libfreerdp-primitives: integrate H264 SSE3 color converter
This commit is contained in:
Marc-André Moreau
parent
666919d157
commit
bcf1266f51
@ -44,31 +44,12 @@ struct _H264_CONTEXT
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{
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BOOL Compressor;
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//BYTE* data;
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//UINT32 size;
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UINT32 width;
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UINT32 height;
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//int scanline;
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BYTE* pYUVData[3];
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int iStride[3];
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/*
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<<<<<<< HEAD
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#ifdef WITH_OPENH264
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ISVCDecoder* pDecoder;
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BYTE* pYUVData[3];
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int iStride[2];
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#endif
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#ifdef WITH_LIBAVCODEC
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AVCodec* codec;
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AVCodecContext* codecContext;
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AVCodecParserContext* codecParser;
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AVFrame* videoFrame;
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#endif
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=======
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*/
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void* pSystemData;
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H264_CONTEXT_SUBSYSTEM* subsystem;
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};
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@ -28,9 +28,6 @@
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#include <freerdp/primitives.h>
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#include <freerdp/codec/h264.h>
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#include <sys/time.h>
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/**
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* Dummy subsystem
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*/
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@ -87,8 +84,6 @@ static int openh264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSiz
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SSysMEMBuffer* pSystemBuffer;
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H264_CONTEXT_OPENH264* sys = (H264_CONTEXT_OPENH264*) h264->pSystemData;
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struct timeval T1,T2;
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if (!sys->pDecoder)
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return -1;
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@ -102,7 +97,6 @@ static int openh264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSiz
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ZeroMemory(&sBufferInfo, sizeof(sBufferInfo));
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gettimeofday(&T1,NULL);
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state = (*sys->pDecoder)->DecodeFrame2(
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sys->pDecoder,
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pSrcData,
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@ -119,9 +113,6 @@ static int openh264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSiz
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if (sBufferInfo.iBufferStatus != 1)
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state = (*sys->pDecoder)->DecodeFrame2(sys->pDecoder, NULL, 0, h264->pYUVData, &sBufferInfo);
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gettimeofday(&T2,NULL);
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printf("OpenH264: decoding took: %u sec %u usec\n",(unsigned int)(T2.tv_sec-T1.tv_sec),(unsigned int)(T2.tv_usec-T1.tv_usec));
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pSystemBuffer = &sBufferInfo.UsrData.sSystemBuffer;
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@ -285,18 +276,12 @@ static int libavcodec_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcS
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AVPacket packet;
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H264_CONTEXT_LIBAVCODEC* sys = (H264_CONTEXT_LIBAVCODEC*) h264->pSystemData;
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struct timeval T1,T2;
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av_init_packet(&packet);
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packet.data = pSrcData;
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packet.size = SrcSize;
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gettimeofday(&T1,NULL);
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status = avcodec_decode_video2(sys->codecContext, sys->videoFrame, &gotFrame, &packet);
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gettimeofday(&T2,NULL);
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printf("libavcodec: decoding took: %u sec %u usec\n",(unsigned int)(T2.tv_sec-T1.tv_sec),(unsigned int)(T2.tv_usec-T1.tv_usec));
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if (status < 0)
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{
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@ -437,20 +422,18 @@ static H264_CONTEXT_SUBSYSTEM g_Subsystem_libavcodec =
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int h264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize,
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BYTE** ppDstData, DWORD DstFormat, int nDstStep, int nDstHeight, RDPGFX_RECT16* regionRects, int numRegionRects)
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{
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int index;
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int status;
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int* iStride;
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BYTE* pDstData;
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BYTE* pDstPoint;
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prim_size_t roi;
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BYTE** pYUVData;
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int width, height;
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BYTE* pYUVPoint[3];
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RDPGFX_RECT16* rect;
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int* iStride;
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int ret, i, cx, cy;
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int UncompressedSize;
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primitives_t *prims = primitives_get();
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prim_size_t roi;
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struct timeval T1,T2;
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if (!h264)
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return -1;
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@ -463,23 +446,23 @@ int h264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize,
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if (!(pDstData = *ppDstData))
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return -1;
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if ((ret = h264->subsystem->Decompress(h264, pSrcData, SrcSize)) < 0)
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return ret;
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if ((status = h264->subsystem->Decompress(h264, pSrcData, SrcSize)) < 0)
