ref: 91331e1ba451ae3b7628d075b6ac8d7075e36e57
dir: /codec/encoder/core/inc/svc_enc_macroblock.h/
/*! * \copy * Copyright (c) 2013, Cisco Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ //macroblock.h #ifndef WELS_MACROBLOCK_H__ #define WELS_MACROBLOCK_H__ #include "typedefs.h" #include "wels_const.h" #include "wels_common_basis.h" #include "macros.h" namespace WelsEnc { //struct Mb_s; /* MB syntax and context, refer to Page 399 in JVT X201wcm */ // keep the most essential level pData structure be 64 Bytes, which matches cache line size; if so, the order with structure maybe negligible. // pls take care when modify MB structure size typedef struct TagMB { /*************************mb_layer() syntax and generated********************************/ /*mb_layer():*/ Mb_Type uiMbType; // including MB detailed partition type, number and type of reference list uint8_t uiSubMbType[4]; // sub MB types int32_t iMbXY; // offset position of MB top left point based int16_t iMbX; // position of MB in horizontal axis [0..32767] int16_t iMbY; // position of MB in vertical axis [0..32767] uint8_t uiNeighborAvail; // avail && same_slice: LEFT_MB_POS:0x01, TOP_MB_POS:0x02, TOPRIGHT_MB_POS = 0x04 ,TOPLEFT_MB_POS = 0x08; uint8_t uiCbp; SMVUnitXY* sMv; int8_t* pRefIndex; int32_t* pSadCost; // mb sad. set to 0 for intra mb int8_t* pIntra4x4PredMode; // [MB_BLOCK4x4_NUM] int8_t* pNonZeroCount; // [MB_LUMA_CHROMA_BLOCK4x4_NUM] SMVUnitXY sP16x16Mv; uint8_t uiLumaQp; // uiLumaQp: pPps->iInitialQp + sSliceHeader->delta_qp + mb->dquant. uint8_t uiChromaQp; uint16_t uiSliceIdc; // 2^16=65536 > MaxFS(36864) of level 5.1; AVC: iFirstMbInSlice?; SVC: (iFirstMbInSlice << 7) | ((uiDependencyId << 4) | uiQualityId); uint32_t uiChromPredMode; int32_t iLumaDQp; SMVUnitXY sMvd[MB_BLOCK4x4_NUM]; //only for CABAC writing; storage structure the same as sMv, in 4x4 scan order. int32_t iCbpDc; //uint8_t reserved_filling_bytes[1]; // not deleting this line for further changes of this structure. filling bytes reserved to make structure aligned with 4 bytes, higher cache hit on less structure size by 2 cache lines( 2 * 64 bytes) once hit } SMB, *PMb; } #endif//WELS_MACROBLOCK_H__