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 IXHEAACD_ENV_DEC_H 21 #define IXHEAACD_ENV_DEC_H 22 23 IA_ERRORCODE ixheaacd_dec_sbrdata(ia_sbr_header_data_struct *ptr_header_data_ch_0, 24 ia_sbr_header_data_struct *ptr_header_data_ch_1, 25 ia_sbr_frame_info_data_struct *ptr_sbr_data_ch_0, 26 ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_0, 27 ia_sbr_frame_info_data_struct *ptr_sbr_data_ch_1, 28 ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_1, 29 ixheaacd_misc_tables *ptr_common_tables, WORD32 ldmps_present, 30 WORD32 audio_object_type, WORD32 ec_flag); 31 32 IA_ERRORCODE ixheaacd_dec_sbrdata_for_pvc( 33 ia_sbr_header_data_struct *ptr_header_data, 34 ia_sbr_frame_info_data_struct *ptr_sbr_data, 35 ia_sbr_prev_frame_data_struct *ptr_prev_data, 36 WORD32 audio_object_type); 37 38 VOID ixheaacd_harm_idx_onethreelp(WORD32 *ptr_real_buf, WORD16 *ptr_gain_buf, 39 WORD scale_change, WORD16 *ptr_sine_level_buf, 40 const WORD32 *ptr_rand_ph, 41 WORD16 *noise_lvl_me, WORD num_subband, 42 FLAG noise_absc_flag, WORD freq_inv_flag, 43 WORD noise_e, WORD sub_band_start); 44 45 VOID ixheaacd_harm_idx_zerotwo(FLAG noise_absc_flag, WORD16 num_subband, 46 WORD32 *ptr_real_buf, WORD32 *ptr_im, 47 WORD16 *smoothed_gain, WORD16 *smoothed_noise, 48 WORD factor, WORD16 *ptr_gain_buf, 49 WORD16 scale_change, const WORD32 *ptr_rand_ph, 50 WORD16 *ptr_sine_level_buf, WORD16 noise_e, 51 WORD32 harm_index); 52 53 VOID ixheaacd_harm_idx_onethree(FLAG noise_absc_flag, WORD16 num_subband, 54 WORD32 *ptr_real_buf, WORD32 *ptr_im, 55 WORD16 *smoothed_gain, WORD16 *smoothed_noise, 56 WORD factor, WORD16 *ptr_gain_buf, 57 WORD16 scale_change, const WORD32 *ptr_rand_ph, 58 WORD16 *ptr_sine_level_buf, WORD16 noise_e, 59 WORD freq_inv_flag, WORD32 harm_index); 60 61 IA_ERRORCODE ixheaacd_dec_envelope(ia_sbr_header_data_struct *ptr_header_data, 62 ia_sbr_frame_info_data_struct *ptr_sbr_data, 63 ia_sbr_prev_frame_data_struct *ptr_prev_data, 64 ia_sbr_prev_frame_data_struct *ptr_prev_data_ch_1, 65 ixheaacd_misc_tables *pstr_common_tables, 66 WORD32 audio_object_type, WORD32 ec_flag); 67 68 VOID ixheaacd_lean_sbrconcealment(ia_sbr_header_data_struct *ptr_header_data, 69 ia_sbr_frame_info_data_struct *ptr_sbr_data, 70 ia_sbr_prev_frame_data_struct *ptr_prev_data); 71 72 #endif 73