homerHEVC代码阅读（8）——基础结构之henc_thread_t

henc_thread_t是编码器线程类

// 编码器线程类// 还有一些属性的含义还不清楚，以后补充struct henc_thread_t{    // 所属的编码器引擎    hvenc_engine_t*enc_engine;    // 索引    uintindex;    // 是否启用wfpp宫内    intwfpp_enable;    // wfpp线程的数量    intwfpp_num_threads;    // 信号量，用于通知有一个帧到来了，synchro_sem[0]表示I帧，synchro_sem[1]表示B或P帧    hmr_sem_tsynchro_sem[2];// 0 for intra_frame synchronization, 1 for inter frame synchronization    hmr_sem_ptrsynchro_signal[2];// 0 for intra_frame synchronization, 1 for inter frame synchronization    hmr_sem_ptrsynchro_wait[2];// 0 for intra_frame synchronization, 1 for inter frame synchronization    intnum_wait_sem;    intdbg_sem_post_cnt;    // 比特流    bitstream_t*bs;    //header info        // 视频参数集    vps_t*vps;        // 序列参数集    sps_t*sps;        // 图像参数集    pps_t*pps;    // 编码器的配置，不再赘述    //Encoder Cfg    //Encoding layer    intpict_width[3], pict_height[3];    intpict_width_in_ctu, pict_height_in_ctu;    intpict_total_ctu;    intctu_width[3], ctu_height[3];    //intctu_group_size;    //cfg    intmax_cu_size;    intmax_cu_size_shift;//log2 of max cu size    intmax_cu_size_shift_chroma;    intmax_intra_tr_depth;    intmax_inter_tr_depth;    intmax_pred_partition_depth;//, max_inter_pred_depth;//max depth for prediction    intmotion_estimation_precision;    // 当前CU的分割数    intnum_partitions_in_cu;        intnum_partitions_in_cu_shift;    intmincu_mintr_shift_diff;//log2//g_uiAddCUDepth        // 最大cu的深度    intmax_cu_depth;//m_uiMaxCUDepth        // 最小cu的尺寸    intmin_cu_size;    intmin_cu_size_shift;//log2    intmin_tu_size_shift;//log2    intmax_tu_size_shift;//log2    // 档次    intprofile;        // 比特深度    intbit_depth;        // 率失真模式    intrd_mode;        // 性能模式    intperformance_mode;        // 帧内预测中CU的分割数    uintnum_intra_partitions;        // 帧间预测中CU的分割数    uintnum_total_partitions;        // 总的CTU的数量    uintnum_total_ctus;    int*partition_depth_start;//start of depths in the partition_info list    //cu_partition_info_t*partition_info;//recursive structure list to store the state of the recursive computing stages    //current processing state and buffers        // 当前的cu和下一个cu    intcu_current, cu_next;        // 当前cu的坐标    intcu_current_x, cu_current_y;    // 这些窗口的含义暂时还不清楚    wnd_tcurr_mbs_wnd;//original MBs to be coded    wnd_tprediction_wnd;//prediction applied to original MBs    wnd_tresidual_wnd;//residual after substracting prediction    wnd_tresidual_dec_wnd;//decoded residual. output of inverse transform    wnd_ttransform_quant_wnd_[NUM_QUANT_WNDS];//windows to be used with pointers    wnd_t*transform_quant_wnd[NUM_QUANT_WNDS];//for transform coefficients and quantification    wnd_titransform_iquant_wnd;//for itransform coefficients and iquantification    wnd_tdecoded_mbs_wnd_[NUM_DECODED_WNDS];//windows to be used with pointers    wnd_t*decoded_mbs_wnd[NUM_DECODED_WNDS];    //deblock filter    //cu_partition_info_t* deblock_partition_info;//recursive structure list to store the state of the recursive computing stages    uint8_t*deblock_edge_filter[2];    uint8_t*deblock_filter_strength_bs[2];    //sao    int16_t*sao_sign_line_buff1;//m_signLineBuf1;    int16_t*sao_sign_line_buff2; //m_signLineBuf2;    //quarter precission buffers    // 量化器精度的缓冲区    wnd_tfiltered_block_wnd[4][4];    wnd_tfiltered_block_temp_wnd[4];    //intra predicition    // 下面的一些属性用于帧内预测        // 改变量用于存放当前cu左边一列和上边一行的数据    int16_t(*adi_pred_buff);//this buffer holds the left column and top row for intra pred (bottom2top and left2right)    // 同上    int16_t(*adi_filtered_pred_buff);//this buffer holds the left column and top row for intra pred (bottom2top and left2right)        // 用于帧内预测的中间buffer    int16_t(*top_pred_buff);//intermediate buffer to calculate intra prediction samples    int16_t(*left_pred_buff);//intermediate buffer to calculate intra prediction samples    int16_t(*bottom_pred_buff);//intermediate buffer to calculate intra prediction samples    int16_t(*right_pred_buff);//intermediate buffer to calculate intra prediction samples    intadi_size;//size of adi buffer    int16_t(*pred_aux_buff);    intpred_aux_buff_size;//size of aux buffer    int16_t(*aux_buff);    uint8_t(*cabac_aux_buff);    intcabac_aux_buff_size;    //ctu_info_t*curr_ctu_group_info;//this is supposed to be a small window matching the processing grain    uint8_t*cbf_buffs[NUM_PICT_COMPONENTS][MAX_PARTITION_DEPTH];    uint8_t*cbf_buffs_chroma[NUM_PICT_COMPONENTS];//processing aux buffers    uint8_t*intra_mode_buffs[NUM_PICT_COMPONENTS][MAX_PARTITION_DEPTH];    uint8_t*tr_idx_buffs[MAX_PARTITION_DEPTH];    //inter 帧间预测        // amvp的候选列表    mv_candiate_list_tamvp_candidates[2];        // merge模式的候选列表    mv_candiate_list_tmerge_mvp_candidates[2];        // 搜索mv的候选列表    mv_candiate_list_tmv_search_candidates;//non normative candidate list for motion_search    //rd，率失真    // CTU信息    ctu_info_t*ctu_rd;//[MAX_MB_GROUP_SIZE];    // enc_env_t实际就是sbac    enc_env_t*ee;//encoding enviroment of the processing element        // 比特计数器    enc_env_t*ec;//encoding counter  of the processing element        // 上下文模型    context_model_t*aux_contexts;        // 二进制模型    binary_model_taux_bm;    //rate distortion    // 率失真    rate_distortion_trd;    uint32_tacc_dist;    //rate control    // 速率控制    // 已经编码的CTU个数    uintnum_encoded_ctus;//num CABAC encoded ctus    // 比特数    uintnum_bits;    // 目标图像的大小    uinttarget_pict_size;        intacc_qp;    intwrite_qp_flag;    intcurr_ref_qp;//for qp modification when cbf=0    intfound_zero_cbf;//for qp modification when cbf=0    // 底层函数对象    low_level_funcs_t*funcs;};