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 #include <stdlib.h>
21 #include <math.h>
22 #include <string.h>
23 #include "impd_type_def.h"
24 #include "impd_error_standards.h"
25 #include <string.h>
26 #include "impd_drc_extr_delta_coded_info.h"
27 #include "impd_drc_common.h"
28 #include "impd_drc_struct.h"
29 #include "impd_drc_interface.h"
30 #include "impd_memory_standards.h"
31 #include "impd_drc_peak_limiter.h"
32 #include "impd_drc_bitbuffer.h"
33 #include "impd_drc_bitstream_dec_api.h"
34 #include "impd_drc_gain_dec.h"
35 #include "impd_drc_filter_bank.h"
36 #include "impd_drc_multi_band.h"
37 #include "impd_drc_process_audio.h"
38 #include "impd_parametric_drc_dec.h"
39 #include "impd_drc_eq.h"
40 #include "impd_drc_gain_decoder.h"
41 #include "impd_drc_selection_process.h"
42 #include "impd_drc_api_struct_def.h"
43 #include "impd_drc_peak_limiter.h"
44
45 #define PARAMETRIC_DRC_DELAY_MAX_DEFAULT 4096
46 #define EQ_DELAY_MAX_DEFAULT 256
47
48 IA_ERRORCODE impd_drc_mem_api(ia_drc_api_struct *p_obj_drc, WORD32 iCmd,
49 WORD32 iIdx, pVOID pvValue);
50
51 IA_ERRORCODE impd_drc_fill_mem_tables(ia_drc_api_struct *p_obj_drc);
52
53 WORD32
54 impd_drc_dec_interface_process(ia_bit_buf_struct *it_bit_buff,
55 ia_drc_interface_struct *pstr_drc_interface,
56 UWORD8 *it_bit_buf, WORD32 num_bit_stream_bits,
57 WORD32 *num_bits_read);
58
59 WORD32
60 impd_drc_dec_interface_add_effect_type(
61 ia_drc_interface_struct *pstr_drc_interface, WORD32 drc_effect_type,
62 WORD32 target_loudness, WORD32 loud_norm, WORD32 album_mode, FLOAT32 boost,
63 FLOAT32 compress);
64
65 #define BITSTREAM_FILE_FORMAT_SPLIT 1
66 #define LIM_DEFAULT_THRESHOLD (0.89125094f)
67
impd_match_downmix(WORD32 downmix_id,WORD32 dec_downmix_id)68 static WORD32 impd_match_downmix(WORD32 downmix_id, WORD32 dec_downmix_id) {
69 WORD32 id_match = 0;
70
71 switch (dec_downmix_id) {
72 case 0:
73 id_match = (downmix_id == 0);
74 break;
75 case 1:
76 id_match = ((downmix_id == 0) || (downmix_id == 0x7F));
77 break;
78 case 2:
79 id_match = (downmix_id == 0x7F);
80 break;
81 case 3:
82 id_match = ((downmix_id != 0) && (downmix_id != 0x7F));
83 break;
84 case 4:
85 id_match = (downmix_id != 0);
86 break;
87 }
88 return id_match;
89 }
90
impd_drc_set_default_config(ia_drc_api_struct * p_obj_drc)91 IA_ERRORCODE impd_drc_set_default_config(ia_drc_api_struct *p_obj_drc) {
92 memset(p_obj_drc, 0, sizeof(*p_obj_drc));
93 p_obj_drc->str_config.bitstream_file_format = 1;
94 p_obj_drc->str_config.dec_type = 0;
95 p_obj_drc->str_config.sub_band_domain_mode = 0;
96 p_obj_drc->str_config.sub_band_count = 0;
97 p_obj_drc->str_config.sub_band_down_sampling_factor = 0;
98 p_obj_drc->str_config.sampling_rate = 0;
99 p_obj_drc->str_config.frame_size = 1024;
100 p_obj_drc->str_config.num_ch_in = -1;
101 p_obj_drc->str_config.num_ch_out = -1;
102 p_obj_drc->str_config.control_parameter_index = -1;
103 p_obj_drc->str_config.peak_limiter = 0;
104 p_obj_drc->str_config.delay_mode = 0;
105 p_obj_drc->str_config.interface_bitstream_present = 1;
