/******************************************************************************
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* *
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef IXHEAACD_AAC_IMDCT_H
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#define IXHEAACD_AAC_IMDCT_H
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WORD32 ixheaacd_inverse_transform(
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WORD32 spec_data[], WORD32 scratch[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 expo,
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WORD32 npoints);
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VOID ixheaacd_post_twiddle_dec(WORD32 out_ptr[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables,
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WORD32 npoints);
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VOID ixheaacd_post_twiddle_armv7(
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WORD32 out_ptr[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints);
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VOID ixheaacd_post_twiddle_armv8(
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WORD32 out_ptr[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints);
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VOID ixheaacd_post_twid_overlap_add_dec(
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WORD16 pcm_out[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints,
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WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window,
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WORD16 ch_fac);
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VOID ixheaacd_post_twid_overlap_add_armv7(
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WORD16 pcm_out[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints,
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WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window,
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WORD16 ch_fac);
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VOID ixheaacd_post_twid_overlap_add_armv8(
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WORD16 pcm_out[], WORD32 spec_data[],
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints,
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WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window,
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WORD16 ch_fac);
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VOID ixheaacd_pretwiddle_compute_dec(
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WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr,
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4,
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WORD32 neg_expo);
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VOID ixheaacd_pretwiddle_compute_armv7(
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WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr,
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4,
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WORD32 neg_expo);
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VOID ixheaacd_pretwiddle_compute_armv8(
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WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr,
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4,
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WORD32 neg_expo);
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VOID ixheaacd_imdct_using_fft_dec(
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints,
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WORD32 *ptr_x, WORD32 *ptr_y);
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VOID ixheaacd_imdct_using_fft_armv7(
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints,
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WORD32 *ptr_x, WORD32 *ptr_y);
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VOID ixheaacd_imdct_using_fft_armv8(
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ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints,
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WORD32 *ptr_x, WORD32 *ptr_y);
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VOID ixheaacd_fft_480_ld(WORD32 *inp, WORD32 *op,
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ia_aac_dec_imdct_tables_struct *imdct_tables_ptr);
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VOID ixheaacd_pre_twiddle(WORD32 *xptr, WORD32 *data, WORD32 n,
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WORD32 *cos_array_ptr, WORD32 neg_expo);
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VOID ixheaacd_post_twiddle_ld(WORD32 out[], WORD32 x[],
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const WORD32 *cos_sin_ptr, WORD m);
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VOID ixheaacd_post_twiddle_eld(WORD32 out[], WORD32 x[],
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const WORD32 *cos_sin_ptr, WORD m);
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VOID ixheaacd_fft32x32_ld_dec(ia_aac_dec_imdct_tables_struct *imdct_tables_ptr,
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WORD32 npoints, WORD32 *ptr_x, WORD32 *ptr_y);
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VOID ixheaacd_fft32x32_ld2_armv7(
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ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints,
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WORD32 *ptr_x, WORD32 *ptr_y);
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VOID ixheaacd_fft32x32_ld2_armv8(
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ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints,
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WORD32 *ptr_x, WORD32 *ptr_y);
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WORD16 ixheaacd_neg_expo_inc_dec(WORD16 neg_expo);
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WORD16 ixheaacd_neg_expo_inc_arm(WORD16 neg_expo);
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VOID ixheaacd_rearrange_dec(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2,
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UWORD8 *re_arr_tab);
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VOID ia_aac_ld_dec_rearrange_armv7(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2,
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UWORD8 *re_arr_tab);
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VOID ixheaacd_fft_15_ld_dec(WORD32 *inp, WORD32 *op, WORD32 *fft3out,
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UWORD8 *re_arr_tab_sml_240_ptr);
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VOID ixheaacd_fft_15_ld_armv7(WORD32 *inp, WORD32 *op, WORD32 *fft3out,
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UWORD8 *re_arr_tab_sml_240_ptr);
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VOID ixheaacd_inverse_transform_512(
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WORD32 data[], WORD32 temp[], WORD32 *imdct_scale, WORD32 *cos_sin_ptr,
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ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 object_type);
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VOID ixheaacd_mdct_480_ld(WORD32 *inp, WORD32 *scratch, WORD32 *mdct_scale,
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WORD32 mdct_flag,
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ia_aac_dec_imdct_tables_struct *imdct_tables_ptr,
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WORD32 object_type);
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#endif
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