1 /* 2 * Copyright (c) 2017, Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 //! 23 //! \file codec_def_common_mpeg2.h 24 //! \brief Defines basic MPEG2 types and macros shared by CodecHal, MHW, and DDI layer 25 //! \details This is the base header for all codec_def MPEG2 files. All codec_def MPEG2 files should include this file which should not contain any DDI specific code. 26 //! 27 #ifndef __CODEC_DEF_COMMON_MPEG2_H__ 28 #define __CODEC_DEF_COMMON_MPEG2_H__ 29 30 #include "codec_def_common.h" 31 32 //! 33 //! \struct CodecMpeg2IqMatrix 34 //! \brief Inverse Quantization Matrix Buffer 35 //! 36 struct CodecMpeg2IqMatrix 37 { 38 int32_t m_loadIntraQuantiserMatrix; //!< Indicate if intra Quantiser Matrix is available 39 int32_t m_loadNonIntraQuantiserMatrix; //!< Indicate if non intra Quantiser Matrix is available 40 int32_t m_loadChromaIntraQuantiserMatrix; //!< Indicate if chroma intra Quantiser Matrix is available 41 int32_t m_loadChromaNonIntraQuantiserMatrix;//!< Indicate if chroma non intra Quantiser Matrix is available 42 uint8_t m_intraQuantiserMatrix[64]; //!< Intra Quantiser Matrix 43 uint8_t m_nonIntraQuantiserMatrix[64]; //!< Non intra Quantiser Matrix 44 uint8_t m_chromaIntraQuantiserMatrix[64]; //!< Chroma intra Quantiser Matrix 45 uint8_t m_chromaNonIntraQuantiserMatrix[64];//!< Chroma non intra Quantiser Matrix 46 }; 47 48 //! 49 //! \struct CodecDecodeMpeg2MbParams 50 //! \brief Mpeg2 MB parameter 51 //! 52 struct CodecDecodeMpeg2MbParams 53 { 54 int32_t m_mbAddr; //!< Macroblock address 55 union 56 { 57 struct 58 { 59 uint16_t m_intraMb : 1; //!< Intra macroblock 60 uint16_t m_motionFwd : 1; //!< Microblock forward motion 61 uint16_t m_motionBwd : 1; //!< Microblock backward motion 62 uint16_t m_motion4mv : 1; //!< Microblock 4MV motion 63 uint16_t m_h261Lpfilter : 1; //!< low pass filter 64 uint16_t m_fieldResidual : 1; //!< DCT type 65 uint16_t m_mbScanMethod : 2; //!< 0: zigzag scan, 1:alternative-vertical, 2: alternative-horizontal 66 uint16_t m_motionType : 2; //!< Invalid for I pic, for P/B pic 67 uint16_t m_hostResidualDiff : 1; //!< Host residual difference 68 uint16_t m_reserved : 1; //!< Reserved 69 uint16_t m_mvertFieldSel : 4; //!< Motion vertical field select 70 }; 71 uint16_t m_value; 72 } MBType; 73 uint16_t m_mbSkipFollowing; //!< The number of skipped macroblocks to be generated following the current macroblock. 74 uint32_t m_mbDataLoc; //!< Used as an index into residual difference block data buffer. 75 uint16_t m_codedBlockPattern; //!< Coded block pattern 76 uint8_t m_numCoeff[CODEC_NUM_BLOCK_PER_MB]; //!< Indicates the number of coefficients in the residual difference data buffer for each block i of the macroblock. 77 int16_t m_motionVectors[8]; //!< Motion vector 78 }; 79 80 #endif // __CODEC_DEF_COMMON_MPEG2_H__ 81