106 p_obj_drc->str_config.gain_delay_samples = 0;
107 p_obj_drc->str_config.absorb_delay_on = 1;
108 p_obj_drc->str_config.subband_domain_io_flag = 0;
109 p_obj_drc->str_bit_handler.gain_stream_flag = 1;
110 p_obj_drc->str_config.constant_delay_on = 0;
111 p_obj_drc->str_config.audio_delay_samples = 0;
112 p_obj_drc->str_config.effect_type = 0;
113 p_obj_drc->str_config.target_loudness = -24;
114 p_obj_drc->str_config.loud_norm_flag = 0;
115 p_obj_drc->str_config.album_mode = 0;
116 p_obj_drc->str_config.boost = 1.0f;
117 p_obj_drc->str_config.compress = 1.0f;
118 memset(&p_obj_drc->str_bit_handler, 0, sizeof(p_obj_drc->str_bit_handler));
119
120 return IA_NO_ERROR;
121 }
122
impd_drc_set_default_bitstream_config(ia_drc_config * pstr_drc_config)123 IA_ERRORCODE impd_drc_set_default_bitstream_config(
124 ia_drc_config *pstr_drc_config) {
125 WORD32 i;
126
127 pstr_drc_config->sample_rate_present = 0;
128 pstr_drc_config->sampling_rate = 0;
129 pstr_drc_config->dwnmix_instructions_count = 0;
130 pstr_drc_config->drc_coefficients_drc_count = 1;
131 pstr_drc_config->drc_instructions_uni_drc_count = 4;
132 pstr_drc_config->drc_instructions_count_plus = 5;
133 pstr_drc_config->drc_description_basic_present = 0;
134 pstr_drc_config->drc_coefficients_basic_count = 0;
135 pstr_drc_config->drc_instructions_basic_count = 0;
136 pstr_drc_config->drc_config_ext_present = 1;
137 pstr_drc_config->apply_drc = 0;
138 pstr_drc_config->str_drc_config_ext.drc_config_ext_type[0] = 2;
139 pstr_drc_config->str_drc_config_ext.ext_bit_size[0] = 345;
140 pstr_drc_config->str_drc_config_ext.parametric_drc_present = 0;
141 pstr_drc_config->str_drc_config_ext.drc_extension_v1_present = 1;
142 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].version = 1;
143 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].drc_location = 1;
144 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count = 4;
145 for (i = 0;
146 i <
147 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count;
148 i++) {
149 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
150 .gain_set_params[i]
151 .gain_interpolation_type = 1;
152 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
153 .gain_set_params[i]
154 .band_count = 1;
155 }
156 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_sequence_count =
157 4;
158 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
159 .gain_set_params_index_for_gain_sequence[0] = 0;
160 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
161 .gain_set_params_index_for_gain_sequence[1] = 1;
162 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
163 .gain_set_params_index_for_gain_sequence[2] = 2;
164 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
165 .gain_set_params_index_for_gain_sequence[3] = 3;
166 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count_plus =
167 4;
168 pstr_drc_config->str_drc_instruction_str[0].drc_set_id = 1;
169 pstr_drc_config->str_drc_instruction_str[0].drc_set_complexity_level = 2;
170 pstr_drc_config->str_drc_instruction_str[0].drc_location = 1;
171 pstr_drc_config->str_drc_instruction_str[0].dwnmix_id_count = 1;
