/****************************************************************************** * * * Copyright (C) 2023 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 */ #pragma once struct ixheaace_mps_qmf_filter_bank { const FLOAT32 *pstr_filter; VOID *ptr_filter_states; WORD32 filter_size; WORD32 no_channels; WORD32 no_col; WORD32 lsb; WORD32 usb; UWORD8 p_stride; }; typedef struct ixheaace_mps_qmf_filter_bank ixheaace_mps_qmf_filter_bank, *ixheaace_mps_pstr_qmf_filter_bank; IA_ERRORCODE ixheaace_mps_212_qmf_init_filter_bank(ixheaace_mps_pstr_qmf_filter_bank pstr_qmf_filter_bank, VOID *p_filter_states, WORD32 num_cols, WORD32 lsb, WORD32 usb, WORD32 no_channels); IA_ERRORCODE ixheaace_mps_212_qmf_analysis_filtering_slot( ixheaace_mps_pstr_qmf_filter_bank pstr_qmf_filter_bank, FLOAT32 *qmf_real, FLOAT32 *qmf_imag, const FLOAT32 *time_in, const WORD32 stride, FLOAT32 *p_work_buffer, WORD8 *ptr_scratch);