| /****************************************************************************** |
| * * |
| * 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_MAIN_H |
| #define IXHEAACD_MAIN_H |
| |
| VOID ixheaacd_imdct_flt(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len); |
| |
| VOID usac_tw_imdct(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len); |
| |
| WORD32 ixheaacd_window_calc(FLOAT32 window[], WORD32 len, WORD32 wfun_select); |
| |
| VOID calc_window_ratio(FLOAT32 window[], WORD32 len, WORD32 prev_len, |
| WORD32 wfun_select, WORD32 prev_wfun_select); |
| |
| WORD32 ixheaacd_tw_window_calc(FLOAT32 window[], WORD32 len, |
| WORD32 wfun_select); |
| |
| typedef struct ia_usac_lpd_decoder { |
| WORD32 mode_prev; |
| float synth_prev[MAX_PITCH + SYNTH_DELAY_LMAX]; |
| float xcitation_prev[MAX_PITCH + INTER_LP_FIL_ORDER + 1]; |
| int pitch_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1]; |
| float gain_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1]; |
| |
| float lp_flt_coeff_a_prev[2 * (ORDER + 1)]; |
| |
| FLOAT32 exc_prev[1 + (2 * FAC_LENGTH)]; |
| |
| FLOAT32 bpf_prev[FILTER_DELAY + LEN_SUBFR]; |
| |
| WORD32 ilspold[ORDER]; |
| |
| FLOAT32 fac_gain; |
| FLOAT32 fac_fd_data[FAC_LENGTH / 4]; |
| |
| FLOAT32 lsf_prev[ORDER]; |
| FLOAT32 lspold[ORDER]; |
| WORD32 lsfold_first[ORDER]; |
| |
| FLOAT32 gain_threshold; |
| |
| WORD32 fscale; |
| |
| FLOAT32 fd_synth_buf[3 * LEN_FRAME + 1 + ORDER]; |
| FLOAT32 *fd_synth; |
| WORD32 bpf_active_prev; |
| |
| } ia_usac_lpd_decoder, *ia_usac_lpd_decoder_handle; |
| |
| typedef struct ia_usac_data_main_struct { |
| FLOAT32 time_sample_vector[MAX_NUM_CHANNELS][4096]; |
| WORD32 input_data_ptr[MAX_NUM_CHANNELS][4096]; |
| WORD32 overlap_data_ptr[MAX_NUM_CHANNELS][4096]; |
| WORD32 output_data_ptr[MAX_NUM_CHANNELS][4096]; |
| |
| WORD32 window_shape[MAX_NUM_CHANNELS]; |
| WORD32 window_shape_prev[MAX_NUM_CHANNELS]; |
| WORD32 window_sequence[MAX_NUM_CHANNELS]; |
| WORD32 window_sequence_last[MAX_NUM_CHANNELS]; |
| |
| WORD32 output_samples; |
| WORD32 sbr_ratio_idx; |
| WORD32 usac_independency_flg; |
| |
| WORD32 sampling_rate_idx; |
| WORD32 audio_object_type; |
| |
| WORD32 down_samp_sbr; |
| WORD32 sbr_mode; |
| |
| WORD32 tw_mdct[MAX_ELEMENTS]; |
| WORD32 mps_pseudo_lr[MAX_ELEMENTS]; |
| WORD32 td_frame_prev[MAX_NUM_CHANNELS]; |
| |
| FLOAT32 warp_sum[MAX_NUM_CHANNELS][2]; |
| FLOAT32 warp_cont_mem[MAX_NUM_CHANNELS][3 * 1024]; |
| FLOAT32 prev_sample_pos[MAX_NUM_CHANNELS][3 * 1024]; |
| FLOAT32 prev_tw_trans_len[MAX_NUM_CHANNELS][2]; |
| WORD32 prev_tw_start_stop[MAX_NUM_CHANNELS][2]; |
| FLOAT32 prev_warped_time_sample_vector[MAX_NUM_CHANNELS][3 * 1024]; |
| |
| FLOAT32 lpc_prev[MAX_NUM_CHANNELS][ORDER + 1]; |
| FLOAT32 acelp_in[MAX_NUM_CHANNELS][1 + (2 * FAC_LENGTH)]; |
| |
| WORD32 alpha_q_re[MAX_SHORT_WINDOWS][SFB_NUM_MAX]; |
| WORD32 alpha_q_im[MAX_SHORT_WINDOWS][SFB_NUM_MAX]; |
| UWORD8 cplx_pred_used[MAX_SHORT_WINDOWS][SFB_NUM_MAX]; |
| |
| WORD32 alpha_q_re_prev[SFB_NUM_MAX]; |
| WORD32 alpha_q_im_prev[SFB_NUM_MAX]; |
| WORD32 dmx_re_prev[BLOCK_LEN_LONG]; |
| |
| VOID *sbr_scratch_mem_base; |
| |
| WORD32 *coef_fix[MAX_NUM_CHANNELS]; |
| FLOAT32 *coef[MAX_NUM_CHANNELS]; |
| UWORD8 *ms_used[MAX_NUM_CHANNELS]; |
| WORD32 *coef_save[chans]; |
| |
| WORD16 *factors[MAX_NUM_CHANNELS]; |
| UWORD8 *group_dis[MAX_NUM_CHANNELS]; |
| |
| WORD32 tw_data_present[MAX_NUM_CHANNELS]; |
| WORD32 *tw_ratio[MAX_NUM_CHANNELS]; |
| ia_tns_frame_info_struct *pstr_tns[MAX_NUM_CHANNELS]; |
| |
| ia_usac_lpd_decoder_handle str_tddec[MAX_NUM_CHANNELS]; |
| |
| WORD32 arith_prev_n[MAX_NUM_CHANNELS]; |
| WORD8 c_prev[MAX_NUM_CHANNELS][1024 / 2 + 4]; |
