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 "ixheaac_constants.h"
28 #include "impd_drc_common.h"
29 #include "impd_drc_struct.h"
30 #include "impd_drc_interface.h"
31 #include "impd_memory_standards.h"
32 #include "impd_drc_peak_limiter.h"
33 #include "impd_drc_bitbuffer.h"
34 #include "impd_drc_bitstream_dec_api.h"
35 #include "impd_drc_gain_dec.h"
36 #include "impd_drc_filter_bank.h"
37 #include "impd_drc_multi_band.h"
38 #include "impd_drc_process_audio.h"
39 #include "impd_parametric_drc_dec.h"
40 #include "impd_drc_eq.h"
41 #include "impd_drc_gain_decoder.h"
42 #include "impd_drc_selection_process.h"
43 #include "impd_drc_api_struct_def.h"
44 #include "impd_drc_peak_limiter.h"
45
46 #define PARAMETRIC_DRC_DELAY_MAX_DEFAULT 4096
47 #define EQ_DELAY_MAX_DEFAULT 256
48
49 IA_ERRORCODE impd_drc_mem_api(ia_drc_api_struct *p_obj_drc, WORD32 iCmd,
50 WORD32 iIdx, pVOID pvValue);
51
52 IA_ERRORCODE impd_drc_fill_mem_tables(ia_drc_api_struct *p_obj_drc);
53
54 WORD32
55 impd_drc_dec_interface_process(ia_bit_buf_struct *it_bit_buff,
56 ia_drc_interface_struct *pstr_drc_interface,
57 UWORD8 *it_bit_buf, WORD32 num_bit_stream_bits,
58 WORD32 *num_bits_read);
59
60 WORD32
61 impd_drc_dec_interface_add_effect_type(
62 ia_drc_interface_struct *pstr_drc_interface, WORD32 drc_effect_type,
63 WORD32 target_loudness, WORD32 loud_norm, WORD32 album_mode, FLOAT32 boost,
64 FLOAT32 compress);
65
66 #define BITSTREAM_FILE_FORMAT_SPLIT 1
67 #define LIM_DEFAULT_THRESHOLD (0.89125094f)
68
impd_match_downmix(WORD32 downmix_id,WORD32 dec_downmix_id)69 static WORD32 impd_match_downmix(WORD32 downmix_id, WORD32 dec_downmix_id) {
70 WORD32 id_match = 0;
71
72 switch (dec_downmix_id) {
73 case 0:
74 id_match = (downmix_id == 0);
75 break;
76 case 1:
77 id_match = ((downmix_id == 0) || (downmix_id == 0x7F));
78 break;
79 case 2:
80 id_match = (downmix_id == 0x7F);
81 break;
82 case 3:
83 id_match = ((downmix_id != 0) && (downmix_id != 0x7F));
84 break;
85 case 4:
86 id_match = (downmix_id != 0);
87 break;
88 }
89 return id_match;
90 }
91
impd_drc_set_default_config(ia_drc_api_struct * p_obj_drc)92 IA_ERRORCODE impd_drc_set_default_config(ia_drc_api_struct *p_obj_drc) {
93 memset(p_obj_drc, 0, sizeof(*p_obj_drc));
94 p_obj_drc->str_config.bitstream_file_format = 1;
95 p_obj_drc->str_config.dec_type = 0;
96 p_obj_drc->str_config.sub_band_domain_mode = 0;
97 p_obj_drc->str_config.sub_band_count = 0;
98 p_obj_drc->str_config.sub_band_down_sampling_factor = 0;
99 p_obj_drc->str_config.sampling_rate = 0;
100 p_obj_drc->str_config.frame_size = 1024;
101 p_obj_drc->str_config.num_ch_in = -1;
102 p_obj_drc->str_config.num_ch_out = -1;
103 p_obj_drc->str_config.control_parameter_index = -1;
104 p_obj_drc->str_config.peak_limiter = 0;
105 p_obj_drc->str_config.delay_mode = 0;
106 p_obj_drc->str_config.interface_bitstream_present = 1;
107 p_obj_drc->str_config.gain_delay_samples = 0;
108 p_obj_drc->str_config.absorb_delay_on = 1;
109 p_obj_drc->str_config.subband_domain_io_flag = 0;
110 p_obj_drc->str_bit_handler.gain_stream_flag = 1;
111 p_obj_drc->str_config.constant_delay_on = 0;
112 p_obj_drc->str_config.audio_delay_samples = 0;