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return status;
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UncompressedSize = h264->width * h264->height * 4;
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if (UncompressedSize > (nDstStep * nDstHeight))
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return -1;
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pYUVData = h264->pYUVData;
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iStride = h264->iStride;
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gettimeofday(&T1,NULL);
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for (i = 0; i < numRegionRects; i++){
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rect = &(regionRects[i]);
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cx = rect->right - rect->left;
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cy = rect->bottom - rect->top;
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for (index = 0; index < numRegionRects; index++)
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{
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rect = &(regionRects[index]);
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width = rect->right - rect->left;
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height = rect->bottom - rect->top;
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pDstPoint = pDstData + rect->top * nDstStep + rect->left * 4;
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pYUVPoint[0] = pYUVData[0] + rect->top * iStride[0] + rect->left;
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@ -488,17 +471,15 @@ int h264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize,
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pYUVPoint[2] = pYUVData[2] + rect->top/2 * iStride[2] + rect->left/2;
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#if 0
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printf("regionRect: x: %d, y: %d, cx: %d, cy: %d\n",
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rect->left, rect->top, cx, cy);
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printf("regionRect: x: %d y: %d width: %d height: %d\n",
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rect->left, rect->top, width, height);
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#endif
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roi.width = cx;
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roi.height = cy;
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roi.width = width;
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roi.height = height;
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prims->YUV420ToRGB_8u_P3AC4R((const BYTE**) pYUVPoint, iStride, pDstPoint, nDstStep, &roi);
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}
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gettimeofday(&T2,NULL);
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printf("converting took %u sec %u usec\n",(unsigned int)(T2.tv_sec-T1.tv_sec),(unsigned int)(T2.tv_usec-T1.tv_usec));
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return 1;
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}
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@ -27,6 +27,16 @@
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#include "prim_internal.h"
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#include "prim_YUV.h"
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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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* | 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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pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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BYTE* pDst, int dstStep, const prim_size_t* roi)
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{
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@ -45,14 +55,14 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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int Vp403, Vp120;
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BYTE* pRGB = pDst;
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int nWidth, nHeight;
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int last_line, last_column;
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int 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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last_column = roi->width & 0x01;
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last_line = roi->height & 0x01;
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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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@ -68,15 +78,13 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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for (y = 0; y < halfHeight; )
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{
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y++;
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if (y == halfHeight)
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last_line = last_line << 1;
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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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x++;
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if (x == halfWidth)
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last_column = last_column << 1;
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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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@ -121,7 +129,7 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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/* 2nd pixel */
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if (!(last_column & 0x02))
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if (!(lastCol & 0x02))
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{
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Y = *pY++;
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Yp = Y << 8;
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@ -154,7 +162,7 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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{
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pY++;
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pRGB += 4;
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last_column = last_column >> 1;
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lastCol >>= 1;
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}
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}
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@ -165,9 +173,8 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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for (x = 0; x < halfWidth; )
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{
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x++;
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if (x == halfWidth)
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last_column = last_column << 1;
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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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@ -212,7 +219,7 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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/* 4th pixel */
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if(!(last_column & 0x02))
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if (!(lastCol & 0x02))
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{
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Y = *pY++;
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Yp = Y << 8;
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@ -245,7 +252,7 @@ pstatus_t general_YUV420ToRGB_8u_P3AC4R(const BYTE* pSrc[3], int srcStep[3],
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{
