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_AAC_IMDCT_H 21 #define IXHEAACD_AAC_IMDCT_H 22 23 WORD32 ixheaacd_inverse_transform( 24 WORD32 spec_data[], WORD32 scratch[], 25 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 expo, 26 WORD32 npoints); 27 28 VOID ixheaacd_post_twiddle_dec(WORD32 out_ptr[], WORD32 spec_data[], 29 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, 30 WORD32 npoints); 31 32 VOID ixheaacd_post_twiddle_armv7( 33 WORD32 out_ptr[], WORD32 spec_data[], 34 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints); 35 36 VOID ixheaacd_post_twiddle_armv8( 37 WORD32 out_ptr[], WORD32 spec_data[], 38 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints); 39 40 VOID ixheaacd_post_twid_overlap_add_dec( 41 WORD16 pcm_out[], WORD32 spec_data[], 42 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, 43 WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, 44 WORD16 ch_fac); 45 46 VOID ixheaacd_post_twid_overlap_add_armv7( 47 WORD16 pcm_out[], WORD32 spec_data[], 48 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, 49 WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, 50 WORD16 ch_fac); 51 52 VOID ixheaacd_post_twid_overlap_add_armv8( 53 WORD16 pcm_out[], WORD32 spec_data[], 54 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints, 55 WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window, 56 WORD16 ch_fac); 57 58 VOID ixheaacd_pretwiddle_compute_dec( 59 WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, 60 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, 61 WORD32 neg_expo); 62 63 VOID ixheaacd_pretwiddle_compute_armv7( 64 WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, 65 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, 66 WORD32 neg_expo); 67 68 VOID ixheaacd_pretwiddle_compute_armv8( 69 WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr, 70 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4, 71 WORD32 neg_expo); 72 73 VOID ixheaacd_imdct_using_fft_dec( 74 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, 75 WORD32 *ptr_x, WORD32 *ptr_y); 76 77 VOID ixheaacd_imdct_using_fft_armv7( 78 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, 79 WORD32 *ptr_x, WORD32 *ptr_y); 80 81 VOID ixheaacd_imdct_using_fft_armv8( 82 ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints, 83 WORD32 *ptr_x, WORD32 *ptr_y); 84 85 VOID ixheaacd_fft_480_ld(WORD32 *inp, WORD32 *op, 86 ia_aac_dec_imdct_tables_struct *imdct_tables_ptr); 87 88 VOID ixheaacd_pre_twiddle(WORD32 *xptr, WORD32 *data, WORD32 n, 89 WORD32 *cos_array_ptr, WORD32 neg_expo); 90 91 VOID ixheaacd_post_twiddle_ld(WORD32 out[], WORD32 x[], 92 const WORD32 *cos_sin_ptr, WORD m); 93 94 VOID ixheaacd_post_twiddle_eld(WORD32 out[], WORD32 x[], 95 const WORD32 *cos_sin_ptr, WORD m); 96 97 VOID ixheaacd_fft32x32_ld_dec(ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, 98 WORD32 npoints, WORD32 *ptr_x, WORD32 *ptr_y); 99 100 VOID ixheaacd_fft32x32_ld2_armv7( 101 ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints, 102 WORD32 *ptr_x, WORD32 *ptr_y); 103 104 VOID ixheaacd_fft32x32_ld2_armv8( 105 ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 npoints, 106 WORD32 *ptr_x, WORD32 *ptr_y); 107 108 WORD16 ixheaacd_neg_expo_inc_dec(WORD16 neg_expo); 109 110 WORD16 ixheaacd_neg_expo_inc_arm(WORD16 neg_expo); 111 112 VOID ixheaacd_rearrange_dec(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2, 113 UWORD8 *re_arr_tab); 114 115 VOID ia_aac_ld_dec_rearrange_armv7(WORD32 *ip, WORD32 *op, WORD32 mdct_len_2, 116 UWORD8 *re_arr_tab); 117 118 VOID ixheaacd_fft_15_ld_dec(WORD32 *inp, WORD32 *op, WORD32 *fft3out, 119 UWORD8 *re_arr_tab_sml_240_ptr); 120 121 VOID ixheaacd_fft_15_ld_armv7(WORD32 *inp, WORD32 *op, WORD32 *fft3out, 122 UWORD8 *re_arr_tab_sml_240_ptr); 123 124 VOID ixheaacd_inverse_transform_512( 125 WORD32 data[], WORD32 temp[], WORD32 *imdct_scale, WORD32 *cos_sin_ptr, 126 ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, WORD32 object_type); 127 128 VOID ixheaacd_mdct_480_ld(WORD32 *inp, WORD32 *scratch, WORD32 *mdct_scale, 129 WORD32 mdct_flag, 130 ia_aac_dec_imdct_tables_struct *imdct_tables_ptr, 131 WORD32 object_type); 132 #endif 133
