| /****************************************************************************** |
| * * |
| * 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_QMF_DEC_H |
| #define IXHEAACD_QMF_DEC_H |
| |
| typedef struct { |
| WORD32 no_channels; |
| const WORD16 *analy_win_coeff; |
| const WORD16 *p_filter; |
| const WORD16 *cos_twiddle; |
| const WORD16 *sin_twiddle; |
| const WORD16 *alt_sin_twiddle; |
| const WORD16 *t_cos; |
| const WORD16 *t_sin; |
| |
| WORD16 *anal_filter_states; |
| WORD16 *filter_states; |
| WORD16 num_time_slots; |
| |
| WORD16 lsb; |
| WORD16 usb; |
| |
| WORD16 qmf_filter_state_size; |
| WORD16 *core_samples_buffer; |
| WORD16 ana_offset; |
| WORD16 *filter_pos; |
| WORD16 *dummy_0; |
| WORD16 ixheaacd_drc_offset; |
| WORD16 *filter_pos_syn; |
| WORD16 *dummy_1; |
| |
| WORD32 *analy_win_coeff_32; |
| const WORD32 *p_filter_32; |
| const WORD32 *esbr_cos_twiddle; |
| const WORD32 *esbr_alt_sin_twiddle; |
| const WORD32 *esbr_t_cos; |
| WORD32 *anal_filter_states_32; |
| WORD32 *state_new_samples_pos_low_32; |
| WORD32 *filter_states_32; |
| WORD32 *filter_pos_32; |
| WORD32 *filter_pos_syn_32; |
| |
| WORD16 *fp1_anal; |
| WORD16 *fp2_anal; |
| WORD16 *filter_2; |
| |
| WORD16 *fp1_syn; |
| WORD16 *fp2_syn; |
| WORD16 sixty4; |
| |
| } ia_sbr_qmf_filter_bank_struct; |
| |
| VOID ixheaacd_cplx_anal_qmffilt(const WORD16 *time_inp, |
| ia_sbr_scale_fact_struct *sbr_scale_factor, |
| WORD32 **qmf_real, WORD32 **qmf_imag, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr, |
| WORD ch_fac, WORD32 low_pow_flag, |
| WORD audio_object_type); |
| |
| VOID ixheaacd_cplx_synt_qmffilt( |
| WORD32 **qmf_real, WORD32 **qmf_im, WORD32 split_slot, |
| ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 *time_out, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, ia_ps_dec_struct *ptr_ps_dec, |
| FLAG active, FLAG low_pow_flag, ia_sbr_tables_struct *sbr_tables_ptr, |
| ixheaacd_misc_tables *pstr_common_tables, WORD ch_fac, FLAG drc_on, |
| WORD32 drc_sbr_factors[][64], WORD32 audio_object_type); |
| |
| VOID ixheaacd_esbr_qmfanal32_winadd(WORD32 *inp1, WORD32 *inp2, |
| WORD32 *tmp_qmf_1, WORD32 *tmp_qmf_2, |
| WORD32 *out, WORD32 num_band); |
| |
| VOID ixheaacd_esbr_fwd_modulation(const WORD32 *time_in, WORD32 *r_subband, |
| WORD32 *i_subband, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_esbr_inv_modulation(WORD32 *qmf_real, |
| ia_sbr_qmf_filter_bank_struct *syn_qmf, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_shiftrountine_with_rnd_hq(WORD32 *qmf_real, WORD32 *qmf_imag, |
| WORD32 *filter_states, WORD32 len, |
| WORD32 shift); |
| |
| VOID ixheaacd_esbr_qmfsyn64_winadd(WORD32 *tmp1, WORD32 *tmp2, WORD32 *tmp3, |
| WORD32 *sample_buffer, WORD ch_fac); |
| |
| VOID ixheaacd_sbr_qmfanal32_winadds(WORD16 *fp1, WORD16 *fp2, WORD16 *filter_1, |
| WORD16 *filter_2, WORD32 *analysis_buffer, |
| WORD16 *filter_states, |
| const WORD16 *time_sample_buf, |
| WORD32 ch_fac); |
| |
| VOID ixheaacd_sbr_qmfanal32_winadds_eld(WORD16 *fp1, WORD16 *fp2, |
| WORD16 *filter_1, WORD16 *filter_2, |
| WORD32 *analysis_buffer, |
| WORD16 *filter_states, |
| const WORD16 *time_sample_buf, |
| WORD32 ch_fac); |
| |
| VOID ixheaacd_fwd_modulation(const WORD32 *p_time_in1, WORD32 *real_subband, |
| WORD32 *imag_subband, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| VOID ixheaacd_dct3_32(WORD32 *input, WORD32 *output, |
| const WORD16 *main_twidle_fwd, const WORD16 *post_tbl, |
| const WORD16 *w_16, const WORD32 *p_table); |
| |