172 pstr_drc_config->str_drc_instruction_str[0].drc_set_effect = 1;
173 pstr_drc_config->str_drc_instruction_str[0].gain_set_index[1] = 1;
174 pstr_drc_config->str_drc_instruction_str[0]
175 .drc_set_target_loudness_value_lower = -63;
176 pstr_drc_config->str_drc_instruction_str[0].num_drc_ch_groups = 2;
177 pstr_drc_config->str_drc_instruction_str[0]
178 .gain_set_index_for_channel_group[1] = 1;
179 pstr_drc_config->str_drc_instruction_str[0].band_count_of_ch_group[0] = 1;
180 pstr_drc_config->str_drc_instruction_str[0].band_count_of_ch_group[1] = 1;
181 pstr_drc_config->str_drc_instruction_str[0]
182 .gain_interpolation_type_for_channel_group[0] = 1;
183 pstr_drc_config->str_drc_instruction_str[0]
184 .gain_interpolation_type_for_channel_group[1] = 1;
185 pstr_drc_config->str_drc_instruction_str[0]
186 .time_delta_min_for_channel_group[0] = 32;
187 pstr_drc_config->str_drc_instruction_str[0]
188 .time_delta_min_for_channel_group[1] = 32;
189 pstr_drc_config->str_drc_instruction_str[0].channel_group_of_ch[1] = 1;
190 pstr_drc_config->str_drc_instruction_str[0].gain_element_count = 2;
191
192 pstr_drc_config->str_drc_instruction_str[1].drc_set_id = 2;
193 pstr_drc_config->str_drc_instruction_str[1].drc_set_complexity_level = 2;
194 pstr_drc_config->str_drc_instruction_str[1].drc_location = 1;
195 pstr_drc_config->str_drc_instruction_str[1].dwnmix_id_count = 1;
196 pstr_drc_config->str_drc_instruction_str[1].drc_set_effect = 2;
197 pstr_drc_config->str_drc_instruction_str[1].gain_set_index[0] = 1;
198 pstr_drc_config->str_drc_instruction_str[1].gain_set_index[1] = 2;
199 pstr_drc_config->str_drc_instruction_str[1]
200 .drc_set_target_loudness_value_lower = -63;
201 pstr_drc_config->str_drc_instruction_str[1].num_drc_ch_groups = 2;
202 pstr_drc_config->str_drc_instruction_str[1]
203 .gain_set_index_for_channel_group[0] = 1;
204 pstr_drc_config->str_drc_instruction_str[1]
205 .gain_set_index_for_channel_group[1] = 2;
206 pstr_drc_config->str_drc_instruction_str[1].band_count_of_ch_group[0] = 1;
207 pstr_drc_config->str_drc_instruction_str[1].band_count_of_ch_group[1] = 1;
208 pstr_drc_config->str_drc_instruction_str[1]
209 .gain_interpolation_type_for_channel_group[0] = 1;
210 pstr_drc_config->str_drc_instruction_str[1]
211 .gain_interpolation_type_for_channel_group[1] = 1;
212 pstr_drc_config->str_drc_instruction_str[1]
213 .time_delta_min_for_channel_group[0] = 32;
214 pstr_drc_config->str_drc_instruction_str[1]
215 .time_delta_min_for_channel_group[1] = 32;
216 pstr_drc_config->str_drc_instruction_str[1].channel_group_of_ch[1] = 1;
217 pstr_drc_config->str_drc_instruction_str[1].gain_element_count = 2;
218
219 pstr_drc_config->str_drc_instruction_str[2].drc_set_id = 3;
220 pstr_drc_config->str_drc_instruction_str[2].drc_set_complexity_level = 2;
221 pstr_drc_config->str_drc_instruction_str[2].drc_location = 1;
222 pstr_drc_config->str_drc_instruction_str[2].dwnmix_id_count = 1;
223 pstr_drc_config->str_drc_instruction_str[2].drc_set_effect = 4;
