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Diffstat (limited to 'libfreerdp/primitives/prim_YUV.c')
-rw-r--r--libfreerdp/primitives/prim_YUV.c1877
1 files changed, 1877 insertions, 0 deletions
diff --git a/libfreerdp/primitives/prim_YUV.c b/libfreerdp/primitives/prim_YUV.c
new file mode 100644
index 0000000..ec02139
--- /dev/null
+++ b/libfreerdp/primitives/prim_YUV.c
@@ -0,0 +1,1877 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Generic YUV/RGB conversion operations
+ *
+ * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * Copyright 2015-2017 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2015-2017 Norbert Federa <norbert.federa@thincast.com>
+ * Copyright 2015-2017 Vic Lee
+ * Copyright 2015-2017 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <winpr/wtypes.h>
+
+#include <freerdp/config.h>
+
+#include <freerdp/types.h>
+#include <freerdp/primitives.h>
+#include <freerdp/codec/color.h>
+#include "prim_internal.h"
+
+static pstatus_t general_LumaToYUV444(const BYTE* const WINPR_RESTRICT pSrcRaw[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDstRaw[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 oddY = 1;
+ const UINT32 evenY = 0;
+ const UINT32 oddX = 1;
+ const UINT32 evenX = 0;
+ const BYTE* pSrc[3] = { pSrcRaw[0] + roi->top * srcStep[0] + roi->left,
+ pSrcRaw[1] + roi->top / 2 * srcStep[1] + roi->left / 2,
+ pSrcRaw[2] + roi->top / 2 * srcStep[2] + roi->left / 2 };
+ BYTE* pDst[3] = { pDstRaw[0] + roi->top * dstStep[0] + roi->left,
+ pDstRaw[1] + roi->top * dstStep[1] + roi->left,
+ pDstRaw[2] + roi->top * dstStep[2] + roi->left };
+
+ /* Y data is already here... */
+ /* B1 */
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const BYTE* Ym = pSrc[0] + srcStep[0] * y;
+ BYTE* pY = pDst[0] + dstStep[0] * y;
+ memcpy(pY, Ym, nWidth);
+ }
+
+ /* The first half of U, V are already here part of this frame. */
+ /* B2 and B3 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const UINT32 val2y = (2 * y + evenY);
+ const UINT32 val2y1 = val2y + oddY;
+ const BYTE* Um = pSrc[1] + srcStep[1] * y;
+ const BYTE* Vm = pSrc[2] + srcStep[2] * y;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+ BYTE* pU1 = pDst[1] + dstStep[1] * val2y1;
+ BYTE* pV1 = pDst[2] + dstStep[2] * val2y1;
+
+ for (UINT32 x = 0; x < halfWidth; x++)
+ {
+ const UINT32 val2x = 2 * x + evenX;
+ const UINT32 val2x1 = val2x + oddX;
+ pU[val2x] = Um[x];
+ pV[val2x] = Vm[x];
+ pU[val2x1] = Um[x];
+ pV[val2x1] = Vm[x];
+ pU1[val2x] = Um[x];
+ pV1[val2x] = Vm[x];
+ pU1[val2x1] = Um[x];
+ pV1[val2x1] = Vm[x];
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_ChromaFilter(BYTE* WINPR_RESTRICT pDst[3], const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 oddY = 1;
+ const UINT32 evenY = 0;
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+
+ /* Filter */
+ for (UINT32 y = roi->top; y < halfHeight + roi->top; y++)
+ {
+ const UINT32 val2y = (y * 2 + evenY);
+ const UINT32 val2y1 = val2y + oddY;
+ BYTE* pU1 = pDst[1] + dstStep[1] * val2y1;
+ BYTE* pV1 = pDst[2] + dstStep[2] * val2y1;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+
+ if (val2y1 > nHeight)
+ continue;
+
+ for (UINT32 x = roi->left; x < halfWidth + roi->left; x++)
+ {
+ const UINT32 val2x = (x * 2);
+ const UINT32 val2x1 = val2x + 1;
+ const BYTE inU = pU[val2x];
+ const BYTE inV = pV[val2x];
+ const INT32 up = inU * 4;
+ const INT32 vp = inV * 4;
+ INT32 u2020 = 0;
+ INT32 v2020 = 0;
+
+ if (val2x1 > nWidth)
+ continue;
+
+ u2020 = up - pU[val2x1] - pU1[val2x] - pU1[val2x1];
+ v2020 = vp - pV[val2x1] - pV1[val2x] - pV1[val2x1];
+
+ pU[val2x] = CONDITIONAL_CLIP(u2020, inU);
+ pV[val2x] = CONDITIONAL_CLIP(v2020, inV);
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_ChromaV1ToYUV444(const BYTE* const WINPR_RESTRICT pSrcRaw[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDstRaw[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 mod = 16;
+ UINT32 uY = 0;
+ UINT32 vY = 0;
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth) / 2;
+ const UINT32 halfHeight = (nHeight) / 2;
+ const UINT32 oddY = 1;
+ const UINT32 evenY = 0;
+ const UINT32 oddX = 1;
+ /* The auxilary frame is aligned to multiples of 16x16.
+ * We need the padded height for B4 and B5 conversion. */
+ const UINT32 padHeigth = nHeight + 16 - nHeight % 16;
+ const BYTE* pSrc[3] = { pSrcRaw[0] + roi->top * srcStep[0] + roi->left,
+ pSrcRaw[1] + roi->top / 2 * srcStep[1] + roi->left / 2,
+ pSrcRaw[2] + roi->top / 2 * srcStep[2] + roi->left / 2 };
+ BYTE* pDst[3] = { pDstRaw[0] + roi->top * dstStep[0] + roi->left,
+ pDstRaw[1] + roi->top * dstStep[1] + roi->left,
+ pDstRaw[2] + roi->top * dstStep[2] + roi->left };
+
+ /* The second half of U and V is a bit more tricky... */
+ /* B4 and B5 */
+ for (UINT32 y = 0; y < padHeigth; y++)
+ {
+ const BYTE* Ya = pSrc[0] + srcStep[0] * y;
+ BYTE* pX = NULL;
+
+ if ((y) % mod < (mod + 1) / 2)
+ {
+ const UINT32 pos = (2 * uY++ + oddY);
+
+ if (pos >= nHeight)
+ continue;
+
+ pX = pDst[1] + dstStep[1] * pos;
+ }
+ else
+ {
+ const UINT32 pos = (2 * vY++ + oddY);
+
+ if (pos >= nHeight)
+ continue;
+
+ pX = pDst[2] + dstStep[2] * pos;
+ }
+
+ memcpy(pX, Ya, nWidth);
+ }
+
+ /* B6 and B7 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const UINT32 val2y = (y * 2 + evenY);
+ const BYTE* Ua = pSrc[1] + srcStep[1] * y;
+ const BYTE* Va = pSrc[2] + srcStep[2] * y;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+
+ for (UINT32 x = 0; x < halfWidth; x++)
+ {
+ const UINT32 val2x1 = (x * 2 + oddX);
+ pU[val2x1] = Ua[x];
+ pV[val2x1] = Va[x];
+ }
+ }
+
+ /* Filter */
+ return general_ChromaFilter(pDst, dstStep, roi);
+}
+
+static pstatus_t general_ChromaV2ToYUV444(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], UINT32 nTotalWidth,
+ UINT32 nTotalHeight, BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 quaterWidth = (nWidth + 3) / 4;
+
+ /* B4 and B5: odd UV values for width/2, height */
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const UINT32 yTop = y + roi->top;
+ const BYTE* pYaU = pSrc[0] + srcStep[0] * yTop + roi->left / 2;
+ const BYTE* pYaV = pYaU + nTotalWidth / 2;
+ BYTE* pU = pDst[1] + dstStep[1] * yTop + roi->left;
+ BYTE* pV = pDst[2] + dstStep[2] * yTop + roi->left;
+
+ for (UINT32 x = 0; x < halfWidth; x++)
+ {
+ const UINT32 odd = 2 * x + 1;
+ pU[odd] = *pYaU++;
+ pV[odd] = *pYaV++;
+ }
+ }
+
+ /* B6 - B9 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const BYTE* pUaU = pSrc[1] + srcStep[1] * (y + roi->top / 2) + roi->left / 4;
+ const BYTE* pUaV = pUaU + nTotalWidth / 4;
+ const BYTE* pVaU = pSrc[2] + srcStep[2] * (y + roi->top / 2) + roi->left / 4;
+ const BYTE* pVaV = pVaU + nTotalWidth / 4;
+ BYTE* pU = pDst[1] + dstStep[1] * (2 * y + 1 + roi->top) + roi->left;
+ BYTE* pV = pDst[2] + dstStep[2] * (2 * y + 1 + roi->top) + roi->left;
+
+ for (UINT32 x = 0; x < quaterWidth; x++)
+ {
+ pU[4 * x + 0] = *pUaU++;
+ pV[4 * x + 0] = *pUaV++;
+ pU[4 * x + 2] = *pVaU++;
+ pV[4 * x + 2] = *pVaV++;
+ }
+ }
+
+ return general_ChromaFilter(pDst, dstStep, roi);
+}
+
+static pstatus_t general_YUV420CombineToYUV444(avc444_frame_type type,
+ const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], UINT32 nWidth,
+ UINT32 nHeight, BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ if (!pSrc || !pSrc[0] || !pSrc[1] || !pSrc[2])
+ return -1;
+
+ if (!pDst || !pDst[0] || !pDst[1] || !pDst[2])
+ return -1;
+
+ if (!roi)
+ return -1;
+
+ switch (type)
+ {
+ case AVC444_LUMA:
+ return general_LumaToYUV444(pSrc, srcStep, pDst, dstStep, roi);
+
+ case AVC444_CHROMAv1:
+ return general_ChromaV1ToYUV444(pSrc, srcStep, pDst, dstStep, roi);
+
+ case AVC444_CHROMAv2:
+ return general_ChromaV2ToYUV444(pSrc, srcStep, nWidth, nHeight, pDst, dstStep, roi);
+
+ default:
+ return -1;
+ }
+}
+
+static pstatus_t
+general_YUV444SplitToYUV420(const BYTE* const WINPR_RESTRICT pSrc[3], const UINT32 srcStep[3],
+ BYTE* WINPR_RESTRICT pMainDst[3], const UINT32 dstMainStep[3],
+ BYTE* WINPR_RESTRICT pAuxDst[3], const UINT32 dstAuxStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ UINT32 uY = 0;
+ UINT32 vY = 0;
+ UINT32 halfWidth = 0;
+ UINT32 halfHeight = 0;
+ /* The auxilary frame is aligned to multiples of 16x16.