113 p_obj_drc->str_config.effect_type = 0;
114 p_obj_drc->str_config.target_loudness = -24;
115 p_obj_drc->str_config.loud_norm_flag = 0;
116 p_obj_drc->str_config.album_mode = 0;
117 p_obj_drc->str_config.boost = 1.0f;
118 p_obj_drc->str_config.compress = 1.0f;
119 memset(&p_obj_drc->str_bit_handler, 0, sizeof(p_obj_drc->str_bit_handler));
120
121 return IA_NO_ERROR;
122 }
123
impd_drc_set_default_bitstream_config(ia_drc_config * pstr_drc_config)124 IA_ERRORCODE impd_drc_set_default_bitstream_config(
125 ia_drc_config *pstr_drc_config) {
126 WORD32 i;
127
128 pstr_drc_config->sample_rate_present = 0;
129 pstr_drc_config->sampling_rate = 0;
130 pstr_drc_config->dwnmix_instructions_count = 0;
131 pstr_drc_config->drc_coefficients_drc_count = 1;
132 pstr_drc_config->drc_instructions_uni_drc_count = 4;
133 pstr_drc_config->drc_instructions_count_plus = 5;
134 pstr_drc_config->drc_description_basic_present = 0;
135 pstr_drc_config->drc_coefficients_basic_count = 0;
136 pstr_drc_config->drc_instructions_basic_count = 0;
137 pstr_drc_config->drc_config_ext_present = 1;
138 pstr_drc_config->apply_drc = 0;
139 pstr_drc_config->str_drc_config_ext.drc_config_ext_type[0] = 2;
140 pstr_drc_config->str_drc_config_ext.ext_bit_size[0] = 345;
141 pstr_drc_config->str_drc_config_ext.parametric_drc_present = 0;
142 pstr_drc_config->str_drc_config_ext.drc_extension_v1_present = 1;
143 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].version = 1;
144 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].drc_location = 1;
145 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count = 4;
146 for (i = 0;
147 i <
148 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count;
149 i++) {
150 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
151 .gain_set_params[i]
152 .gain_interpolation_type = 1;
153 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
154 .gain_set_params[i]
155 .band_count = 1;
156 }
157 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_sequence_count =
158 4;
159 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
160 .gain_set_params_index_for_gain_sequence[0] = 0;
161 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
162 .gain_set_params_index_for_gain_sequence[1] = 1;
163 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
164 .gain_set_params_index_for_gain_sequence[2] = 2;
165 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0]
166 .gain_set_params_index_for_gain_sequence[3] = 3;
167 pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[0].gain_set_count_plus =
168 4;
169 pstr_drc_config->str_drc_instruction_str[0].drc_set_id = 1;
170 pstr_drc_config->str_drc_instruction_str[0].drc_set_complexity_level = 2;
171 pstr_drc_config->str_drc_instruction_str[0].drc_location = 1;
172 pstr_drc_config->str_drc_instruction_str[0].dwnmix_id_count = 1;
173 pstr_drc_config->str_drc_instruction_str[0].drc_set_effect = 1;
174 pstr_drc_config->str_drc_instruction_str[0].gain_set_index[1] = 1;
175 pstr_drc_config->str_drc_instruction_str[0]
176 .drc_set_target_loudness_value_lower = -63;
177 pstr_drc_config->str_drc_instruction_str[0].num_drc_ch_groups = 2;