224 pstr_drc_config->str_drc_instruction_str[2].gain_set_index[0] = 2;
225 pstr_drc_config->str_drc_instruction_str[2].gain_set_index[1] = 3;
226 pstr_drc_config->str_drc_instruction_str[2]
227 .drc_set_target_loudness_value_lower = -63;
228 pstr_drc_config->str_drc_instruction_str[2].num_drc_ch_groups = 2;
229 pstr_drc_config->str_drc_instruction_str[2]
230 .gain_set_index_for_channel_group[0] = 2;
231 pstr_drc_config->str_drc_instruction_str[2]
232 .gain_set_index_for_channel_group[1] = 3;
233 pstr_drc_config->str_drc_instruction_str[2].band_count_of_ch_group[0] = 1;
234 pstr_drc_config->str_drc_instruction_str[2].band_count_of_ch_group[1] = 1;
235 pstr_drc_config->str_drc_instruction_str[2]
236 .gain_interpolation_type_for_channel_group[0] = 1;
237 pstr_drc_config->str_drc_instruction_str[2]
238 .gain_interpolation_type_for_channel_group[1] = 1;
239 pstr_drc_config->str_drc_instruction_str[2]
240 .time_delta_min_for_channel_group[0] = 32;
241 pstr_drc_config->str_drc_instruction_str[2]
242 .time_delta_min_for_channel_group[1] = 32;
243 pstr_drc_config->str_drc_instruction_str[2].channel_group_of_ch[1] = 1;
244 pstr_drc_config->str_drc_instruction_str[2].gain_element_count = 2;
245
246 pstr_drc_config->str_drc_instruction_str[3].drc_set_id = 4;
247 pstr_drc_config->str_drc_instruction_str[3].drc_set_complexity_level = 2;
248 pstr_drc_config->str_drc_instruction_str[3].drc_location = 1;
249 pstr_drc_config->str_drc_instruction_str[3].dwnmix_id_count = 1;
250 pstr_drc_config->str_drc_instruction_str[3].drc_set_effect = 32;
251 pstr_drc_config->str_drc_instruction_str[3].gain_set_index[0] = 3;
252 pstr_drc_config->str_drc_instruction_str[3].gain_set_index[1] = 0;
253 pstr_drc_config->str_drc_instruction_str[3]
254 .drc_set_target_loudness_value_lower = -63;
255 pstr_drc_config->str_drc_instruction_str[3].num_drc_ch_groups = 2;
256 pstr_drc_config->str_drc_instruction_str[3]
257 .gain_set_index_for_channel_group[0] = 3;
258 pstr_drc_config->str_drc_instruction_str[3]
259 .gain_set_index_for_channel_group[1] = 0;
260 pstr_drc_config->str_drc_instruction_str[3].band_count_of_ch_group[0] = 1;
261 pstr_drc_config->str_drc_instruction_str[3].band_count_of_ch_group[1] = 1;
262 pstr_drc_config->str_drc_instruction_str[3]
263 .gain_interpolation_type_for_channel_group[0] = 1;
264 pstr_drc_config->str_drc_instruction_str[3]
265 .gain_interpolation_type_for_channel_group[1] = 1;
266 pstr_drc_config->str_drc_instruction_str[3]
267 .time_delta_min_for_channel_group[0] = 32;
268 pstr_drc_config->str_drc_instruction_str[3]
269 .time_delta_min_for_channel_group[1] = 32;
270 pstr_drc_config->str_drc_instruction_str[3].channel_group_of_ch[1] = 1;
271 pstr_drc_config->str_drc_instruction_str[3].gain_element_count = 2;
272
273 pstr_drc_config->str_drc_instruction_str[4].drc_set_id = -1;
274 pstr_drc_config->str_drc_instruction_str[4].dwnmix_id_count = 1;
275 pstr_drc_config->channel_layout.base_channel_count = 2;
276
277 return IA_NO_ERROR;
278 }
279
impd_drc_set_struct_pointer(ia_drc_api_struct * p_obj_drc)280 IA_ERRORCODE impd_drc_set_struct_pointer(ia_drc_api_struct *p_obj_drc) {