+ * We need the padded height for B4 and B5 conversion. */
+ const UINT32 padHeigth = roi->height + 16 - roi->height % 16;
+ halfWidth = (roi->width + 1) / 2;
+ halfHeight = (roi->height + 1) / 2;
+
+ /* B1 */
+ for (UINT32 y = 0; y < roi->height; y++)
+ {
+ const BYTE* pSrcY = pSrc[0] + y * srcStep[0];
+ BYTE* pY = pMainDst[0] + y * dstMainStep[0];
+ memcpy(pY, pSrcY, roi->width);
+ }
+
+ /* B2 and B3 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const BYTE* pSrcU = pSrc[1] + 2 * y * srcStep[1];
+ const BYTE* pSrcV = pSrc[2] + 2 * y * srcStep[2];
+ const BYTE* pSrcU1 = pSrc[1] + (2 * y + 1) * srcStep[1];
+ const BYTE* pSrcV1 = pSrc[2] + (2 * y + 1) * srcStep[2];
+ BYTE* pU = pMainDst[1] + y * dstMainStep[1];
+ BYTE* pV = pMainDst[2] + y * dstMainStep[2];
+
+ for (UINT32 x = 0; x < halfWidth; x++)
+ {
+ /* Filter */
+ const INT32 u = pSrcU[2 * x] + pSrcU[2 * x + 1] + pSrcU1[2 * x] + pSrcU1[2 * x + 1];
+ const INT32 v = pSrcV[2 * x] + pSrcV[2 * x + 1] + pSrcV1[2 * x] + pSrcV1[2 * x + 1];
+ pU[x] = CLIP(u / 4L);
+ pV[x] = CLIP(v / 4L);
+ }
+ }
+
+ /* B4 and B5 */
+ for (UINT32 y = 0; y < padHeigth; y++)
+ {
+ BYTE* pY = pAuxDst[0] + y * dstAuxStep[0];
+
+ if (y % 16 < 8)
+ {
+ const UINT32 pos = (2 * uY++ + 1);
+ const BYTE* pSrcU = pSrc[1] + pos * srcStep[1];
+
+ if (pos >= roi->height)
+ continue;
+
+ memcpy(pY, pSrcU, roi->width);
+ }
+ else
+ {
+ const UINT32 pos = (2 * vY++ + 1);
+ const BYTE* pSrcV = pSrc[2] + pos * srcStep[2];
+
+ if (pos >= roi->height)
+ continue;
+
+ memcpy(pY, pSrcV, roi->width);
+ }
+ }
+
+ /* B6 and B7 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const BYTE* pSrcU = pSrc[1] + 2 * y * srcStep[1];
+ const BYTE* pSrcV = pSrc[2] + 2 * y * srcStep[2];
+ BYTE* pU = pAuxDst[1] + y * dstAuxStep[1];
+ BYTE* pV = pAuxDst[2] + y * dstAuxStep[2];
+
+ for (UINT32 x = 0; x < halfWidth; x++)
+ {
+ pU[x] = pSrcU[2 * x + 1];
+ pV[x] = pSrcV[2 * x + 1];
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_YUV444ToRGB_8u_P3AC4R_general(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3],
+ BYTE* WINPR_RESTRICT pDst, UINT32 dstStep,
+ UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ const DWORD formatSize = FreeRDPGetBytesPerPixel(DstFormat);
+ fkt_writePixel writePixel = getPixelWriteFunction(DstFormat, FALSE);
+
+ WINPR_ASSERT(pSrc);
+ WINPR_ASSERT(pDst);
+ WINPR_ASSERT(roi);
+
+ const UINT32 nWidth = roi->width;
+ const UINT32 nHeight = roi->height;
+
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const BYTE* pY = pSrc[0] + y * srcStep[0];
+ const BYTE* pU = pSrc[1] + y * srcStep[1];
+ const BYTE* pV = pSrc[2] + y * srcStep[2];
+ BYTE* pRGB = pDst + y * dstStep;
+
+ for (UINT32 x = 0; x < nWidth; x++)
+ {
+ const BYTE Y = pY[x];
+ const BYTE U = pU[x];
+ const BYTE V = pV[x];
+ const BYTE r = YUV2R(Y, U, V);
+ const BYTE g = YUV2G(Y, U, V);
+ const BYTE b = YUV2B(Y, U, V);
+ pRGB = writePixel(pRGB, formatSize, DstFormat, r, g, b, 0);
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_YUV444ToRGB_8u_P3AC4R_BGRX(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3],
+ BYTE* WINPR_RESTRICT pDst, UINT32 dstStep,
+ UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ const DWORD formatSize = FreeRDPGetBytesPerPixel(DstFormat);
+
+ WINPR_ASSERT(pSrc);
+ WINPR_ASSERT(pDst);
+ WINPR_ASSERT(roi);
+
+ const UINT32 nWidth = roi->width;
+ const UINT32 nHeight = roi->height;
+
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const BYTE* pY = pSrc[0] + y * srcStep[0];
+ const BYTE* pU = pSrc[1] + y * srcStep[1];
+ const BYTE* pV = pSrc[2] + y * srcStep[2];
+ BYTE* pRGB = pDst + y * dstStep;
+
+ for (UINT32 x = 0; x < nWidth; x++)
+ {
+ const BYTE Y = pY[x];
+ const BYTE U = pU[x];
+ const BYTE V = pV[x];
+ const BYTE r = YUV2R(Y, U, V);
+ const BYTE g = YUV2G(Y, U, V);
+ const BYTE b = YUV2B(Y, U, V);
+ pRGB = writePixelBGRX(pRGB, formatSize, DstFormat, r, g, b, 0);
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_YUV444ToRGB_8u_P3AC4R(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ switch (DstFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return general_YUV444ToRGB_8u_P3AC4R_BGRX(pSrc, srcStep, pDst, dstStep, DstFormat, roi);
+
+ default:
+ return general_YUV444ToRGB_8u_P3AC4R_general(pSrc, srcStep, pDst, dstStep, DstFormat,
+ roi);
+ }
+}
+/**
+ * | R | ( | 256 0 403 | | Y | )
+ * | G | = ( | 256 -48 -120 | | U - 128 | ) >> 8
+ * | B | ( | 256 475 0 | | V - 128 | )
+ */
+static pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ UINT32 dstPad = 0;
+ UINT32 srcPad[3];
+ BYTE Y = 0;
+ BYTE U = 0;
+ BYTE V = 0;
+ UINT32 halfWidth = 0;
+ UINT32 halfHeight = 0;
+ const BYTE* pY = NULL;
+ const BYTE* pU = NULL;
+ const BYTE* pV = NULL;
+ BYTE* pRGB = pDst;
+ UINT32 nWidth = 0;
+ UINT32 nHeight = 0;
+ UINT32 lastRow = 0;
+ UINT32 lastCol = 0;
+ const DWORD formatSize = FreeRDPGetBytesPerPixel(DstFormat);
+ fkt_writePixel writePixel = getPixelWriteFunction(DstFormat, FALSE);
+ pY = pSrc[0];
+ pU = pSrc[1];
+ pV = pSrc[2];
+ lastCol = roi->width & 0x01;
+ lastRow = roi->height & 0x01;
+ nWidth = (roi->width + 1) & ~0x0001;
+ nHeight = (roi->height + 1) & ~0x0001;
+ halfWidth = nWidth / 2;
+ halfHeight = nHeight / 2;
+ srcPad[0] = (srcStep[0] - nWidth);
+ srcPad[1] = (srcStep[1] - halfWidth);
+ srcPad[2] = (srcStep[2] - halfWidth);
