openh264/codec/decoder/core/inc/parameter_sets.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.
 *
 */

#ifndef WELS_PARAMETER_SETS_H__
#define WELS_PARAMETER_SETS_H__

#include "typedefs.h"
#include "wels_const.h"
#include "wels_common_basis.h"

namespace WelsDec {

typedef struct TagLevelLimits {
  int32_t iMaxMBPS; // Max macroblock processing rate(MB/s)
  int32_t iMaxFS;   // Max frame sizea(MBs)
  int32_t iMaxDPBMbs;// Max decoded picture buffer size(MBs)
  int32_t iMaxBR; // Max video bit rate
  int32_t iMaxCPB; // Max CPB size
  int16_t iMinVmv; // Vertical MV component range upper bound
  int16_t iMaxVmv; // Vertical MV component range lower bound
  int16_t iMinCR;  // Min compression ration
  int16_t iMaxMvsPer2Mb; // Max number of motion vectors per two consecutive MBs
} SLevelLimits;

/* Sequence Parameter Set, refer to Page 57 in JVT X201wcm */
typedef struct TagSps {
int32_t	    iSpsId;
uint32_t	iMbWidth;
uint32_t	iMbHeight;
uint32_t	uiTotalMbCount;	//used in decode_slice_data()

uint32_t	uiLog2MaxFrameNum;
uint32_t	uiPocType;
/* POC type 0 */
int32_t		iLog2MaxPocLsb;
/* POC type 1 */
int32_t		iOffsetForNonRefPic;

int32_t		iOffsetForTopToBottomField;
int32_t		iNumRefFramesInPocCycle;
int8_t		iOffsetForRefFrame[256];
int32_t		iNumRefFrames;

SPosOffset	sFrameCrop;

ProfileIdc	uiProfileIdc;
uint8_t		uiLevelIdc;
uint8_t		uiChromaFormatIdc;
uint8_t		uiChromaArrayType;

uint8_t		uiBitDepthLuma;
uint8_t		uiBitDepthChroma;
/* TO BE CONTINUE: POC type 1 */
bool		bDeltaPicOrderAlwaysZeroFlag;
bool		bGapsInFrameNumValueAllowedFlag;

bool		bFrameMbsOnlyFlag;
bool		bMbaffFlag;	// MB Adapative Frame Field
bool		bDirect8x8InferenceFlag;
bool		bFrameCroppingFlag;

bool		bVuiParamPresentFlag;
//	bool		bTimingInfoPresentFlag;
//	bool		bFixedFrameRateFlag;
bool		bConstraintSet0Flag;
bool		bConstraintSet1Flag;
bool		bConstraintSet2Flag;
bool		bConstraintSet3Flag;
bool		bSeparateColorPlaneFlag;
bool		bQpPrimeYZeroTransfBypassFlag;
bool		bSeqScalingMatrixPresentFlag;
bool		bSeqScalingListPresentFlag[12];
const SLevelLimits *pSLevelLimits;
} SSps, *PSps;


/* Sequence Parameter Set extension syntax, refer to Page 58 in JVT X201wcm */
//typedef struct TagSpsExt{
//	uint32_t	iSpsId;
//	uint32_t	uiAuxFormatIdc;
//	int32_t		iAlphaOpaqueValue;
//	int32_t		iAlphaTransparentValue;

//	uint8_t		uiBitDepthAux;
//	bool		bAlphaIncrFlag;
//	bool		bAdditionalExtFlag;
//}SSpsExt, *PSpsExt;

/* Sequence Parameter Set extension syntax, refer to Page 391 in JVT X201wcm */
typedef struct TagSpsSvcExt {
SPosOffset	sSeqScaledRefLayer;

uint8_t		uiExtendedSpatialScalability;	// ESS
uint8_t		uiChromaPhaseXPlus1Flag;
uint8_t		uiChromaPhaseYPlus1;
uint8_t		uiSeqRefLayerChromaPhaseXPlus1Flag;
uint8_t		uiSeqRefLayerChromaPhaseYPlus1;
bool		bInterLayerDeblockingFilterCtrlPresentFlag;
bool		bSeqTCoeffLevelPredFlag;
bool		bAdaptiveTCoeffLevelPredFlag;
bool		bSliceHeaderRestrictionFlag;
} SSpsSvcExt, *PSpsSvcExt;

/* Subset sequence parameter set syntax, refer to Page 391 in JVT X201wcm */
typedef struct TagSubsetSps {
SSps		sSps;
SSpsSvcExt	sSpsSvcExt;
bool		bSvcVuiParamPresentFlag;
bool		bAdditionalExtension2Flag;
bool		bAdditionalExtension2DataFlag;
} SSubsetSps, *PSubsetSps;

/* Picture parameter set syntax, refer to Page 59 in JVT X201wcm */
typedef struct TagPps {
int32_t	iSpsId;
int32_t	iPpsId;

uint32_t	uiNumSliceGroups;
uint32_t	uiSliceGroupMapType;
/* slice_group_map_type = 0 */
uint32_t	uiRunLength[MAX_SLICEGROUP_IDS];
/* slice_group_map_type = 2 */
uint32_t	uiTopLeft[MAX_SLICEGROUP_IDS];
uint32_t	uiBottomRight[MAX_SLICEGROUP_IDS];
/* slice_group_map_type = 3, 4 or 5 */
uint32_t	uiSliceGroupChangeRate;
/* slice_group_map_type = 6 */
uint32_t	uiPicSizeInMapUnits;
uint32_t	uiSliceGroupId[MAX_SLICEGROUP_IDS];

uint32_t	uiNumRefIdxL0Active;
uint32_t	uiNumRefIdxL1Active;

int32_t		iPicInitQp;
int32_t		iPicInitQs;
int32_t		iChromaQpIndexOffset;

bool		bEntropyCodingModeFlag;
bool		bPicOrderPresentFlag;
/* slice_group_map_type = 3, 4 or 5 */
bool		bSliceGroupChangeDirectionFlag;
bool		bDeblockingFilterControlPresentFlag;

bool		bConstainedIntraPredFlag;
bool		bRedundantPicCntPresentFlag;
bool		bWeightedPredFlag;
uint8_t		uiWeightedBipredIdc;

} SPps, *PPps;

} // namespace WelsDec

#endif //WELS_PARAMETER_SETS_H__