281 pUWORD8 persistent_ptr = (pUWORD8)p_obj_drc->p_state->persistent_ptr;
282
283 UWORD64 persistent_size_consumed = 0;
284 p_obj_drc->str_payload.pstr_bitstream_dec =
285 (ia_drc_bits_dec_struct *)persistent_ptr;
286 persistent_ptr += sizeof(ia_drc_bits_dec_struct);
287
288 p_obj_drc->str_payload.pstr_gain_dec[0] =
289 (ia_drc_gain_dec_struct *)persistent_ptr;
290 persistent_ptr += sizeof(ia_drc_gain_dec_struct);
291
292 p_obj_drc->str_payload.pstr_gain_dec[1] =
293 (ia_drc_gain_dec_struct *)persistent_ptr;
294 persistent_ptr += sizeof(ia_drc_gain_dec_struct);
295
296 p_obj_drc->str_payload.pstr_loudness_info =
297 (ia_drc_loudness_info_set_struct *)persistent_ptr;
298 persistent_ptr += sizeof(ia_drc_loudness_info_set_struct);
299
300 p_obj_drc->str_payload.pstr_drc_gain = (ia_drc_gain_struct *)persistent_ptr;
301 persistent_ptr += sizeof(ia_drc_gain_struct);
302
303 p_obj_drc->str_payload.pstr_drc_interface =
304 (ia_drc_interface_struct *)persistent_ptr;
305 persistent_ptr += sizeof(ia_drc_interface_struct);
306
307 p_obj_drc->str_payload.pstr_drc_config = (ia_drc_config *)persistent_ptr;
308 persistent_ptr += sizeof(ia_drc_config);
309
310 p_obj_drc->str_payload.pstr_selection_proc =
311 (ia_drc_sel_pro_struct *)persistent_ptr;
312 persistent_ptr += sizeof(ia_drc_sel_pro_struct);
313
314 p_obj_drc->str_bit_handler.it_bit_buf = (UWORD8 *)persistent_ptr;
315 persistent_ptr += MAX_DRC_BS_BUF_SIZE;
316
317 p_obj_drc->str_payload.pstr_drc_sel_proc_params =
318 (ia_drc_sel_proc_params_struct *)persistent_ptr;
319 persistent_ptr += sizeof(ia_drc_sel_proc_params_struct);
320
321 p_obj_drc->str_payload.pstr_drc_sel_proc_output =
322 (ia_drc_sel_proc_output_struct *)persistent_ptr;
323 persistent_ptr += sizeof(ia_drc_sel_proc_output_struct);
324
325 p_obj_drc->str_bit_handler.bitstream_drc_config = (UWORD8 *)persistent_ptr;
326 persistent_ptr += MAX_BS_BUF_SIZE;
327
328 p_obj_drc->str_bit_handler.bitstream_loudness_info = (UWORD8 *)persistent_ptr;
329 persistent_ptr += MAX_BS_BUF_SIZE;
330
331 p_obj_drc->str_bit_handler.bitstream_unidrc_interface =
332 (UWORD8 *)persistent_ptr;
333 persistent_ptr += MAX_BS_BUF_SIZE;
334
335 p_obj_drc->str_payload.pstr_peak_limiter =
336 (ia_drc_peak_limiter_struct *)persistent_ptr;
337 persistent_ptr += sizeof(ia_drc_peak_limiter_struct);
338
339 p_obj_drc->str_payload.pstr_peak_limiter->buffer = (FLOAT32 *)persistent_ptr;
340 persistent_ptr += PEAK_LIM_BUF_SIZE;
341
342 p_obj_drc->str_payload.pstr_qmf_filter =
343 (ia_drc_qmf_filt_struct *)persistent_ptr;
344 persistent_ptr += sizeof(ia_drc_qmf_filt_struct);
345
346 p_obj_drc->str_payload.pstr_qmf_filter->ana_buff = (FLOAT64 *)persistent_ptr;
347 persistent_ptr += ANALY_BUF_SIZE;
348
349 p_obj_drc->str_payload.pstr_qmf_filter->syn_buff = (FLOAT64 *)persistent_ptr;
350 persistent_ptr += SYNTH_BUF_SIZE;
351
352 persistent_size_consumed =
353 (UWORD64)(persistent_ptr - (pUWORD8)p_obj_drc->p_state->persistent_ptr);
354
355 if ((UWORD64)p_obj_drc->p_mem_info[IA_MEMTYPE_PERSIST].ui_size <