+ dstPad = (dstStep - (nWidth * 4));
+
+ for (UINT32 y = 0; y < halfHeight;)
+ {
+ if (++y == halfHeight)
+ lastRow <<= 1;
+
+ for (UINT32 x = 0; x < halfWidth;)
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+
+ if (++x == halfWidth)
+ lastCol <<= 1;
+
+ U = *pU++;
+ V = *pV++;
+ /* 1st pixel */
+ Y = *pY++;
+ r = YUV2R(Y, U, V);
+ g = YUV2G(Y, U, V);
+ b = YUV2B(Y, U, V);
+ pRGB = writePixel(pRGB, formatSize, DstFormat, r, g, b, 0);
+
+ /* 2nd pixel */
+ if (!(lastCol & 0x02))
+ {
+ Y = *pY++;
+ r = YUV2R(Y, U, V);
+ g = YUV2G(Y, U, V);
+ b = YUV2B(Y, U, V);
+ pRGB = writePixel(pRGB, formatSize, DstFormat, r, g, b, 0);
+ }
+ else
+ {
+ pY++;
+ pRGB += formatSize;
+ lastCol >>= 1;
+ }
+ }
+
+ pY += srcPad[0];
+ pU -= halfWidth;
+ pV -= halfWidth;
+ pRGB += dstPad;
+
+ if (lastRow & 0x02)
+ break;
+
+ for (UINT32 x = 0; x < halfWidth;)
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+
+ if (++x == halfWidth)
+ lastCol <<= 1;
+
+ U = *pU++;
+ V = *pV++;
+ /* 3rd pixel */
+ Y = *pY++;
+ r = YUV2R(Y, U, V);
+ g = YUV2G(Y, U, V);
+ b = YUV2B(Y, U, V);
+ pRGB = writePixel(pRGB, formatSize, DstFormat, r, g, b, 0);
+
+ /* 4th pixel */
+ if (!(lastCol & 0x02))
+ {
+ Y = *pY++;
+ r = YUV2R(Y, U, V);
+ g = YUV2G(Y, U, V);
+ b = YUV2B(Y, U, V);
+ pRGB = writePixel(pRGB, formatSize, DstFormat, r, g, b, 0);
+ }
+ else
+ {
+ pY++;
+ pRGB += formatSize;
+ lastCol >>= 1;
+ }
+ }
+
+ pY += srcPad[0];
+ pU += srcPad[1];
+ pV += srcPad[2];
+ pRGB += dstPad;
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+/**
+ * | Y | ( | 54 183 18 | | R | ) | 0 |
+ * | U | = ( | -29 -99 128 | | G | ) >> 8 + | 128 |
+ * | V | ( | 128 -116 -12 | | B | ) | 128 |
+ */
+static INLINE BYTE RGB2Y(BYTE R, BYTE G, BYTE B)
+{
+ return (54 * R + 183 * G + 18 * B) >> 8;
+}
+
+static INLINE BYTE RGB2U(BYTE R, BYTE G, BYTE B)
+{
+ return ((-29 * R - 99 * G + 128 * B) >> 8) + 128;
+}
+
+static INLINE BYTE RGB2V(INT32 R, INT32 G, INT32 B)
+{
+ return ((128 * R - 116 * G - 12 * B) >> 8) + 128;
+}
+
+static pstatus_t general_RGBToYUV444_8u_P3AC4R(const BYTE* WINPR_RESTRICT pSrc, UINT32 SrcFormat,
+ const UINT32 srcStep, BYTE* WINPR_RESTRICT pDst[3],
+ UINT32 dstStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ const UINT32 bpp = FreeRDPGetBytesPerPixel(SrcFormat);
+ UINT32 nWidth = 0;
+ UINT32 nHeight = 0;
+ nWidth = roi->width;
+ nHeight = roi->height;
+
+ for (UINT32 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 (UINT32 x = 0; x < nWidth; x++)
+ {
+ BYTE B = 0;
+ BYTE G = 0;
+ BYTE R = 0;
+ const UINT32 color = FreeRDPReadColor(&pRGB[x * bpp], SrcFormat);
+ FreeRDPSplitColor(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 INLINE pstatus_t general_RGBToYUV420_BGRX(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ UINT32 i = 0;
+ size_t x1 = 0;
+ size_t x2 = 4;
+ size_t x3 = srcStep;
+ size_t x4 = srcStep + 4;
+ size_t y1 = 0;
+ size_t y2 = 1;
+ size_t y3 = dstStep[0];
+ size_t y4 = dstStep[0] + 1;
+ UINT32 max_x = roi->width - 1;
+ UINT32 max_y = roi->height - 1;
+
+ for (UINT32 y = i = 0; y < roi->height; y += 2, i++)
+ {
+ const BYTE* src = pSrc + y * srcStep;
+ BYTE* ydst = pDst[0] + y * dstStep[0];
+ BYTE* udst = pDst[1] + i * dstStep[1];
+ BYTE* vdst = pDst[2] + i * dstStep[2];
+
+ for (UINT32 x = 0; x < roi->width; x += 2)
+ {
+ BYTE R = 0;
+ BYTE G = 0;
+ BYTE B = 0;
+ INT32 Ra = 0;
+ INT32 Ga = 0;
+ INT32 Ba = 0;
+ /* row 1, pixel 1 */
+ Ba = B = *(src + x1 + 0);
+ Ga = G = *(src + x1 + 1);
+ Ra = R = *(src + x1 + 2);
+ ydst[y1] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 1, pixel 2 */
+ Ba += B = *(src + x2 + 0);
+ Ga += G = *(src + x2 + 1);
+ Ra += R = *(src + x2 + 2);
+ ydst[y2] = RGB2Y(R, G, B);
+ }
+
+ if (y < max_y)
+ {
+ /* row 2, pixel 1 */
+ Ba += B = *(src + x3 + 0);
+ Ga += G = *(src + x3 + 1);
+ Ra += R = *(src + x3 + 2);
+ ydst[y3] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 2, pixel 2 */
+ Ba += B = *(src + x4 + 0);
+ Ga += G = *(src + x4 + 1);
+ Ra += R = *(src + x4 + 2);
+ ydst[y4] = RGB2Y(R, G, B);
+ }
+ }
+
+ Ba >>= 2;
+ Ga >>= 2;
+ Ra >>= 2;
+ *udst++ = RGB2U(Ra, Ga, Ba);
+ *vdst++ = RGB2V(Ra, Ga, Ba);
+ ydst += 2;
+ src += 8;
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE pstatus_t general_RGBToYUV420_RGBX(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ size_t x1 = 0;
+ size_t x2 = 4;
+ size_t x3 = srcStep;
+ size_t x4 = srcStep + 4;
+ size_t y1 = 0;
+ size_t y2 = 1;
+ size_t y3 = dstStep[0];
+ size_t y4 = dstStep[0] + 1;
+ UINT32 max_x = roi->width - 1;
+ UINT32 max_y = roi->height - 1;
+
+ for (UINT32 y = 0, i = 0; y < roi->height; y += 2, i++)
+ {
+ const BYTE* src = pSrc + y * srcStep;
+ BYTE* ydst = pDst[0] + y * dstStep[0];
+ BYTE* udst = pDst[1] + i * dstStep[1];
+ BYTE* vdst = pDst[2] + i * dstStep[2];
+
+ for (UINT32 x = 0; x < roi->width; x += 2)
+ {
+ BYTE R = 0;
+ BYTE G = 0;
+ BYTE B = 0;
+ INT32 Ra = 0;
+ INT32 Ga = 0;
+ INT32 Ba = 0;
+ /* row 1, pixel 1 */
+ Ra = R = *(src + x1 + 0);
+ Ga = G = *(src + x1 + 1);
+ Ba = B = *(src + x1 + 2);
+ ydst[y1] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 1, pixel 2 */
+ Ra += R = *(src + x2 + 0);
+ Ga += G = *(src + x2 + 1);
+ Ba += B = *(src + x2 + 2);
+ ydst[y2] = RGB2Y(R, G, B);
+ }
+
+ if (y < max_y)
+ {
+ /* row 2, pixel 1 */
+ Ra += R = *(src + x3 + 0);
+ Ga += G = *(src + x3 + 1);