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pY++;
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pRGB += 4;
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last_column = last_column >> 1;
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lastCol >>= 1;
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}
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}
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@ -25,73 +25,68 @@
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pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
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BYTE *pDst, int dstStep, const prim_size_t *roi)
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{
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char last_line,last_column;
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/* last_line: if the last (U,V doubled) line should be skipped, set to 10B
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* last_column: if it's the last column in a line, set to 10B (for handling line-endings not multiple by four) */
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int i,nWidth,nHeight,VaddDst,VaddY,VaddU,VaddV;
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int lastRow, lastCol;
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BYTE *UData,*VData,*YData;
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int i,nWidth,nHeight,VaddDst,VaddY,VaddU,VaddV;
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__m128i r0,r1,r2,r3,r4,r5,r6,r7;
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__m128i *buffer;
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/* last_line: if the last (U,V doubled) line should be skipped, set to 10B
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* last_column: if it's the last column in a line, set to 10B (for handling line-endings not multiple by four) */
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buffer = _aligned_malloc(4 * 16, 16);
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buffer=_aligned_malloc(4*16,16);
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YData = (BYTE*) pSrc[0];
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UData = (BYTE*) pSrc[1];
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VData = (BYTE*) pSrc[2];
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nWidth = roi->width;
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nHeight = roi->height;
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YData=(BYTE *)pSrc[0];
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UData=(BYTE *)pSrc[1];
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VData=(BYTE *)pSrc[2];
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nWidth=roi->width;
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nHeight=roi->height;
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if((last_column=nWidth&3)){
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switch(last_column){
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case 1: r7=_mm_set_epi32(0,0,0,0xFFFFFFFF); break;
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case 2: r7=_mm_set_epi32(0,0,0xFFFFFFFF,0xFFFFFFFF); break;
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case 3: r7=_mm_set_epi32(0,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF); break;
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if ((lastCol = (nWidth & 3)))
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{
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switch (lastCol)
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{
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case 1:
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r7 = _mm_set_epi32(0,0,0,0xFFFFFFFF);
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break;
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case 2:
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r7 = _mm_set_epi32(0,0,0xFFFFFFFF,0xFFFFFFFF);
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break;
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case 3:
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r7 = _mm_set_epi32(0,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF);
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break;
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}
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_mm_store_si128(buffer+3,r7);
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last_column=1;
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lastCol = 1;
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}
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nWidth+=3;
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nWidth=nWidth>>2;
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nWidth += 3;
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nWidth = nWidth >> 2;
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last_line=nHeight&1;
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lastRow = nHeight & 1;
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nHeight++;
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nHeight=nHeight>>1;
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nHeight = nHeight >> 1;
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VaddDst = (dstStep << 1) - (nWidth << 4);
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VaddY = (srcStep[0] << 1) - (nWidth << 2);
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VaddU = srcStep[1] - (((nWidth << 1) + 2) & 0xFFFC);
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VaddV = srcStep[2] - (((nWidth << 1) + 2) & 0xFFFC);
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VaddDst=(dstStep<<1)-(nWidth<<4);
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VaddY=(srcStep[0]<<1)-(nWidth<<2);
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VaddU=srcStep[1]-(((nWidth<<1)+2)&0xFFFC);
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VaddV=srcStep[2]-(((nWidth<<1)+2)&0xFFFC);
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while(nHeight-- >0){
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if(nHeight==0){
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last_line=last_line<<1;
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}
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while (nHeight-- > 0)
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{
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if (nHeight == 0)
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lastRow <<= 1;
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i = 0;
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i=0;
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do{
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/*
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* Well, in the end it should look like this:
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* C = Y;
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* D = U - 128;
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* E = V - 128;
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*
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* R = clip(( 256 * C + 403 * E + 128) >> 8);
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* G = clip(( 256 * C - 48 * D - 120 * E + 128) >> 8);
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* B = clip(( 256 * C + 475 * D + 128) >> 8);
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*/
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if(!(i&0x01)){
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do
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{
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if (!(i & 0x01))
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{
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/* Y-, U- and V-data is stored in different arrays.
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* We start with processing U-data.