356 persistent_size_consumed)
357 return IA_FATAL_ERROR;
358
359 p_obj_drc->p_state->persistent_ptr = (pVOID)persistent_ptr;
360 return IA_NO_ERROR;
361 }
362
init_qmf_filt_bank(ia_drc_qmf_filt_struct * qmf_filt)363 VOID init_qmf_filt_bank(ia_drc_qmf_filt_struct *qmf_filt) {
364 WORD32 l, k;
365
366 FLOAT64 gain_ana = 64.0 / QMF_FILT_RESOLUTION;
367 FLOAT64 gain_syn = 1.0 / 64.0;
368 for (l = 0; l < 2 * QMF_FILT_RESOLUTION; l++) {
369 for (k = 0; k < QMF_FILT_RESOLUTION; k++) {
370 qmf_filt->syn_tab_real[l][k] =
371 gain_syn * cos((0.0245436926) * (k + 0.5) * (2 * l - 255.0));
372 qmf_filt->syn_tab_imag[l][k] =
373 gain_syn * sin((0.0245436926) * (k + 0.5) * (2 * l - 255.0));
374 qmf_filt->ana_tab_real[k][l] =
375 gain_ana * cos((0.0245436926) * (k + 0.5) * (2 * l - 1.0));
376 qmf_filt->ana_tab_imag[k][l] =
377 gain_ana * sin((0.0245436926) * (k + 0.5) * (2 * l - 1.0));
378 }
379 }
380 }
381
impd_drc_init(ia_drc_api_struct * p_obj_drc)382 IA_ERRORCODE impd_drc_init(ia_drc_api_struct *p_obj_drc) {
383 IA_ERRORCODE err_code = IA_NO_ERROR;
384 WORD32 i, j;
385
386 pVOID persistent_ptr = p_obj_drc->p_state->persistent_ptr;
387
388 WORD32 decDownmixIdList[NUM_GAIN_DEC_INSTANCES] = {0, 4};
389
390 p_obj_drc->p_state->delay_in_output = 0;
391 p_obj_drc->str_payload.pstr_selection_proc->first_frame = 1;
392
393 impd_create_init_bit_buf(&p_obj_drc->str_bit_buf,
394 p_obj_drc->str_bit_handler.it_bit_buf,
395 p_obj_drc->str_bit_handler.num_bytes_bs / 8);
396
397 p_obj_drc->pstr_bit_buf = &p_obj_drc->str_bit_buf;
398
399 err_code = impd_init_drc_bitstream_dec(
400 p_obj_drc->str_payload.pstr_bitstream_dec,
401 p_obj_drc->str_config.sampling_rate, p_obj_drc->str_config.frame_size,
402 p_obj_drc->str_config.delay_mode, -1, 0);
403 if (err_code != IA_NO_ERROR) return err_code;
404
405 for (i = 0; i < NUM_GAIN_DEC_INSTANCES; i++) {
406 err_code = impd_init_drc_decode(p_obj_drc->str_config.frame_size,
407 p_obj_drc->str_config.sampling_rate,
408 p_obj_drc->str_config.gain_delay_samples,
409 p_obj_drc->str_config.delay_mode,
410 p_obj_drc->str_config.sub_band_domain_mode,
411 p_obj_drc->str_payload.pstr_gain_dec[i]);
412 if (err_code != IA_NO_ERROR) return err_code;
413 }
414
415 if (!p_obj_drc->str_config.boost_set) p_obj_drc->str_config.boost = 1.0f;
416
417 if (!p_obj_drc->str_config.compress_set)
418 p_obj_drc->str_config.compress = 1.0f;
419
420 err_code = impd_drc_dec_interface_add_effect_type(
421 p_obj_drc->str_payload.pstr_drc_interface,
422 p_obj_drc->str_config.effect_type, p_obj_drc->str_config.target_loudness,
423 p_obj_drc->str_config.loud_norm_flag, p_obj_drc->str_config.album_mode,
424 p_obj_drc->str_config.boost, p_obj_drc->str_config.compress);
425
426 if (err_code != IA_NO_ERROR) return err_code;
427
428 err_code = impd_drc_uni_selction_proc_init(
429 p_obj_drc->str_payload.pstr_selection_proc, 0,
430 p_obj_drc->str_payload.pstr_drc_interface,
431 p_obj_drc->str_config.sub_band_domain_mode);
432 if (err_code != IA_NO_ERROR) return err_code;
433
434 if (p_obj_drc->str_payload.pstr_drc_interface