+ Ba += B = *(src + x3 + 2);
+ ydst[y3] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 2, pixel 2 */
+ Ra += R = *(src + x4 + 0);
+ Ga += G = *(src + x4 + 1);
+ Ba += B = *(src + x4 + 2);
+ ydst[y4] = RGB2Y(R, G, B);
+ }
+ }
+
+ Ba >>= 2;
+ Ga >>= 2;
+ Ra >>= 2;
+ *udst++ = RGB2U(Ra, Ga, Ba);
+ *vdst++ = RGB2V(Ra, Ga, Ba);
+ ydst += 2;
+ src += 8;
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE pstatus_t general_RGBToYUV420_ANY(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat,
+ UINT32 srcStep, BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ const UINT32 bpp = FreeRDPGetBytesPerPixel(srcFormat);
+ size_t x1 = 0;
+ size_t x2 = bpp;
+ size_t x3 = srcStep;
+ size_t x4 = srcStep + bpp;
+ size_t y1 = 0;
+ size_t y2 = 1;
+ size_t y3 = dstStep[0];
+ size_t y4 = dstStep[0] + 1;
+ UINT32 max_x = roi->width - 1;
+ UINT32 max_y = roi->height - 1;
+
+ for (UINT32 y = 0, i = 0; y < roi->height; y += 2, i++)
+ {
+ const BYTE* src = pSrc + y * srcStep;
+ BYTE* ydst = pDst[0] + y * dstStep[0];
+ BYTE* udst = pDst[1] + i * dstStep[1];
+ BYTE* vdst = pDst[2] + i * dstStep[2];
+
+ for (UINT32 x = 0; x < roi->width; x += 2)
+ {
+ BYTE R = 0;
+ BYTE G = 0;
+ BYTE B = 0;
+ INT32 Ra = 0;
+ INT32 Ga = 0;
+ INT32 Ba = 0;
+ UINT32 color = 0;
+ /* row 1, pixel 1 */
+ color = FreeRDPReadColor(src + x1, srcFormat);
+ FreeRDPSplitColor(color, srcFormat, &R, &G, &B, NULL, NULL);
+ Ra = R;
+ Ga = G;
+ Ba = B;
+ ydst[y1] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 1, pixel 2 */
+ color = FreeRDPReadColor(src + x2, srcFormat);
+ FreeRDPSplitColor(color, srcFormat, &R, &G, &B, NULL, NULL);
+ Ra += R;
+ Ga += G;
+ Ba += B;
+ ydst[y2] = RGB2Y(R, G, B);
+ }
+
+ if (y < max_y)
+ {
+ /* row 2, pixel 1 */
+ color = FreeRDPReadColor(src + x3, srcFormat);
+ FreeRDPSplitColor(color, srcFormat, &R, &G, &B, NULL, NULL);
+ Ra += R;
+ Ga += G;
+ Ba += B;
+ ydst[y3] = RGB2Y(R, G, B);
+
+ if (x < max_x)
+ {
+ /* row 2, pixel 2 */
+ color = FreeRDPReadColor(src + x4, srcFormat);
+ FreeRDPSplitColor(color, srcFormat, &R, &G, &B, NULL, NULL);
+ Ra += R;
+ Ga += G;
+ Ba += B;
+ ydst[y4] = RGB2Y(R, G, B);
+ }
+ }
+
+ Ra >>= 2;
+ Ga >>= 2;
+ Ba >>= 2;
+ *udst++ = RGB2U(Ra, Ga, Ba);
+ *vdst++ = RGB2V(Ra, Ga, Ba);
+ ydst += 2;
+ src += 2 * bpp;
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t general_RGBToYUV420_8u_P3AC4R(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat,
+ UINT32 srcStep, BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ switch (srcFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return general_RGBToYUV420_BGRX(pSrc, srcStep, pDst, dstStep, roi);
+
+ case PIXEL_FORMAT_RGBA32:
+ case PIXEL_FORMAT_RGBX32:
+ return general_RGBToYUV420_RGBX(pSrc, srcStep, pDst, dstStep, roi);
+
+ default:
+ return general_RGBToYUV420_ANY(pSrc, srcFormat, srcStep, pDst, dstStep, roi);
+ }
+}
+
+static INLINE void general_RGBToAVC444YUV_BGRX_DOUBLE_ROW(
+ const BYTE* WINPR_RESTRICT srcEven, const BYTE* WINPR_RESTRICT srcOdd,
+ BYTE* WINPR_RESTRICT b1Even, BYTE* WINPR_RESTRICT b1Odd, BYTE* WINPR_RESTRICT b2,
+ BYTE* WINPR_RESTRICT b3, BYTE* WINPR_RESTRICT b4, BYTE* WINPR_RESTRICT b5,
+ BYTE* WINPR_RESTRICT b6, BYTE* WINPR_RESTRICT b7, UINT32 width)
+{
+ for (UINT32 x = 0; x < width; x += 2)
+ {
+ const BOOL lastX = (x + 1) >= width;
+ BYTE Y1e = 0;
+ BYTE Y2e = 0;
+ BYTE U1e = 0;
+ BYTE V1e = 0;
+ BYTE U2e = 0;
+ BYTE V2e = 0;
+ BYTE Y1o = 0;
+ BYTE Y2o = 0;
+ BYTE U1o = 0;
+ BYTE V1o = 0;
+ BYTE U2o = 0;
+ BYTE V2o = 0;
+ /* Read 4 pixels, 2 from even, 2 from odd lines */
+ {
+ const BYTE b = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE r = *srcEven++;
+ srcEven++;
+ Y1e = Y2e = Y1o = Y2o = RGB2Y(r, g, b);
+ U1e = U2e = U1o = U2o = RGB2U(r, g, b);
+ V1e = V2e = V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (!lastX)
+ {
+ const BYTE b = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE r = *srcEven++;
+ srcEven++;
+ Y2e = RGB2Y(r, g, b);
+ U2e = RGB2U(r, g, b);
+ V2e = RGB2V(r, g, b);
+ }
+
+ if (b1Odd)
+ {
+ const BYTE b = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE r = *srcOdd++;
+ srcOdd++;
+ Y1o = Y2o = RGB2Y(r, g, b);
+ U1o = U2o = RGB2U(r, g, b);
+ V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (b1Odd && !lastX)
+ {
+ const BYTE b = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE r = *srcOdd++;
+ srcOdd++;
+ Y2o = RGB2Y(r, g, b);
+ U2o = RGB2U(r, g, b);
+ V2o = RGB2V(r, g, b);
+ }
+
+ /* We have 4 Y pixels, so store them. */
+ *b1Even++ = Y1e;
+ *b1Even++ = Y2e;
+
+ if (b1Odd)
+ {
+ *b1Odd++ = Y1o;
+ *b1Odd++ = Y2o;
+ }
+
+ /* 2x 2y pixel in luma UV plane use averaging
+ */
+ {
+ const BYTE Uavg = ((UINT16)U1e + (UINT16)U2e + (UINT16)U1o + (UINT16)U2o) / 4;
+ const BYTE Vavg = ((UINT16)V1e + (UINT16)V2e + (UINT16)V1o + (UINT16)V2o) / 4;
+ *b2++ = Uavg;
+ *b3++ = Vavg;
+ }
+
+ /* UV from 2x, 2y+1 */
+ if (b1Odd)
+ {
+ *b4++ = U1o;
+ *b5++ = V1o;
+
+ if (!lastX)
+ {
+ *b4++ = U2o;
+ *b5++ = V2o;
+ }
+ }
+
+ /* UV from 2x+1, 2y */
+ if (!lastX)
+ {
+ *b6++ = U2e;
+ *b7++ = V2e;
+ }
+ }
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUV_BGRX(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst1[3],
+ const UINT32 dst1Step[3],
+ BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ /**
+ * Note:
+ * Read information in function general_RGBToAVC444YUV_ANY below !