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*
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@ -99,50 +94,48 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
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* 0d0d 0c0c 0b0b 0a0a
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* we've done two things: converting the values to signed words and duplicating
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* each value, because always two pixel "share" the same U- (and V-) data */
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r0=_mm_cvtsi32_si128(*(UINT32 *)UData);
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r5=_mm_set_epi32(0x80038003,0x80028002,0x80018001,0x80008000);
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r0=_mm_shuffle_epi8(r0,r5);
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r0 = _mm_cvtsi32_si128(*(UINT32 *)UData);
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r5 = _mm_set_epi32(0x80038003,0x80028002,0x80018001,0x80008000);
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r0 = _mm_shuffle_epi8(r0,r5);
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UData+=4;
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UData += 4;
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/* then we subtract 128 from each value, so we get D */
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r3=_mm_set_epi16(128,128,128,128,128,128,128,128);
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r0=_mm_subs_epi16(r0,r3);
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r3 = _mm_set_epi16(128,128,128,128,128,128,128,128);
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r0 = _mm_subs_epi16(r0,r3);
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/* we need to do two things with our D, so let's store it for later use */
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r2=r0;
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r2 = r0;
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/* now we can multiply our D with 48 and unpack it to xmm4:xmm0
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* this is what we need to get G data later on */
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r4=r0;
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r7=_mm_set_epi16(48,48,48,48,48,48,48,48);
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r0=_mm_mullo_epi16(r0,r7);
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r4=_mm_mulhi_epi16(r4,r7);
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r7=r0;
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r0=_mm_unpacklo_epi16(r0,r4);
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r4=_mm_unpackhi_epi16(r7,r4);
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r4 = r0;
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r7 = _mm_set_epi16(48,48,48,48,48,48,48,48);
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r0 = _mm_mullo_epi16(r0,r7);
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r4 = _mm_mulhi_epi16(r4,r7);
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r7 = r0;
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r0 = _mm_unpacklo_epi16(r0,r4);
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r4 = _mm_unpackhi_epi16(r7,r4);
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/* to complete this step, add (?) 128 to each value (rounding ?!)
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* yeah, add. in the end this will be subtracted from something,
|
||||
* because it's part of G: 256*C - (48*D + 120*E - 128), 48*D-128 !
|
||||
* by the way, our values have become signed dwords during multiplication! */
|
||||
r6=_mm_set_epi32(128,128,128,128);
|
||||
r0=_mm_sub_epi32(r0,r6);
|
||||
r4=_mm_sub_epi32(r4,r6);
|
||||
|
||||
r6 = _mm_set_epi32(128,128,128,128);
|
||||
r0 = _mm_sub_epi32(r0,r6);
|
||||
r4 = _mm_sub_epi32(r4,r6);
|
||||
|
||||
/* to get B data, we need to prepare a secound value, D*475+128 */
|
||||
r1=r2;
|
||||
r7=_mm_set_epi16(475,475,475,475,475,475,475,475);
|
||||
r1=_mm_mullo_epi16(r1,r7);
|
||||
r2=_mm_mulhi_epi16(r2,r7);
|
||||
r7=r1;
|
||||
r1=_mm_unpacklo_epi16(r1,r2);
|
||||
r7=_mm_unpackhi_epi16(r7,r2);
|
||||
r1 = r2;
|
||||