178 pstr_drc_config->str_drc_instruction_str[0]
179 .gain_set_index_for_channel_group[1] = 1;
180 pstr_drc_config->str_drc_instruction_str[0].band_count_of_ch_group[0] = 1;
181 pstr_drc_config->str_drc_instruction_str[0].band_count_of_ch_group[1] = 1;
182 pstr_drc_config->str_drc_instruction_str[0]
183 .gain_interpolation_type_for_channel_group[0] = 1;
184 pstr_drc_config->str_drc_instruction_str[0]
185 .gain_interpolation_type_for_channel_group[1] = 1;
186 pstr_drc_config->str_drc_instruction_str[0]
187 .time_delta_min_for_channel_group[0] = 32;
188 pstr_drc_config->str_drc_instruction_str[0]
189 .time_delta_min_for_channel_group[1] = 32;
190 pstr_drc_config->str_drc_instruction_str[0].channel_group_of_ch[1] = 1;
191 pstr_drc_config->str_drc_instruction_str[0].gain_element_count = 2;
192
193 pstr_drc_config->str_drc_instruction_str[1].drc_set_id = 2;
194 pstr_drc_config->str_drc_instruction_str[1].drc_set_complexity_level = 2;
195 pstr_drc_config->str_drc_instruction_str[1].drc_location = 1;
196 pstr_drc_config->str_drc_instruction_str[1].dwnmix_id_count = 1;
197 pstr_drc_config->str_drc_instruction_str[1].drc_set_effect = 2;
198 pstr_drc_config->str_drc_instruction_str[1].gain_set_index[0] = 1;
199 pstr_drc_config->str_drc_instruction_str[1].gain_set_index[1] = 2;
200 pstr_drc_config->str_drc_instruction_str[1]
201 .drc_set_target_loudness_value_lower = -63;
202 pstr_drc_config->str_drc_instruction_str[1].num_drc_ch_groups = 2;
203 pstr_drc_config->str_drc_instruction_str[1]
204 .gain_set_index_for_channel_group[0] = 1;
205 pstr_drc_config->str_drc_instruction_str[1]
206 .gain_set_index_for_channel_group[1] = 2;
207 pstr_drc_config->str_drc_instruction_str[1].band_count_of_ch_group[0] = 1;
208 pstr_drc_config->str_drc_instruction_str[1].band_count_of_ch_group[1] = 1;
209 pstr_drc_config->str_drc_instruction_str[1]
210 .gain_interpolation_type_for_channel_group[0] = 1;
211 pstr_drc_config->str_drc_instruction_str[1]
212 .gain_interpolation_type_for_channel_group[1] = 1;
213 pstr_drc_config->str_drc_instruction_str[1]
214 .time_delta_min_for_channel_group[0] = 32;
215 pstr_drc_config->str_drc_instruction_str[1]
216 .time_delta_min_for_channel_group[1] = 32;
217 pstr_drc_config->str_drc_instruction_str[1].channel_group_of_ch[1] = 1;
218 pstr_drc_config->str_drc_instruction_str[1].gain_element_count = 2;
219
220 pstr_drc_config->str_drc_instruction_str[2].drc_set_id = 3;
221 pstr_drc_config->str_drc_instruction_str[2].drc_set_complexity_level = 2;
222 pstr_drc_config->str_drc_instruction_str[2].drc_location = 1;
223 pstr_drc_config->str_drc_instruction_str[2].dwnmix_id_count = 1;
224 pstr_drc_config->str_drc_instruction_str[2].drc_set_effect = 4;
225 pstr_drc_config->str_drc_instruction_str[2].gain_set_index[0] = 2;
226 pstr_drc_config->str_drc_instruction_str[2].gain_set_index[1] = 3;
227 pstr_drc_config->str_drc_instruction_str[2]
228 .drc_set_target_loudness_value_lower = -63;
229 pstr_drc_config->str_drc_instruction_str[2].num_drc_ch_groups = 2;
230 pstr_drc_config->str_drc_instruction_str[2]
231 .gain_set_index_for_channel_group[0] = 2;
232 pstr_drc_config->str_drc_instruction_str[2]
