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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2018 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 #ifndef IMPD_DRC_API_STRUCT_DEF_H
     21 #define IMPD_DRC_API_STRUCT_DEF_H
     22 
     23 /****************************************************************************/
     24 /*                          structure definitions                           */
     25 /****************************************************************************/
     26 /* DRC Configuration */
     27 typedef struct ia_drc_config_struct {
     28   WORD32 bitstream_file_format;
     29   WORD32 dec_type;
     30   WORD32 sub_band_domain_mode;
     31   WORD32 num_ch_in;
     32   WORD32 num_ch_out;
     33   WORD32 sampling_rate;
     34   WORD32 control_parameter_index;
     35   WORD32 delay_mode;
     36   WORD32 absorb_delay_on;
     37   WORD32 gain_delay_samples;
     38   WORD32 subband_domain_io_flag;
     39   WORD32 frame_size;
     40   WORD32 sub_band_down_sampling_factor;
     41   WORD32 sub_band_count;
     42   WORD32 peak_limiter;
     43   WORD32 interface_bitstream_present;
     44   WORD32 pcm_size;
     45   WORD32 parametric_drc_delay_gain_dec_instance;
     46   WORD32 parametric_drc_delay;
     47   WORD32 parametric_drc_delay_max;
     48   WORD32 eq_delay_gain_dec_instance;
     49   WORD32 eq_delay;
     50   WORD32 eq_delay_max;
     51   WORD32 delay_line_samples;
     52   WORD32 constant_delay_on;
     53   WORD32 audio_delay_samples;
     54 
     55   WORD32 effect_type;
     56   WORD32 target_loudness;
     57   WORD32 loud_norm_flag;
     58 
     59 } ia_drc_config_struct;
     60 
     61 /* DRC bitsteam handler */
     62 typedef struct bits_handler {
     63   UWORD8 *bitstream_drc_config;
     64   UWORD8 *bitstream_loudness_info;
     65   UWORD8 *bitstream_unidrc_interface;
     66   UWORD8 *it_bit_buf;
     67   WORD32 num_bytes_bs_drc_config;
     68   WORD32 num_bytes_bs_loudness_info;
     69   WORD32 num_bits_read_bs_unidrc_interface;
     70   WORD32 num_bytes_bs_unidrc_interface;
     71   WORD32 num_bits_read_bs;
     72   WORD32 num_bytes_read_bs;
     73   WORD32 num_bytes_bs;
     74   WORD32 num_bits_offset_bs;
     75   WORD32 byte_index_bs;
     76   WORD32 num_byts_cur;
     77   WORD32 num_byts_cur_ic;
     78   WORD32 num_byts_cur_il;
     79   WORD32 num_byts_cur_in;
     80   WORD32 cpy_over;
     81   WORD32 cpy_over_ic;
     82   WORD32 cpy_over_il;
     83   WORD32 cpy_over_in;
     84   WORD32 gain_stream_flag;
     85 } ia_drc_bits_handler_struct;
     86 
     87 typedef struct {
     88   ia_drc_bits_dec_struct *pstr_bitstream_dec;
     89   ia_drc_gain_dec_struct *pstr_gain_dec[2];
     90   ia_drc_sel_pro_struct *pstr_selection_proc;
     91   ia_drc_config *pstr_drc_config;
     92   ia_drc_loudness_info_set_struct *pstr_loudness_info;
     93   ia_drc_gain_struct *pstr_drc_gain;
     94   ia_drc_interface_struct *pstr_drc_interface;
     95 
     96   ia_drc_peak_limiter_struct *pstr_peak_limiter;
     97   ia_drc_qmf_filt_struct *pstr_qmf_filter;
     98   ia_drc_sel_proc_params_struct *pstr_drc_sel_proc_params;
     99   ia_drc_sel_proc_output_struct *pstr_drc_sel_proc_output;
    100 
    101 } ia_drc_payload_struct;
    102 
    103 typedef struct ia_drc_state_struct {
    104   UWORD32 ui_out_bytes;
    105   UWORD32 ui_in_bytes;
    106   UWORD32 ui_ir_bytes;
    107   UWORD32 total_num_out_samples;
    108   UWORD32 frame_no;
    109   UWORD32 out_size;
    110   UWORD32 ui_init_done;
    111   UWORD32 ui_exe_done;
    112   UWORD32 ui_ir_used;
    113   WORD32 delay_in_output;
    114   WORD32 delay_adjust_samples;
    115   pVOID persistant_ptr;
    116 } ia_drc_state_struct;
    117 
    118 typedef struct IA_PSM_API_Struct {
    119   ia_drc_state_struct *p_state;
    120   ia_drc_config_struct str_config;
    121   ia_drc_payload_struct str_payload;
    122   ia_drc_bits_handler_struct str_bit_handler;
    123   ia_mem_info_struct *p_mem_info;
    124   pVOID *pp_mem;
    125   struct ia_bit_buf_struct str_bit_buf, *pstr_bit_buf;
    126 
    127 } ia_drc_api_struct;
    128 
    129 #endif
    130