| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Steve Borho <steve@borho.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 19 | * |
| 20 | * This program is also available under a commercial proprietary license. |
| 21 | * For more information, contact us at license @ x265.com. |
| 22 | *****************************************************************************/ |
| 23 | |
| 24 | #ifndef X265_DPB_H |
| 25 | #define X265_DPB_H |
| 26 | |
| 27 | #include "piclist.h" |
| 28 | |
| 29 | namespace x265 { |
| 30 | // private namespace for x265 |
| 31 | |
| 32 | class Frame; |
| 33 | class FrameData; |
| 34 | class Slice; |
| 35 | |
| 36 | class DPB |
| 37 | { |
| 38 | public: |
| 39 | |
| 40 | int m_lastIDR; |
| 41 | int m_pocCRA; |
| 42 | bool m_bRefreshPending; |
| 43 | int m_maxRefL0; |
| 44 | int m_maxRefL1; |
| 45 | int m_bOpenGOP; |
| 46 | PicList m_picList; |
| 47 | PicList m_freeList; |
| 48 | FrameData* m_picSymFreeList; |
| 49 | |
| 50 | DPB(x265_param *param) |
| 51 | { |
| 52 | m_lastIDR = 0; |
| 53 | m_pocCRA = 0; |
| 54 | m_bRefreshPending = false; |
| 55 | m_picSymFreeList = NULL; |
| 56 | m_maxRefL0 = param->maxNumReferences; |
| 57 | m_maxRefL1 = param->bBPyramid ? 2 : 1; |
| 58 | m_bOpenGOP = param->bOpenGOP; |
| 59 | } |
| 60 | |
| 61 | ~DPB(); |
| 62 | |
| 63 | void prepareEncode(Frame*); |
| 64 | |
| 65 | void recycleUnreferenced(); |
| 66 | |
| 67 | protected: |
| 68 | |
| 69 | void computeRPS(int curPoc, bool isRAP, RPS * rps, unsigned int maxDecPicBuffer); |
| 70 | |
| 71 | void applyReferencePictureSet(RPS *rps, int curPoc); |
| 72 | void decodingRefreshMarking(int pocCurr, NalUnitType nalUnitType); |
| 73 | |
| 74 | NalUnitType getNalUnitType(int curPoc, bool bIsKeyFrame); |
| 75 | }; |
| 76 | } |
| 77 | |
| 78 | #endif // X265_DPB_H |