233 .gain_set_index_for_channel_group[1] = 3;
234 pstr_drc_config->str_drc_instruction_str[2].band_count_of_ch_group[0] = 1;
235 pstr_drc_config->str_drc_instruction_str[2].band_count_of_ch_group[1] = 1;
236 pstr_drc_config->str_drc_instruction_str[2]
237 .gain_interpolation_type_for_channel_group[0] = 1;
238 pstr_drc_config->str_drc_instruction_str[2]
239 .gain_interpolation_type_for_channel_group[1] = 1;
240 pstr_drc_config->str_drc_instruction_str[2]
241 .time_delta_min_for_channel_group[0] = 32;
242 pstr_drc_config->str_drc_instruction_str[2]
243 .time_delta_min_for_channel_group[1] = 32;
244 pstr_drc_config->str_drc_instruction_str[2].channel_group_of_ch[1] = 1;
245 pstr_drc_config->str_drc_instruction_str[2].gain_element_count = 2;
246
247 pstr_drc_config->str_drc_instruction_str[3].drc_set_id = 4;
248 pstr_drc_config->str_drc_instruction_str[3].drc_set_complexity_level = 2;
249 pstr_drc_config->str_drc_instruction_str[3].drc_location = 1;
250 pstr_drc_config->str_drc_instruction_str[3].dwnmix_id_count = 1;
251 pstr_drc_config->str_drc_instruction_str[3].drc_set_effect = 32;
252 pstr_drc_config->str_drc_instruction_str[3].gain_set_index[0] = 3;
253 pstr_drc_config->str_drc_instruction_str[3].gain_set_index[1] = 0;
254 pstr_drc_config->str_drc_instruction_str[3]
255 .drc_set_target_loudness_value_lower = -63;
256 pstr_drc_config->str_drc_instruction_str[3].num_drc_ch_groups = 2;
257 pstr_drc_config->str_drc_instruction_str[3]
258 .gain_set_index_for_channel_group[0] = 3;
259 pstr_drc_config->str_drc_instruction_str[3]
260 .gain_set_index_for_channel_group[1] = 0;
261 pstr_drc_config->str_drc_instruction_str[3].band_count_of_ch_group[0] = 1;
262 pstr_drc_config->str_drc_instruction_str[3].band_count_of_ch_group[1] = 1;
263 pstr_drc_config->str_drc_instruction_str[3]
264 .gain_interpolation_type_for_channel_group[0] = 1;
265 pstr_drc_config->str_drc_instruction_str[3]
266 .gain_interpolation_type_for_channel_group[1] = 1;
267 pstr_drc_config->str_drc_instruction_str[3]
268 .time_delta_min_for_channel_group[0] = 32;
269 pstr_drc_config->str_drc_instruction_str[3]
270 .time_delta_min_for_channel_group[1] = 32;
271 pstr_drc_config->str_drc_instruction_str[3].channel_group_of_ch[1] = 1;
272 pstr_drc_config->str_drc_instruction_str[3].gain_element_count = 2;
273
274 pstr_drc_config->str_drc_instruction_str[4].drc_set_id = -1;
275 pstr_drc_config->str_drc_instruction_str[4].dwnmix_id_count = 1;
276 pstr_drc_config->channel_layout.base_channel_count = 2;
277
278 return IA_NO_ERROR;
279 }
280
impd_drc_set_struct_pointer(ia_drc_api_struct * p_obj_drc)281 IA_ERRORCODE impd_drc_set_struct_pointer(ia_drc_api_struct *p_obj_drc) {
282 pUWORD8 persistent_ptr = (pUWORD8)p_obj_drc->p_state->persistent_ptr;
283
284 UWORD64 persistent_size_consumed = 0;
285 p_obj_drc->str_payload.pstr_bitstream_dec = (ia_drc_bits_dec_struct *)persistent_ptr;
286 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_bits_dec_struct), BYTE_ALIGN_8);
287
288 p_obj_drc->str_payload.pstr_gain_dec[0] = (ia_drc_gain_dec_struct *)persistent_ptr;
289 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_gain_dec_struct), BYTE_ALIGN_8);
