/src/x265/source/encoder/dpb.h
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1 | | /***************************************************************************** |
2 | | * Copyright (C) 2013-2020 MulticoreWare, Inc |
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_NS { |
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 | | int m_bOpenGOP; |
43 | | int m_bhasLeadingPicture; |
44 | | bool m_bRefreshPending; |
45 | | bool m_bTemporalSublayer; |
46 | | PicList m_picList; |
47 | | PicList m_freeList; |
48 | | FrameData* m_frameDataFreeList; |
49 | | |
50 | | DPB(x265_param *param) |
51 | 0 | { |
52 | 0 | m_lastIDR = 0; |
53 | 0 | m_pocCRA = 0; |
54 | 0 | m_bhasLeadingPicture = param->radl; |
55 | 0 | if (param->bResetZoneConfig) |
56 | 0 | { |
57 | 0 | for (int i = 0; i < param->rc.zonefileCount ; i++) |
58 | 0 | { |
59 | 0 | if (param->rc.zones[i].zoneParam->radl) |
60 | 0 | { |
61 | 0 | m_bhasLeadingPicture = param->rc.zones[i].zoneParam->radl; |
62 | 0 | break; |
63 | 0 | } |
64 | 0 | } |
65 | 0 | } |
66 | 0 | m_bRefreshPending = false; |
67 | 0 | m_frameDataFreeList = NULL; |
68 | 0 | m_bOpenGOP = param->bOpenGOP; |
69 | 0 | m_bTemporalSublayer = !!param->bEnableTemporalSubLayers; |
70 | 0 | } |
71 | | |
72 | | ~DPB(); |
73 | | |
74 | | void prepareEncode(Frame*); |
75 | | |
76 | | void recycleUnreferenced(); |
77 | | |
78 | | protected: |
79 | | |
80 | | void computeRPS(int curPoc, bool isRAP, RPS * rps, unsigned int maxDecPicBuffer); |
81 | | |
82 | | void applyReferencePictureSet(RPS *rps, int curPoc); |
83 | | void decodingRefreshMarking(int pocCurr, NalUnitType nalUnitType); |
84 | | |
85 | | NalUnitType getNalUnitType(int curPoc, bool bIsKeyFrame); |
86 | | }; |
87 | | } |
88 | | |
89 | | #endif // X265_DPB_H |