/****************************************************************************** * * * 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_SBR_DEC_H #define IXHEAACD_SBR_DEC_H #include typedef struct { FLOAT32 real[64][128]; FLOAT32 imag[64][128]; } ia_dft_hbe_anal_coeff; typedef struct { WORD32 x_over_qmf[MAX_NUM_PATCHES]; WORD32 max_stretch; WORD32 core_frame_length; WORD32 hbe_qmf_in_len; WORD32 hbe_qmf_out_len; WORD32 no_bins; WORD32 start_band; WORD32 end_band; WORD32 upsamp_4_flag; WORD32 synth_buf_offset; FLOAT32 *ptr_input_buf; FLOAT32 **qmf_in_buf; FLOAT32 **qmf_out_buf; WORD32 k_start; WORD32 synth_size; FLOAT32 synth_buf[1280]; FLOAT32 analy_buf[640]; FLOAT32 *synth_wind_coeff; FLOAT32 *analy_wind_coeff; FLOAT32 *synth_cos_tab; FLOAT32 *analy_cos_sin_tab; FLOAT32 norm_qmf_in_buf[46][128]; VOID (*ixheaacd_real_synth_fft)(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); VOID (*ixheaacd_cmplx_anal_fft)(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); WORD32 esbr_hq; WORD32 in_hop_size; WORD32 fft_size[2]; FLOAT32 *anal_window; FLOAT32 *synth_window; FLOAT32 *ptr_spectrum; FLOAT32 *ptr_spectrum_tx; FLOAT32 *mag; FLOAT32 *phase; FLOAT32 *ptr_output_buf; WORD32 ana_fft_size[2]; WORD32 syn_fft_size[2]; WORD32 out_hop_size; WORD32 analy_size; WORD32 x_over_bin[MAX_STRETCH][2]; WORD32 a_start; FLOAT32 spectrum_buf[1536]; FLOAT32 spectrum_transposed_buf[1536]; FLOAT32 mag_buf[1536]; FLOAT32 phase_buf[1536]; FLOAT32 output_buf[4096]; FLOAT32 fd_win_buf[3][3][1536]; FLOAT32 analysis_window_buf[1024]; FLOAT32 synthesis_window_buf[1024]; WORD32 oversampling_flag; ia_dft_hbe_anal_coeff str_dft_hbe_anal_coeff; VOID (*ixheaacd_hbe_anal_fft)(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 sign); VOID (*ixheaacd_hbe_synth_ifft)(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 sign); FLOAT32 *syn_cos_sin_tab; FLOAT32 *ana_cos_sin_tab; } ia_esbr_hbe_txposer_struct; typedef struct { WORD32 *ptr_sbr_overlap_buf; WORD32 **drc_factors_sbr; ia_sbr_qmf_filter_bank_struct str_codec_qmf_bank; ia_sbr_qmf_filter_bank_struct str_synthesis_qmf_bank; ia_sbr_calc_env_struct str_sbr_calc_env; ia_sbr_hf_generator_struct str_hf_generator; ia_sbr_scale_fact_struct str_sbr_scale_fact; WORD32 max_samp_val; WORD32 band_count; ia_esbr_hbe_txposer_struct *p_hbe_txposer; FLOAT32 core_sample_buf[2624]; WORD16 core_sample_buf_sbr[2624]; FLOAT32 ph_vocod_qmf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 ph_vocod_qmf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 sbr_qmf_out_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 sbr_qmf_out_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 qmf_buf_real[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS]; FLOAT32 qmf_buf_imag[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS]; FLOAT32 mps_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 mps_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 mps_sbr_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; FLOAT32 mps_sbr_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS]; WORD32 sbr_scratch_local[256]; FLOAT32 scratch_buff[320]; FLOAT32 qmf_energy_buf[64][32]; FLOAT32 pvc_qmf_enrg_arr[16 * 32]; FLOAT32 **pp_qmf_buf_real; FLOAT32 **pp_qmf_buf_imag; WORD32 *p_arr_qmf_buf_real[MAX_ENV_COLS]; WORD32 *p_arr_qmf_buf_imag[MAX_ENV_COLS]; FLOAT32 *time_sample_buf; } ia_sbr_dec_struct; typedef struct { ia_sbr_prev_frame_data_struct *pstr_prev_frame_data; ia_sbr_dec_struct str_sbr_dec; WORD32 output_frame_size; WORD32 sync_state; } ia_sbr_channel_struct; struct ia_sbr_dec_inst_struct { ia_ps_dec_struct *pstr_ps_stereo_dec; ia_ps_dec_config_struct str_ps_config_prev; FLAG ps_present; ia_sbr_channel_struct *pstr_sbr_channel[MAXNRSBRCHANNELS]; ia_sbr_header_data_struct *pstr_sbr_header[MAXNRSBRCHANNELS]; ia_freq_band_data_struct *pstr_freq_band_data[MAXNRSBRCHANNELS]; ia_sbr_tables_struct *pstr_sbr_tables; ixheaacd_misc_tables *pstr_common_tables; ia_pvc_data_struct *ptr_pvc_data_str; VOID *hbe_txposer_buffers; FLOAT32 *time_sample_buf[MAXNRSBRCHANNELS]; VOID *scratch_mem_v; VOID *frame_buffer[2]; ia_sbr_header_data_struct str_sbr_dflt_header; FLAG stereo_config_idx; FLAG usac_independency_flag; FLAG pvc_flag; FLAG hbe_flag; FLAG sbr_mode; FLAG prev_sbr_mode; FLAG inter_tes_flag; FLAG aot_usac_flag; WORD32 band_count[MAXNRSBRCHANNELS]; jmp_buf *xaac_jmp_buf; WORD8 *ptr_mps_data; WORD32 left_mps_bits; WORD32 mps_bits_pos; FLAG esbr_hq; FLAG enh_sbr; FLAG enh_sbr_ps; FLAG eld_sbr; WORD32 num_delay_frames; FLAG sbr_parse_err_flag; FLAG frame_ok; FLAG ec_flag; FLAG first_frame; FLAG prev_usac_independency_flag; FLAG sbr_parse_complete; }; typedef struct ia_sbr_pers_struct { WORD16 *sbr_qmf_analy_states; WORD32 *sbr_qmf_analy_states_32; WORD16 *sbr_qmf_synth_states; WORD32 *sbr_qmf_synth_states_32; WORD32 **sbr_lpc_filter_states_real[MAXNRSBRCHANNELS]; WORD32 **sbr_lpc_filter_states_imag[MAXNRSBRCHANNELS]; WORD32 *ptr_sbr_overlap_buf[MAXNRSBRCHANNELS]; struct ia_sbr_dec_inst_struct str_sbr_dec_inst; ia_transposer_settings_struct str_sbr_tran_settings; WORD16 *sbr_smooth_gain_buf[MAXNRSBRCHANNELS]; WORD16 *sbr_smooth_noise_buf[MAXNRSBRCHANNELS]; ia_sbr_prev_frame_data_struct *pstr_prev_frame_data[MAXNRSBRCHANNELS]; } ia_sbr_pers_struct; WORD32 ixheaacd_sbr_dec( ia_sbr_dec_struct *ptr_sbr_dec, WORD16 *ptr_time_data, ia_sbr_header_data_struct *ptr_header_data, ia_sbr_frame_info_data_struct *ptr_frame_data, ia_sbr_prev_frame_data_struct *ptr_frame_data_prev, ia_ps_dec_struct *ptr_ps_dec, ia_sbr_qmf_filter_bank_struct *ptr_qmf_synth_bank_r, ia_sbr_scale_fact_struct *ptr_sbr_sf_r, FLAG apply_processing, FLAG low_pow_flag, WORD32 *ptr_work_buf_core, ia_sbr_tables_struct *sbr_tables_ptr, ixheaacd_misc_tables *pstr_common_tables, WORD ch_fac, ia_pvc_data_struct *ptr_pvc_data_str, FLAG drc_on, WORD32 drc_sbr_factors[][64], WORD32 audio_object_type, WORD32 ldmps_present, VOID *self, WORD32 heaac_mps_present, WORD32 ec_flag); WORD16 ixheaacd_create_sbrdec(ixheaacd_misc_tables *pstr_common_table, ia_sbr_channel_struct *ptr_sbr_channel, ia_sbr_header_data_struct *ptr_header_data, WORD16 chan, FLAG down_sample_flag, VOID *sbr_persistent_mem_v, WORD ps_enable, WORD audio_object_type, WORD32 ldmps_present, WORD32 ldsbr_present); #define MAX_NUM_QMF_BANDS_ESBR 128 WORD32 ixheaacd_sbr_dec_from_mps(FLOAT32 *p_mps_qmf_output, VOID *p_sbr_dec, VOID *p_sbr_frame, VOID *p_sbr_header, WORD32 