r7 = _mm_set_epi16(475,475,475,475,475,475,475,475);
|
||||
r1 = _mm_mullo_epi16(r1,r7);
|
||||
r2 = _mm_mulhi_epi16(r2,r7);
|
||||
r7 = r1;
|
||||
r1 = _mm_unpacklo_epi16(r1,r2);
|
||||
r7 = _mm_unpackhi_epi16(r7,r2);
|
||||
|
||||
r1=_mm_add_epi32(r1,r6);
|
||||
r7=_mm_add_epi32(r7,r6);
|
||||
r1 = _mm_add_epi32(r1,r6);
|
||||
r7 = _mm_add_epi32(r7,r6);
|
||||
|
||||
/* so we got something like this: xmm7:xmm1
|
||||
* this pair contains values for 16 pixel:
|
||||
@ -151,76 +144,74 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
|
||||
_mm_store_si128(buffer+1,r7);
|
||||
|
||||
/* Now we've prepared U-data. Preparing V-data is actually the same, just with other coefficients */
|
||||
r2=_mm_cvtsi32_si128(*(UINT32 *)VData);
|
||||
r2=_mm_shuffle_epi8(r2,r5);
|
||||
r2 = _mm_cvtsi32_si128(*(UINT32 *)VData);
|
||||
r2 = _mm_shuffle_epi8(r2,r5);
|
||||
|
||||
VData+=4;
|
||||
VData += 4;
|
||||
|
||||
r2=_mm_subs_epi16(r2,r3);
|
||||
|
||||
r5=r2;
|
||||
r2 = _mm_subs_epi16(r2,r3);
|
||||
|
||||
r5 = r2;
|
||||
|
||||
/* this is also known as E*403+128, we need it to convert R data */
|
||||
r3=r2;
|
||||
r7=_mm_set_epi16(403,403,403,403,403,403,403,403);
|
||||
r2=_mm_mullo_epi16(r2,r7);
|
||||
r3=_mm_mulhi_epi16(r3,r7);
|
||||
r7=r2;
|
||||
r2=_mm_unpacklo_epi16(r2,r3);
|
||||
r7=_mm_unpackhi_epi16(r7,r3);
|
||||
r3 = r2;
|
||||
r7 = _mm_set_epi16(403,403,403,403,403,403,403,403);
|
||||
r2 = _mm_mullo_epi16(r2,r7);
|
||||
r3 = _mm_mulhi_epi16(r3,r7);
|
||||
r7 = r2;
|
||||
r2 = _mm_unpacklo_epi16(r2,r3);
|
||||
r7 = _mm_unpackhi_epi16(r7,r3);
|
||||
|
||||
r2=_mm_add_epi32(r2,r6);
|
||||
r7=_mm_add_epi32(r7,r6);
|
||||
r2 = _mm_add_epi32(r2,r6);
|
||||
r7 = _mm_add_epi32(r7,r6);
|
||||
|
||||
/* and preserve upper four values for future ... */
|
||||
_mm_store_si128(buffer+2,r7);
|
||||
|
||||
|
||||
|
||||
/* doing this step: E*120 */
|
||||
r3=r5;
|
||||
r7=_mm_set_epi16(120,120,120,120,120,120,120,120);
|
||||
r3=_mm_mullo_epi16(r3,r7);
|
||||
r5=_mm_mulhi_epi16(r5,r7);
|
||||
r7=r3;
|
||||
r3=_mm_unpacklo_epi16(r3,r5);
|
||||
r7=_mm_unpackhi_epi16(r7,r5);
|
||||
r3 = r5;
|
||||
r7 = _mm_set_epi16(120,120,120,120,120,120,120,120);
|
||||
r3 = _mm_mullo_epi16(r3,r7);
|
||||
r5 = _mm_mulhi_epi16(r5,r7);
|
||||
r7 = r3;
|
||||
r3 = _mm_unpacklo_epi16(r3,r5);
|
||||
r7 = _mm_unpackhi_epi16(r7,r5);
|
||||
|
||||
/* now we complete what we've begun above:
|
||||
* (48*D-128) + (120*E) = (48*D +120*E -128) */
|
||||
r0=_mm_add_epi32(r0,r3);
|
||||
r4=_mm_add_epi32(r4,r7);
|
||||
r0 = _mm_add_epi32(r0,r3);
|
||||
r4 = _mm_add_epi32(r4,r7);
|
||||
|
||||
/* and store to memory ! */
|
||||
_mm_store_si128(buffer,r4);
|
||||
}else{
|
||||
}
|
||||
else
|
||||
{
|
||||
/* maybe you've wondered about the conditional above ?
|
||||
* Well, we prepared UV data for eight pixel in each line, but can only process four
|
||||
* per loop. So we need to load the upper four pixel data from memory each secound loop! */
|
||||
r1=_mm_load_si128(buffer+1);
|
||||
r2=_mm_load_si128(buffer+2);
|
||||
r0=_mm_load_si128(buffer);
|
||||
r1 = _mm_load_si128(buffer+1);
|
||||
r2 = _mm_load_si128(buffer+2);
|
||||
r0 = _mm_load_si128(buffer);
|
||||
}
|
||||
|
||||
if(++i==nWidth)
|
||||
last_column=last_column<<1;
|
||||
if (++i == nWidth)
|
||||
lastCol <<= 1;
|
||||
|
||||
/* We didn't produce any output yet, so let's do so!
|
||||
* Ok, fetch four pixel from the Y-data array and shuffle them like this:
|
||||
* 00d0 00c0 00b0 00a0, to get signed dwords and multiply by 256 */
|
||||
r4=_mm_cvtsi32_si128(*(UINT32 *)YData);
|
||||
r7=_mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
|
||||
r4=_mm_shuffle_epi8(r4,r7);
|
||||
r4 = _mm_cvtsi32_si128(*(UINT32 *)YData);
|
||||
r7 = _mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
|
||||
r4 = _mm_shuffle_epi8(r4,r7);
|
||||
|
||||
r5=r4;
|
||||
r6=r4;
|
||||
r5 = r4;
|
||||
r6 = r4;
|
||||
|
||||
/* no we can perform the "real" conversion itself and produce output! */
|
||||
r4=_mm_add_epi32(r4,r2);
|
||||
r5=_mm_sub_epi32(r5,r0);
|
||||
r6=_mm_add_epi32(r6,r1);
|
||||
|
||||
r4 = _mm_add_epi32(r4,r2);
|
||||
r5 = _mm_sub_epi32(r5,r0);
|
||||
r6 = _mm_add_epi32(r6,r1);
|
||||
|
||||
/* in the end, we only need bytes for RGB values.
