSrcV[2 * x + 1];
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}
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}
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return PRIMITIVES_SUCCESS;
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}
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/**
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* | R | ( | 256 0 403 | | Y | )
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* | G | = ( | 256 -48 -120 | | U - 128 | ) >> 8
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* | B | ( | 256 475 0 | | V - 128 | )
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*/
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static INLINE INT32 C(INT32 Y)
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{
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return (Y) - 0L;
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}
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static INLINE INT32 D(INT32 U)
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{
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return (U) - 128L;
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}
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static INLINE INT32 E(INT32 V)
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{
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return (V) - 128L;
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}
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static INLINE BYTE YUV2R(INT32 Y, INT32 U, INT32 V)
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{
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const INT32 r = (256L * C(Y) + 0L * D(U) + 403L * E(V));
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const INT32 r8 = r >> 8L;
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return CLIP(r8);
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}
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static INLINE BYTE YUV2G(INT32 Y, INT32 U, INT32 V)
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{
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const INT32 g = (256L * C(Y) - 48L * D(U) - 120L * E(V));
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const INT32 g8 = g >> 8L;
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return CLIP(g8);
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}
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static INLINE BYTE YUV2B(INT32 Y, INT32 U, INT32 V)
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{
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const INT32 b = (256L * C(Y) + 475L * D(U) + 0L * E(V));
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const INT32 b8 = b >> 8L;
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return CLIP(b8);
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}
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static INLINE BYTE* writePixel(BYTE* dst, UINT32 format, BYTE Y, BYTE U, BYTE V)
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{
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const BYTE r = YUV2R(Y, U, V);
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const BYTE g = YUV2G(Y, U, V);
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const BYTE b = YUV2B(Y, U, V);
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UINT32 color = GetColor(format, r, g, b, 0xFF);
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WriteColor(dst, format, color);
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return dst + GetBytesPerPixel(format);
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}
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static pstatus_t general_YUV444ToRGB_8u_P3AC4R(
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const BYTE* pSrc[3], const UINT32 srcStep[3],
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BYTE* pDst, UINT32 dstStep, UINT32 DstFormat,
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const prim_size_t* roi)
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{
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UINT32 x, y;
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UINT32 nWidth, nHeight;
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nWidth = roi->width;
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nHeight = roi->height;
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for (y = 0; y < nHeight; y++)
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{
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const BYTE* pY = pSrc[0] + y * srcStep[0];
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const BYTE* pU = pSrc[1] + y * srcStep[1];
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const BYTE* pV = pSrc[2] + y * srcStep[2];
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BYTE* pRGB = pDst + y * dstStep;
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for (x = 0; x < nWidth; x++)
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{
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const BYTE Y = pY[x];
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const INT32 U = pU[x];
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const INT32 V = pV[x];
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pRGB = writePixel(pRGB, DstFormat, Y, U, V);
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}
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}
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return PRIMITIVES_SUCCESS;
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}
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/**
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* | R | ( | 256 0 403 | | Y | )
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* | G | = ( | 256 -48 -120 | | U - 128 | ) >> 8
