1 /*! 2 * \copy 3 * Copyright (c) 2009-2013, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * 32 * \file fmo.h 33 * 34 * \brief Flexible Macroblock Ordering implementation 35 * 36 * \date 2/4/2009 Created 37 * 38 ************************************************************************************* 39 */ 40 #ifndef WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__ 41 #define WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__ 42 43 #include "typedefs.h" 44 #include "wels_const.h" 45 #include "parameter_sets.h" 46 #include "memory_align.h" 47 48 namespace WelsDec { 49 50 #ifndef MB_XY_T 51 #define MB_XY_T int32_t 52 #endif//MB_XY_T 53 54 /*! 55 * \brief Wels Flexible Macroblock Ordering (FMO) 56 */ 57 typedef struct TagFmo { 58 uint8_t* pMbAllocMap; 59 int32_t iCountMbNum; 60 int32_t iSliceGroupCount; 61 int32_t iSliceGroupType; 62 bool bActiveFlag; 63 uint8_t uiReserved[3]; // reserved padding bytes 64 } SFmo, *PFmo; 65 66 67 /*! 68 * \brief Initialize Wels Flexible Macroblock Ordering (FMO) 69 * 70 * \param pFmo Wels fmo to be initialized 71 * \param pPps PPps 72 * \param kiMbWidth mb width 73 * \param kiMbHeight mb height 74 * 75 * \return 0 - successful; none 0 - failed; 76 */ 77 int32_t InitFmo (PFmo pFmo, PPps pPps, const int32_t kiMbWidth, const int32_t kiMbHeight, CMemoryAlign* pMa); 78 79 /*! 80 * \brief Uninitialize Wels Flexible Macroblock Ordering (FMO) list 81 * 82 * \param pFmo Wels base fmo ptr to be uninitialized 83 * \param kiCnt count number of PPS per list 84 * \param kiAvail count available number of PPS in list 85 * 86 * \return NONE 87 */ 88 void UninitFmoList (PFmo pFmo, const int32_t kiCnt, const int32_t kiAvail, CMemoryAlign* pMa); 89 90 /*! 91 * \brief update/insert FMO parameter unit 92 * 93 * \param pFmo FMO context 94 * \param pSps PSps 95 * \param pPps PPps 96 * \param pActiveFmoNum int32_t* [in/out] 97 * 98 * \return true - update/insert successfully; false - failed; 99 */ 100 int32_t FmoParamUpdate (PFmo pFmo, PSps pSps, PPps pPps, int32_t* pActiveFmoNum, CMemoryAlign* pMa); 101 102 /*! 103 * \brief Get successive mb to be processed with given current mb_xy 104 * 105 * \param pFmo Wels fmo context 106 * \param iMbXy current mb_xy 107 * 108 * \return iNextMb - successful; -1 - failed; 109 */ 110 MB_XY_T FmoNextMb (PFmo pFmo, const MB_XY_T kiMbXy); 111 112 } // namespace WelsDec 113 114 #endif//WELS_FLEXIBLE_MACROBLOCK_ORDERING_H__ 115