| /****************************************************************************** |
| * |
| * 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 |