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334 lines
12 KiB
334 lines
12 KiB
/******************************************************************************
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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 bit_allocation.h
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*
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* \brief
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* This file contain bit processing function declarations
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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 _BIT_ALLOCATION_H_
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#define _BIT_ALLOCATION_H_
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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#define MIN_THRESHOLD_VBV_GOP_ERROR (0.30)
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#define MAX_THRESHOLD_VBV_GOP_ERROR (0.80)
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#define MAX_THRESHOLD_VBV_FRM_ERROR (0.80)
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/*****************************************************************************/
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/* Structure */
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/*****************************************************************************/
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typedef struct bit_allocation_t *bit_allocation_handle;
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/*****************************************************************************/
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/* Function Declarations */
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/*****************************************************************************/
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WORD32 bit_allocation_num_fill_use_free_memtab(
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bit_allocation_handle *pps_bit_allocation,
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itt_memtab_t *ps_memtab,
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ITT_FUNC_TYPE_E e_func_type);
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void init_bit_allocation(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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WORD32 i4_num_intra_frm_interval, /* num such intervals */
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WORD32 i4_bit_rate, /* num bits per second */
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WORD32 i4_frm_rate, /* num frms in 1000 seconds */
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WORD32 *i4_peak_bit_rate,
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WORD32 i4_min_bitrate, /* The minimum bit rate that is to be satisfied for a gop */
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WORD32 i4_pels_in_frame,
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WORD32 i4_is_hbr,
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WORD32 i4_num_active_pic_type,
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WORD32 i4_lap_window,
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WORD32 i4_field_pic,
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WORD32 rc_pass,
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WORD32 i4_luma_pels,
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WORD32 i4_enable_look_ahead);
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LWORD64 ba_get_rbip_and_num_frames(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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WORD32 *pi4_num_frames);
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void assign_complexity_coeffs(
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bit_allocation_handle ps_bit_allocation, float af_sum_weigh[MAX_PIC_TYPE][3]);
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void init_prev_header_bits(
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bit_allocation_handle ps_bit_allocation, pic_handling_handle ps_pic_handling);
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/* Estimates the number of texture bits required by the current frame */
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WORD32 get_cur_frm_est_texture_bits(
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bit_allocation_handle ps_bit_allocation,
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rc_rd_model_handle *pps_rd_model,
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est_sad_handle ps_est_sad,
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pic_handling_handle ps_pic_handling,
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cbr_buffer_handle ps_cbr_buffer,
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picture_type_e e_pic_type,
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WORD32 i4_use_model,
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WORD32 i4_is_scd_frame,
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WORD32 i4_call_type,
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float i_to_avg_ratio,
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WORD32 i4_is_model_valid);
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WORD32 bit_alloc_get_intra_bits(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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cbr_buffer_handle ps_cbr_buf_handling,
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picture_type_e e_pic_type,
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number_t *pvq_complexity_estimate,
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WORD32 i4_is_scd,
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float scd_ratio,
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WORD32 i4_call_type,
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WORD32 i4_non_I_scd,
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float f_percent_head_bits);
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/* Estimate the number of header bits required by the current frame */
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WORD32
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get_cur_frm_est_header_bits(bit_allocation_handle ps_bit_allocation, picture_type_e e_pic_type);
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/* Get the remaining bits allocated in the period */
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WORD32 get_rem_bits_in_period(
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bit_allocation_handle ps_bit_allocation, pic_handling_handle ps_pic_handling);
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WORD32 ba_get_frame_rate(bit_allocation_handle ps_bit_allocation);
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WORD32 get_bits_per_frame(bit_allocation_handle ps_bit_allocation);
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WORD32 ba_get_bit_rate(bit_allocation_handle ps_bit_allocation);
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void ba_get_peak_bit_rate(bit_allocation_handle ps_bit_allocation, WORD32 *pi4_peak_bit_rate);
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LWORD64 ba_get_buffer_play_bits_for_cur_gop(bit_allocation_handle ps_bit_allocation);
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LWORD64 ba_get_gop_bits(bit_allocation_handle ps_bit_allocation);
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LWORD64 ba_get_gop_sad(bit_allocation_handle ps_bit_allocation);
