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_MPS_DEC_H 21 #define IXHEAACD_MPS_DEC_H 22 23 #define ABS_THR (1e-9f * 32768 * 32768) 24 25 #define MAX_NUM_QMF_BANDS_MPS (128) 26 #define MAX_NUM_QMF_BANDS_MPS_NEW (64) 27 28 #define MAX_PARAMETER_SETS_MPS (9) 29 #define MAX_M2_OUTPUT_MP (MAX_OUTPUT_CHANNELS_MPS) 30 #define BUFFER_LEN_HF_MPS ((QMF_HYBRID_FILT_ORDER - 1) / 2 + MAX_TIME_SLOTS) 31 #define MAX_OUTPUT_CHANNELS_MPS_AT (2) 32 #define HYBRID_BAND_BORDER (12) 33 34 #define DECORR_FILT_0_ORD (10) 35 #define DECORR_FILT_1_ORD (8) 36 #define DECORR_FILT_2_ORD (3) 37 #define DECORR_FILT_3_ORD (2) 38 39 #define MAX_DECORR_FIL_ORDER (DECORR_FILT_0_ORD) 40 41 typedef struct { 42 FLOAT32 re; 43 FLOAT32 im; 44 45 } ia_cmplx_flt_struct; 46 47 typedef struct { 48 WORD32 re; 49 WORD32 im; 50 } ia_cmplx_w32_struct; 51 52 typedef struct { 53 FLOAT32 *re; 54 FLOAT32 *im; 55 } ia_cmplx_fltp_struct; 56 57 typedef struct ia_mps_decor_filt_struct { 58 WORD32 state_len; 59 WORD32 num_len; 60 WORD32 den_len; 61 62 ia_cmplx_flt_struct state[MAX_DECORR_FIL_ORDER + 1]; 63 FLOAT32 *num; 64 FLOAT32 *den; 65 66 } ia_mps_decor_filt_struct; 67 68 typedef struct ia_mps_decor_struct *ia_mps_decor_struct_handle; 69 70 #define MAX_HYBRID_BANDS_MPS (MAX_NUM_QMF_BANDS_MPS_NEW - 3 + 10) 71 #define MAX_TIME_SLOTS (72) 72 #define MAX_PARAMETER_BANDS (28) 73 74 #define MAX_M1_INPUT (2) 75 #define MAX_M1_OUTPUT (2) 76 #define MAX_M2_INPUT (2) 77 78 #define MAX_M_INPUT (2) 79 #define MAX_M_OUTPUT (2) 80 81 #define QMF_BANDS_TO_HYBRID (3) 82 #define MAX_HYBRID_ONLY_BANDS_PER_QMF (8) 83 #define QMF_HYBRID_FILT_ORDER (13) 84 #define BUFFER_LEN_LF_MPS (QMF_HYBRID_FILT_ORDER - 1 + MAX_TIME_SLOTS) 85 #define MAX_NO_TIME_SLOTS_DELAY (14) 86 87 #define MAXNRSBRCHANNELS 2 88 89 typedef struct ixheaacd_mps_decor_energy_adjust_filt_struct { 90 WORD32 num_bins; 91 FLOAT32 smooth_in_energy[MAX_PARAMETER_BANDS]; 92 FLOAT32 smooth_out_energy[MAX_PARAMETER_BANDS]; 93 94 } ixheaacd_mps_decor_energy_adjust_filt_struct; 95 96 typedef struct ia_mps_decor_struct { 97 WORD32 num_bins; 98 ia_mps_decor_filt_struct filter[MAX_HYBRID_BANDS_MPS]; 99 ixheaacd_mps_decor_energy_adjust_filt_struct decor_nrg_smooth; 100 101 WORD32 delay_sample_count[MAX_HYBRID_BANDS_MPS]; 102 103 ia_cmplx_flt_struct 104 decor_delay_buffer[71][MAX_TIME_SLOTS + MAX_NO_TIME_SLOTS_DELAY]; 105 106 } ia_mps_decor_struct; 107 108 typedef struct ia_mps_hybrid_filt_struct { 109 ia_cmplx_flt_struct hf_buffer[MAX_NUM_QMF_BANDS_MPS][BUFFER_LEN_HF_MPS]; 110 ia_cmplx_w32_struct lf_buffer[QMF_BANDS_TO_HYBRID][BUFFER_LEN_LF_MPS]; 111 } ia_mps_hybrid_filt_struct; 112 113 typedef struct ia_mps_data_struct { 114 WORD32 bs_xxx_data_mode[MAX_PARAMETER_SETS_MPS]; 115 WORD32 quant_coarse_xxx_flag[MAX_PARAMETER_SETS_MPS]; 116 WORD32 bs_freq_res_stride_xxx[MAX_PARAMETER_SETS_MPS]; 117 WORD8 bs_quant_coarse_xxx[MAX_PARAMETER_SETS_MPS]; 118 WORD8 bs_quant_coarse_xxx_prev; 119 } ia_mps_data_struct; 120 121 typedef struct ia_mps_bs_frame { 122 WORD8 independency_flag; 123 124 WORD32 cld_idx[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 125 WORD32 icc_idx[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 126 127 WORD32 cld_idx_pre[MAX_PARAMETER_BANDS]; 128 WORD32 icc_idx_pre[MAX_PARAMETER_BANDS]; 129 130 WORD32 cmp_cld_idx[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 131 WORD32 