290
291 p_obj_drc->str_payload.pstr_gain_dec[1] = (ia_drc_gain_dec_struct *)persistent_ptr;
292 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_gain_dec_struct), BYTE_ALIGN_8);
293
294 p_obj_drc->str_payload.pstr_loudness_info = (ia_drc_loudness_info_set_struct *)persistent_ptr;
295 persistent_ptr +=
296 IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_loudness_info_set_struct), BYTE_ALIGN_8);
297
298 p_obj_drc->str_payload.pstr_drc_gain = (ia_drc_gain_struct *)persistent_ptr;
299 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_gain_struct), BYTE_ALIGN_8);
300
301 p_obj_drc->str_payload.pstr_drc_interface = (ia_drc_interface_struct *)persistent_ptr;
302 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_interface_struct), BYTE_ALIGN_8);
303
304 p_obj_drc->str_payload.pstr_drc_config = (ia_drc_config *)persistent_ptr;
305 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_config), BYTE_ALIGN_8);
306
307 p_obj_drc->str_payload.pstr_selection_proc = (ia_drc_sel_pro_struct *)persistent_ptr;
308 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_sel_pro_struct), BYTE_ALIGN_8);
309
310 p_obj_drc->str_bit_handler.it_bit_buf = (UWORD8 *)persistent_ptr;
311 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(MAX_DRC_BS_BUF_SIZE, BYTE_ALIGN_8);
312
313 p_obj_drc->str_payload.pstr_drc_sel_proc_params =
314 (ia_drc_sel_proc_params_struct *)persistent_ptr;
315 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_sel_proc_params_struct), BYTE_ALIGN_8);
316
317 p_obj_drc->str_payload.pstr_drc_sel_proc_output =
318 (ia_drc_sel_proc_output_struct *)persistent_ptr;
319 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_sel_proc_output_struct), BYTE_ALIGN_8);
320
321 p_obj_drc->str_bit_handler.bitstream_drc_config = (UWORD8 *)persistent_ptr;
322 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(MAX_BS_BUF_SIZE, BYTE_ALIGN_8);
323
324 p_obj_drc->str_bit_handler.bitstream_loudness_info = (UWORD8 *)persistent_ptr;
325 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(MAX_BS_BUF_SIZE, BYTE_ALIGN_8);
326
327 p_obj_drc->str_bit_handler.bitstream_unidrc_interface = (UWORD8 *)persistent_ptr;
328 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(MAX_BS_BUF_SIZE, BYTE_ALIGN_8);
329
330 p_obj_drc->str_payload.pstr_peak_limiter = (ia_drc_peak_limiter_struct *)persistent_ptr;
331 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_peak_limiter_struct), BYTE_ALIGN_8);
332
333 p_obj_drc->str_payload.pstr_peak_limiter->buffer = (FLOAT32 *)persistent_ptr;
334 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(PEAK_LIM_BUF_SIZE, BYTE_ALIGN_8);
335
336 p_obj_drc->str_payload.pstr_qmf_filter = (ia_drc_qmf_filt_struct *)persistent_ptr;
337 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(sizeof(ia_drc_qmf_filt_struct), BYTE_ALIGN_8);
338
339 p_obj_drc->str_payload.pstr_qmf_filter->ana_buff = (FLOAT64 *)persistent_ptr;
340 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(ANALY_BUF_SIZE, BYTE_ALIGN_8);
341
342 p_obj_drc->str_payload.pstr_qmf_filter->syn_buff = (FLOAT64 *)persistent_ptr;
