ref: a893e2231152216d5a6cd262a153f17d2ee1eb50
dir: /codec/decoder/core/inc/fmo.h/
/*!
* \copy
* Copyright (c) 2009-2013, 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.
*
*
* \file fmo.h
*
* \brief Flexible Macroblock Ordering implementation
*
* \date 2/4/2009 Created
*
*************************************************************************************
*/
#ifndef WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__
#define WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__
#include "typedefs.h"
#include "wels_const.h"
#include "parameter_sets.h"
namespace WelsDec {
#ifndef MB_XY_T
#define MB_XY_T int16_t
#endif//MB_XY_T
/*!
* \brief Wels Flexible Macroblock Ordering (FMO)
*/
typedef struct TagFmo {
uint8_t* pMbAllocMap;
int32_t iCountMbNum;
int32_t iSliceGroupCount;
int32_t iSliceGroupType;
bool bActiveFlag;
uint8_t uiReserved[3]; // reserved padding bytes
} SFmo, *PFmo;
/*!
* \brief Initialize Wels Flexible Macroblock Ordering (FMO)
*
* \param pFmo Wels fmo to be initialized
* \param pPps PPps
* \param kiMbWidth mb width
* \param kiMbHeight mb height
*
* \return 0 - successful; none 0 - failed;
*/
int32_t InitFmo (PFmo pFmo, PPps pPps, const int32_t kiMbWidth, const int32_t kiMbHeight);
/*!
* \brief Uninitialize Wels Flexible Macroblock Ordering (FMO) list
*
* \param pFmo Wels base fmo ptr to be uninitialized
* \param kiCnt count number of PPS per list
* \param kiAvail count available number of PPS in list
*
* \return NONE
*/
void UninitFmoList (PFmo pFmo, const int32_t kiCnt, const int32_t kiAvail);
/*!
* \brief update/insert FMO parameter unit
*
* \param pFmo FMO context
* \param pSps PSps
* \param pPps PPps
* \param pActiveFmoNum int32_t* [in/out]
*
* \return true - update/insert successfully; false - failed;
*/
bool FmoParamUpdate (PFmo pFmo, PSps pSps, PPps pPps, int32_t* pActiveFmoNum);
/*!
* \brief Get successive mb to be processed with given current mb_xy
*
* \param pFmo Wels fmo context
* \param iMbXy current mb_xy
*
* \return iNextMb - successful; -1 - failed;
*/
MB_XY_T FmoNextMb (PFmo pFmo, const MB_XY_T kiMbXy);
} // namespace WelsDec
#endif//WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__