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/* Updates the bit allocation module with the actual encoded values */
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void update_cur_frm_consumed_bits(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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cbr_buffer_handle ps_cbr_buf_handle,
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WORD32 i4_total_frame_bits,
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WORD32 i4_model_updation_hdr_bits,
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picture_type_e e_pic_type,
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UWORD8 u1_is_scd,
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WORD32 i4_last_frm_in_gop,
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WORD32 i4_lap_comp_bits_reset,
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WORD32 i4_suppress_bpic_update,
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WORD32 i4_buffer_based_bit_error,
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WORD32 i4_stuff_bits,
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WORD32 i4_lap_window_comp,
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rc_type_e e_rc_type,
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WORD32 i4_num_gop,
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WORD32 i4_is_pause_to_resume,
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WORD32 i4_est_text_bits_ctr_update_qp,
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WORD32 *pi4_gop_correction,
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WORD32 *pi4_new_correction);
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void check_and_update_bit_allocation(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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WORD32 i4_max_bits_inflow_per_frm);
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/* Based on the change in frame/bit rate update the remaining bits in period */
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void change_remaining_bits_in_period(
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bit_allocation_handle ps_bit_allocation,
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WORD32 i4_bit_rate,
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WORD32 i4_frame_rate,
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WORD32 *i4_peak_bit_rate);
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/* Change the gop size in the middle of a current gop */
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void change_gop_size(
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bit_allocation_handle ps_bit_allocation,
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WORD32 i4_intra_frm_interval,
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WORD32 i4_inter_frm_interval,
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WORD32 i4_num_intra_frm_interval);
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void update_rem_frms_in_period(
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bit_allocation_handle ps_bit_allocation,
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picture_type_e e_pic_type,
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UWORD8 u1_is_first_frm,
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WORD32 i4_intra_frm_interval,
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WORD32 i4_num_intra_frm_interval);
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void change_rem_bits_in_prd_at_force_I_frame(
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bit_allocation_handle ps_bit_allocation, pic_handling_handle ps_pic_handling);
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void change_ba_peak_bit_rate(bit_allocation_handle ps_bit_allocation, WORD32 *ai4_peak_bit_rate);
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void init_intra_header_bits(bit_allocation_handle ps_bit_allocation, WORD32 i4_intra_header_bits);
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WORD32 get_prev_header_bits(bit_allocation_handle ps_bit_allocation, WORD32 pic_type);
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void set_Kp_Kb_for_hi_motion(bit_allocation_handle ps_bit_allocation);
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void ba_get_qp_offset_offline_data(
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WORD32 ai4_offsets[5],
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WORD32 i4_ratio,
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float f_ratio,
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WORD32 i4_num_active_pic_type,
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WORD32 *pi4_complexity_bin);
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void reset_Kp_Kb(
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bit_allocation_handle ps_bit_allocation,
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float f_i_to_avg_ratio,
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WORD32 i4_num_active_pic_type,
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float f_hme_sad_per_pixel,
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float f_max_hme_sad_per_pixel,
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WORD32 *pi4_complexity_bin,
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WORD32 i4_rc_pass);
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WORD32 get_Kp_Kb(bit_allocation_handle ps_bit_allocation, picture_type_e e_pic_type);
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/*get total bits for scene cut frame*/
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WORD32 get_scene_change_tot_frm_bits(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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cbr_buffer_handle ps_cbr_buf_handling,
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WORD32 i4_num_pixels,
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WORD32 i4_f_sim_lap,
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float i_to_avg_rest,
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WORD32 i4_call_type,
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WORD32 i4_non_I_scd,
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WORD32 i4_is_infinite_gop);
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void update_estimate_status(
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bit_allocation_handle ps_bit_allocation,
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WORD32 i4_est_texture_bits,
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WORD32 i4_hdr_bits,
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WORD32 i4_est_text_bits_ctr_get_qp);
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void bit_allocation_set_num_scd_lap_window(
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bit_allocation_handle ps_bit_allocation,
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WORD32 i4_num_scd_in_lap_window,
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WORD32 i4_next_sc_i_in_rc_look_ahead);
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void bit_allocation_set_sc_i_in_rc_look_ahead(
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bit_allocation_handle ps_bit_allocation, WORD32 i4_num_scd_in_lap_window);
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/*updates gop based bit error entropy and rdopt estimate*/
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void bit_allocation_update_gop_level_bit_error(
