shithub: openh264

ref: e5001c87cac3397a013d019a894dc674cdc8cc3f
dir: /codec/decoder/core/inc/dec_frame.h/

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/*!
 * \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.
 *
 */

//dec_frame.h
#ifndef WELS_DEC_FRAME_H__
#define WELS_DEC_FRAME_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 "bit_stream.h"
#include "fmo.h"

namespace WelsDec {

///////////////////////////////////DQ Layer level///////////////////////////////////
typedef struct TagDqLayer	SDqLayer;
typedef SDqLayer*			PDqLayer;
typedef struct TagLayerInfo {
  SNalUnitHeaderExt		sNalHeaderExt;
  SSlice					sSliceInLayer;	// Here Slice identify to Frame on concept
  PSubsetSps				pSubsetSps;	// current pSubsetSps used, memory alloc in external
  PSps					pSps;		// current sps based avc used, memory alloc in external
  PPps					pPps;		// current pps used
} SLayerInfo, *PLayerInfo;
/* Layer Representation */

struct TagDqLayer {
  SLayerInfo			sLayerInfo;

  PBitStringAux		pBitStringAux;	// pointer to SBitStringAux
  PFmo				pFmo;		// Current fmo context pointer used
  int8_t*  pMbType;
  int32_t* pSliceIdc;				// using int32_t for slice_idc
  int16_t	(*pMv[LIST_A])[MB_BLOCK4x4_NUM][MV_A];
  int8_t	(*pRefIndex[LIST_A])[MB_BLOCK4x4_NUM];
  int8_t*  pLumaQp;
  int8_t*  pChromaQp;
  int8_t*  pCbp;
  int8_t (*pNzc)[24];
  int8_t (*pNzcRs)[24];
  int8_t*  pResidualPredFlag;
  int8_t*  pInterPredictionDoneFlag;
  bool*    pMbCorrectlyDecodedFlag;
  int16_t (*pScaledTCoeff)[MB_COEFF_LIST_SIZE];
  int8_t (*pIntraPredMode)[8];  //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
  int8_t (*pIntra4x4FinalMode)[MB_BLOCK4x4_NUM];
  int8_t*  pChromaPredMode;
  //uint8_t (*motion_pred_flag[LIST_A])[MB_PARTITION_SIZE]; // 8x8
  int8_t (*pSubMbType)[MB_SUB_PARTITION_SIZE];
  int32_t iLumaStride;
  int32_t iChromaStride;
  uint8_t* pPred[3];
  int32_t iMbX;
  int32_t iMbY;
  int32_t iMbXyIndex;
  int32_t	iMbWidth;		// MB width of this picture, equal to sSps.iMbWidth
  int32_t	iMbHeight;		// MB height of this picture, equal to sSps.iMbHeight;

  /* Common syntax elements across all slices of a DQLayer */
  int32_t					iSliceIdcBackup;
  uint32_t				uiSpsId;
  uint32_t				uiPpsId;
  uint32_t				uiDisableInterLayerDeblockingFilterIdc;
  int32_t					iInterLayerSliceAlphaC0Offset;
  int32_t					iInterLayerSliceBetaOffset;
  //SPosOffset			sScaledRefLayer;
  int32_t					iSliceGroupChangeCycle;
  PRefPicListReorderSyn	pRefPicListReordering;
  PRefPicMarking          pRefPicMarking; // Decoded reference picture marking syntaxs
  PRefBasePicMarking	    pRefPicBaseMarking;

  PPicture				pRef;			// reference picture pointer
  PPicture				pDec;			// reconstruction picture pointer for layer

  bool					bStoreRefBasePicFlag;				// iCurTid == 0 && iCurQid = 0 && bEncodeKeyPic = 1
  bool					bTCoeffLevelPredFlag;
  bool					bConstrainedIntraResamplingFlag;
  uint8_t					uiRefLayerDqId;
  uint8_t					uiRefLayerChromaPhaseXPlus1Flag;
  uint8_t					uiRefLayerChromaPhaseYPlus1;
  uint8_t					uiLayerDqId;			// dq_id of current layer
  bool					bUseRefBasePicFlag;	// whether reference pic or reference base pic is referred?
};

typedef struct TagGpuAvcLayer {
  SLayerInfo				sLayerInfo;
  PBitStringAux			pBitStringAux;	// pointer to SBitStringAux

  int8_t*					pMbType;
  int32_t*					pSliceIdc;	// using int32_t for slice_idc
  int8_t*					pLumaQp;
  int8_t*					pCbp;
  int8_t	(*pNzc)[24];
  int8_t	(*pIntraPredMode)[8];     //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16

  int32_t					iMbX;
  int32_t					iMbY;
  int32_t					iMbXyIndex;
  int32_t					iMbWidth;		// MB width of this picture, equal to sSps.iMbWidth
  int32_t					iMbHeight;		// MB height of this picture, equal to sSps.iMbHeight;

} SGpuAvcDqLayer, *PGpuAvcDqLayer;

///////////////////////////////////////////////////////////////////////

} // namespace WelsDec

#endif//WELS_DEC_FRAME_H__