+ */
+ const BYTE* pMaxSrc = pSrc + (roi->height - 1) * srcStep;
+
+ for (UINT32 y = 0; y < roi->height; y += 2)
+ {
+ const BOOL last = (y >= (roi->height - 1));
+ const BYTE* srcEven = y < roi->height ? pSrc + y * srcStep : pMaxSrc;
+ const BYTE* srcOdd = !last ? pSrc + (y + 1) * srcStep : pMaxSrc;
+ const UINT32 i = y >> 1;
+ const UINT32 n = (i & ~7) + i;
+ BYTE* b1Even = pDst1[0] + y * dst1Step[0];
+ BYTE* b1Odd = !last ? (b1Even + dst1Step[0]) : NULL;
+ BYTE* b2 = pDst1[1] + (y / 2) * dst1Step[1];
+ BYTE* b3 = pDst1[2] + (y / 2) * dst1Step[2];
+ BYTE* b4 = pDst2[0] + dst2Step[0] * n;
+ BYTE* b5 = b4 + 8 * dst2Step[0];
+ BYTE* b6 = pDst2[1] + (y / 2) * dst2Step[1];
+ BYTE* b7 = pDst2[2] + (y / 2) * dst2Step[2];
+ general_RGBToAVC444YUV_BGRX_DOUBLE_ROW(srcEven, srcOdd, b1Even, b1Odd, b2, b3, b4, b5, b6,
+ b7, roi->width);
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE void general_RGBToAVC444YUV_RGBX_DOUBLE_ROW(
+ const BYTE* WINPR_RESTRICT srcEven, const BYTE* WINPR_RESTRICT srcOdd,
+ BYTE* WINPR_RESTRICT b1Even, BYTE* WINPR_RESTRICT b1Odd, BYTE* WINPR_RESTRICT b2,
+ BYTE* WINPR_RESTRICT b3, BYTE* WINPR_RESTRICT b4, BYTE* WINPR_RESTRICT b5,
+ BYTE* WINPR_RESTRICT b6, BYTE* WINPR_RESTRICT b7, UINT32 width)
+{
+ for (UINT32 x = 0; x < width; x += 2)
+ {
+ const BOOL lastX = (x + 1) >= width;
+ BYTE Y1e = 0;
+ BYTE Y2e = 0;
+ BYTE U1e = 0;
+ BYTE V1e = 0;
+ BYTE U2e = 0;
+ BYTE V2e = 0;
+ BYTE Y1o = 0;
+ BYTE Y2o = 0;
+ BYTE U1o = 0;
+ BYTE V1o = 0;
+ BYTE U2o = 0;
+ BYTE V2o = 0;
+ /* Read 4 pixels, 2 from even, 2 from odd lines */
+ {
+ const BYTE r = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE b = *srcEven++;
+ srcEven++;
+ Y1e = Y2e = Y1o = Y2o = RGB2Y(r, g, b);
+ U1e = U2e = U1o = U2o = RGB2U(r, g, b);
+ V1e = V2e = V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (!lastX)
+ {
+ const BYTE r = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE b = *srcEven++;
+ srcEven++;
+ Y2e = RGB2Y(r, g, b);
+ U2e = RGB2U(r, g, b);
+ V2e = RGB2V(r, g, b);
+ }
+
+ if (b1Odd)
+ {
+ const BYTE r = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE b = *srcOdd++;
+ srcOdd++;
+ Y1o = Y2o = RGB2Y(r, g, b);
+ U1o = U2o = RGB2U(r, g, b);
+ V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (b1Odd && !lastX)
+ {
+ const BYTE r = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE b = *srcOdd++;
+ srcOdd++;
+ Y2o = RGB2Y(r, g, b);
+ U2o = RGB2U(r, g, b);
+ V2o = RGB2V(r, g, b);
+ }
+
+ /* We have 4 Y pixels, so store them. */
+ *b1Even++ = Y1e;
+ *b1Even++ = Y2e;
+
+ if (b1Odd)
+ {
+ *b1Odd++ = Y1o;
+ *b1Odd++ = Y2o;
+ }
+
+ /* 2x 2y pixel in luma UV plane use averaging
+ */
+ {
+ const BYTE Uavg = ((UINT16)U1e + (UINT16)U2e + (UINT16)U1o + (UINT16)U2o) / 4;
+ const BYTE Vavg = ((UINT16)V1e + (UINT16)V2e + (UINT16)V1o + (UINT16)V2o) / 4;
+ *b2++ = Uavg;
+ *b3++ = Vavg;
+ }
+
+ /* UV from 2x, 2y+1 */
+ if (b1Odd)
+ {
+ *b4++ = U1o;
+ *b5++ = V1o;
+
+ if (!lastX)
+ {
+ *b4++ = U2o;
+ *b5++ = V2o;
+ }
+ }
+
+ /* UV from 2x+1, 2y */
+ if (!lastX)
+ {
+ *b6++ = U2e;
+ *b7++ = V2e;
+ }
+ }
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUV_RGBX(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst1[3],
+ const UINT32 dst1Step[3],
+ BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ /**
+ * Note:
+ * Read information in function general_RGBToAVC444YUV_ANY below !
