| /****************************************************************************** |
| * * |
| * 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_AAC_IMDCT_H |
| #define IXHEAACD_AAC_IMDCT_H |
| |
| WORD32 ixheaacd_inverse_transform( |
| WORD32 spec_data[], WORD32 scratch[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 expo, |
| WORD32 npoints); |
| |
| VOID ixheaacd_post_twiddle_dec(WORD32 out_ptr[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, |
| WORD32 npoints); |
| |
| VOID ixheaacd_post_twiddle_armv7( |
| WORD32 out_ptr[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints); |
| |
| VOID ixheaacd_post_twiddle_armv8( |
| WORD32 out_ptr[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints); |
| |
| VOID ixheaacd_post_twid_overlap_add_dec( |
| WORD16 pcm_out[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, |
| WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, |
| WORD16 ch_fac); |
| |
| VOID ixheaacd_post_twid_overlap_add_armv7( |
| WORD16 pcm_out[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, |
| WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, |
| WORD16 ch_fac); |
| |
| VOID ixheaacd_post_twid_overlap_add_armv8( |
| WORD16 pcm_out[], WORD32 spec_data[], |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, |
| WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, |
| WORD16 ch_fac); |
| |
| VOID ixheaacd_pretwiddle_compute_dec( |
| WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, |
| WORD32 neg_expo); |
| |
| VOID ixheaacd_pretwiddle_compute_armv7( |
| WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, |
| WORD32 neg_expo); |
| |
| VOID ixheaacd_pretwiddle_compute_armv8( |
| WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, |
| WORD32 neg_expo); |
| |
| VOID ixheaacd_imdct_using_fft_dec( |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| VOID ixheaacd_imdct_using_fft_armv7( |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| VOID ixheaacd_imdct_using_fft_armv8( |
| ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| VOID ixheaacd_fft_480_ld(WORD32 *inp, WORD32 *op, |
| ia_aac_dec_imdct_tables_struct *imdct_tables_ptr); |
| |
| VOID ixheaacd_pre_twiddle(WORD32 *xptr, WORD32 *data, WORD32 n, |
| WORD32 *cos_array_ptr, WORD32 neg_expo); |
| |
| VOID ixheaacd_post_twiddle_ld(WORD32 out[], WORD32 x[], |
| const WORD32 *cos_sin_ptr, WORD m); |
| |
| VOID ixheaacd_post_twiddle_eld(WORD32 out[], WORD32 x[], |
| const WORD32 *cos_sin_ptr, WORD m); |
| |
| VOID ixheaacd_fft32x32_ld_dec(ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, |
| WORD32 npoints, WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| VOID ixheaacd_fft32x32_ld2_armv7( |
| ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| VOID ixheaacd_fft32x32_ld2_armv8( |
| ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y); |
| |
| WORD16 ixheaacd_neg_expo_inc_dec(WORD16 neg_expo); |
| |
| WORD16 ixheaacd_neg_expo_inc_arm(WORD16 neg_expo); |
| |
| VOID ixheaacd_rearrange_dec(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2, |
| UWORD8 *re_arr_tab); |
| |
| VOID ia_aac_ld_dec_rearrange_armv7(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2, |
| UWORD8 *re_arr_tab); |
| |
| VOID ixheaacd_fft_15_ld_dec(WORD32 *inp, WORD32 *op, WORD32 *fft3out, |
| UWORD8 *re_arr_tab_sml_240_ptr); |
| |
| VOID ixheaacd_fft_15_ld_armv7(WORD32 *inp, WORD32 *op, WORD32 *fft3out, |
| UWORD8 *re_arr_tab_sml_240_ptr); |
| |
| VOID ixheaacd_inverse_transform_512( |
| WORD32 data[], WORD32 temp[], WORD32 *imdct_scale, WORD32 *cos_sin_ptr, |
| ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 object_type); |
| |
| VOID ixheaacd_mdct_480_ld(WORD32 *inp, WORD32 *scratch, WORD32 *mdct_scale, |
| WORD32 mdct_flag, |
| ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, |
| WORD32 object_type); |
| #endif |