| /****************************************************************************** |
| * |
| * 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 rate_control_api_structs.h |
| * |
| * \brief |
| * This file contains rate_control API struct and constant macro |
| * |
| * \date |
| * |
| * \author |
| * ittiam |
| * |
| ****************************************************************************** |
| */ |
| #ifndef _RATE_CONTROL_API_STRUCTS_H_ |
| #define _RATE_CONTROL_API_STRUCTS_H_ |
| |
| /* The following definitions were present in rc_cntrl_param.h, moved to this file |
| as it is used by rate_control_api.c*/ |
| /*#define VBR_BIT_ALLOC_PERIOD 3 num_frm_in_period = BIT_ALLOC_PERIOD*intra_frame_interval */ |
| /*****************************************************************************/ |
| /* Constant Macros */ |
| /*****************************************************************************/ |
| #define CBR_BIT_ALLOC_PERIOD 1 |
| #define MAX_SCENE_NUM_RC 30 |
| #define HALF_MAX_SCENE_NUM_RC MAX_SCENE_NUM_RC / 2 |
| |
| /*****************************************************************************/ |
| /* Structure */ |
| /*****************************************************************************/ |
| /* Rate control state structure */ |
| typedef struct rate_control_api_t |
| { |
| rc_type_e e_rc_type; /* RC Algorithm */ |
| UWORD8 u1_is_mb_level_rc_on; /* Whether MB level rc is enabled or not */ |
| /* rate_control_param_t s_rate_control_param; Store a copy of input parameters for re-initialisation */ |
| pic_handling_handle ps_pic_handling; /* Picture handling struct */ |
| rc_rd_model_handle aps_rd_model[MAX_PIC_TYPE]; /* Model struct for I and P frms */ |
| vbr_storage_vbv_handle ps_vbr_storage_vbv; /* VBR storage VBV structure */ |
| est_sad_handle ps_est_sad; /* Calculate the estimated SAD */ |
| bit_allocation_handle ps_bit_allocation; /* Allocation of bits for each frame */ |
| mb_rate_control_handle ps_mb_rate_control; /* MB Level rate control state structure */ |
| sad_acc_handle ps_sad_acc; /* Sad accumulator */ |
| UWORD8 au1_is_first_frm_coded[MAX_PIC_TYPE]; |
| WORD32 ai4_prev_frm_qp[MAX_SCENE_NUM_RC][MAX_PIC_TYPE]; |
| WORD32 ai4_prev_frm_qp_q6[MAX_SCENE_NUM_RC][MAX_PIC_TYPE]; |
| |
| cbr_buffer_handle ps_cbr_buffer; |
| UWORD8 au1_avg_bitrate_changed[MAX_PIC_TYPE]; |
| UWORD8 u1_is_first_frm; |
| /* UWORD8 au1_min_max_qp[(MAX_PIC_TYPE << 1)]; */ |
| WORD32 ai4_min_qp[MAX_PIC_TYPE]; |
| WORD32 ai4_max_qp[MAX_PIC_TYPE]; |
| WORD32 ai4_max_qp_q6[MAX_PIC_TYPE]; |
| WORD32 ai4_min_qp_q6[MAX_PIC_TYPE]; |
| |
| WORD32 i4_prev_frm_est_bits; |
| WORD32 i4_orig_frm_est_bits; |
| vbr_str_prms_t s_vbr_str_prms; |
| init_qp_handle ps_init_qp; |
| /* Store the values which are to be impacted after a delay */ |
| UWORD32 u4_frms_in_delay_prd_for_peak_bit_rate_change; |
| UWORD32 au4_new_peak_bit_rate[MAX_NUM_DRAIN_RATES]; |
| picture_type_e prev_ref_pic_type; |
| WORD32 i4_P_to_I_ratio; |
| WORD32 ai4_min_texture_bits[MAX_PIC_TYPE]; |
| /* Complexity based buffer movement */ |
| WORD32 i4_prev_ref_is_scd; |
| WORD32 i4_is_hbr; /*Flag to indicate CBR_NLDRC_HBR*/ |
| WORD32 i4_num_active_pic_type; |
| WORD32 i4_lap_f_sim; |
| WORD32 i4_quality_preset; |
| WORD32 i4_scd_I_frame_estimated_tot_bits; |
| WORD32 i4_I_frame_qp_model; /*offline = 0, online = 1*/ |
| LWORD64 i8_per_pixel_p_frm_hme_sad_q10; |
| UWORD32 u4_min_scd_hevc_qp; |
| UWORD32 u4_bit_depth_based_max_qp; |
| UWORD8 u1_bit_depth; |
| FILE *pf_rc_stat_file; |
| WORD32 i4_rc_pass; /*variable to differentiate first pass and second pass*/ |
| WORD32 i4_max_frame_width; |
| WORD32 i4_max_frame_height; |
| void *pv_2pass_gop_summary; |
| WORD32 i4_num_gop; |
| void *pv_rc_sys_api; |
| /*In static cases signal the future underflow warning to lower the qp*/ |
| WORD32 i4_underflow_warning; |
| float f_max_hme_sad_per_pixel; |
| /*f_p_to_i_comp_ratio is for comparison of pre intra complexity of i & p frames |
| It is used for jacking up of p frame qp if i frame was |
| extremely simple to avoid overconsumption of bits in p frame*/ |
| float f_p_to_i_comp_ratio; |
| /*i4_scd_in_period_2_pass is used to signal the scd in period for 2 pass |
| this signal is one of the criteria for clipping the sudden increase of qp*/ |
| WORD32 i4_scd_in_period_2_pass; |
| WORD32 i4_is_infinite_gop; |
| WORD32 i4_frames_since_last_scd; |
| WORD32 i4_num_frame_parallel; |
| WORD32 ai4_est_tot_bits[MAX_NUM_FRAME_PARALLEL]; |
| WORD32 i4_capped_vbr_flag; |
| } rate_control_api_t; |
| |
| #endif /*_RATE_CONTROL_API_STRUCTS_H_*/ |