343 persistent_ptr += IXHEAAC_GET_SIZE_ALIGNED(SYNTH_BUF_SIZE, BYTE_ALIGN_8);
344
345 persistent_size_consumed =
346 (UWORD64)(persistent_ptr - (pUWORD8)p_obj_drc->p_state->persistent_ptr);
347
348 if ((UWORD64)p_obj_drc->p_mem_info[IA_MEMTYPE_PERSIST].ui_size <
349 persistent_size_consumed)
350 return IA_FATAL_ERROR;
351
352 p_obj_drc->p_state->persistent_ptr = (pVOID)persistent_ptr;
353 return IA_NO_ERROR;
354 }
355
init_qmf_filt_bank(ia_drc_qmf_filt_struct * qmf_filt)356 VOID init_qmf_filt_bank(ia_drc_qmf_filt_struct *qmf_filt) {
357 WORD32 l, k;
358
359 FLOAT64 gain_ana = 64.0 / QMF_FILT_RESOLUTION;
360 FLOAT64 gain_syn = 1.0 / 64.0;
361 for (l = 0; l < 2 * QMF_FILT_RESOLUTION; l++) {
362 for (k = 0; k < QMF_FILT_RESOLUTION; k++) {
363 qmf_filt->syn_tab_real[l][k] =
364 gain_syn * cos((0.0245436926) * (k + 0.5) * (2 * l - 255.0));
365 qmf_filt->syn_tab_imag[l][k] =
366 gain_syn * sin((0.0245436926) * (k + 0.5) * (2 * l - 255.0));
367 qmf_filt->ana_tab_real[k][l] =
368 gain_ana * cos((0.0245436926) * (k + 0.5) * (2 * l - 1.0));
369 qmf_filt->ana_tab_imag[k][l] =
370 gain_ana * sin((0.0245436926) * (k + 0.5) * (2 * l - 1.0));
371 }
372 }
373 }
374
impd_drc_init(ia_drc_api_struct * p_obj_drc)375 IA_ERRORCODE impd_drc_init(ia_drc_api_struct *p_obj_drc) {
376 IA_ERRORCODE err_code = IA_NO_ERROR;
377 WORD32 i, j;
378
379 pVOID persistent_ptr = p_obj_drc->p_state->persistent_ptr;
380
381 WORD32 decDownmixIdList[NUM_GAIN_DEC_INSTANCES] = {0, 4};
382
383 p_obj_drc->p_state->delay_in_output = 0;
384 p_obj_drc->str_payload.pstr_selection_proc->first_frame = 1;
385
386 impd_create_init_bit_buf(&p_obj_drc->str_bit_buf,
387 p_obj_drc->str_bit_handler.it_bit_buf,
388 p_obj_drc->str_bit_handler.num_bytes_bs / 8);
389
390 p_obj_drc->pstr_bit_buf = &p_obj_drc->str_bit_buf;
391
392 err_code = impd_init_drc_bitstream_dec(
393 p_obj_drc->str_payload.pstr_bitstream_dec,
394 p_obj_drc->str_config.sampling_rate, p_obj_drc->str_config.frame_size,
395 p_obj_drc->str_config.delay_mode, -1, 0);
396 if (err_code != IA_NO_ERROR) return err_code;
397
398 for (i = 0; i < NUM_GAIN_DEC_INSTANCES; i++) {
399 err_code = impd_init_drc_decode(p_obj_drc->str_config.frame_size,
400 p_obj_drc->str_config.sampling_rate,
401 p_obj_drc->str_config.gain_delay_samples,
402 p_obj_drc->str_config.delay_mode,
403 p_obj_drc->str_config.sub_band_domain_mode,
404 p_obj_drc->str_payload.pstr_gain_dec[i]);
405 if (err_code != IA_NO_ERROR) return err_code;
406 }
407
408 if (!p_obj_drc->str_config.boost_set) p_obj_drc->str_config.boost = 1.0f;
409
410 if (!p_obj_drc->str_config.compress_set)
411 p_obj_drc->str_config.compress = 1.0f;
412
413 err_code = impd_drc_dec_interface_add_effect_type(
414 p_obj_drc->str_payload.pstr_drc_interface,
415 p_obj_drc->str_config.effect_type, p_obj_drc->str_config.target_loudness,
416 p_obj_drc->str_config.loud_norm_flag, p_obj_drc->str_config.album_mode,
417 p_obj_drc->str_config.boost, p_obj_drc->str_config.compress);
418
419 if (err_code != IA_NO_ERROR) return err_code;
420
421 err_code = impd_drc_uni_selction_proc_init(
422 p_obj_drc->str_payload.pstr_selection_proc, 0,
423 p_obj_drc->str_payload.pstr_drc_interface,