|
||||
* So, what do we do? right! shifting left makes values bigger and thats always good.
|
||||
@ -228,9 +219,9 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
|
||||
* as packed words, we get not only signed words, but do also divide by 256
|
||||
* imagine, data is now ordered this way: ddx0 ccx0 bbx0 aax0, and x is the least
|
||||
* significant byte, that we don't need anymore, because we've done some rounding */
|
||||
r4=_mm_slli_epi32(r4,8);
|
||||
r5=_mm_slli_epi32(r5,8);
|
||||
r6=_mm_slli_epi32(r6,8);
|
||||
r4 = _mm_slli_epi32(r4,8);
|
||||
r5 = _mm_slli_epi32(r5,8);
|
||||
r6 = _mm_slli_epi32(r6,8);
|
||||
|
||||
/* one thing we still have to face is the clip() function ...
|
||||
* we have still signed words, and there are those min/max instructions in SSE2 ...
|
||||
@ -238,128 +229,125 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
|
||||
* and it operates with signs !
|
||||
* if we feed it with our values and zeros, it takes the zeros if our values are smaller than
|
||||
* zero and otherwise our values */
|
||||
r7=_mm_set_epi32(0,0,0,0);
|
||||
r4=_mm_max_epi16(r4,r7);
|
||||
r5=_mm_max_epi16(r5,r7);
|
||||
r6=_mm_max_epi16(r6,r7);
|
||||
r7 = _mm_set_epi32(0,0,0,0);
|
||||
r4 = _mm_max_epi16(r4,r7);
|
||||
r5 = _mm_max_epi16(r5,r7);
|
||||
r6 = _mm_max_epi16(r6,r7);
|
||||
|
||||
/* the same thing just completely different can be used to limit our values to 255,
|
||||
* but now using the min instruction and 255s */
|
||||
r7=_mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4=_mm_min_epi16(r4,r7);
|
||||
r5=_mm_min_epi16(r5,r7);
|
||||
r6=_mm_min_epi16(r6,r7);
|
||||
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4 = _mm_min_epi16(r4,r7);
|
||||
r5 = _mm_min_epi16(r5,r7);
|
||||
r6 = _mm_min_epi16(r6,r7);
|
||||
|
||||
/* Now we got our bytes.
|
||||
* the moment has come to assemble the three channels R,G and B to the xrgb dwords
|
||||
* on Red channel we just have to and each futural dword with 00FF0000H */
|
||||
//r7=_mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4=_mm_and_si128(r4,r7);
|
||||
r4 = _mm_and_si128(r4,r7);
|
||||
|
||||
/* on Green channel we have to shuffle somehow, so we get something like this:
|
||||
* 00d0 00c0 00b0 00a0 */
|
||||
r7=_mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
|
||||
r5=_mm_shuffle_epi8(r5,r7);
|
||||
r7 = _mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
|
||||
r5 = _mm_shuffle_epi8(r5,r7);
|
||||
|
||||
/* and on Blue channel that one:
|
||||
* 000d 000c 000b 000a */
|
||||
r7=_mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
|
||||
r6=_mm_shuffle_epi8(r6,r7);
|
||||
|
||||
r7 = _mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
|
||||
r6 = _mm_shuffle_epi8(r6,r7);
|
||||
|
||||
/* and at last we or it together and get this one:
|
||||
* xrgb xrgb xrgb xrgb */
|
||||
r4=_mm_or_si128(r4,r5);
|
||||
r4=_mm_or_si128(r4,r6);
|
||||
|
||||
r4 = _mm_or_si128(r4,r5);
|
||||
r4 = _mm_or_si128(r4,r6);
|
||||
|
||||
/* Only thing to do know is writing data to memory, but this gets a bit more
|
||||
* complicated if the width is not a multiple of four and it is the last column in line. */
|
||||
if(last_column&0x02){
|
||||
if (lastCol & 0x02)
|
||||
{
|
||||
/* let's say, we need to only convert six pixel in width
