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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 IMPD_DRC_UNI_MULTI_BAND_H
#define IMPD_DRC_UNI_MULTI_BAND_H
#define DRC_SUBBAND_COUNT_WITH_AUDIO_CODEC_FILTERBANK_MAX FILTER_BANK_PARAMETER_COUNT
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct {
FLOAT32 overlap_weight[AUDIO_CODEC_SUBBAND_COUNT_MAX];
} ia_band_overlap_params_struct;
typedef struct {
ia_band_overlap_params_struct str_band_overlap_params[BAND_COUNT_MAX];
} ia_group_overlap_params_struct;
typedef struct {
ia_group_overlap_params_struct str_group_overlap_params[CHANNEL_GROUP_COUNT_MAX];
} ia_overlap_params_struct;
WORD32
impd_fcenter_norm_sb_init(WORD32 num_subbands,
FLOAT32* fcenter_norm_subband);
WORD32
impd_generate_slope (WORD32 num_subbands,
FLOAT32* fcenter_norm_subband,
FLOAT32 fcross_norm_lo,
FLOAT32 fcross_norm_hi,
FLOAT32* response);
WORD32
impd_generate_overlap_weights (WORD32 num_drc_bands,
WORD32 drc_band_type,
ia_gain_params_struct* gain_params,
WORD32 dec_subband_count,
ia_group_overlap_params_struct* pstr_group_overlap_params);
WORD32
impd_init_overlap_weight ( ia_uni_drc_coeffs_struct* str_p_loc_drc_coefficients_uni_drc,
ia_drc_instructions_struct* str_drc_instruction_str,
WORD32 sub_band_domain_mode,
ia_overlap_params_struct* pstr_overlap_params);
#ifdef __cplusplus
}
#endif
#endif
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