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bit_allocation_handle ps_bit_allocation, WORD32 i4_error_bits);
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/*
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The parsing of stat file is done at the end of init (by that time bit allocation init would have already happened,
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The memory for gop stat data is alocated inside the parse stat file code. Hence the pointer has to be updated again
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*/
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void ba_init_stat_data(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handling,
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void *pv_gop_stat,
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WORD32 *pi4_pic_dist_in_cur_gop,
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WORD32 i4_total_bits_in_period,
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WORD32 i4_excess_bits);
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void get_prev_frame_total_header_bits(
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bit_allocation_handle ps_bit_allocation,
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WORD32 *pi4_prev_frame_total_bits,
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WORD32 *pi4_prev_frame_header_bits,
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picture_type_e e_pic_type);
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void rc_update_bit_distribution_gop_level_2pass(
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bit_allocation_handle ps_bit_allocation,
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pic_handling_handle ps_pic_handle,
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void *pv_gop_stat,
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rc_type_e e_rc_type,
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WORD32 i4_num_gop,
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WORD32 i4_start_gop_number,
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float f_avg_qscale_first_pass,
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WORD32 i4_max_ebf,
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WORD32 i4_ebf,
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LWORD64 i8_tot_bits_sequence,
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WORD32 i4_comp_error);
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LWORD64 bit_alloc_get_gop_num(bit_allocation_handle ps_bit_allocation);
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float get_cur_peak_factor_2pass(bit_allocation_handle ps_bit_allocation);
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float get_cur_min_complexity_factor_2pass(bit_allocation_handle ps_bit_allocation);
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void set_2pass_total_gops(bit_allocation_handle ps_bit_allocation, WORD32 i4_num_gop);
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WORD32 ba_get_min_bits_per_frame(bit_allocation_handle ps_bit_allocation);
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void set_bit_allocation_i_frames(
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bit_allocation_handle ps_bit_allocation,
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cbr_buffer_handle ps_cbr_buffer,
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pic_handling_handle ps_pic_handle,
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WORD32 i4_lap_window_comp,
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WORD32 i4_num_frames);
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void bit_alloc_set_curr_i_to_sum_i(bit_allocation_handle ps_bit_allocation, float f_i_to_sum);
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void ba_set_gop_stat_in_bit_alloc(
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bit_allocation_handle ps_bit_allocation, void *pv_gop_stat_summary);
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WORD32 ba_get_luma_pels(bit_allocation_handle ps_bit_allocation);
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void overflow_avoided_summation(WORD32 *pi4_accumulator, WORD32 i4_input);
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float ba_get_sum_complexity_segment_cross_peak(bit_allocation_handle ps_bit_allocation);
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WORD32 ba_get_prev_frame_tot_est_bits(bit_allocation_handle ps_bit_allocation, WORD32 i4_pic);
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WORD32 ba_get_prev_frame_tot_bits(bit_allocation_handle ps_bit_allocation, WORD32 i4_pic);
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void ba_set_avg_qscale_first_pass(
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bit_allocation_handle ps_bit_allocation, float f_average_qscale_1st_pass);
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void ba_set_max_avg_qscale_first_pass(
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bit_allocation_handle ps_bit_allocation, float f_average_qscale_1st_pass);
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float ba_get_max_avg_qscale_first_pass(bit_allocation_handle ps_bit_allocation);
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float ba_get_avg_qscale_first_pass(bit_allocation_handle ps_bit_allocation);
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float ba_get_min_complexity_for_peak_br(
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WORD32 i4_peak_bit_rate,
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WORD32 i4_bit_rate,
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float f_peak_rate_factor,
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float f_max_val,
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float f_min_val,
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WORD32 i4_pass);
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float ba_gop_info_average_qscale_gop_without_offset(bit_allocation_handle ps_bit_allocation);
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float ba_get_qscale_max_clip_in_second_pass(bit_allocation_handle ps_bit_allocation);
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float ba_gop_info_average_qscale_gop(bit_allocation_handle ps_bit_allocation);
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WORD32 ba_get_frame_number_in_gop(bit_allocation_handle ps_bit_allocation);
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void bit_alloc_set_2pass_total_frames(
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bit_allocation_handle ps_bit_allocation, WORD32 i4_total_2pass_frames);
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WORD32 ba_get_2pass_total_frames(bit_allocation_handle ps_bit_allocation);
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WORD32 ba_get_2pass_bit_rate(bit_allocation_handle ps_bit_allocation);
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void ba_set_2pass_bit_rate(bit_allocation_handle ps_bit_allocation, WORD32 i4_2pass_bit_rate);
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void ba_set_2pass_avg_bit_rate(
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bit_allocation_handle ps_bit_allocation, LWORD64 i8_2pass_avg_bit_rate);
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void ba_set_enable_look_ahead(bit_allocation_handle ps_bit_allocation, WORD32 i4_enable_look_ahead);
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#endif
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