| 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_ENCODER_H |
| 25 | #define X265_ENCODER_H |
| 26 | |
| 27 | #include "common.h" |
| 28 | #include "slice.h" |
| 29 | #include "scalinglist.h" |
| 30 | #include "x265.h" |
| 31 | #include "nal.h" |
| 32 | |
| 33 | struct x265_encoder {}; |
| 34 | |
| 35 | namespace x265 { |
| 36 | // private namespace |
| 37 | extern const char g_sliceTypeToChar[3]; |
| 38 | |
| 39 | class Entropy; |
| 40 | |
| 41 | struct EncStats |
| 42 | { |
| 43 | double m_psnrSumY; |
| 44 | double m_psnrSumU; |
| 45 | double m_psnrSumV; |
| 46 | double m_globalSsim; |
| 47 | double m_totalQp; |
| 48 | uint64_t m_accBits; |
| 49 | uint32_t m_numPics; |
| 50 | |
| 51 | EncStats() |
| 52 | { |
| 53 | m_psnrSumY = m_psnrSumU = m_psnrSumV = m_globalSsim = 0; |
| 54 | m_accBits = 0; |
| 55 | m_numPics = 0; |
| 56 | m_totalQp = 0; |
| 57 | } |
| 58 | |
| 59 | void addQP(double aveQp); |
| 60 | |
| 61 | void addPsnr(double psnrY, double psnrU, double psnrV); |
| 62 | |
| 63 | void addBits(uint64_t bits); |
| 64 | |
| 65 | void addSsim(double ssim); |
| 66 | }; |
| 67 | |
| 68 | class FrameEncoder; |
| 69 | class DPB; |
| 70 | class Lookahead; |
| 71 | class RateControl; |
| 72 | class ThreadPool; |
| 73 | struct ThreadLocalData; |
| 74 | |
| 75 | class Encoder : public x265_encoder |
| 76 | { |
| 77 | public: |
| 78 | |
| 79 | int m_pocLast; // time index (POC) |
| 80 | int m_encodedFrameNum; |
| 81 | int m_outputCount; |
| 82 | |
| 83 | int m_bframeDelay; |
| 84 | int64_t m_firstPts; |
| 85 | int64_t m_bframeDelayTime; |
| 86 | int64_t m_prevReorderedPts[2]; |
| 87 | |
| 88 | ThreadPool* m_threadPool; |
| 89 | FrameEncoder* m_frameEncoder; |
| 90 | DPB* m_dpb; |
| 91 | |
| 92 | Frame* m_exportedPic; |
| 93 | |
| 94 | int m_curEncoder; |
| 95 | |
| 96 | /* cached PicYuv offset arrays, shared by all instances of |
| 97 | * PicYuv created by this encoder */ |
| 98 | intptr_t* m_cuOffsetY; |
| 99 | intptr_t* m_cuOffsetC; |
| 100 | intptr_t* m_buOffsetY; |
| 101 | intptr_t* m_buOffsetC; |
| 102 | |
| 103 | /* Collect statistics globally */ |
| 104 | EncStats m_analyzeAll; |
| 105 | EncStats m_analyzeI; |
| 106 | EncStats m_analyzeP; |
| 107 | EncStats m_analyzeB; |
| 108 | FILE* m_csvfpt; |
| 109 | int64_t m_encodeStartTime; |
| 110 | |
| 111 | // weighted prediction |
| 112 | int m_numLumaWPFrames; // number of P frames with weighted luma reference |
| 113 | int m_numChromaWPFrames; // number of P frames with weighted chroma reference |
| 114 | int m_numLumaWPBiFrames; // number of B frames with weighted luma reference |
| 115 | int m_numChromaWPBiFrames; // number of B frames with weighted chroma reference |
| 116 | FILE* m_analysisFile; |
| 117 | int m_conformanceMode; |
| 118 | VPS m_vps; |
| 119 | SPS m_sps; |
| 120 | PPS m_pps; |
| 121 | NALList m_nalList; |
| 122 | ScalingList m_scalingList; // quantization matrix information |
| 123 | int m_numThreadLocalData; |
| 124 | |
| 125 | int m_lastBPSEI; |
| 126 | uint32_t m_numDelayedPic; |
| 127 | |
| 128 | x265_param* m_param; |
| 129 | RateControl* m_rateControl; |
| 130 | ThreadLocalData* m_threadLocalData; |
| 131 | Lookahead* m_lookahead; |
| 132 | Window m_conformanceWindow; |
| 133 | |
| 134 | bool m_aborted; // fatal error detected |
| 135 | |
| 136 | Encoder(); |
| 137 | ~Encoder() {} |
| 138 | |
| 139 | void create(); |
| 140 | void destroy(); |
| 141 | |
| 142 | int encode(const x265_picture* pic, x265_picture *pic_out); |
| 143 | |
| 144 | void getStreamHeaders(NALList& list, Entropy& sbacCoder, Bitstream& bs); |
| 145 | |
| 146 | void fetchStats(x265_stats* stats, size_t statsSizeBytes); |
| 147 | |
| 148 | void writeLog(int argc, char **argv); |
| 149 | |
| 150 | void printSummary(); |
| 151 | |
| 152 | char* statsString(EncStats&, char*); |
| 153 | |
| 154 | char* statsCSVString(EncStats& stat, char* buffer); |
| 155 | |
| 156 | void setThreadPool(ThreadPool* p) { m_threadPool = p; } |
| 157 | |
| 158 | void configure(x265_param *param); |
| 159 | |
| 160 | void updateVbvPlan(RateControl* rc); |
| 161 | |
| 162 | void allocAnalysis(x265_analysis_data* analysis); |
| 163 | |
| 164 | void freeAnalysis(x265_analysis_data* analysis); |
| 165 | |
| 166 | void readAnalysisFile(x265_analysis_data* analysis, int poc); |
| 167 | |
| 168 | void writeAnalysisFile(x265_analysis_data* pic); |
| 169 | |
| 170 | void finishFrameStats(Frame* pic, FrameEncoder *curEncoder, uint64_t bits); |
| 171 | |
| 172 | protected: |
| 173 | |
| 174 | void initSPS(SPS *sps); |
| 175 | void initPPS(PPS *pps); |
| 176 | }; |
| 177 | } |
| 178 | |
| 179 | #endif // ifndef X265_ENCODER_H |