|
||||
* Ok, the first 4 pixel will be converted just like every 4 pixel else, but
|
||||
* if it's the last loop in line, last_column is shifted left by one (curious? have a look above),
|
||||
* and we land here. Through initialisation a mask was prepared. In this case it looks like
|
||||
* 0000FFFFH 0000FFFFH 0000FFFFH 0000FFFFH */
|
||||
r6=_mm_load_si128(buffer+3);
|
||||
r6 = _mm_load_si128(buffer+3);
|
||||
/* we and our output data with this mask to get only the valid pixel */
|
||||
r4=_mm_and_si128(r4,r6);
|
||||
r4 = _mm_and_si128(r4,r6);
|
||||
/* then we fetch memory from the destination array ... */
|
||||
r5=_mm_lddqu_si128((__m128i *)pDst);
|
||||
r5 = _mm_lddqu_si128((__m128i *)pDst);
|
||||
/* ... and and it with the inverse mask. We get only those pixel, which should not be updated */
|
||||
r6=_mm_andnot_si128(r6,r5);
|
||||
r6 = _mm_andnot_si128(r6,r5);
|
||||
/* we only have to or the two values together and write it back to the destination array,
|
||||
* and only the pixel that should be updated really get changed. */
|
||||
r4=_mm_or_si128(r4,r6);
|
||||
r4 = _mm_or_si128(r4,r6);
|
||||
}
|
||||
_mm_storeu_si128((__m128i *)pDst,r4);
|
||||
|
||||
|
||||
if(!(last_line&0x02)){
|
||||
if (!(lastRow & 0x02))
|
||||
{
|
||||
/* Because UV data is the same for two lines, we can process the secound line just here,
|
||||
* in the same loop. Only thing we need to do is to add some offsets to the Y- and destination
|
||||
* pointer. These offsets are iStride[0] and the target scanline.
|
||||
* But if we don't need to process the secound line, like if we are in the last line of processing nine lines,
|
||||
* we just skip all this. */
|
||||
r4=_mm_cvtsi32_si128(*(UINT32 *)(YData+srcStep[0]));
|
||||
r7=_mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
|
||||
r4=_mm_shuffle_epi8(r4,r7);
|
||||
r4 = _mm_cvtsi32_si128(*(UINT32 *)(YData+srcStep[0]));
|
||||
r7 = _mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
|
||||
r4 = _mm_shuffle_epi8(r4,r7);
|
||||
|
||||
r5=r4;
|
||||
r6=r4;
|
||||
r5 = r4;
|
||||
r6 = r4;
|
||||
|
||||
r4=_mm_add_epi32(r4,r2);
|
||||
r5=_mm_sub_epi32(r5,r0);
|
||||
r6=_mm_add_epi32(r6,r1);
|
||||
r4 = _mm_add_epi32(r4,r2);
|
||||
r5 = _mm_sub_epi32(r5,r0);
|
||||
r6 = _mm_add_epi32(r6,r1);
|
||||
|
||||
r4 = _mm_slli_epi32(r4,8);
|
||||
r5 = _mm_slli_epi32(r5,8);
|
||||
r6 = _mm_slli_epi32(r6,8);
|
||||
|
||||
r4=_mm_slli_epi32(r4,8);
|
||||
r5=_mm_slli_epi32(r5,8);
|
||||
r6=_mm_slli_epi32(r6,8);
|
||||
r7 = _mm_set_epi32(0,0,0,0);
|
||||
r4 = _mm_max_epi16(r4,r7);
|
||||
r5 = _mm_max_epi16(r5,r7);
|
||||
r6 = _mm_max_epi16(r6,r7);
|
||||
|
||||
r7=_mm_set_epi32(0,0,0,0);
|
||||
r4=_mm_max_epi16(r4,r7);
|
||||
r5=_mm_max_epi16(r5,r7);
|
||||
r6=_mm_max_epi16(r6,r7);
|
||||
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4 = _mm_min_epi16(r4,r7);
|
||||
r5 = _mm_min_epi16(r5,r7);
|
||||
r6 = _mm_min_epi16(r6,r7);
|
||||
|
||||
r7=_mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4=_mm_min_epi16(r4,r7);
|
||||
r5=_mm_min_epi16(r5,r7);
|
||||
r6=_mm_min_epi16(r6,r7);
|
||||
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4 = _mm_and_si128(r4,r7);
|
||||
|
||||
r7=_mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
|
||||