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* | B | ( | 256 475 0 | | V - 128 | )
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*/
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static pstatus_t general_YUV420ToRGB_8u_P3AC4R(
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const BYTE* pSrc[3], const UINT32 srcStep[3],
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BYTE* pDst, UINT32 dstStep, UINT32 DstFormat,
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const prim_size_t* roi)
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{
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UINT32 x, y;
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UINT32 dstPad;
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UINT32 srcPad[3];
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BYTE Y, U, V;
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UINT32 halfWidth;
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UINT32 halfHeight;
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const BYTE* pY;
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const BYTE* pU;
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const BYTE* pV;
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BYTE* pRGB = pDst;
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UINT32 nWidth, nHeight;
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UINT32 lastRow, lastCol;
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pY = pSrc[0];
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pU = pSrc[1];
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pV = pSrc[2];
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lastCol = roi->width & 0x01;
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lastRow = roi->height & 0x01;
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nWidth = (roi->width + 1) & ~0x0001;
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nHeight = (roi->height + 1) & ~0x0001;
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halfWidth = nWidth / 2;
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halfHeight = nHeight / 2;
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srcPad[0] = (srcStep[0] - nWidth);
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srcPad[1] = (srcStep[1] - halfWidth);
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srcPad[2] = (srcStep[2] - halfWidth);
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dstPad = (dstStep - (nWidth * 4));
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for (y = 0; y < halfHeight;)
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{
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if (++y == halfHeight)
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lastRow <<= 1;
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for (x = 0; x < halfWidth;)
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{
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if (++x == halfWidth)
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lastCol <<= 1;
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U = *pU++;
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V = *pV++;
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/* 1st pixel */
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Y = *pY++;
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pRGB = writePixel(pRGB, DstFormat, Y, U, V);
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/* 2nd pixel */
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if (!(lastCol & 0x02))
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{
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Y = *pY++;
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pRGB = writePixel(pRGB, DstFormat, Y, U, V);
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}
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else
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{
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pY++;
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pRGB += GetBytesPerPixel(DstFormat);
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lastCol >>= 1;
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}
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}
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pY += srcPad[0];
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pU -= halfWidth;
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pV -= halfWidth;
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pRGB += dstPad;
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if (lastRow & 0x02)
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break;
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for (x = 0; x < halfWidth;)
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{
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if (++x == halfWidth)
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lastCol <<= 1;
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U = *pU++;
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V = *pV++;
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/* 3rd pixel */
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Y = *pY++;
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pRGB = writePixel(pRGB, DstFormat, Y, U, V);
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/* 4th pixel */
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if (!(lastCol & 0x02))
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{
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Y = *pY++;
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pRGB = writePixel(pRGB, DstFormat, Y, U, V);
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}
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else
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{