+ */
+ const BYTE* pMaxSrc = pSrc + (roi->height - 1) * srcStep;
+
+ for (UINT32 y = 0; y < roi->height; y += 2)
+ {
+ const BOOL last = (y >= (roi->height - 1));
+ const BYTE* srcEven = y < roi->height ? pSrc + y * srcStep : pMaxSrc;
+ const BYTE* srcOdd = !last ? pSrc + (y + 1) * srcStep : pMaxSrc;
+ const UINT32 i = y >> 1;
+ const UINT32 n = (i & ~7) + i;
+ BYTE* b1Even = pDst1[0] + y * dst1Step[0];
+ BYTE* b1Odd = !last ? (b1Even + dst1Step[0]) : NULL;
+ BYTE* b2 = pDst1[1] + (y / 2) * dst1Step[1];
+ BYTE* b3 = pDst1[2] + (y / 2) * dst1Step[2];
+ BYTE* b4 = pDst2[0] + dst2Step[0] * n;
+ BYTE* b5 = b4 + 8 * dst2Step[0];
+ BYTE* b6 = pDst2[1] + (y / 2) * dst2Step[1];
+ BYTE* b7 = pDst2[2] + (y / 2) * dst2Step[2];
+ general_RGBToAVC444YUV_RGBX_DOUBLE_ROW(srcEven, srcOdd, b1Even, b1Odd, b2, b3, b4, b5, b6,
+ b7, roi->width);
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE void general_RGBToAVC444YUV_ANY_DOUBLE_ROW(
+ const BYTE* WINPR_RESTRICT srcEven, const BYTE* WINPR_RESTRICT srcOdd, UINT32 srcFormat,
+ BYTE* WINPR_RESTRICT b1Even, BYTE* WINPR_RESTRICT b1Odd, BYTE* WINPR_RESTRICT b2,
+ BYTE* WINPR_RESTRICT b3, BYTE* WINPR_RESTRICT b4, BYTE* WINPR_RESTRICT b5,
+ BYTE* WINPR_RESTRICT b6, BYTE* WINPR_RESTRICT b7, UINT32 width)
+{
+ const UINT32 bpp = FreeRDPGetBytesPerPixel(srcFormat);
+ for (UINT32 x = 0; x < width; x += 2)
+ {
+ const BOOL lastX = (x + 1) >= width;
+ BYTE Y1e = 0;
+ BYTE Y2e = 0;
+ BYTE U1e = 0;
+ BYTE V1e = 0;
+ BYTE U2e = 0;
+ BYTE V2e = 0;
+ BYTE Y1o = 0;
+ BYTE Y2o = 0;
+ BYTE U1o = 0;
+ BYTE V1o = 0;
+ BYTE U2o = 0;
+ BYTE V2o = 0;
+ /* Read 4 pixels, 2 from even, 2 from odd lines */
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+ const UINT32 color = FreeRDPReadColor(srcEven, srcFormat);
+ srcEven += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Y1e = Y2e = Y1o = Y2o = RGB2Y(r, g, b);
+ U1e = U2e = U1o = U2o = RGB2U(r, g, b);
+ V1e = V2e = V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (!lastX)
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+ const UINT32 color = FreeRDPReadColor(srcEven, srcFormat);
+ srcEven += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Y2e = RGB2Y(r, g, b);
+ U2e = RGB2U(r, g, b);
+ V2e = RGB2V(r, g, b);
+ }
+
+ if (b1Odd)
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+ const UINT32 color = FreeRDPReadColor(srcOdd, srcFormat);
+ srcOdd += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Y1o = Y2o = RGB2Y(r, g, b);
+ U1o = U2o = RGB2U(r, g, b);
+ V1o = V2o = RGB2V(r, g, b);
+ }
+
+ if (b1Odd && !lastX)
+ {
+ BYTE r = 0;
+ BYTE g = 0;
+ BYTE b = 0;
+ const UINT32 color = FreeRDPReadColor(srcOdd, srcFormat);
+ srcOdd += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Y2o = RGB2Y(r, g, b);
+ U2o = RGB2U(r, g, b);
+ V2o = RGB2V(r, g, b);
+ }
+
+ /* We have 4 Y pixels, so store them. */
+ *b1Even++ = Y1e;
+ *b1Even++ = Y2e;
+
+ if (b1Odd)
+ {
+ *b1Odd++ = Y1o;
+ *b1Odd++ = Y2o;
+ }
+
+ /* 2x 2y pixel in luma UV plane use averaging
+ */
+ {
+ const BYTE Uavg = ((UINT16)U1e + (UINT16)U2e + (UINT16)U1o + (UINT16)U2o) / 4;
+ const BYTE Vavg = ((UINT16)V1e + (UINT16)V2e + (UINT16)V1o + (UINT16)V2o) / 4;
+ *b2++ = Uavg;
+ *b3++ = Vavg;
+ }
+
+ /* UV from 2x, 2y+1 */
+ if (b1Odd)
+ {
+ *b4++ = U1o;
+ *b5++ = V1o;
+
+ if (!lastX)
+ {
+ *b4++ = U2o;
+ *b5++ = V2o;
+ }
+ }
+
+ /* UV from 2x+1, 2y */
+ if (!lastX)
+ {
+ *b6++ = U2e;
+ *b7++ = V2e;
+ }
+ }
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUV_ANY(
+ const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst1[3], const UINT32 dst1Step[3], BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3], const prim_size_t* WINPR_RESTRICT roi)
+{
+ /**
+ * Note: According to [MS-RDPEGFX 2.2.4.4 RFX_AVC420_BITMAP_STREAM] the
+ * width and height of the MPEG-4 AVC/H.264 codec bitstream MUST be aligned
+ * to a multiple of 16.
+ * Hence the passed destination YUV420/CHROMA420 buffers must have been
+ * allocated accordingly !!
+ */
+ /**
+ * [MS-RDPEGFX 3.3.8.3.2 YUV420p Stream Combination] defines the following "Bx areas":
+ *
+ * YUV420 frame (main view):
+ * B1: From Y444 all pixels
+ * B2: From U444 all pixels in even rows with even columns
+ * B3: From V444 all pixels in even rows with even columns
+ *
+ * Chroma420 frame (auxillary view):
+ * B45: From U444 and V444 all pixels from all odd rows
+ * (The odd U444 and V444 rows must be interleaved in 8-line blocks in B45 !!!)
+ * B6: From U444 all pixels in even rows with odd columns
+ * B7: From V444 all pixels in even rows with odd columns
+ *
+ * Microsoft's horrible unclear description in MS-RDPEGFX translated to pseudo code looks like
+ * this:
+ *
+ * for (y = 0; y < fullHeight; y++)
+ * {
+ * for (x = 0; x < fullWidth; x++)
+ * {
+ * B1[x,y] = Y444[x,y];
+ * }
+ * }
+ *
+ * for (y = 0; y < halfHeight; y++)
+ * {
+ * for (x = 0; x < halfWidth; x++)
+ * {
+ * B2[x,y] = U444[2 * x, 2 * y];
+ * B3[x,y] = V444[2 * x, 2 * y];
+ * B6[x,y] = U444[2 * x + 1, 2 * y];
+ * B7[x,y] = V444[2 * x + 1, 2 * y];
+ * }
+ * }
+ *
+ * for (y = 0; y < halfHeight; y++)
+ * {
+ * yU = (y / 8) * 16; // identify first row of correct 8-line U block in B45
+ * yU += (y % 8); // add offset rows in destination block
+ * yV = yU + 8; // the corresponding v line is always 8 rows ahead
+ *
+ * for (x = 0; x < fullWidth; x++)
+ * {
+ * B45[x,yU] = U444[x, 2 * y + 1];
+ * B45[x,yV] = V444[x, 2 * y + 1];
+ * }
+ * }
+ *
+ */
+ const BYTE* pMaxSrc = pSrc + (roi->height - 1) * srcStep;
+
+ for (UINT32 y = 0; y < roi->height; y += 2)
+ {
+ const BOOL last = (y >= (roi->height - 1));
+ const BYTE* srcEven = y < roi->height ? pSrc + y * srcStep : pMaxSrc;
+ const BYTE* srcOdd = !last ? pSrc + (y + 1) * srcStep : pMaxSrc;