435 ->loudness_norm_parameter_interface_flag &&
436 p_obj_drc->str_payload.pstr_drc_interface->loudness_norm_param_interface
437 .peak_limiter) {
438 p_obj_drc->str_config.peak_limiter = 1;
439 }
440
441 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_album_count = 0;
442 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_count = 0;
443 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_set_ext_present = 0;
444 p_obj_drc->p_state->ui_exe_done = 0;
445
446 err_code = impd_process_drc_bitstream_dec_config(
447 p_obj_drc->str_payload.pstr_bitstream_dec, p_obj_drc->pstr_bit_buf,
448 p_obj_drc->str_payload.pstr_drc_config,
449 &p_obj_drc->str_bit_handler.bitstream_drc_config[0],
450 p_obj_drc->str_bit_handler.num_bytes_bs_drc_config);
451
452 if (err_code == 1) {
453 memset(p_obj_drc->str_payload.pstr_drc_config, 0, sizeof(ia_drc_config));
454 err_code = impd_drc_set_default_bitstream_config(
455 p_obj_drc->str_payload.pstr_drc_config);
456 p_obj_drc->str_payload.pstr_drc_config->channel_layout.base_channel_count =
457 p_obj_drc->str_config.num_ch_in;
458 }
459
460 if (err_code != IA_NO_ERROR) return err_code;
461 err_code = impd_process_drc_bitstream_dec_loudness_info_set(
462 p_obj_drc->pstr_bit_buf, p_obj_drc->str_payload.pstr_loudness_info,
463 &p_obj_drc->str_bit_handler.bitstream_loudness_info[0],
464 p_obj_drc->str_bit_handler.num_bytes_bs_loudness_info);
465 if (err_code != IA_NO_ERROR) return err_code;
466
467 if (p_obj_drc->str_payload.pstr_loudness_info->loudness_info
468 ->anchor_loudness_present)
469 p_obj_drc->str_payload.pstr_selection_proc->uni_drc_sel_proc_params
470 .loudness_measurement_method = METHOD_DEFINITION_ANCHOR_LOUDNESS;
471
472 if (p_obj_drc->str_payload.pstr_loudness_info->loudness_info
473 ->expert_loudness_present)
474 p_obj_drc->str_payload.pstr_selection_proc->uni_drc_sel_proc_params
475 .loudness_measurement_system = USER_MEASUREMENT_SYSTEM_EXPERT_PANEL;
476
477 err_code = impd_drc_uni_sel_proc_process(
478 p_obj_drc->str_payload.pstr_selection_proc,
479 p_obj_drc->str_payload.pstr_drc_config,
480 p_obj_drc->str_payload.pstr_loudness_info,
481 p_obj_drc->str_payload.pstr_drc_sel_proc_output);
482 if (err_code != IA_NO_ERROR) return err_code;
483
484 for (i = 0; i < NUM_GAIN_DEC_INSTANCES; i++) {
485 WORD32 audio_num_chan = 0;
486 WORD32 numMatchingDrcSets = 0;
487 WORD32 matchingDrcSetIds[3], matchingDownmixIds[3];
488 for (j = 0;
489 j < p_obj_drc->str_payload.pstr_drc_sel_proc_output->num_sel_drc_sets;
490 j++) {
491 if (impd_match_downmix(p_obj_drc->str_payload.pstr_drc_sel_proc_output
492 ->sel_downmix_ids[j],
493 decDownmixIdList[i])) {
494 matchingDrcSetIds[numMatchingDrcSets] =
495 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_drc_set_ids[j];
496 matchingDownmixIds[numMatchingDrcSets] =
497 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_downmix_ids[j];
498 numMatchingDrcSets++;
499 }
500 }
501 if (i == 0) {
502 if (p_obj_drc->str_config.num_ch_in !=
503 p_obj_drc->str_payload.pstr_drc_sel_proc_output->base_channel_count)
504
505 return -1;
