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/******************************************************************************
*
* Copyright (C) 2018 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 IMPD_DRC_PROCESS_AUDIO_H
#define IMPD_DRC_PROCESS_AUDIO_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
WORD32 multiband_audio_sig_count;
WORD32 frame_size;
FLOAT32** non_interleaved_audio;
} ia_audio_band_buffer_struct;
typedef struct {
WORD32 audio_num_chan;
WORD32 frame_size;
WORD32 audio_sub_band_count;
WORD32 audio_sub_band_frame_size;
WORD32 audio_delay_samples;
WORD32 audio_delay_sub_band_samples;
FLOAT32** audio_io_buffer_delayed;
FLOAT32** audio_buffer_delayed_real;
FLOAT32** audio_buffer_delayed_imag;
FLOAT32** audio_in_out_buf;
FLOAT32** audio_real_buff;
FLOAT32** audio_imag_buff;
} ia_audio_in_out_buf;
WORD32
impd_filter_banks_process(ia_drc_instructions_struct* pstr_drc_instruction_arr,
const WORD32 drc_instructions_index,
ia_drc_params_struct* ia_drc_params_struct,
FLOAT32* audio_io_buf[],
ia_audio_band_buffer_struct* audio_band_buffer,
ia_filter_banks_struct* ia_filter_banks_struct,
const WORD32 passThru);
VOID impd_store_audio_io_buffer_time(
FLOAT32* audio_in_out_buf[], ia_audio_in_out_buf* audio_io_buf_internal);
VOID impd_store_audio_io_buffer_freq(
FLOAT32* audio_real_buff[], FLOAT32* audio_imag_buff[],
ia_audio_in_out_buf* audio_io_buf_internal);
VOID impd_retrieve_audio_io_buffer_time(
FLOAT32* audio_in_out_buf[], ia_audio_in_out_buf* audio_io_buf_internal);
VOID impd_retrieve_audio_buffer_freq(
FLOAT32* audio_real_buff[], FLOAT32* audio_imag_buff[],
ia_audio_in_out_buf* audio_io_buf_internal);
VOID impd_advance_audio_io_buffer_time(
ia_audio_in_out_buf* audio_io_buf_internal);
#ifdef __cplusplus
}
#endif
#endif
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