3dfa708b6e
* Loudness leveling support for encoder and decoder
- Addition of loudness leveling support to encoder and
decoder as per ISO/IEC 23003-4:2020/Amd.2:2023(E)
Testing:
Encoder: Smoke-test
Decoder: CTS and Conformance for x86, x86_64, armv7 and armv8 are
passing
* Addressed review comments
* Addressed minor nits in documentation
---------
Co-authored-by: Akshay Ragir <100833@ittiam.com>
141 lines
4.2 KiB
C
141 lines
4.2 KiB
C
/******************************************************************************
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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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#ifndef IMPD_DRC_API_STRUCT_DEF_H
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#define IMPD_DRC_API_STRUCT_DEF_H
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/****************************************************************************/
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/* structure definitions */
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/****************************************************************************/
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/* DRC Configuration */
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typedef struct ia_drc_config_struct {
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WORD32 bitstream_file_format;
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WORD32 dec_type;
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WORD32 sub_band_domain_mode;
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WORD32 num_ch_in;
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WORD32 num_ch_out;
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WORD32 sampling_rate;
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WORD32 control_parameter_index;
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WORD32 delay_mode;
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WORD32 absorb_delay_on;
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WORD32 gain_delay_samples;
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WORD32 subband_domain_io_flag;
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WORD32 frame_size;
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WORD32 sub_band_down_sampling_factor;
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WORD32 sub_band_count;
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WORD32 peak_limiter;
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WORD32 interface_bitstream_present;
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WORD32 pcm_size;
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WORD32 parametric_drc_delay_gain_dec_instance;
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WORD32 parametric_drc_delay;
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WORD32 parametric_drc_delay_max;
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WORD32 eq_delay_gain_dec_instance;
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WORD32 eq_delay;
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WORD32 eq_delay_max;
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WORD32 delay_line_samples;
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WORD32 constant_delay_on;
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WORD32 audio_delay_samples;
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WORD32 effect_type;
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WORD32 target_loudness;
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WORD32 loud_norm_flag;
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WORD32 album_mode;
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FLOAT32 boost;
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FLOAT32 compress;
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UWORD8 boost_set;
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UWORD8 compress_set;
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WORD32 apply_crossfade;
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WORD32 is_config_changed;
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WORD32 ln_dbgain_prev;
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#ifdef LOUDNESS_LEVELING_SUPPORT
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WORD32 loudness_leveling_flag;
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#endif
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} ia_drc_config_struct;
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/* DRC bitsteam handler */
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typedef struct bits_handler {
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UWORD8 *bitstream_drc_config;
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UWORD8 *bitstream_loudness_info;
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UWORD8 *bitstream_unidrc_interface;
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UWORD8 *it_bit_buf;
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WORD32 num_bytes_bs_drc_config;
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WORD32 num_bytes_bs_loudness_info;
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WORD32 num_bits_read_bs_unidrc_interface;
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WORD32 num_bytes_bs_unidrc_interface;
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WORD32 num_bits_read_bs;
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WORD32 num_bytes_read_bs;
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WORD32 num_bytes_bs;
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WORD32 num_bytes_offset_bs;
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WORD32 num_total_bytes;
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WORD32 num_bits_offset_bs;
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WORD32 byte_index_bs;
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WORD32 num_byts_cur;
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WORD32 num_byts_cur_ic;
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WORD32 num_byts_cur_il;
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WORD32 num_byts_cur_in;
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WORD32 cpy_over;
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WORD32 cpy_over_ic;
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WORD32 cpy_over_il;
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WORD32 cpy_over_in;
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WORD32 gain_stream_flag;
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} ia_drc_bits_handler_struct;
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typedef struct {
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ia_drc_bits_dec_struct *pstr_bitstream_dec;
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ia_drc_gain_dec_struct *pstr_gain_dec[2];
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ia_drc_sel_pro_struct *pstr_selection_proc;
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ia_drc_config *pstr_drc_config;
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ia_drc_loudness_info_set_struct *pstr_loudness_info;
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ia_drc_gain_struct *pstr_drc_gain;
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ia_drc_interface_struct *pstr_drc_interface;
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ia_drc_peak_limiter_struct *pstr_peak_limiter;
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ia_drc_qmf_filt_struct *pstr_qmf_filter;
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ia_drc_sel_proc_params_struct *pstr_drc_sel_proc_params;
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ia_drc_sel_proc_output_struct *pstr_drc_sel_proc_output;
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} ia_drc_payload_struct;
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typedef struct ia_drc_state_struct {
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UWORD32 ui_out_bytes;
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UWORD32 ui_in_bytes;
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UWORD32 ui_ir_bytes;
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UWORD32 total_num_out_samples;
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UWORD32 frame_no;
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UWORD32 out_size;
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UWORD32 ui_init_done;
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UWORD32 ui_exe_done;
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UWORD32 ui_ir_used;
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WORD32 delay_in_output;
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WORD32 delay_adjust_samples;
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pVOID persistent_ptr;
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} ia_drc_state_struct;
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typedef struct IA_PSM_API_Struct {
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ia_drc_state_struct *p_state;
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ia_drc_config_struct str_config;
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ia_drc_payload_struct str_payload;
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ia_drc_bits_handler_struct str_bit_handler;
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ia_mem_info_struct *p_mem_info;
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pVOID *pp_mem;
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struct ia_bit_buf_struct str_bit_buf, *pstr_bit_buf;
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WORD32 frame_count;
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} ia_drc_api_struct;
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#endif
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