| WORD8 c[MAX_NUM_CHANNELS][1024 / 2 + 4]; |
| |
| WORD32 noise_filling_config[MAX_NUM_ELEMENTS]; |
| UWORD32 seed_value[MAX_NUM_CHANNELS]; |
| WORD32 present_chan; |
| |
| WORD32 fac_data_present[MAX_NUM_CHANNELS]; |
| WORD32 fac_data[MAX_NUM_CHANNELS][FAC_LENGTH + 1]; |
| |
| ia_sfb_info_struct *pstr_sfb_info[MAX_NUM_CHANNELS]; |
| ia_sfb_info_struct str_only_long_info; |
| ia_sfb_info_struct str_eight_short_info; |
| ia_sfb_info_struct *pstr_usac_winmap[NUM_WIN_SEQ]; |
| WORD16 sfb_width_short[(1 << LEN_MAX_SFBS)]; |
| |
| WORD32 ccfl; |
| WORD32 len_subfrm; |
| WORD32 num_subfrm; |
| |
| ia_handle_sbr_dec_inst_struct pstr_esbr_dec; |
| ia_aac_dec_sbr_bitstream_struct esbr_bit_str[2]; |
| |
| WORD32 x_ac_dec[1024]; |
| WORD32 scratch_buffer[1024]; |
| |
| FLOAT32 synth_buf[1883]; |
| FLOAT32 exc_buf[1453]; |
| FLOAT32 lp_flt_coff[290]; |
| WORD32 pitch[25]; |
| FLOAT32 pitch_gain[25]; |
| |
| UWORD16 *huffman_code_book_scl; |
| UWORD32 *huffman_code_book_scl_index; |
| |
| WORD32 *tns_coeff3_32; |
| |
| WORD32 *tns_coeff4_32; |
| |
| WORD32 (*tns_max_bands_tbl_usac)[16][2]; |
| |
| WORD16 sfb_width_long[(1 << LEN_MAX_SFBL)]; |
| WORD32 usac_flag; |
| |
| WORD32 arr_coef_fix[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)]; |
| FLOAT32 arr_coef[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)]; |
| WORD32 arr_coef_save[chans][(LN2 + LN2 / 8)]; |
| WORD16 arr_factors[MAX_NUM_CHANNELS][MAXBANDS]; |
| UWORD8 arr_group_dis[MAX_NUM_CHANNELS][NSHORT]; |
| WORD32 arr_tw_ratio[MAX_NUM_CHANNELS][NUM_TW_NODES]; |
| UWORD8 arr_ms_used[MAX_NUM_CHANNELS][MAXBANDS]; |
| ia_usac_lpd_decoder arr_str_tddec[MAX_NUM_CHANNELS]; |
| ia_tns_frame_info_struct arr_str_tns[MAX_NUM_CHANNELS]; |
| |
| } ia_usac_data_struct; |
| |
| IA_ERRORCODE ixheaacd_tns_apply(ia_usac_data_struct *usac_data, WORD32 *spec, |
| WORD32 nbands, |
| ia_sfb_info_struct *pstr_sfb_info, |
| ia_tns_frame_info_struct *pstr_tns); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size); |
| |
| WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size); |
| |
| WORD32 ixheaacd_tw_buff_update(ia_usac_data_struct *usac_data, WORD32 i, |
| ia_usac_lpd_decoder_handle st); |
| |
| VOID ixheaacd_fix2flt_data(ia_usac_data_struct *usac_data, |
| ia_usac_lpd_decoder_handle st, WORD32 k); |
| |
| VOID ixheaacd_td_frm_dec(ia_usac_data_struct *usac_data, WORD32 k, WORD32 mod0); |
| |
| WORD32 ixheaacd_tw_frame_dec(ia_usac_data_struct *usac_data, WORD32 i_ch, |
| FLOAT32 sample_pos[], FLOAT32 tw_trans_len[], |
| WORD32 tw_start_stop[]); |
| |
| WORD32 ixheaacd_fd_frm_dec(ia_usac_data_struct *usac_data, WORD32 i_ch); |
| |
| WORD32 ixheaacd_acelp_mdct(WORD32 *ptr_in, WORD32 *ptr_out, WORD32 *preshift, |
| WORD32 length, WORD32 *ptr_scratch); |
| |
| WORD32 ixheaacd_acelp_mdct_main(ia_usac_data_struct *usac_data, WORD32 *x, |
| WORD32 *y, WORD32 l, WORD32 m, |
| WORD32 *preshift); |
| |
| WORD32 ixheaacd_fr_alias_cnx_fix(WORD32 *x_in, WORD32 len_subfr, WORD32 lfac, |
| WORD32 *iaq, WORD32 *izir, WORD32 *ifacdec, |
| WORD8 *qshift1, WORD8 qshift2, WORD8 qshift3, |
| WORD32 *preshift, WORD32 *ptr_scratch); |
| |
| WORD32 ixheaacd_fwd_alias_cancel_tool( |
| ia_usac_data_struct *usac_data, ia_td_frame_data_struct *pstr_td_frame_data, |
| WORD32 fac_length, FLOAT32 *iaq, WORD32 gain); |
| |
| WORD32 ixheaacd_lpd_bpf_fix(ia_usac_data_struct *usac_data, WORD32 is_short, |
| FLOAT32 out_buffer[], |
| ia_usac_lpd_decoder_handle st); |
| |
| VOID ixheaacd_reset_acelp_data_fix(ia_usac_data_struct *usac_data, |
| ia_usac_lpd_decoder_handle st, |
| WORD32 *ptr_ola_buff, WORD32 last_was_short, |
| WORD32 tw_mdct); |
| #endif |