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/******************************************************************************
*
* Copyright (C) 2015 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
*/
#ifndef _BIT_ALLOCATION_H_
#define _BIT_ALLOCATION_H_
typedef struct bit_allocation_t *bit_allocation_handle;
WORD32 irc_ba_num_fill_use_free_memtab(bit_allocation_handle *pps_bit_allocation,
itt_memtab_t *ps_memtab,
ITT_FUNC_TYPE_E e_func_type);
void irc_ba_init_bit_allocation(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling,
WORD32 i4_num_intra_frm_interval,
WORD32 i4_bit_rate,
WORD32 i4_frm_rate,
WORD32 *u4_peak_bit_rate,
WORD32 i4_min_bitrate);
/* Estimates the number of texture bits required by the current frame */
WORD32 irc_ba_get_cur_frm_est_texture_bits(bit_allocation_handle ps_bit_allocation,
rc_rd_model_handle *pps_rd_model,
est_sad_handle ps_est_sad,
pic_handling_handle ps_pic_handling,
picture_type_e e_pic_type);
/* Estimate the number of header bits required by the current frame */
WORD32 irc_ba_get_cur_frm_est_header_bits(bit_allocation_handle ps_bit_allocation,
picture_type_e e_pic_type);
/* Get the remaining bits allocated in the period */
WORD32 irc_ba_get_rem_bits_in_period(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling);
WORD32 irc_ba_get_frame_rate(bit_allocation_handle ps_bit_allocation);
WORD32 irc_ba_get_bit_rate(bit_allocation_handle ps_bit_allocation);
void irc_ba_get_peak_bit_rate(bit_allocation_handle ps_bit_allocation,
WORD32 *pi4_peak_bit_rate);
/* Updates the bit allocation module with the actual encoded values */
void irc_ba_update_cur_frm_consumed_bits(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling,
WORD32 i4_total_frame_bits,
WORD32 i4_model_updation_hdr_bits,
picture_type_e e_pic_type,
UWORD8 u1_is_scd,
WORD32 i4_last_frm_in_gop);
void irc_ba_check_and_update_bit_allocation(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling,
WORD32 i4_cur_buf_size,
WORD32 i4_max_buf_size,
WORD32 i4_max_bits_inflow_per_frm,
WORD32 i4_tot_frame_bits);
/* Based on the change in frame/bit rate update the remaining bits in period */
void irc_ba_change_remaining_bits_in_period(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling,
WORD32 i4_bit_rate,
WORD32 i4_frame_rate,
WORD32 *i4_peak_bit_rate);
/* Change the gop size in the middle of a current gop */
void change_gop_size(bit_allocation_handle ps_bit_allocation,
WORD32 i4_intra_frm_interval,
WORD32 i4_inter_frm_interval,
WORD32 i4_num_intra_frm_interval);
void update_rem_frms_in_period(bit_allocation_handle ps_bit_allocation,
picture_type_e e_pic_type,
UWORD8 u1_is_first_frm,
WORD32 i4_intra_frm_interval,
WORD32 i4_num_intra_frm_interval);
void irc_ba_change_rem_bits_in_prd_at_force_I_frame(bit_allocation_handle ps_bit_allocation,
pic_handling_handle ps_pic_handling);
void irc_ba_change_ba_peak_bit_rate(bit_allocation_handle ps_bit_allocation,
WORD32 *ai4_peak_bit_rate);
#endif
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