ec_flag); WORD32 ixheaacd_qmf_hbe_apply(ia_esbr_hbe_txposer_struct *h_hbe_txposer, FLOAT32 qmf_buf_real[][64], FLOAT32 qmf_buf_imag[][64], WORD32 num_columns, FLOAT32 pv_qmf_buf_real[][64], FLOAT32 pv_qmf_buf_imag[][64], WORD32 pitch_in_bins, ia_sbr_header_data_struct *ptr_header_data); VOID ixheaacd_hbe_apply_cfftn(FLOAT32 re[], FLOAT32 *scratch, WORD32 n_pass, WORD32 i_sign); VOID ixheaacd_hbe_apply_cfftn_gen(FLOAT32 re[], FLOAT32 *scratch, WORD32 n_pass, WORD32 i_sign); VOID ixheaacd_hbe_apply_fft_288(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 i_sign); VOID ixheaacd_hbe_apply_ifft_224(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 i_sign); VOID ixheaacd_hbe_apply_fft_3(FLOAT32 *inp, FLOAT32 *op, WORD32 i_sign); VOID ixheaacd_hbe_apply_ifft_7(FLOAT32 *inp, FLOAT32 *op); VOID ixheaacd_hbe_apply_ifft_336(FLOAT32 *inp, FLOAT32 *ptr_scratch, WORD32 len, WORD32 i_sign); WORD32 ixheaacd_dft_hbe_apply(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer, FLOAT32 qmf_buf_real[][64], FLOAT32 qmf_buf_imag[][64], WORD32 num_columns, FLOAT32 pv_qmf_buf_real[][64], FLOAT32 pv_qmf_buf_imag[][64], WORD32 pitch_in_bins, FLOAT32 *dft_hbe_scratch_buf); WORD32 ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data, FLOAT32 input_real[][64], FLOAT32 input_imag[][64], FLOAT32 input_real1[][64], FLOAT32 input_imag1[][64], WORD32 x_over_qmf[MAX_NUM_PATCHES], FLOAT32 *scratch_buff, FLOAT32 *env_out, WORD32 ldmps_present, WORD32 ec_flag); WORD32 ixheaacd_generate_hf(FLOAT32 ptr_src_buf_real[][64], FLOAT32 ptr_src_buf_imag[][64], FLOAT32 ptr_ph_vocod_buf_real[][64], FLOAT32 ptr_ph_vocod_buf_imag[][64], FLOAT32 ptr_dst_buf_real[][64], FLOAT32 ptr_dst_buf_imag[][64], ia_sbr_frame_info_data_struct *ptr_frame_data, ia_sbr_header_data_struct *ptr_header_data, WORD32 audio_object_type, WORD32 time_slots, WORD32 ec_flag); VOID ixheaacd_clr_subsamples(WORD32 *ptr_qmf_buf, WORD32 num, WORD32 size); VOID ixheaacd_rescale_x_overlap( ia_sbr_dec_struct *ptr_sbr_dec, ia_sbr_header_data_struct *ptr_header_data, ia_sbr_frame_info_data_struct *ptr_frame_data, ia_sbr_prev_frame_data_struct *ptr_frame_data_prev, WORD32 **pp_overlap_buffer_real, WORD32 **pp_overlap_buffer_imag, FLAG low_pow_flag); WORD32 ixheaacd_qmf_hbe_data_reinit( ia_esbr_hbe_txposer_struct *ptr_hbe_transposer_str, WORD16 *ptr_freq_band_tbl[MAX_FREQ_COEFFS + 1], WORD16 *ptr_num_sf_bands, WORD32 upsamp_4_flag); WORD32 ixheaacd_dft_hbe_data_reinit(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer, WORD16 *p_freq_band_tab[2], WORD16 *p_num_sfb); WORD32 ixheaacd_sbr_read_pvc_sce(ia_sbr_frame_info_data_struct *ptr_frame_data, ia_bit_buf_struct *it_bit_buff, WORD32 hbe_flag, ia_pvc_data_struct *ptr_pvc_data, ia_sbr_tables_struct *sbr_tables_ptr, ia_sbr_header_data_struct *ptr_header_data); WORD32 ixheaacd_esbr_dec(ia_sbr_dec_struct *ptr_sbr_dec, ia_sbr_header_data_struct *ptr_header_data, ia_sbr_frame_info_data_struct *ptr_frame_data, FLAG apply_processing, FLAG low_pow_flag, ia_sbr_tables_struct *sbr_tables_ptr, WORD32 ch_fac); VOID ixheaacd_hbe_repl_spec(WORD32 x_over_qmf[MAX_NUM_PATCHES], FLOAT32 qmf_buf_real[][64], FLOAT32 qmf_buf_imag[][64], WORD32 no_bins, WORD32 max_stretch); #endif