ref: fb4c907ecbb3c4af9ac372060a55efa1f0de1f11
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 {
/*
* 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 TagFeatureSearchPreparation {
SScreenBlockFeatureStorage* pRefBlockFeature;//point the the ref frame storage
uint16_t* pFeatureOfBlock; // Feature of every block (8x8), begin with the point
uint8_t uiFeatureStrategyIndex;// index of hash strategy
/* for FME frame-level switch */
bool bFMESwitchFlag;
uint8_t uiFMEGoodFrameCount;
int32_t iHighFreMbCount;
} SFeatureSearchPreparation; //maintain only one
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
SPicture* pRefOri[MAX_REF_PIC_COUNT];
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
SFeatureSearchPreparation* pFeatureSearchPreparation;
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__