使用CUDA将NV12格式转换为JPEG的代码

#include <npp.h> #include <cuda_runtime.h> #include <Exceptions.h> #include "Endianess.h" #include <math.h> #include <cmath> #include <string.h> #include <fstream> #include <iostream> #include <helper_string.h> #include <helper_cuda.h> #include "gh_jpegnpp.h" //量化表数据 typedef struct { unsigned char nPrecisionAndIdentifier; unsigned char aTable[64]; } QuantizationTable; //图片信息 typedef struct { unsigned char nSamplePrecision; unsigned short nHeight; unsigned short nWidth; unsigned char nComponents; unsigned char aComponentIdentifier[3]; unsigned char aSamplingFactors[3]; unsigned char aQuantizationTableSelector[3]; } FrameHeader; //扫描头 typedef struct { unsigned char nComponents; unsigned char aComponentSelector[3]; unsigned char aHuffmanTablesSelector[3]; unsigned char nSs; unsigned char nSe; unsigned char nA; } ScanHeader; //霍夫曼编码表数据，一般是固定的 typedef struct { unsigned char nClassAndIdentifier; unsigned char aCodes[16]; unsigned char aTable[256]; } HuffmanTable; class CudaJpegEncode { public: CudaJpegEncode(); ~CudaJpegEncode(); public: void Init(int quality, const RectSize* pImageSize); void SetQuality(unsigned char* pTable, const unsigned char* pTable50, int quality); void Release(); public: int EncodeJpeg(const IMAGE_DEST dest, char* pDest); void SetData(const DataBuffer* pImageBuffer, int yuv_fmt, const RectSize* pImageSize); public: NppiDCTState* pDCTState; FrameHeader oFrameHeader; QuantizationTable aQuantizationTables[4]; Npp8u* pdQuantizationTables; HuffmanTable aHuffmanTables[4]; //HuffmanTable* pHuffmanDCTables = aHuffmanTables; //HuffmanTable* pHuffmanACTables = &aHuffmanTables[2]; HuffmanTable* pHuffmanDCTables; HuffmanTable* pHuffmanACTables; ScanHeader oScanHeader; NppiSize aSrcSize[3]; Npp16s *apdDCT[3]; Npp32s aDCTStep[3]; Npp8u *apSrcImage[3]; Npp32s aSrcImageStep[3]; size_t aSrcPitch[3]; NppiEncodeHuffmanSpec *apHuffmanDCTable[3]; NppiEncodeHuffmanSpec *apHuffmanACTable[3]; int nMCUBlocksH; int nMCUBlocksV; Npp8u *pdScan; Npp32s nScanSize; Npp8u *pJpegEncoderTemp; size_t nTempSize; unsigned char *pDstJpeg; public: uint8_t* mY; uint8_t* mU; uint8_t* mV; int mWidth; int mHeight; }; #define MEMORY_ALGN_DEVICE 511 #define HD_MEMORY_ALGN_DEVICE 511 #define YUV_FMT_NV12 1 #define YUV_FMT_NV21 2 #define YUV_FMT_YUV420 3 #ifndef max #define max(X, Y) ((X) > (Y) ?(X):(Y)) #endif //霍夫曼编码表 unsigned char STD_DC_Y_NRCODES[16] = { 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }; unsigned char STD_DC_Y_VALUES[12] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }; unsigned char STD_DC_UV_NRCODES[16] = { 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; unsigned char STD_DC_UV_VALUES[12] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }; unsigned char STD_AC_Y_NRCODES[16] = { 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0X7D }; unsigned char STD_AC_Y_VALUES[162] = { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa }; unsigned char STD_AC_UV_NRCODES[16] = { 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0X77 }; unsigned char STD_AC_UV_VALUES[162] = { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa }; #define DCTSIZE2 64 #if 0 //量化表，可以根据图像质量要求更改，这里图像是90% static const unsigned char std_Y_QT[DCTSIZE2] = { 3, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 3, 3, 4, 5, 8, 5, 5, 4, 4, 5, 10, 7, 7, 6, 8, 12, 10, 12, 12, 11, 10, 11, 11, 13, 14, 18, 16, 13, 14, 17, 14, 11, 11, 16, 22, 16, 17, 19, 20, 21, 21, 21, 12, 15, 23, 24, 22, 20, 24, 18, 20, 21, 20 }; static const unsigned char std_UV_QT[DCTSIZE2] = { 3, 4, 4, 5, 4, 5, 9, 5, 5, 9, 20, 13, 11, 13, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20 }; #else /* These are the sample quantization tables given in JPEG spec section K.1. * The spec says that the values given produce "good" quality, and * when divided by 2, "very good" quality. */ static const unsigned char std_Y_QT[DCTSIZE2] = { 16, 11, 10, 16, 24, 40, 51, 61, 12, 12, 14, 19, 26, 58, 60, 55, 14, 13, 16, 24, 40, 57, 69, 56, 14, 17, 22, 29, 51, 87, 80, 62, 18, 22, 37, 56, 68, 109, 103, 77, 24, 35, 55, 64, 81, 104, 113, 92, 49, 64, 78, 87, 103, 121, 120, 101, 72, 92, 95, 98, 112, 100, 103, 99 }; static const unsigned char std_UV_QT[DCTSIZE2] = { 17, 18, 24, 47, 99, 99, 99, 99, 18, 21, 26, 66, 99, 99, 99, 99, 24, 26, 56, 99, 99, 99, 99, 99, 47, 66, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99 }; #endif int DivUp(int x, int d) { return (x + d - 1) / d; } void writeMarker(unsigned char nMarker, unsigned char *&pData) { *pData++ = 0x0ff; *pData++ = nMarker; } template<typename T> void writeAndAdvance(unsigned char *&pData, T nElement) { writeBigEndian<T>(pData, nElement); pData += sizeof(T); } void writeJFIFTag(unsigned char *&pData) { const char JFIF_TAG[] = { 0x4a, 0x46, 0x49, 0x46, 0x00, 0x01, 0x02, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00 }; writeMarker(0x0e0, pData); writeAndAdvance<unsigned short>(pData, sizeof(JFIF_TAG) + sizeof(unsigned short)); memcpy(pData, JFIF_TAG, sizeof(JFIF_TAG)); pData += sizeof(JFIF_TAG); } void