/****************************************************************************** * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /*! ****************************************************************************** * \file ihevce_sub_pic_rc.c * * \brief * * \date * 18/09/2012 * * \author * Ittiam * * List of Functions * ****************************************************************************** */ /*****************************************************************************/ /* File Includes */ /*****************************************************************************/ /* System include files */ #include #include #include #include #include #include /* User include files */ #include "ihevc_typedefs.h" #include "itt_video_api.h" #include "ihevce_api.h" #include "rc_cntrl_param.h" #include "rc_frame_info_collector.h" #include "rc_look_ahead_params.h" #include "ihevc_defs.h" #include "ihevc_debug.h" #include "ihevc_structs.h" #include "ihevc_platform_macros.h" #include "ihevc_deblk.h" #include "ihevc_itrans_recon.h" #include "ihevc_chroma_itrans_recon.h" #include "ihevc_chroma_intra_pred.h" #include "ihevc_intra_pred.h" #include "ihevc_inter_pred.h" #include "ihevc_mem_fns.h" #include "ihevc_padding.h" #include "ihevc_weighted_pred.h" #include "ihevc_sao.h" #include "ihevc_resi_trans.h" #include "ihevc_quant_iquant_ssd.h" #include "ihevc_cabac_tables.h" #include "ihevce_defs.h" #include "ihevce_buffer_que_interface.h" #include "ihevce_hle_interface.h" #include "ihevce_hle_q_func.h" #include "ihevce_lap_enc_structs.h" #include "ihevce_multi_thrd_structs.h" #include "ihevce_me_common_defs.h" #include "ihevce_had_satd.h" #include "ihevce_error_checks.h" #include "ihevce_error_codes.h" #include "ihevce_bitstream.h" #include "ihevce_cabac.h" #include "ihevce_trace.h" #include "ihevce_function_selector.h" #include "ihevce_enc_structs.h" #include "ihevce_global_tables.h" #include "ihevce_cmn_utils_instr_set_router.h" #include "ihevce_rdoq_macros.h" #include "ihevce_entropy_structs.h" #include "ihevce_entropy_interface.h" #include "ihevce_enc_loop_structs.h" #include "hme_datatype.h" #include "hme_interface.h" #include "hme_common_defs.h" #include "hme_defs.h" #include "ihevce_rc_enc_structs.h" #include "ihevce_rc_interface.h" #include "ihevce_sub_pic_rc.h" #include "cast_types.h" #include "osal.h" #include "osal_defaults.h" /*****************************************************************************/ /* Globals */ /*****************************************************************************/ /* @ brief : Qp deviation of -6 to 6 is mapped */ float qp_scale_dev[13] = { 0.5, 0.56, 0.630, 0.707, 0.794, 0.891, 1.00, 1.122, 1.259, 1.414, 1.587, 1.782, 2.00 }; /*****************************************************************************/ /* Constant Macros */ /*****************************************************************************/ #define