424 p_obj_drc->str_config.sub_band_domain_mode);
425 if (err_code != IA_NO_ERROR) return err_code;
426
427 if (p_obj_drc->str_payload.pstr_drc_interface
428 ->loudness_norm_parameter_interface_flag &&
429 p_obj_drc->str_payload.pstr_drc_interface->loudness_norm_param_interface
430 .peak_limiter) {
431 p_obj_drc->str_config.peak_limiter = 1;
432 }
433
434 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_album_count = 0;
435 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_count = 0;
436 p_obj_drc->str_payload.pstr_loudness_info->loudness_info_set_ext_present = 0;
437 p_obj_drc->p_state->ui_exe_done = 0;
438
439 err_code = impd_process_drc_bitstream_dec_config(
440 p_obj_drc->str_payload.pstr_bitstream_dec, p_obj_drc->pstr_bit_buf,
441 p_obj_drc->str_payload.pstr_drc_config,
442 &p_obj_drc->str_bit_handler.bitstream_drc_config[0],
443 p_obj_drc->str_bit_handler.num_bytes_bs_drc_config);
444
445 if (err_code == 1) {
446 memset(p_obj_drc->str_payload.pstr_drc_config, 0, sizeof(ia_drc_config));
447 err_code = impd_drc_set_default_bitstream_config(
448 p_obj_drc->str_payload.pstr_drc_config);
449 p_obj_drc->str_payload.pstr_drc_config->channel_layout.base_channel_count =
450 p_obj_drc->str_config.num_ch_in;
451 }
452
453 if (err_code != IA_NO_ERROR) return err_code;
454 err_code = impd_process_drc_bitstream_dec_loudness_info_set(
455 p_obj_drc->pstr_bit_buf, p_obj_drc->str_payload.pstr_loudness_info,
456 &p_obj_drc->str_bit_handler.bitstream_loudness_info[0],
457 p_obj_drc->str_bit_handler.num_bytes_bs_loudness_info);
458 if (err_code != IA_NO_ERROR) return err_code;
459
460 if (p_obj_drc->str_payload.pstr_loudness_info->loudness_info
461 ->anchor_loudness_present)
462 p_obj_drc->str_payload.pstr_selection_proc->uni_drc_sel_proc_params
463 .loudness_measurement_method = METHOD_DEFINITION_ANCHOR_LOUDNESS;
464
465 if (p_obj_drc->str_payload.pstr_loudness_info->loudness_info
466 ->expert_loudness_present)
467 p_obj_drc->str_payload.pstr_selection_proc->uni_drc_sel_proc_params
468 .loudness_measurement_system = USER_MEASUREMENT_SYSTEM_EXPERT_PANEL;
469
470 err_code = impd_drc_uni_sel_proc_process(
471 p_obj_drc->str_payload.pstr_selection_proc,
472 p_obj_drc->str_payload.pstr_drc_config,
473 p_obj_drc->str_payload.pstr_loudness_info,
474 p_obj_drc->str_payload.pstr_drc_sel_proc_output);
475 if (err_code != IA_NO_ERROR) return err_code;
476
477 for (i = 0; i < NUM_GAIN_DEC_INSTANCES; i++) {
478 WORD32 audio_num_chan = 0;
479 WORD32 numMatchingDrcSets = 0;
480 WORD32 matchingDrcSetIds[3], matchingDownmixIds[3];
481 for (j = 0;
482 j < p_obj_drc->str_payload.pstr_drc_sel_proc_output->num_sel_drc_sets;
483 j++) {
484 if (impd_match_downmix(p_obj_drc->str_payload.pstr_drc_sel_proc_output
485 ->sel_downmix_ids[j],
486 decDownmixIdList[i])) {
487 matchingDrcSetIds[numMatchingDrcSets] =
488 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_drc_set_ids[j];
489 matchingDownmixIds[numMatchingDrcSets] =
490 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_downmix_ids[j];
491 numMatchingDrcSets++;
492 }
493 }
494 if (i == 0) {
495 if (p_obj_drc->str_config.num_ch_in !=