+ const UINT32 i = y >> 1;
+ const UINT32 n = (i & ~7) + i;
+ BYTE* b1Even = pDst1[0] + y * dst1Step[0];
+ BYTE* b1Odd = !last ? (b1Even + dst1Step[0]) : NULL;
+ BYTE* b2 = pDst1[1] + (y / 2) * dst1Step[1];
+ BYTE* b3 = pDst1[2] + (y / 2) * dst1Step[2];
+ BYTE* b4 = pDst2[0] + dst2Step[0] * n;
+ BYTE* b5 = b4 + 8 * dst2Step[0];
+ BYTE* b6 = pDst2[1] + (y / 2) * dst2Step[1];
+ BYTE* b7 = pDst2[2] + (y / 2) * dst2Step[2];
+ general_RGBToAVC444YUV_ANY_DOUBLE_ROW(srcEven, srcOdd, srcFormat, b1Even, b1Odd, b2, b3, b4,
+ b5, b6, b7, roi->width);
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUV(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat,
+ UINT32 srcStep, BYTE* WINPR_RESTRICT pDst1[3],
+ const UINT32 dst1Step[3],
+ BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ if (!pSrc || !pDst1 || !dst1Step || !pDst2 || !dst2Step)
+ return -1;
+
+ if (!pDst1[0] || !pDst1[1] || !pDst1[2])
+ return -1;
+
+ if (!dst1Step[0] || !dst1Step[1] || !dst1Step[2])
+ return -1;
+
+ if (!pDst2[0] || !pDst2[1] || !pDst2[2])
+ return -1;
+
+ if (!dst2Step[0] || !dst2Step[1] || !dst2Step[2])
+ return -1;
+
+ switch (srcFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return general_RGBToAVC444YUV_BGRX(pSrc, srcStep, pDst1, dst1Step, pDst2, dst2Step,
+ roi);
+
+ case PIXEL_FORMAT_RGBA32:
+ case PIXEL_FORMAT_RGBX32:
+ return general_RGBToAVC444YUV_RGBX(pSrc, srcStep, pDst1, dst1Step, pDst2, dst2Step,
+ roi);
+
+ default:
+ return general_RGBToAVC444YUV_ANY(pSrc, srcFormat, srcStep, pDst1, dst1Step, pDst2,
+ dst2Step, roi);
+ }
+
+ return !PRIMITIVES_SUCCESS;
+}
+
+static INLINE void general_RGBToAVC444YUVv2_ANY_DOUBLE_ROW(
+ const BYTE* WINPR_RESTRICT srcEven, const BYTE* WINPR_RESTRICT srcOdd, UINT32 srcFormat,
+ BYTE* WINPR_RESTRICT yLumaDstEven, BYTE* WINPR_RESTRICT yLumaDstOdd,
+ BYTE* WINPR_RESTRICT uLumaDst, BYTE* WINPR_RESTRICT vLumaDst,
+ BYTE* WINPR_RESTRICT yEvenChromaDst1, BYTE* WINPR_RESTRICT yEvenChromaDst2,
+ BYTE* WINPR_RESTRICT yOddChromaDst1, BYTE* WINPR_RESTRICT yOddChromaDst2,
+ BYTE* WINPR_RESTRICT uChromaDst1, BYTE* WINPR_RESTRICT uChromaDst2,
+ BYTE* WINPR_RESTRICT vChromaDst1, BYTE* WINPR_RESTRICT vChromaDst2, UINT32 width)
+{
+ const UINT32 bpp = FreeRDPGetBytesPerPixel(srcFormat);
+
+ for (UINT32 x = 0; x < width; x += 2)
+ {
+ BYTE Ya = 0;
+ BYTE Ua = 0;
+ BYTE Va = 0;
+ BYTE Yb = 0;
+ BYTE Ub = 0;
+ BYTE Vb = 0;
+ BYTE Yc = 0;
+ BYTE Uc = 0;
+ BYTE Vc = 0;
+ BYTE Yd = 0;
+ BYTE Ud = 0;
+ BYTE Vd = 0;
+ {
+ BYTE b = 0;
+ BYTE g = 0;
+ BYTE r = 0;
+ const UINT32 color = FreeRDPReadColor(srcEven, srcFormat);
+ srcEven += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Ya = RGB2Y(r, g, b);
+ Ua = RGB2U(r, g, b);
+ Va = RGB2V(r, g, b);
+ }
+
+ if (x < width - 1)
+ {
+ BYTE b = 0;
+ BYTE g = 0;
+ BYTE r = 0;
+ const UINT32 color = FreeRDPReadColor(srcEven, srcFormat);
+ srcEven += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Yb = RGB2Y(r, g, b);
+ Ub = RGB2U(r, g, b);
+ Vb = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yb = Ya;
+ Ub = Ua;
+ Vb = Va;
+ }
+
+ if (srcOdd)
+ {
+ BYTE b = 0;
+ BYTE g = 0;
+ BYTE r = 0;
+ const UINT32 color = FreeRDPReadColor(srcOdd, srcFormat);
+ srcOdd += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Yc = RGB2Y(r, g, b);
+ Uc = RGB2U(r, g, b);
+ Vc = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yc = Ya;
+ Uc = Ua;
+ Vc = Va;
+ }
+
+ if (srcOdd && (x < width - 1))
+ {
+ BYTE b = 0;
+ BYTE g = 0;
+ BYTE r = 0;
+ const UINT32 color = FreeRDPReadColor(srcOdd, srcFormat);
+ srcOdd += bpp;
+ FreeRDPSplitColor(color, srcFormat, &r, &g, &b, NULL, NULL);
+ Yd = RGB2Y(r, g, b);
+ Ud = RGB2U(r, g, b);
+ Vd = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yd = Ya;
+ Ud = Ua;
+ Vd = Va;
+ }
+
+ /* Y [b1] */
+ *yLumaDstEven++ = Ya;
+
+ if (x < width - 1)
+ *yLumaDstEven++ = Yb;
+
+ if (srcOdd)
+ *yLumaDstOdd++ = Yc;
+
+ if (srcOdd && (x < width - 1))
+ *yLumaDstOdd++ = Yd;
+
+ /* 2x 2y [b2,b3] */
+ *uLumaDst++ = (Ua + Ub + Uc + Ud) / 4;
+ *vLumaDst++ = (Va + Vb + Vc + Vd) / 4;
+
+ /* 2x+1, y [b4,b5] even */
+ if (x < width - 1)
+ {
+ *yEvenChromaDst1++ = Ub;
+ *yEvenChromaDst2++ = Vb;
+ }
+
+ if (srcOdd)
+ {
+ /* 2x+1, y [b4,b5] odd */
+ if (x < width - 1)
+ {
+ *yOddChromaDst1++ = Ud;
+ *yOddChromaDst2++ = Vd;
+ }
+
+ /* 4x 2y+1 [b6, b7] */
+ if (x % 4 == 0)
+ {
+ *uChromaDst1++ = Uc;
+ *uChromaDst2++ = Vc;
+ }
+ /* 4x+2 2y+1 [b8, b9] */
+ else
+ {
+ *vChromaDst1++ = Uc;
+ *vChromaDst2++ = Vc;
+ }
+ }
+ }
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUVv2_ANY(
+ const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat, UINT32 srcStep,
+ BYTE* WINPR_RESTRICT pDst1[3], const UINT32 dst1Step[3], BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3], const prim_size_t* WINPR_RESTRICT roi)
+{
+ /**
+ * Note: According to [MS-RDPEGFX 2.2.4.4 RFX_AVC420_BITMAP_STREAM] the
+ * width and height of the MPEG-4 AVC/H.264 codec bitstream MUST be aligned
+ * to a multiple of 16.
+ * Hence the passed destination YUV420/CHROMA420 buffers must have been
+ * allocated accordingly !!
+ */
+ /**
+ * [MS-RDPEGFX 3.3.8.3.3 YUV420p Stream Combination for YUV444v2 mode] defines the following "Bx
+ * areas":
+ *
+ * YUV420 frame (main view):
+ * B1: From Y444 all pixels
+ * B2: From U444 all pixels in even rows with even rows and columns
+ * B3: From V444 all pixels in even rows with even rows and columns
+ *
+ * Chroma420 frame (auxillary view):
+ * B45: From U444 and V444 all pixels from all odd columns
+ * B67: From U444 and V444 every 4th pixel in odd rows
+ * B89: From U444 and V444 every 4th pixel (initial offset of 2) in odd rows
+ *
+ * Chroma Bxy areas correspond to the left and right half of the YUV420 plane.