cmp_icc_idx[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 132 133 WORD32 cmp_cld_idx_prev[MAX_PARAMETER_BANDS]; 134 WORD32 cmp_icc_idx_prev[MAX_PARAMETER_BANDS]; 135 136 ia_mps_data_struct cld_data; 137 ia_mps_data_struct icc_data; 138 ia_mps_data_struct ipd_data; 139 140 WORD32 ipd_idx_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 141 WORD32 ipd_idx_data_prev[MAX_PARAMETER_BANDS]; 142 WORD32 ipd_idx[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 143 WORD32 ipd_idx_prev[MAX_PARAMETER_BANDS]; 144 145 WORD32 bs_smooth_mode[MAX_PARAMETER_SETS_MPS]; 146 WORD32 bs_smooth_time[MAX_PARAMETER_SETS_MPS]; 147 WORD32 bs_freq_res_stride_smg[MAX_PARAMETER_SETS_MPS]; 148 WORD32 bs_smg_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 149 150 } ia_mps_bs_frame; 151 152 typedef struct ia_mps_smoothing_struct { 153 WORD32 prev_smg_time; 154 WORD32 inv_prev_smg_time; 155 WORD32 prev_smg_data[MAX_PARAMETER_BANDS]; 156 } ia_mps_smoothing_struct; 157 158 typedef struct ia_mps_env_reshape_struct { 159 FLOAT32 pb_energy_prev[3][MAX_PARAMETER_BANDS]; 160 FLOAT32 avg_energy_prev[3]; 161 FLOAT32 frame_energy_prev[3]; 162 } ia_mps_env_reshape_struct; 163 164 #define BP_SIZE 25 165 166 typedef struct ia_mps_stp_struct { 167 FLOAT32 nrg_dir; 168 FLOAT32 nrg_diff[2]; 169 FLOAT32 nrg_dir_prev; 170 FLOAT32 nrg_diff_prev[2]; 171 FLOAT32 tp_scale_last[2]; 172 WORD32 init_flag; 173 WORD32 update_old_ener; 174 } ia_mps_stp_struct; 175 176 typedef struct ia_mps_opd_smooth_struct { 177 WORD32 smooth_l_phase[MAX_PARAMETER_BANDS]; 178 WORD32 smooth_r_phase[MAX_PARAMETER_BANDS]; 179 } ia_mps_opd_smooth_struct; 180 181 typedef struct ia_mps_dec_state_struct { 182 WORD32 in_ch_count; 183 WORD32 out_ch_count; 184 185 FLOAT32 input_gain; 186 WORD32 dir_sig_count; 187 188 WORD32 decor_sig_count; 189 190 WORD32 time_slots; 191 WORD32 present_time_slot; 192 WORD32 frame_len; 193 194 WORD32 temp_shape_enable_ch_stp[2]; 195 WORD32 temp_shape_enable_ch_ges[2]; 196 197 FLOAT32 env_shape_data[2][MAX_TIME_SLOTS]; 198 199 WORD8 parse_nxt_frame; 200 201 WORD32 qmf_band_count; 202 WORD32 hyb_band_count; 203 WORD32 *hyb_band_to_processing_band_table; 204 205 WORD32 res_ch_count; 206 207 WORD32 res_bands; 208 WORD32 max_res_bands; 209 WORD32 bs_param_bands; 210 211 WORD32 ext_frame_flag; 212 WORD32 num_parameter_sets; 213 WORD32 num_parameter_sets_prev; 214 WORD32 param_slots[MAX_PARAMETER_SETS_MPS]; 215 WORD32 param_slot_diff[MAX_PARAMETER_SETS_MPS]; 216 FLOAT32 inv_param_slot_diff[MAX_PARAMETER_SETS_MPS]; 217 WORD32 inv_param_slot_diff_Q30[MAX_PARAMETER_SETS_MPS]; 218 219 WORD32 frame_length; 220 WORD32 residual_coding; 221 WORD32 bs_residual_present; 222 223 WORD32 bs_residual_bands; 224 225 ia_usac_dec_mps_config_struct *config; 226 ia_mps_bs_frame bs_frame; 227 228 WORD32 smoothing_time[MAX_PARAMETER_SETS_MPS]; 229 WORD32 inv_smoothing_time[MAX_PARAMETER_SETS_MPS]; 230 WORD32 smoothing_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 231 232 WORD32 bs_tsd_enable; 233 WORD32 bs_tsd_sep_data[MAX_TIME_SLOTS]; 234 WORD32 bs_tsd_tr_phase_data[MAX_TIME_SLOTS]; 235 WORD32 tsd_num_tr_slots; 236 WORD32 tsd_codeword_len; 237 238 FLOAT32 cld_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 239 FLOAT32 icc_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 240 FLOAT32 ipd_data[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 241 242 WORD32 bs_phase_mode; 243 WORD32 