| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Author: 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_FRAMEDATA_H |
| 25 | #define X265_FRAMEDATA_H |
| 26 | |
| 27 | #include "common.h" |
| 28 | #include "slice.h" |
| 29 | #include "cudata.h" |
| 30 | |
| 31 | namespace x265 { |
| 32 | // private namespace |
| 33 | |
| 34 | class PicYuv; |
| 35 | |
| 36 | /* Per-frame data that is used during encodes and referenced while the picture |
| 37 | * is available for reference. A FrameData instance is attached to a Frame as it |
| 38 | * comes out of the lookahead. Frames which are not being encoded do not have a |
| 39 | * FrameData instance. These instances are re-used once the encoded frame has |
| 40 | * no active references. They hold the Slice instance and the 'official' CTU |
| 41 | * data structures. They are maintained in a free-list pool along together with |
| 42 | * a reconstructed image PicYuv in order to conserve memory. */ |
| 43 | class FrameData |
| 44 | { |
| 45 | public: |
| 46 | |
| 47 | Slice* m_slice; |
| 48 | SAOParam* m_saoParam; |
| 49 | x265_param* m_param; |
| 50 | |
| 51 | FrameData* m_freeListNext; |
| 52 | PicYuv* m_reconPicYuv; |
| 53 | bool m_bHasReferences; /* used during DPB/RPS updates */ |
| 54 | int m_frameEncoderID; /* the ID of the FrameEncoder encoding this frame */ |
| 55 | |
| 56 | CUDataMemPool m_cuMemPool; |
| 57 | CUData* m_picCTU; |
| 58 | |
| 59 | /* Rate control data used during encode and by references */ |
| 60 | struct RCStatCU |
| 61 | { |
| 62 | uint32_t totalBits; /* total bits to encode this CTU */ |
| 63 | uint32_t vbvCost; /* sum of lowres costs for 16x16 sub-blocks */ |
| 64 | uint32_t intraVbvCost; /* sum of lowres intra costs for 16x16 sub-blocks */ |
| 65 | uint64_t avgCost[4]; /* stores the avg cost of CU's in frame for each depth */ |
| 66 | uint32_t count[4]; /* count and avgCost only used by Analysis at RD0..4 */ |
| 67 | double baseQp; /* Qp of Cu set from RateControl/Vbv (only used by frame encoder) */ |
| 68 | }; |
| 69 | |
| 70 | struct RCStatRow |
| 71 | { |
| 72 | uint32_t numEncodedCUs; /* ctuAddr of last encoded CTU in row */ |
| 73 | uint32_t encodedBits; /* sum of 'totalBits' of encoded CTUs */ |
| 74 | uint32_t satdForVbv; /* sum of lowres (estimated) costs for entire row */ |
| 75 | uint32_t diagSatd; |
| 76 | uint32_t diagIntraSatd; |
| 77 | double diagQp; |
| 78 | double diagQpScale; |
| 79 | double sumQpRc; |
| 80 | double sumQpAq; |
| 81 | }; |
| 82 | |
| 83 | RCStatCU* m_cuStat; |
| 84 | RCStatRow* m_rowStat; |
| 85 | |
| 86 | double m_avgQpRc; /* avg QP as decided by rate-control */ |
| 87 | double m_avgQpAq; /* avg QP as decided by AQ in addition to rate-control */ |
| 88 | double m_rateFactor; /* calculated based on the Frame QP */ |
| 89 | |
| 90 | FrameData(); |
| 91 | |
| 92 | bool create(x265_param *param, const SPS& sps); |
| 93 | void reinit(const SPS& sps); |
| 94 | void destroy(); |
| 95 | |
| 96 | CUData* getPicCTU(uint32_t ctuAddr) { return &m_picCTU[ctuAddr]; } |
| 97 | }; |
| 98 | } |
| 99 | |
| 100 | #endif // ifndef X265_FRAMEDATA_H |