506 audio_num_chan = p_obj_drc->str_config.num_ch_in;
507 } else if (i == 1) {
508 p_obj_drc->str_config.num_ch_out =
509 p_obj_drc->str_payload.pstr_drc_sel_proc_output->target_channel_count;
510 audio_num_chan = p_obj_drc->str_config.num_ch_out;
511 }
512
513 err_code = impd_init_drc_decode_post_config(
514 audio_num_chan, matchingDrcSetIds, matchingDownmixIds,
515 numMatchingDrcSets,
516 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_eq_set_ids[i]
517
518 ,
519 p_obj_drc->str_payload.pstr_gain_dec[i],
520 p_obj_drc->str_payload.pstr_drc_config,
521 p_obj_drc->str_payload.pstr_loudness_info, &persistent_ptr);
522 if (err_code) return err_code;
523
524 impd_get_parametric_drc_delay(
525 p_obj_drc->str_payload.pstr_gain_dec[i],
526 p_obj_drc->str_payload.pstr_drc_config,
527 &p_obj_drc->str_config.parametric_drc_delay_gain_dec_instance,
528 &p_obj_drc->str_config.parametric_drc_delay_max);
529 impd_get_eq_delay(p_obj_drc->str_payload.pstr_gain_dec[i],
530 p_obj_drc->str_payload.pstr_drc_config,
531 &p_obj_drc->str_config.eq_delay_gain_dec_instance,
532 &p_obj_drc->str_config.eq_delay_max);
533 p_obj_drc->str_config.parametric_drc_delay +=
534 p_obj_drc->str_config.parametric_drc_delay_gain_dec_instance;
535 p_obj_drc->str_config.eq_delay +=
536 p_obj_drc->str_config.eq_delay_gain_dec_instance;
537 }
538
539 {
540 if (p_obj_drc->str_config.parametric_drc_delay_max == -1) {
541 p_obj_drc->str_config.parametric_drc_delay_max =
542 PARAMETRIC_DRC_DELAY_MAX_DEFAULT;
543 }
544 if (p_obj_drc->str_config.eq_delay_max == -1) {
545 p_obj_drc->str_config.eq_delay_max = EQ_DELAY_MAX_DEFAULT;
546 }
547
548 if (!p_obj_drc->str_config.constant_delay_on) {
549 p_obj_drc->p_state->delay_in_output +=
550 p_obj_drc->str_config.parametric_drc_delay +
551 p_obj_drc->str_config.eq_delay +
552 p_obj_drc->str_config.audio_delay_samples;
553 p_obj_drc->str_config.delay_line_samples =
554 p_obj_drc->str_config.audio_delay_samples;
555
556 if (!p_obj_drc->str_config.absorb_delay_on) {
557 p_obj_drc->p_state->delay_in_output = 0;
558 }
559 } else {
560 p_obj_drc->p_state->delay_in_output +=
561 p_obj_drc->str_config.parametric_drc_delay_max +
562 p_obj_drc->str_config.eq_delay_max +
563 p_obj_drc->str_config.audio_delay_samples;
564 p_obj_drc->str_config.delay_line_samples =
565 p_obj_drc->p_state->delay_in_output -
566 p_obj_drc->str_config.parametric_drc_delay +
567 p_obj_drc->str_config.eq_delay;
568
569 if (!p_obj_drc->str_config.absorb_delay_on) {
570 p_obj_drc->p_state->delay_in_output = 0;
571 }
572 }
573 }
574 if (p_obj_drc->str_config.dec_type == 1) {
575 init_qmf_filt_bank(p_obj_drc->str_payload.pstr_qmf_filter);
576 }
577
578 if (p_obj_drc->str_config.peak_limiter) {
579 err_code = impd_peak_limiter_init(
580 p_obj_drc->str_payload.pstr_peak_limiter, DEFAULT_ATTACK_TIME_MS,
581 DEFAULT_RELEASE_TIME_MS, LIM_DEFAULT_THRESHOLD,
582 p_obj_drc->str_config.num_ch_out, p_obj_drc->str_config.sampling_rate,
583 p_obj_drc->str_payload.pstr_peak_limiter->buffer);
584 if (err_code) return (err_code);
585 }
586
587 return IA_NO_ERROR;
588 }
589