ref: 6714b8ae993b5e049262444a9f17d9552188a68f
dir: /codec/encoder/core/inc/svc_enc_frame.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. * */ //wels_svc_layer.h #ifndef WELS_SVC_EXTENSION_LAYER_H__ #define WELS_SVC_EXTENSION_LAYER_H__ #include "typedefs.h" #include "wels_const.h" #include "wels_common_basis.h" #include "parameter_sets.h" #include "nal_prefix.h" #include "slice.h" #include "picture.h" #include "svc_enc_macroblock.h" #include "bit_stream.h" #include "svc_enc_slice_segment.h" namespace WelsSVCEnc { /* * Need fine adjust below structure later for SVC extension optimization */ /* * Frame level in SVC DQLayer instead. * Dependency-Quaility layer struction definition for SVC extension of H.264/AVC */ ///////////////////////////////////DQ Layer level/////////////////////////////////// typedef struct TagDqLayer SDqLayer; typedef SDqLayer* pDqLayer; typedef struct TagLayerInfo { SNalUnitHeaderExt sNalHeaderExt; SSlice* pSliceInLayer;// Here SSlice identify to Frame on concept, [iSliceIndex], need memory block external side for MT SSubsetSps* pSubsetSpsP; // current pSubsetSps used, memory alloc in external SWelsSPS* pSpsP; // current pSps based avc used, memory alloc in external SWelsPPS* pPpsP; // current pPps used } SLayerInfo; /* Layer Representation */ struct TagDqLayer { SLayerInfo sLayerInfo; uint8_t* pCsData[3]; // pointer to reconstructed picture pData int32_t iCsStride[3]; // Cs stride uint8_t* pEncData[3]; // pData picture to be encoded in current layer int32_t iEncStride[3]; // pData picture stride SMB* sMbDataP; // pointer to mb of mbAddr equal to 0 in slice, mb_data_ptr = mb_base_ptr + (1+iMbStride). int16_t iMbWidth; // MB width of this picture, equal to pSps.iMbWidth int16_t iMbHeight; // MB height of this picture, equal to pSps.iMbHeight; bool bBaseLayerAvailableFlag; // whether base layer is available for prediction? uint8_t iLoopFilterDisableIdc; // 0: on, 1: off, 2: on except for slice boundaries int8_t iLoopFilterAlphaC0Offset;// AlphaOffset: valid range [-6, 6], default 0 int8_t iLoopFilterBetaOffset; // BetaOffset: valid range [-6, 6], default 0 uint8_t uiDisableInterLayerDeblockingFilterIdc; int8_t iInterLayerSliceAlphaC0Offset; int8_t iInterLayerSliceBetaOffset; bool bDeblockingParallelFlag; //parallel_deblocking_flag SPicture* pRefPic; // reference picture pointer SPicture* pDecPic; // reconstruction picture pointer for layer SSliceCtx* pSliceEncCtx; // current slice context int32_t* pNumSliceCodedOfPartition; // for dynamic slicing mode int32_t* pLastCodedMbIdxOfPartition; // for dynamic slicing mode int32_t* pLastMbIdxOfPartition; // for dynamic slicing mode SDqLayer* pRefLayer; // pointer to referencing dq_layer of current layer to be decoded }; /////////////////////////////////////////////////////////////////////// // frame structure for svc typedef SDqLayer SWelsSvcFrame; } #endif//WELS_SVC_EXTENSION_LAYER_H__