+ * for (y = 0; y < fullHeight; y++)
+ * {
+ * for (x = 0; x < fullWidth; x++)
+ * {
+ * B1[x,y] = Y444[x,y];
+ * }
+ *
+ * for (x = 0; x < halfWidth; x++)
+ * {
+ * B4[x,y] = U444[2 * x, 2 * y];
+ * B5[x,y] = V444[2 * x, 2 * y];
+ * }
+ * }
+ *
+ * for (y = 0; y < halfHeight; y++)
+ * {
+ * for (x = 0; x < halfWidth; x++)
+ * {
+ * B2[x,y] = U444[2 * x, 2 * y];
+ * B3[x,y] = V444[2 * x, 2 * y];
+ * B6[x,y] = U444[4 * x, 2 * y + 1];
+ * B7[x,y] = V444[4 * x, 2 * y + 1];
+ * B8[x,y] = V444[4 * x + 2, 2 * y + 1];
+ * B9[x,y] = V444[4 * x + 2, 2 * y] + 1;
+ * }
+ * }
+ *
+ */
+ if (roi->height < 1 || roi->width < 1)
+ return !PRIMITIVES_SUCCESS;
+
+ for (UINT32 y = 0; y < roi->height; y += 2)
+ {
+ const BYTE* srcEven = (pSrc + y * srcStep);
+ const BYTE* srcOdd = (y < roi->height - 1) ? (srcEven + srcStep) : NULL;
+ BYTE* dstLumaYEven = (pDst1[0] + y * dst1Step[0]);
+ BYTE* dstLumaYOdd = (dstLumaYEven + dst1Step[0]);
+ BYTE* dstLumaU = (pDst1[1] + (y / 2) * dst1Step[1]);
+ BYTE* dstLumaV = (pDst1[2] + (y / 2) * dst1Step[2]);
+ BYTE* dstEvenChromaY1 = (pDst2[0] + y * dst2Step[0]);
+ BYTE* dstEvenChromaY2 = dstEvenChromaY1 + roi->width / 2;
+ BYTE* dstOddChromaY1 = dstEvenChromaY1 + dst2Step[0];
+ BYTE* dstOddChromaY2 = dstEvenChromaY2 + dst2Step[0];
+ BYTE* dstChromaU1 = (pDst2[1] + (y / 2) * dst2Step[1]);
+ BYTE* dstChromaV1 = (pDst2[2] + (y / 2) * dst2Step[2]);
+ BYTE* dstChromaU2 = dstChromaU1 + roi->width / 4;
+ BYTE* dstChromaV2 = dstChromaV1 + roi->width / 4;
+ general_RGBToAVC444YUVv2_ANY_DOUBLE_ROW(
+ srcEven, srcOdd, srcFormat, dstLumaYEven, dstLumaYOdd, dstLumaU, dstLumaV,
+ dstEvenChromaY1, dstEvenChromaY2, dstOddChromaY1, dstOddChromaY2, dstChromaU1,
+ dstChromaU2, dstChromaV1, dstChromaV2, roi->width);
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE void general_RGBToAVC444YUVv2_BGRX_DOUBLE_ROW(
+ const BYTE* WINPR_RESTRICT srcEven, const BYTE* WINPR_RESTRICT srcOdd,
+ BYTE* WINPR_RESTRICT yLumaDstEven, BYTE* WINPR_RESTRICT yLumaDstOdd,
+ BYTE* WINPR_RESTRICT uLumaDst, BYTE* WINPR_RESTRICT vLumaDst,
+ BYTE* WINPR_RESTRICT yEvenChromaDst1, BYTE* WINPR_RESTRICT yEvenChromaDst2,
+ BYTE* WINPR_RESTRICT yOddChromaDst1, BYTE* WINPR_RESTRICT yOddChromaDst2,
+ BYTE* WINPR_RESTRICT uChromaDst1, BYTE* WINPR_RESTRICT uChromaDst2,
+ BYTE* WINPR_RESTRICT vChromaDst1, BYTE* WINPR_RESTRICT vChromaDst2, UINT32 width)
+{
+ for (UINT32 x = 0; x < width; x += 2)
+ {
+ BYTE Ya = 0;
+ BYTE Ua = 0;
+ BYTE Va = 0;
+ BYTE Yb = 0;
+ BYTE Ub = 0;
+ BYTE Vb = 0;
+ BYTE Yc = 0;
+ BYTE Uc = 0;
+ BYTE Vc = 0;
+ BYTE Yd = 0;
+ BYTE Ud = 0;
+ BYTE Vd = 0;
+ {
+ const BYTE b = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE r = *srcEven++;
+ srcEven++;
+ Ya = RGB2Y(r, g, b);
+ Ua = RGB2U(r, g, b);
+ Va = RGB2V(r, g, b);
+ }
+
+ if (x < width - 1)
+ {
+ const BYTE b = *srcEven++;
+ const BYTE g = *srcEven++;
+ const BYTE r = *srcEven++;
+ srcEven++;
+ Yb = RGB2Y(r, g, b);
+ Ub = RGB2U(r, g, b);
+ Vb = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yb = Ya;
+ Ub = Ua;
+ Vb = Va;
+ }
+
+ if (srcOdd)
+ {
+ const BYTE b = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE r = *srcOdd++;
+ srcOdd++;
+ Yc = RGB2Y(r, g, b);
+ Uc = RGB2U(r, g, b);
+ Vc = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yc = Ya;
+ Uc = Ua;
+ Vc = Va;
+ }
+
+ if (srcOdd && (x < width - 1))
+ {
+ const BYTE b = *srcOdd++;
+ const BYTE g = *srcOdd++;
+ const BYTE r = *srcOdd++;
+ srcOdd++;
+ Yd = RGB2Y(r, g, b);
+ Ud = RGB2U(r, g, b);
+ Vd = RGB2V(r, g, b);
+ }
+ else
+ {
+ Yd = Ya;
+ Ud = Ua;
+ Vd = Va;
+ }
+
+ /* Y [b1] */
+ *yLumaDstEven++ = Ya;
+
+ if (x < width - 1)
+ *yLumaDstEven++ = Yb;
+
+ if (srcOdd)
+ *yLumaDstOdd++ = Yc;
+
+ if (srcOdd && (x < width - 1))
+ *yLumaDstOdd++ = Yd;
+
+ /* 2x 2y [b2,b3] */
+ *uLumaDst++ = (Ua + Ub + Uc + Ud) / 4;
+ *vLumaDst++ = (Va + Vb + Vc + Vd) / 4;
+
+ /* 2x+1, y [b4,b5] even */
+ if (x < width - 1)
+ {
+ *yEvenChromaDst1++ = Ub;
+ *yEvenChromaDst2++ = Vb;
+ }
+
+ if (srcOdd)
+ {
+ /* 2x+1, y [b4,b5] odd */
+ if (x < width - 1)
+ {
+ *yOddChromaDst1++ = Ud;
+ *yOddChromaDst2++ = Vd;
+ }
+
+ /* 4x 2y+1 [b6, b7] */
+ if (x % 4 == 0)
+ {
+ *uChromaDst1++ = Uc;
+ *uChromaDst2++ = Vc;
+ }
+ /* 4x+2 2y+1 [b8, b9] */
+ else
+ {
+ *vChromaDst1++ = Uc;
+ *vChromaDst2++ = Vc;
+ }
+ }
+ }
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUVv2_BGRX(const BYTE* WINPR_RESTRICT pSrc,
+ UINT32 srcStep, BYTE* WINPR_RESTRICT pDst1[3],
+ const UINT32 dst1Step[3],
+ BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ if (roi->height < 1 || roi->width < 1)
+ return !PRIMITIVES_SUCCESS;
+
+ for (UINT32 y = 0; y < roi->height; y += 2)
+ {
+ const BYTE* srcEven = (pSrc + y * srcStep);
+ const BYTE* srcOdd = (y < roi->height - 1) ? (srcEven + srcStep) : NULL;
+ BYTE* dstLumaYEven = (pDst1[0] + y * dst1Step[0]);
+ BYTE* dstLumaYOdd = (dstLumaYEven + dst1Step[0]);
+ BYTE* dstLumaU = (pDst1[1] + (y / 2) * dst1Step[1]);
+ BYTE* dstLumaV = (pDst1[2] + (y / 2) * dst1Step[2]);
+ BYTE* dstEvenChromaY1 = (pDst2[0] + y * dst2Step[0]);
+ BYTE* dstEvenChromaY2 = dstEvenChromaY1 + roi->width / 2;
+ BYTE* dstOddChromaY1 = dstEvenChromaY1 + dst2Step[0];
+ BYTE* dstOddChromaY2 = dstEvenChromaY2 + dst2Step[0];
+ BYTE* dstChromaU1 = (pDst2[1] + (y / 2) * dst2Step[1]);
+ BYTE* dstChromaV1 = (pDst2[2] + (y / 2) * dst2Step[2]);
+ BYTE* dstChromaU2 = dstChromaU1 + roi->width / 4;
+ BYTE* dstChromaV2 = dstChromaV1 + roi->width / 4;
+ general_RGBToAVC444YUVv2_BGRX_DOUBLE_ROW(
+ srcEven, srcOdd, dstLumaYEven, dstLumaYOdd, dstLumaU, dstLumaV, dstEvenChromaY1,
+ dstEvenChromaY2, dstOddChromaY1, dstOddChromaY2, dstChromaU1, dstChromaU2, dstChromaV1,
+ dstChromaV2, roi->width);
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static INLINE pstatus_t general_RGBToAVC444YUVv2(const BYTE* WINPR_RESTRICT pSrc, UINT32 srcFormat,
+ UINT32 srcStep, BYTE* WINPR_RESTRICT pDst1[3],
+ const UINT32 dst1Step[3],
+ BYTE* WINPR_RESTRICT pDst2[3],
+ const UINT32 dst2Step[3],
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ switch (srcFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return general_RGBToAVC444YUVv2_BGRX(pSrc, srcStep, pDst1, dst1Step, pDst2, dst2Step,
+ roi);
+
+ default:
+ return general_RGBToAVC444YUVv2_ANY(pSrc, srcFormat, srcStep, pDst1, dst1Step, pDst2,
+ dst2Step, roi);
+ }
+
+ return !PRIMITIVES_SUCCESS;
+}
+
+void primitives_init_YUV(primitives_t* WINPR_RESTRICT 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;
+ prims->RGBToAVC444YUV = general_RGBToAVC444YUV;
+ prims->RGBToAVC444YUVv2 = general_RGBToAVC444YUVv2;
+}