IN_FRAME_RC_PRINT 0 #define IN_FRAME_RC_FRAME_NUM 4 /*****************************************************************************/ /* Function Definitions */ /*****************************************************************************/ /*! ****************************************************************************** * \if Function name : ihevce_sub_pic_rc_bits_fill \endif * * \brief * Sub-pic RC thread interface function * * \param[in] Frame process pointer * * \return * None * * \author * Ittiam * ***************************************************************************** */ void ihevce_sub_pic_rc_in_data( void *pv_multi_thrd_ctxt, void *pv_ctxt, void *pv_ctb_ipe_analyse, void *pv_frm_ctb_prms) { multi_thrd_ctxt_t *ps_multi_thrd_ctxt = (multi_thrd_ctxt_t *)pv_multi_thrd_ctxt; ihevce_enc_loop_ctxt_t *ps_ctxt = (ihevce_enc_loop_ctxt_t *)pv_ctxt; ipe_l0_ctb_analyse_for_me_t *ps_ctb_ipe_analyse = (ipe_l0_ctb_analyse_for_me_t *)pv_ctb_ipe_analyse; frm_ctb_ctxt_t *ps_frm_ctb_prms = (frm_ctb_ctxt_t *)pv_frm_ctb_prms; WORD32 j = 0; WORD32 i4_frm_id = ps_ctxt->i4_enc_frm_id; WORD32 i4_br_id = ps_ctxt->i4_bitrate_instance_num; WORD32 i4_thrd_id = ps_ctxt->thrd_id; WORD32 i4_ctb_count_flag = 0; WORD32 i4_is_intra_pic = (ISLICE == ps_ctxt->i1_slice_type); /*Accumalate all the variables in shared memory */ for(j = 0; j < (MAX_CU_IN_CTB >> 2); j++) { ps_multi_thrd_ctxt->ai8_nctb_ipe_sad[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctb_ipe_analyse->ai4_best_sad_8x8_l1_ipe[j]; ps_multi_thrd_ctxt->ai8_nctb_me_sad[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctb_ipe_analyse->ai4_best_sad_8x8_l1_me[j]; ps_multi_thrd_ctxt->ai8_nctb_act_factor[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctb_ipe_analyse->ai4_8x8_act_factor[j]; } ps_multi_thrd_ctxt->ai8_nctb_l0_ipe_sad[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctb_ipe_analyse->i4_ctb_acc_satd; /*Accumalte L0 MPM bits for N CTB*/ ps_multi_thrd_ctxt->ai8_nctb_mpm_bits_consumed[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctb_ipe_analyse->i4_ctb_acc_mpm_bits; /*Accumate the total bits and hdr bits for N Ctbs*/ ps_multi_thrd_ctxt->ai8_nctb_bits_consumed[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctxt->u4_total_cu_bits; ps_multi_thrd_ctxt->ai8_acc_bits_consumed[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctxt->u4_total_cu_bits; ps_multi_thrd_ctxt->ai8_acc_bits_mul_qs_consumed[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctxt->u4_total_cu_bits_mul_qs; ps_multi_thrd_ctxt->ai8_nctb_hdr_bits_consumed[i4_frm_id][i4_br_id][i4_thrd_id] += ps_ctxt->u4_total_cu_hdr_bits; /*Reset the total CU bits, accumalated for all CTBS*/ ps_ctxt->u4_total_cu_bits = 0; ps_ctxt->u4_total_cu_hdr_bits = 0; ps_ctxt->u4_total_cu_bits_mul_qs = 0; /*Put mutex lock for incrementing cb count */ osal_mutex_lock(ps_multi_thrd_ctxt->pv_sub_pic_rc_mutex_lock_hdl); ps_multi_thrd_ctxt->ai4_acc_ctb_ctr[i4_frm_id][i4_br_id] += 