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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 |