opd_smoothing_mode; 244 WORD32 num_bands_ipd; 245 246 FLOAT32 phase_l[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 247 FLOAT32 phase_r[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 248 FLOAT32 phase_l_prev[MAX_PARAMETER_BANDS]; 249 FLOAT32 phase_r_prev[MAX_PARAMETER_BANDS]; 250 251 WORD32 phase_l_fix[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 252 WORD32 phase_r_fix[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS]; 253 254 WORD32 m1_param_re[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 255 [MAX_M_INPUT]; 256 WORD32 m1_param_im[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 257 [MAX_M_INPUT]; 258 WORD32 m2_decor_re[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 259 [MAX_M_INPUT]; 260 WORD32 m2_decor_im[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 261 [MAX_M_INPUT]; 262 WORD32 m2_resid_re[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 263 [MAX_M_INPUT]; 264 WORD32 m2_resid_im[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 265 [MAX_M_INPUT]; 266 267 WORD32 m1_param_re_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 268 WORD32 m1_param_im_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 269 WORD32 m2_decor_re_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 270 WORD32 m2_decor_im_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 271 WORD32 m2_resid_re_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 272 WORD32 m2_resid_im_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT]; 273 274 ia_cmplx_flt_struct qmf_in[2][MAX_TIME_SLOTS][MAX_NUM_QMF_BANDS_MPS_NEW]; 275 ia_cmplx_flt_struct hyb_in[2][MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 276 ia_cmplx_flt_struct hyb_res[MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 277 ia_cmplx_flt_struct v[MAX_M1_OUTPUT][MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 278 ia_cmplx_flt_struct w_diff[MAX_M2_INPUT][MAX_TIME_SLOTS] 279 [MAX_HYBRID_BANDS_MPS]; 280 ia_cmplx_flt_struct w_dir[MAX_M2_INPUT][MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 281 ia_cmplx_flt_struct hyb_dir_out[2][MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 282 ia_cmplx_flt_struct hyb_diff_out[2][MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 283 284 ia_cmplx_flt_struct qmf_out_dir[2][MAX_TIME_SLOTS][MAX_NUM_QMF_BANDS_MPS]; 285 ia_cmplx_flt_struct scratch[MAX_TIME_SLOTS][MAX_HYBRID_BANDS_MPS]; 286 287 FLOAT32 (*output_buffer)[4096]; 288 289 ia_mps_hybrid_filt_struct hyb_filt_state[2]; 290 ia_mps_poly_phase_synth_struct qmf_filt_state[2]; 291 292 ia_mps_decor_struct mps_decor; 293 294 ia_mps_smoothing_struct smoothing_filt_state; 295 296 ia_mps_env_reshape_struct guided_env_shaping; 297 298 WORD32 bs_high_rate_mode; 299 300 WORD32 tmp_buf[84 * MAX_NUM_QMF_BANDS_SAC]; 301 302 FLOAT32 r_out_re_in_m1[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 303 [MAX_M_INPUT]; 304 FLOAT32 r_out_im_in_m1[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 305 [MAX_M_INPUT]; 306 WORD32 r_out_re_scratch_m1[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 307 [MAX_M_INPUT]; 308 WORD32 r_out_im_scratch_m1[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 309 [MAX_M_INPUT]; 310 311 FLOAT32 r_out_re_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 312 [MAX_M_INPUT]; 313 FLOAT32 r_out_im_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 314 [MAX_M_INPUT]; 315 FLOAT32 