1; ps_multi_thrd_ctxt->ai4_ctb_ctr[i4_frm_id][i4_br_id] += 1; /*Check if the acc ctb counter across thread has reached the required threshold */ if(ps_multi_thrd_ctxt->ai4_acc_ctb_ctr[i4_frm_id][i4_br_id] >= ps_ctxt->i4_num_ctb_for_out_scale) { i4_ctb_count_flag = 1; /*Reset accumalated CTB counter appropriately s */ ps_multi_thrd_ctxt->ai4_acc_ctb_ctr[i4_frm_id][i4_br_id] = 0; } /*Variables to be sent in the queue after required ctb count is reached */ if(1 == i4_ctb_count_flag) { WORD32 i4_temp_thrd_id; LWORD64 i8_nctb_l1_me_sad = 0, i8_nctb_l1_ipe_sad = 0; LWORD64 i8_nctb_l0_ipe_satd = 0, i8_nctb_l1_activity_fact = 0; LWORD64 i8_nctb_hdr_bits_consumed = 0, i8_nctb_l0_mpm_bits = 0; LWORD64 i8_nctb_bits_consumed = 0, i8_acc_bits_consumed = 0, i8_acc_bits_mul_qs_consumed = 0; LWORD64 i8_frame_l1_ipe_sad, i8_frame_l0_ipe_satd, i8_frame_l1_me_sad; LWORD64 i8_frame_l1_activity_fact, i8_frame_bits_estimated; for(i4_temp_thrd_id = 0; i4_temp_thrd_id < ps_ctxt->i4_num_proc_thrds; i4_temp_thrd_id++) { /*Accumalte only if thread id is valid */ if(ps_multi_thrd_ctxt->ai4_thrd_id_valid_flag[i4_frm_id][i4_br_id][i4_temp_thrd_id] == 1) { /*store complexities for the ctbs across all threads till then */ i8_nctb_l1_me_sad += ps_multi_thrd_ctxt->ai8_nctb_me_sad[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_nctb_l1_ipe_sad += ps_multi_thrd_ctxt->ai8_nctb_ipe_sad[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_nctb_l0_ipe_satd += ps_multi_thrd_ctxt->ai8_nctb_l0_ipe_sad[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_nctb_l1_activity_fact += ps_multi_thrd_ctxt->ai8_nctb_act_factor[i4_frm_id][i4_br_id][i4_temp_thrd_id]; /*Set encoder total and hdr bits and mpm bits for that N ctbs */ i8_nctb_hdr_bits_consumed += ps_multi_thrd_ctxt ->ai8_nctb_hdr_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_nctb_l0_mpm_bits += ps_multi_thrd_ctxt ->ai8_nctb_mpm_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_nctb_bits_consumed += ps_multi_thrd_ctxt->ai8_nctb_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id]; /*Set encoder total bits for ctbs till then */ i8_acc_bits_consumed += ps_multi_thrd_ctxt->ai8_acc_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id]; i8_acc_bits_mul_qs_consumed += ps_multi_thrd_ctxt ->ai8_acc_bits_mul_qs_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id]; /*Reset NCTB total and hdr, mpm bits counter to zero */ ps_multi_thrd_ctxt->ai8_nctb_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id] = 0; ps_multi_thrd_ctxt ->ai8_nctb_hdr_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id] = 0; ps_multi_thrd_ctxt ->ai8_nctb_mpm_bits_consumed[i4_frm_id][i4_br_id][i4_temp_thrd_id] = 0; } } /*Store all frame level params */ i8_frame_l1_ipe_sad = ps_ctxt->i8_frame_l1_ipe_sad; i8_frame_l0_ipe_satd = ps_ctxt->i8_frame_l0_ipe_satd; i8_frame_l1_me_sad = ps_ctxt->i8_frame_l1_me_sad; i8_frame_l1_activity_fact = ps_ctxt->i8_frame_l1_activity_fact; i8_frame_bits_estimated = ps_ctxt->ai4_frame_bits_estimated[i4_frm_id][i4_br_id]; /*If CU level RC is disabled reset the nctb and frame level factor */ if(0 == ps_ctxt->i4_qp_mod) { i8_frame_l1_activity_fact = 0; } ASSERT(ps_ctxt->ai4_frame_bits_estimated[i4_frm_id][i4_br_id] != 0); { float bits_estimated, activity_ratio = 1; WORD32 i8_ctb_bits_estimated; float f_bit_deviation; WORD32 i4_tot_frame_ctb = ps_frm_ctb_prms->i4_num_ctbs_vert * ps_frm_ctb_prms->i4_num_ctbs_horz; /*The QP limit can only increment/decrement by 3/1 */ float f_qp_increase_limit = (1.414); //float f_qp_decrease_limit = (0.891); /*Frame level activity is set to 0 for cu-level rc off*/ if(i8_frame_l1_activity_fact != 0) activity_ratio = (float)(i8_frame_l1_activity_fact) / (float)(i8_nctb_l1_activity_fact); activity_ratio = 1; /*Estimate the bits to be consumed based on the intra and inter complexity */ if(i4_is_intra_pic) { float sad_ratio = (float)(i8_nctb_l0_ipe_satd) / (float)(i8_frame_l0_ipe_satd); bits_estimated = sad_ratio * activity_ratio * ((float)i8_frame_bits_estimated); } else { float sad_ratio = (float)(i8_nctb_l1_me_sad) / (float)(i8_frame_l1_me_sad); bits_estimated = sad_ratio * activity_ratio * ((float)i8_frame_bits_estimated); } i8_ctb_bits_estimated = (i8_frame_bits_estimated / i4_tot_frame_ctb); /*for better control on both sides*/ f_bit_deviation = ((i8_acc_bits_consumed * 1.0) / bits_estimated); //printf("\n dev = %f\t",f_bit_deviation); /* if consumed bits is higher than 7.5% or consumed bits is lower by 20%)*/ if((f_bit_deviation > 1.075) || ((f_bit_deviation < 0.8) && (ps_ctxt->i4_is_model_valid == 0 || (ps_multi_thrd_ctxt->ai4_threshold_reached[i4_frm_id][i4_br_id])))) { float f_qscale_avg_factor; WORD32 i4_cu_qp_sub_pic_rc_curr; /*get the Qscale of Frame QP*/ WORD32 i4_frm_qs_q3 = (ps_ctxt->ps_rc_quant_ctxt->pi4_qp_to_qscale [ps_ctxt->i4_frame_qp + ps_ctxt->ps_rc_quant_ctxt->i1_qp_offset]); WORD32 i4_prev_qp = ps_ctxt->i4_frame_mod_qp; ps_multi_thrd_ctxt->ai4_threshold_reached[i4_frm_id][i4_br_id] = 1; /*Calculating Intra scale factor */ if(i4_is_intra_pic) { /*In case of lower QP, Qscale increase at every step is very low, which doesn't allow QP increase to meet the rate, hence disable deviation clip below QP 4 for all bitdepth*/ if(i4_prev_qp > MIN_QP_NO_CLIP_DEV) { /* Clip the bits deviation such that it never cross +3 qp shifts from average QP so far coded with in-frame rc*/ if(f_bit_deviation > f_qp_increase_limit) { f_bit_deviation = f_qp_increase_limit; } } /*The current qscale should do not deviate +/- 3 QP from the previous qscale */ f_qscale_avg_factor = (((float)(i8_acc_bits_mul_qs_consumed * (1 << QSCALE_Q_FAC_3))) / (i8_acc_bits_consumed * i4_frm_qs_q3)); i4_cu_qp_sub_pic_rc_curr = f_qscale_avg_factor * f_bit_deviation * (1 << QP_LEVEL_MOD_ACT_FACTOR); } else /*Calculating