| VOID ixheaacd_dec_DCT2_64_asm(WORD32 *dct_in, WORD32 *ptime_out, WORD32 *w1024, |
| UWORD8 *dig_rev_table2_128, WORD16 *post_fft_tbl, |
| WORD16 *dct23_tw, WORD16 *filter_states); |
| VOID ixheaacd_cos_sin_mod(WORD32 *subband, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, |
| WORD16 *p_twiddle, WORD32 *p_dig_rev_tbl); |
| VOID ixheaacd_shiftrountine(WORD32 *qmf_real, WORD32 *qmf_imag, WORD32 len, |
| WORD32 common_shift); |
| VOID ixheaacd_shiftrountine_with_rnd(WORD32 *qmf_real, WORD32 *qmf_imag, |
| WORD16 *filter_states, WORD32 len, |
| WORD32 shift); |
| |
| VOID ixheaacd_radix4bfly(const WORD16 *w, WORD32 *x, WORD32 npoints, |
| WORD32 ch_fac); |
| |
| VOID ixheaacd_postradixcompute4(WORD32 *ptr_y, WORD32 *ptr_x, |
| const WORD32 *p_dig_rev_tbl, WORD32 npoints); |
| |
| VOID ixheaacd_postradixcompute2(WORD32 *ptr_y, WORD32 *ptr_x, |
| const WORD32 *p_dig_rev_tbl, WORD32 npoints); |
| |
| VOID ixheaacd_shiftrountine_with_rnd_eld(WORD32 *qmf_real, WORD32 *qmf_imag, |
| WORD16 *filter_states, WORD32 len, |
| WORD32 shift); |
| |
| void ixheaacd_sbr_imdct_using_fft(const WORD32 *ptr_w, WORD32 npoints, |
| WORD32 *ptr_x, WORD32 *ptr_y, |
| UWORD8 *bit_rev_1024, UWORD8 *bit_rev_512, |
| UWORD8 *bit_rev_128, UWORD8 *bit_rev_32); |
| |
| VOID ixheaacd_esbr_cos_sin_mod_loop1(WORD32 *subband, WORD32 M, |
| const WORD32 *p_sin_cos, |
| WORD32 subband_tmp[]); |
| |
| VOID ixheaacd_esbr_cos_sin_mod_loop2(WORD32 *subband, const WORD32 *p_sin, |
| WORD32 M); |
| |
| VOID ixheaacd_esbr_radix4bfly(const WORD32 *p_twiddle, WORD32 subband_tmp[], |
| WORD32 a, WORD32 npoint); |
| |
| VOID ixheaacd_radix4bfly(const WORD16 *w, WORD32 *x, WORD32 npoints, |
| WORD32 ch_fac); |
| |
| VOID ixheaacd_postradixcompute4(WORD32 *ptr_y, WORD32 *ptr_x, |
| const WORD32 *p_dig_rev_tbl, WORD32 npoints); |
| |
| VOID ixheaacd_postradixcompute2(WORD32 *ptr_y, WORD32 *ptr_x, |
| const WORD32 *p_dig_rev_tbl, WORD32 npoints); |
| |
| VOID ixheaacd_cos_sin_mod_loop1(WORD32 *subband, WORD32 M, |
| const WORD16 *p_sin_cos, WORD32 subband_tmp[]); |
| |
| VOID ixheaacd_cos_sin_mod_loop2(WORD32 *subband, const WORD16 *p_sin, WORD32 M); |
| |
| VOID ixheaacd_sbr_qmfsyn64_winadd(WORD16 *tmp1, WORD16 *tmp2, WORD16 *inp1, |
| WORD16 *sample_buffer, FLAG shift, |
| WORD32 ch_fac); |
| |
| VOID ixheaacd_esbr_cos_sin_mod(WORD32 *subband, |
| ia_sbr_qmf_filter_bank_struct *qmf_bank, |
| WORD32 *p_twiddle, WORD32 *p_dig_rev_tbl); |
| |
| VOID ixheaacd_inv_modulation_lp(WORD32 *qmf_real, WORD16 *filter_states, |
| ia_sbr_qmf_filter_bank_struct *syn_qmf, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_sbr_pre_twiddle(WORD32 *p_xre, WORD32 *p_xim, WORD16 *p_twiddles); |
| |
| VOID ixheaacd_inv_emodulation(WORD32 *qmf_real, |
| ia_sbr_qmf_filter_bank_struct *syn_qmf, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_pretwdct2(WORD32 *inp, WORD32 *out_fwd); |
| |
| VOID ixheaacd_sbr_qmfanal32_winadd_eld(WORD16 *inp1, WORD16 *inp2, |
| WORD16 *p_qmf1, WORD16 *p_qmf2, |
| WORD32 *p_out); |
| |
| VOID ixheaacd_dct2_32(WORD32 *inp, WORD32 *out, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr, |
| WORD16 *filter_states); |
| |
| VOID ixheaacd_inv_modulation_lp(WORD32 *qmf_real, WORD16 *filter_states, |
| ia_sbr_qmf_filter_bank_struct *syn_qmf, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_fftposttw(WORD32 *out, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| VOID ixheaacd_posttwdct2(WORD32 *inp, WORD16 *out_fwd, |
| ia_qmf_dec_tables_struct *qmf_dec_tables_ptr); |
| |
| #endif |