r_out_diff_re_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 316 [MAX_M_INPUT]; 317 FLOAT32 r_out_diff_im_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 318 [MAX_M_INPUT]; 319 320 WORD32 r_out_re_fix_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 321 [MAX_M_INPUT]; 322 WORD32 r_out_im_fix_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 323 [MAX_M_INPUT]; 324 WORD32 r_diff_out_re_fix_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS] 325 [MAX_M_OUTPUT][MAX_M_INPUT]; 326 WORD32 r_diff_out_im_fix_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS] 327 [MAX_M_OUTPUT][MAX_M_INPUT]; 328 329 FLOAT32 r_out_ph_re_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][2]; 330 FLOAT32 r_out_ph_im_in_m2[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][2]; 331 332 ia_mps_stp_struct subband_var; 333 ia_mps_opd_smooth_struct opd_smooth; 334 ia_mps_poly_phase_struct poly_phase_filt_kernel; 335 VOID *p_sbr_dec[MAXNRSBRCHANNELS]; 336 VOID *p_sbr_frame[MAXNRSBRCHANNELS]; 337 VOID *p_sbr_header[MAXNRSBRCHANNELS]; 338 } ia_mps_dec_state_struct; 339 340 VOID ixheaacd_mps_init_pre_and_post_matrix(ia_mps_dec_state_struct *self); 341 VOID ixheaacd_pre_and_mix_matrix_calculation(ia_mps_dec_state_struct *self); 342 VOID ixheaacd_mps_apply_pre_matrix(ia_mps_dec_state_struct *self); 343 VOID ixheaacd_mps_apply_mix_matrix(ia_mps_dec_state_struct *self); 344 345 VOID ixheaacd_mps_config(ia_mps_dec_state_struct *self, WORD32 frame_len, 346 WORD32 residual_coding, 347 ia_usac_dec_mps_config_struct *mps212_config); 348 349 VOID ixheaacd_mps_frame_decode(ia_mps_dec_state_struct *self); 350 351 WORD32 ixheaacd_mps_header_decode(ia_mps_dec_state_struct *self); 352 353 VOID ixheaacd_mps_env_init(ia_mps_dec_state_struct *self); 354 VOID ixheaacd_mps_time_env_shaping(ia_mps_dec_state_struct *self); 355 356 VOID ixheaacd_mps_pre_matrix_mix_matrix_smoothing( 357 ia_mps_dec_state_struct *self); 358 VOID ixheaacd_mps_smoothing_opd(ia_mps_dec_state_struct *self); 359 WORD32 ixheaacd_mps_temp_process(ia_mps_dec_state_struct *self); 360 361 VOID ixheaacd_mps_par2umx_ps(ia_mps_dec_state_struct *self, 362 ia_mps_bs_frame *curr_bit_stream, WORD32 *h_real, 363 WORD32 param_set_idx); 364 365 VOID ixheaacd_mps_par2umx_ps_ipd_opd(ia_mps_dec_state_struct *self, 366 ia_mps_bs_frame *curr_bit_stream, 367 WORD32 *h_real, WORD32 param_set_idx); 368 369 VOID ixheaacd_mps_par2umx_pred(ia_mps_dec_state_struct *self, 370 ia_mps_bs_frame *curr_bit_stream, WORD32 *h_imag, 371 WORD32 *h_real, WORD32 param_set_idx, 372 WORD32 res_bands); 373 374 VOID ixheaacd_mps_upmix_interp( 375 WORD32 m_matrix[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 376 [MAX_M_INPUT], 377 WORD32 r_matrix[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][MAX_M_OUTPUT] 378 [MAX_M_INPUT], 379 WORD32 m_matrix_prev[MAX_PARAMETER_BANDS][MAX_M_OUTPUT][MAX_M_INPUT], 380 WORD32 num_rows, WORD32 num_cols, ia_mps_dec_state_struct *self); 381 382 VOID ixheaacd_mps_phase_interpolation( 383 FLOAT32 pl[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS], 384 FLOAT32 pr[MAX_PARAMETER_SETS_MPS][MAX_PARAMETER_BANDS], 385 FLOAT32 pl_prev[MAX_PARAMETER_BANDS], FLOAT32 pr_prev[MAX_PARAMETER_BANDS], 386 FLOAT32 r_re[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][2], 387 FLOAT32 r_im[MAX_TIME_SLOTS][MAX_PARAMETER_BANDS][2], 388 ia_mps_dec_state_struct *self); 389 390 #endif 391