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pY++;
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pRGB += GetBytesPerPixel(DstFormat);
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lastCol >>= 1;
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}
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}
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pY += srcPad[0];
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pU += srcPad[1];
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pV += srcPad[2];
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pRGB += dstPad;
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}
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return PRIMITIVES_SUCCESS;
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}
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/**
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* | Y | ( | 54 183 18 | | R | ) | 0 |
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* | U | = ( | -29 -99 128 | | G | ) >> 8 + | 128 |
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* | V | ( | 128 -116 -12 | | B | ) | 128 |
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*/
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static INLINE BYTE RGB2Y(INT32 R, INT32 G, INT32 B)
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{
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const INT32 y = (54L * (R) + 183L * (G) + 18L * (B));
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const INT32 y8 = (y >> 8L);
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return CLIP(y8);
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}
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static INLINE BYTE RGB2U(INT32 R, INT32 G, INT32 B)
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{
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const INT32 u = (-29L * (R) - 99L * (G) + 128L * (B));
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const INT32 u8 = (u >> 8L) + 128L;
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return CLIP(u8);
|
|
}
|
|
|
|
static INLINE BYTE RGB2V(INT32 R, INT32 G, INT32 B)
|
|
{
|
|
const INT32 v = (128L * (R) - 116L * (G) - 12L * (B));
|
|
const INT32 v8 = (v >> 8L) + 128L;
|
|
return CLIP(v8);
|
|
}
|
|
|
|
static pstatus_t general_RGBToYUV444_8u_P3AC4R(
|
|
const BYTE* pSrc, UINT32 SrcFormat, const UINT32 srcStep,
|
|
BYTE* pDst[3], UINT32 dstStep[3], const prim_size_t* roi)
|
|
{
|
|
const UINT32 bpp = GetBytesPerPixel(SrcFormat);
|
|
UINT32 x, y;
|
|
UINT32 nWidth, nHeight;
|
|
nWidth = roi->width;
|
|
nHeight = roi->height;
|
|
|
|
for (y = 0; y < nHeight; y++)
|
|
{
|
|
const BYTE* pRGB = pSrc + y * srcStep;
|
|
BYTE* pY = pDst[0] + y * dstStep[0];
|
|
BYTE* pU = pDst[1] + y * dstStep[1];
|
|
BYTE* pV = pDst[2] + y * dstStep[2];
|
|
|
|
for (x = 0; x < nWidth; x++)
|
|
{
|
|
BYTE B, G, R;
|
|
const UINT32 color = ReadColor(&pRGB[x * bpp], SrcFormat);
|
|
SplitColor(color, SrcFormat, &R, &G, &B, NULL, NULL);
|
|
|
|
pY[x] = RGB2Y(R, G, B);
|
|
pU[x] = RGB2U(R, G, B);
|
|
pV[x] = RGB2V(R, G, B);
|
|
}
|
|
}
|
|
|
|
return PRIMITIVES_SUCCESS;
|
|
}
|
|
|
|
static pstatus_t general_RGBToYUV420_8u_P3AC4R(
|
|
const BYTE* pSrc, UINT32 SrcFormat, UINT32 srcStep,
|
|
BYTE* pDst[3], UINT32 dstStep[3], const prim_size_t* roi)
|
|
{
|
|
const UINT32 bpp = GetBytesPerPixel(SrcFormat);
|
|
UINT32 x, y;
|
|
UINT32 halfWidth;
|
|
UINT32 halfHeight;
|
|
UINT32 nWidth, nHeight;
|
|
nWidth = roi->width + roi->width % 2;
|
|
nHeight = roi->height + roi->height % 2;
|
|
halfWidth = (nWidth + nWidth % 2) / 2;
|
|
halfHeight = (nHeight + nHeight % 2) / 2;
|
|
|
|
for (y = 0; y < halfHeight; y++)
|
|
{
|
|
const UINT32 val2y = (y * 2);
|
|
const UINT32 val2y1 = val2y + 1;
|
|
const BYTE* pRGB = pSrc + val2y * srcStep;
|
|
const BYTE* pRGB1 = pSrc + val2y1 * srcStep;
|
|
BYTE* pY = pDst[0] + val2y * dstStep[0];
|
|
BYTE* pY1 = pDst[0] + val2y1 * dstStep[0];
|
|
BYTE* pU = pDst[1] + y * dstStep[1];
|
|
BYTE* pV = pDst[2] + y * dstStep[2];
|
|
|
|
for (x = 0; x < halfWidth; x++)
|
|
{
|
|
UINT32 color;
|
|
INT32 Ra, Ga, Ba;
|
|
const UINT32 val2x = (x * 2);
|
|
const UINT32 val2x1 = val2x + 1;
|
|
BYTE B, G, R;
|
|
|
|
/* 1st pixel */
|
|
color = ReadColor(&pRGB[val2x * bpp], SrcFormat);
|
|
SplitColor(color, SrcFormat, &R, &G, &B, NULL, NULL);
|
|
|
|
Ba = B;
|
|
Ga = G;
|
|
Ra = R;
|
|
pY[val2x] = RGB2Y(R, G, B);
|
|
|
|
if (val2x1 < nWidth)
|
|
{
|
|
/* 2nd pixel */
|
|
color = ReadColor(&pRGB[val2x1 * bpp], SrcFormat);
|
|
SplitColor(color, SrcFormat, &R, &G, &B, NULL, NULL);
|
|
Ba += B;
|
|
Ga += G;
|
|
Ra += R;
|
|
pY[val2x1] = RGB2Y(R, G, B);
|
|
}
|
|
|
|
if (val2y1 < nHeight)
|
|
{
|
|
/* 3rd pixel */
|
|
color = ReadColor(&pRGB1[val2x * bpp], SrcFormat);
|
|
SplitColor(color, SrcFormat, &R, &G, &B, NULL, NULL);
|
|
Ba += B;
|
|
Ga += G;
|
|
Ra += R;
|
|
pY1[val2x] = RGB2Y(R, G, B);
|
|
|
|
if (val2x1 < nWidth)
|
|
{
|
|
/* 4th pixel */
|
|
color = ReadColor(&pRGB1[val2x1 * bpp], SrcFormat);
|
|
SplitColor(color, SrcFormat, &R, &G, &B, NULL, NULL);
|
|
Ba += B;
|
|
Ga += G;
|
|
Ra += R;
|
|
pY1[val2x1] = RGB2Y(R, G, B);
|
|
}
|
|
}
|
|
|
|
Ba >>= 2;
|
|
Ga >>= 2;
|
|
Ra >>= 2;
|
|
pU[x] = RGB2U(Ra, Ga, Ba);
|
|
pV[x] = RGB2V(Ra, Ga, Ba);
|
|
}
|
|
}
|
|
|
|
return PRIMITIVES_SUCCESS;
|
|
}
|
|
|
|
void primitives_init_YUV(primitives_t* prims)
|
|
{
|
|
prims->YUV420ToRGB_8u_P3AC4R = general_YUV420ToRGB_8u_P3AC4R;
|
|
prims->YUV444ToRGB_8u_P3AC4R = general_YUV444ToRGB_8u_P3AC4R;
|
|
prims->RGBToYUV420_8u_P3AC4R = general_RGBToYUV420_8u_P3AC4R;
|
|
prims->RGBToYUV444_8u_P3AC4R = general_RGBToYUV444_8u_P3AC4R;
|
|
prims->YUV420CombineToYUV444 = general_YUV420CombineToYUV444;
|
|
prims->YUV444SplitToYUV420 = general_YUV444SplitToYUV420;
|
|
}
|
|
|