496 p_obj_drc->str_payload.pstr_drc_sel_proc_output->base_channel_count)
497
498 return -1;
499 audio_num_chan = p_obj_drc->str_config.num_ch_in;
500 } else if (i == 1) {
501 p_obj_drc->str_config.num_ch_out =
502 p_obj_drc->str_payload.pstr_drc_sel_proc_output->target_channel_count;
503 audio_num_chan = p_obj_drc->str_config.num_ch_out;
504 }
505
506 err_code = impd_init_drc_decode_post_config(
507 audio_num_chan, matchingDrcSetIds, matchingDownmixIds,
508 numMatchingDrcSets,
509 p_obj_drc->str_payload.pstr_drc_sel_proc_output->sel_eq_set_ids[i]
510
511 ,
512 p_obj_drc->str_payload.pstr_gain_dec[i],
513 p_obj_drc->str_payload.pstr_drc_config,
514 p_obj_drc->str_payload.pstr_loudness_info, &persistent_ptr);
515 if (err_code) return err_code;
516
517 impd_get_parametric_drc_delay(
518 p_obj_drc->str_payload.pstr_gain_dec[i],
519 p_obj_drc->str_payload.pstr_drc_config,
520 &p_obj_drc->str_config.parametric_drc_delay_gain_dec_instance,
521 &p_obj_drc->str_config.parametric_drc_delay_max);
522 impd_get_eq_delay(p_obj_drc->str_payload.pstr_gain_dec[i],
523 p_obj_drc->str_payload.pstr_drc_config,
524 &p_obj_drc->str_config.eq_delay_gain_dec_instance,
525 &p_obj_drc->str_config.eq_delay_max);
526 p_obj_drc->str_config.parametric_drc_delay +=
527 p_obj_drc->str_config.parametric_drc_delay_gain_dec_instance;
528 p_obj_drc->str_config.eq_delay +=
529 p_obj_drc->str_config.eq_delay_gain_dec_instance;
530 }
531
532 {
533 if (p_obj_drc->str_config.parametric_drc_delay_max == -1) {
534 p_obj_drc->str_config.parametric_drc_delay_max =
535 PARAMETRIC_DRC_DELAY_MAX_DEFAULT;
536 }
537 if (p_obj_drc->str_config.eq_delay_max == -1) {
538 p_obj_drc->str_config.eq_delay_max = EQ_DELAY_MAX_DEFAULT;
539 }
540
541 if (!p_obj_drc->str_config.constant_delay_on) {
542 p_obj_drc->p_state->delay_in_output +=
543 p_obj_drc->str_config.parametric_drc_delay +
544 p_obj_drc->str_config.eq_delay +
545 p_obj_drc->str_config.audio_delay_samples;
546 p_obj_drc->str_config.delay_line_samples =
547 p_obj_drc->str_config.audio_delay_samples;
548
549 if (!p_obj_drc->str_config.absorb_delay_on) {
550 p_obj_drc->p_state->delay_in_output = 0;
551 }
552 } else {
553 p_obj_drc->p_state->delay_in_output +=
554 p_obj_drc->str_config.parametric_drc_delay_max +
555 p_obj_drc->str_config.eq_delay_max +
556 p_obj_drc->str_config.audio_delay_samples;
557 p_obj_drc->str_config.delay_line_samples =
558 p_obj_drc->p_state->delay_in_output -
559 p_obj_drc->str_config.parametric_drc_delay +
560 p_obj_drc->str_config.eq_delay;
561
562 if (!p_obj_drc->str_config.absorb_delay_on) {
563 p_obj_drc->p_state->delay_in_output = 0;
564 }
565 }
566 }
567 if (p_obj_drc->str_config.dec_type == 1) {
568 init_qmf_filt_bank(p_obj_drc->str_payload.pstr_qmf_filter);
569 }
570
571 if (p_obj_drc->str_config.peak_limiter) {
572 err_code = impd_peak_limiter_init(
573 p_obj_drc->str_payload.pstr_peak_limiter, DEFAULT_ATTACK_TIME_MS,
574 DEFAULT_RELEASE_TIME_MS, LIM_DEFAULT_THRESHOLD,
575 p_obj_drc->str_config.num_ch_out, p_obj_drc->str_config.sampling_rate,
576 p_obj_drc->str_payload.pstr_peak_limiter->buffer);
577 if (err_code) return (err_code);
578 }
579
580 return IA_NO_ERROR;
581 }
582