Inter scale factor */ { /*In case of lower QP, Qscale increase at every step is very low, which doesn't allow QP increase to meet the rate, hence disable deviation clip below QP 4 for all bitdepth*/ if(i4_prev_qp > MIN_QP_NO_CLIP_DEV) { /* Clip the bits deviation such that it never cross +3 qp shifts from average QP so far coded with in-frame rc*/ if(f_bit_deviation > f_qp_increase_limit) { f_bit_deviation = f_qp_increase_limit; } } /*The current qscale should do not deviate +/- 3 QP from the previous qscale */ f_qscale_avg_factor = (((float)(i8_acc_bits_mul_qs_consumed * (1 << QSCALE_Q_FAC_3))) / (i8_acc_bits_consumed * i4_frm_qs_q3)); i4_cu_qp_sub_pic_rc_curr = f_qscale_avg_factor * f_bit_deviation * (1 << QP_LEVEL_MOD_ACT_FACTOR); } //printf("Avg_qscale = %f\t qs_inq3 = %d",f_qscale_avg_factor,i4_frm_qs_q3); /*update of previous chunk QP in multi-thread context, so that all threads can use it from now onwards*/ { ps_multi_thrd_ctxt->ai4_prev_chunk_qp[i4_frm_id][i4_br_id] = ps_ctxt->i4_frame_mod_qp; } /*Limit the qp from decreasing less than 6 compared to frame qp */ { osal_mutex_lock(ps_multi_thrd_ctxt->pv_sub_pic_rc_for_qp_update_mutex_lock_hdl); ps_multi_thrd_ctxt->ai4_curr_qp_estimated[i4_frm_id][i4_br_id] = i4_cu_qp_sub_pic_rc_curr; osal_mutex_unlock( ps_multi_thrd_ctxt->pv_sub_pic_rc_for_qp_update_mutex_lock_hdl); } } } } osal_mutex_unlock(ps_multi_thrd_ctxt->pv_sub_pic_rc_mutex_lock_hdl); return; } /*! ****************************************************************************** * \if Function name : ihevce_sub_pic_rc_qp_query \endif * * \brief * Sub-pic RC thread interface function * * \param[in] Frame process pointer * * \return * None * * \author * Ittiam * ***************************************************************************** */ void ihevce_sub_pic_rc_scale_query(void *pv_multi_thrd_ctxt, void *pv_ctxt) { multi_thrd_ctxt_t *ps_multi_thrd_ctxt = (multi_thrd_ctxt_t *)pv_multi_thrd_ctxt; ihevce_enc_loop_ctxt_t *ps_ctxt = (ihevce_enc_loop_ctxt_t *)pv_ctxt; WORD32 i4_mod_qp, i4_prev_qs; WORD32 i4_previous_chunk_qp; WORD32 i4_qp_delata_max_limit, i4_qp_delata_min_limit; osal_mutex_lock(ps_multi_thrd_ctxt->pv_sub_pic_rc_for_qp_update_mutex_lock_hdl); i4_mod_qp = (ps_ctxt->ps_rc_quant_ctxt ->pi4_qp_to_qscale[ps_ctxt->i4_frame_qp + ps_ctxt->ps_rc_quant_ctxt->i1_qp_offset]); i4_previous_chunk_qp = ps_multi_thrd_ctxt ->ai4_prev_chunk_qp[ps_ctxt->i4_enc_frm_id][ps_ctxt->i4_bitrate_instance_num]; i4_prev_qs = (ps_ctxt->ps_rc_quant_ctxt ->pi4_qp_to_qscale[i4_previous_chunk_qp + ps_ctxt->ps_rc_quant_ctxt->i1_qp_offset]); /*Limit the qp_delta_scale if it exceeds the limit of QP51 and QP 1 */ i4_qp_delata_max_limit = ps_ctxt->ps_rc_quant_ctxt->i2_max_qscale * (1 << QP_LEVEL_MOD_ACT_FACTOR); i4_qp_delata_max_limit = i4_qp_delata_max_limit / i4_mod_qp; i4_qp_delata_min_limit = ps_ctxt->ps_rc_quant_ctxt->i2_min_qscale * (1 << QP_LEVEL_MOD_ACT_FACTOR); i4_qp_delata_min_limit = i4_qp_delata_min_limit / i4_mod_qp; { /*For Non-I SCD and Frames after SCD*/ /*The scale is tweeked to only increase qp (increased by 6) if the bits consumed is higher than bits estimated */ ps_ctxt->i4_cu_qp_sub_pic_rc = ps_multi_thrd_ctxt ->ai4_curr_qp_estimated[ps_ctxt->i4_enc_frm_id][ps_ctxt->i4_bitrate_instance_num]; /*Limit the Qscale */ if(ps_ctxt->i4_cu_qp_sub_pic_rc > i4_qp_delata_max_limit) { ps_ctxt->i4_cu_qp_sub_pic_rc = i4_qp_delata_max_limit; } else if(ps_ctxt->i4_cu_qp_sub_pic_rc < i4_qp_delata_min_limit) { ps_ctxt->i4_cu_qp_sub_pic_rc = i4_qp_delata_min_limit; } ps_multi_thrd_ctxt ->ai4_curr_qp_estimated[ps_ctxt->i4_enc_frm_id][ps_ctxt->i4_bitrate_instance_num] = ps_ctxt->i4_cu_qp_sub_pic_rc; } /*Accumalate the CTB level QP here and feed to rc as average qp*/ { WORD32 i4_mod_cur_qp, i4_mod_prev_qp; i4_mod_cur_qp = ((i4_mod_qp * ps_ctxt->i4_cu_qp_sub_pic_rc) + (1 << (QP_LEVEL_MOD_ACT_FACTOR - 1))) >> QP_LEVEL_MOD_ACT_FACTOR; /*Limit the qscale and qp */ if(i4_mod_cur_qp > ps_ctxt->ps_rc_quant_ctxt->i2_max_qscale) { i4_mod_cur_qp = ps_ctxt->ps_rc_quant_ctxt->i2_max_qscale; ASSERT(0); } else if(i4_mod_cur_qp < ps_ctxt->ps_rc_quant_ctxt->i2_min_qscale) { i4_mod_cur_qp = ps_ctxt->ps_rc_quant_ctxt->i2_min_qscale; ASSERT(0); } i4_mod_cur_qp = ps_ctxt->ps_rc_quant_ctxt->pi4_qscale_to_qp[i4_mod_cur_qp]; /*limit the prev qs*/ if(i4_prev_qs > ps_ctxt->ps_rc_quant_ctxt->i2_max_qscale) { i4_prev_qs = ps_ctxt->ps_rc_quant_ctxt->i2_max_qscale; } else if(i4_prev_qs < ps_ctxt->ps_rc_quant_ctxt->i2_min_qscale) { i4_prev_qs = ps_ctxt->ps_rc_quant_ctxt->i2_min_qscale; } i4_mod_prev_qp = ps_ctxt->ps_rc_quant_ctxt->pi4_qscale_to_qp[i4_prev_qs]; /*cur qp < prev qp, then allow only -1*/ if(i4_mod_cur_qp < i4_mod_prev_qp) { i4_mod_cur_qp = i4_mod_prev_qp - 1; if(i4_mod_cur_qp < (ps_ctxt->i4_frame_qp - 6)) { i4_mod_cur_qp = (ps_ctxt->i4_frame_qp - 6); } } /*In case of lower QP, Qscale increase at every step is very low, which doesn't allow QP increase to meet the rate, hence disable deviation clip below QP 4 for all bitdepth*/ if(i4_mod_cur_qp > i4_mod_prev_qp) { i4_mod_cur_qp = MIN(i4_mod_prev_qp + 3, i4_mod_cur_qp); } /* CLIP to maintain Qp between user configured and min and max Qp values*/ if(i4_mod_cur_qp > ps_ctxt->ps_rc_quant_ctxt->i2_max_qp) i4_mod_cur_qp = ps_ctxt->ps_rc_quant_ctxt->i2_max_qp; else if(i4_mod_cur_qp < ps_ctxt->ps_rc_quant_ctxt->i2_min_qp) i4_mod_cur_qp = ps_ctxt->ps_rc_quant_ctxt->i2_min_qp; /*Modify the qp based on delta*/ ps_ctxt->i4_frame_mod_qp = i4_mod_cur_qp; ps_ctxt->i4_is_first_query = 0; if(ps_ctxt->i4_frame_mod_qp != ps_ctxt->i4_frame_qp) { ps_ctxt->i4_is_ctb_qp_modified = 1; } } ps_multi_thrd_ctxt->ai4_curr_qp_acc[ps_ctxt->i4_enc_frm_id][ps_ctxt->i4_bitrate_instance_num] += ps_ctxt->i4_frame_mod_qp; osal_mutex_unlock(ps_multi_thrd_ctxt->pv_sub_pic_rc_for_qp_update_mutex_lock_hdl); return; }