123 lines
5.3 KiB
C
123 lines
5.3 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/*!
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******************************************************************************
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* \file rate_control_api_structs.h
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*
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* \brief
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* This file contains rate_control API struct and constant macro
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*
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* \date
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*
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* \author
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* ittiam
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*
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******************************************************************************
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*/
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#ifndef _RATE_CONTROL_API_STRUCTS_H_
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#define _RATE_CONTROL_API_STRUCTS_H_
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/* The following definitions were present in rc_cntrl_param.h, moved to this file
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as it is used by rate_control_api.c*/
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/*#define VBR_BIT_ALLOC_PERIOD 3 num_frm_in_period = BIT_ALLOC_PERIOD*intra_frame_interval */
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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#define CBR_BIT_ALLOC_PERIOD 1
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#define MAX_SCENE_NUM_RC 30
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#define HALF_MAX_SCENE_NUM_RC MAX_SCENE_NUM_RC / 2
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/*****************************************************************************/
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/* Structure */
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/*****************************************************************************/
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/* Rate control state structure */
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typedef struct rate_control_api_t
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{
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rc_type_e e_rc_type; /* RC Algorithm */
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UWORD8 u1_is_mb_level_rc_on; /* Whether MB level rc is enabled or not */
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/* rate_control_param_t s_rate_control_param; Store a copy of input parameters for re-initialisation */
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pic_handling_handle ps_pic_handling; /* Picture handling struct */
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rc_rd_model_handle aps_rd_model[MAX_PIC_TYPE]; /* Model struct for I and P frms */
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vbr_storage_vbv_handle ps_vbr_storage_vbv; /* VBR storage VBV structure */
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est_sad_handle ps_est_sad; /* Calculate the estimated SAD */
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bit_allocation_handle ps_bit_allocation; /* Allocation of bits for each frame */
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mb_rate_control_handle ps_mb_rate_control; /* MB Level rate control state structure */
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sad_acc_handle ps_sad_acc; /* Sad accumulator */
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UWORD8 au1_is_first_frm_coded[MAX_PIC_TYPE];
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WORD32 ai4_prev_frm_qp[MAX_SCENE_NUM_RC][MAX_PIC_TYPE];
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WORD32 ai4_prev_frm_qp_q6[MAX_SCENE_NUM_RC][MAX_PIC_TYPE];
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cbr_buffer_handle ps_cbr_buffer;
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UWORD8 au1_avg_bitrate_changed[MAX_PIC_TYPE];
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UWORD8 u1_is_first_frm;
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/* UWORD8 au1_min_max_qp[(MAX_PIC_TYPE << 1)]; */
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WORD32 ai4_min_qp[MAX_PIC_TYPE];
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WORD32 ai4_max_qp[MAX_PIC_TYPE];
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WORD32 ai4_max_qp_q6[MAX_PIC_TYPE];
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WORD32 ai4_min_qp_q6[MAX_PIC_TYPE];
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WORD32 i4_prev_frm_est_bits;
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WORD32 i4_orig_frm_est_bits;
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vbr_str_prms_t s_vbr_str_prms;
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init_qp_handle ps_init_qp;
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/* Store the values which are to be impacted after a delay */
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UWORD32 u4_frms_in_delay_prd_for_peak_bit_rate_change;
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UWORD32 au4_new_peak_bit_rate[MAX_NUM_DRAIN_RATES];
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picture_type_e prev_ref_pic_type;
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WORD32 i4_P_to_I_ratio;
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WORD32 ai4_min_texture_bits[MAX_PIC_TYPE];
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/* Complexity based buffer movement */
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WORD32 i4_prev_ref_is_scd;
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WORD32 i4_is_hbr; /*Flag to indicate CBR_NLDRC_HBR*/
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WORD32 i4_num_active_pic_type;
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WORD32 i4_lap_f_sim;
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WORD32 i4_quality_preset;
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WORD32 i4_scd_I_frame_estimated_tot_bits;
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WORD32 i4_I_frame_qp_model; /*offline = 0, online = 1*/
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LWORD64 i8_per_pixel_p_frm_hme_sad_q10;
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UWORD32 u4_min_scd_hevc_qp;
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UWORD32 u4_bit_depth_based_max_qp;
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UWORD8 u1_bit_depth;
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FILE *pf_rc_stat_file;
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WORD32 i4_rc_pass; /*variable to differentiate first pass and second pass*/
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WORD32 i4_max_frame_width;
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WORD32 i4_max_frame_height;
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void *pv_2pass_gop_summary;
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WORD32 i4_num_gop;
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void *pv_rc_sys_api;
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/*In static cases signal the future underflow warning to lower the qp*/
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WORD32 i4_underflow_warning;
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float f_max_hme_sad_per_pixel;
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/*f_p_to_i_comp_ratio is for comparison of pre intra complexity of i & p frames
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It is used for jacking up of p frame qp if i frame was
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extremely simple to avoid overconsumption of bits in p frame*/
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float f_p_to_i_comp_ratio;
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/*i4_scd_in_period_2_pass is used to signal the scd in period for 2 pass
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this signal is one of the criteria for clipping the sudden increase of qp*/
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WORD32 i4_scd_in_period_2_pass;
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WORD32 i4_is_infinite_gop;
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WORD32 i4_frames_since_last_scd;
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WORD32 i4_num_frame_parallel;
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WORD32 ai4_est_tot_bits[MAX_NUM_FRAME_PARALLEL];
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WORD32 i4_capped_vbr_flag;
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} rate_control_api_t;
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#endif /*_RATE_CONTROL_API_STRUCTS_H_*/
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