| /****************************************************************************** |
| * * |
| * 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 IXHEAACD_ENV_DEC_H |
| #define IXHEAACD_ENV_DEC_H |
| |
| WORD32 ixheaacd_dec_sbrdata(ia_sbr_header_data_struct *ptr_header_data_ch_0, |
| ia_sbr_header_data_struct *ptr_header_data_ch_1, |
| ia_sbr_frame_info_data_struct *ptr_sbr_data_ch_0, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_0, |
| ia_sbr_frame_info_data_struct *ptr_sbr_data_ch_1, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_1, |
| ixheaacd_misc_tables *ptr_common_tables); |
| |
| IA_ERRORCODE ixheaacd_dec_sbrdata_for_pvc( |
| ia_sbr_header_data_struct *ptr_header_data, |
| ia_sbr_frame_info_data_struct *ptr_sbr_data, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data); |
| |
| VOID ixheaacd_harm_idx_onethreelp(WORD32 *ptr_real_buf, WORD16 *ptr_gain_buf, |
| WORD scale_change, WORD16 *ptr_sine_level_buf, |
| const WORD32 *ptr_rand_ph, |
| WORD16 *noise_lvl_me, WORD num_subband, |
| FLAG noise_absc_flag, WORD freq_inv_flag, |
| WORD noise_e, WORD sub_band_start); |
| |
| VOID ixheaacd_harm_idx_zerotwo(FLAG noise_absc_flag, WORD16 num_subband, |
| WORD32 *ptr_real_buf, WORD32 *ptr_im, |
| WORD16 *smoothed_gain, WORD16 *smoothed_noise, |
| WORD factor, WORD16 *ptr_gain_buf, |
| WORD16 scale_change, const WORD32 *ptr_rand_ph, |
| WORD16 *ptr_sine_level_buf, WORD16 noise_e, |
| WORD32 harm_index); |
| |
| VOID ixheaacd_harm_idx_onethree(FLAG noise_absc_flag, WORD16 num_subband, |
| WORD32 *ptr_real_buf, WORD32 *ptr_im, |
| WORD16 *smoothed_gain, WORD16 *smoothed_noise, |
| WORD factor, WORD16 *ptr_gain_buf, |
| WORD16 scale_change, const WORD32 *ptr_rand_ph, |
| WORD16 *ptr_sine_level_buf, WORD16 noise_e, |
| WORD freq_inv_flag, WORD32 harm_index); |
| |
| WORD32 ixheaacd_dec_envelope(ia_sbr_header_data_struct *ptr_header_data, |
| ia_sbr_frame_info_data_struct *ptr_sbr_data, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_1, |
| ixheaacd_misc_tables *pstr_common_tables); |
| |
| VOID ixheaacd_lean_sbrconcealment(ia_sbr_header_data_struct *ptr_header_data, |
| ia_sbr_frame_info_data_struct *ptr_sbr_data, |
| ia_sbr_prev_frame_data_struct *ptr_prev_data); |
| |
| #endif |