r4=_mm_and_si128(r4,r7);
|
||||
r7 = _mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
|
||||
r5 = _mm_shuffle_epi8(r5,r7);
|
||||
|
||||
r7=_mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
|
||||
r5=_mm_shuffle_epi8(r5,r7);
|
||||
r7 = _mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
|
||||
r6 = _mm_shuffle_epi8(r6,r7);
|
||||
|
||||
r7=_mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
|
||||
r6=_mm_shuffle_epi8(r6,r7);
|
||||
r4 = _mm_or_si128(r4,r5);
|
||||
r4 = _mm_or_si128(r4,r6);
|
||||
|
||||
|
||||
r4=_mm_or_si128(r4,r5);
|
||||
r4=_mm_or_si128(r4,r6);
|
||||
|
||||
|
||||
if(last_column&0x02){
|
||||
r6=_mm_load_si128(buffer+3);
|
||||
r4=_mm_and_si128(r4,r6);
|
||||
r5=_mm_lddqu_si128((__m128i *)(pDst+dstStep));
|
||||
r6=_mm_andnot_si128(r6,r5);
|
||||
r4=_mm_or_si128(r4,r6);
|
||||
if (lastCol & 0x02)
|
||||
{
|
||||
r6 = _mm_load_si128(buffer+3);
|
||||
r4 = _mm_and_si128(r4,r6);
|
||||
r5 = _mm_lddqu_si128((__m128i *)(pDst+dstStep));
|
||||
r6 = _mm_andnot_si128(r6,r5);
|
||||
r4 = _mm_or_si128(r4,r6);
|
||||
|
||||
/* only thing is, we should shift [rbp-42] back here, because we have processed the last column,
|
||||
* and this "special condition" can be released */
|
||||
last_column=last_column>>1;
|
||||
lastCol >>= 1;
|
||||
}
|
||||
_mm_storeu_si128((__m128i *)(pDst+dstStep),r4);
|
||||
}
|
||||
|
||||
/* after all we have to increase the destination- and Y-data pointer by four pixel */
|
||||
pDst+=16;
|
||||
YData+=4;
|
||||
|
||||
}while(i<nWidth);
|
||||
pDst += 16;
|
||||
YData += 4;
|
||||
}
|
||||
while (i < nWidth);
|
||||
|
||||
/* after each line we have to add the scanline to the destination pointer, because
|
||||
* we are processing two lines at once, but only increasing the destination pointer
|
||||
@ -368,17 +356,17 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
|
||||
* if we're not converting the full width of the scanline, like only 64 pixel, but the
|
||||
* output buffer was "designed" for 1920p HD, we have to add the remaining length for each line,
|
||||
* to get into the next line. */
|
||||
pDst+=VaddDst;
|
||||
pDst += VaddDst;
|
||||
|
||||
/* same thing has to be done for Y-data, but with iStride[0] instead of the target scanline */
|
||||
YData+=VaddY;
|
||||
YData += VaddY;
|
||||
|
||||
/* and again for UV data, but here it's enough to add the remaining length, because
|
||||
* UV data is the same for two lines and there exists only one "UV line" on two "real lines" */
|
||||
UData+=VaddU;
|
||||
VData+=VaddV;
|
||||
UData += VaddU;
|
||||
VData += VaddV;
|
||||
}
|
||||
|
||||
|
||||
_aligned_free(buffer);
|
||||
|
||||
return PRIMITIVES_SUCCESS;
|
||||
@ -388,9 +376,9 @@ pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
|
||||
void primitives_init_YUV_opt(primitives_t *prims)
|
||||
{
|
||||
#ifdef WITH_SSE2
|
||||
if(IsProcessorFeaturePresentEx(PF_EX_SSSE3)&&IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE))
|
||||
if (IsProcessorFeaturePresentEx(PF_EX_SSSE3) && IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE))
|
||||
{
|
||||
prims->YUV420ToRGB_8u_P3AC4R=ssse3_YUV420ToRGB_8u_P3AC4R;
|
||||
prims->YUV420ToRGB_8u_P3AC4R = ssse3_YUV420ToRGB_8u_P3AC4R;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user