1 /*
2  * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
3  * Not a Contribution.
4  *
5  * Copyright (C) 2013 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 
20 #define LOG_TAG "offload_effect_bass"
21 #define LOG_NDEBUG 0
22 
23 #include <cutils/list.h>
24 #include <cutils/log.h>
25 #include <cutils/properties.h>
26 #include <tinyalsa/asoundlib.h>
27 #include <sound/audio_effects.h>
28 #include <audio_effects/effect_bassboost.h>
29 #include <stdlib.h>
30 #include <dlfcn.h>
31 
32 #include "effect_api.h"
33 #include "bass_boost.h"
34 
35 /* Offload bassboost UUID: 2c4a8c24-1581-487f-94f6-0002a5d5c51b */
36 const effect_descriptor_t bassboost_descriptor = {
37         {0x0634f220, 0xddd4, 0x11db, 0xa0fc, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }},
38         {0x2c4a8c24, 0x1581, 0x487f, 0x94f6, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
39         EFFECT_CONTROL_API_VERSION,
40         (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_HW_ACC_TUNNEL),
41         0, /* TODO */
42         1,
43         "MSM offload bassboost",
44         "The Android Open Source Project",
45 };
46 
47 #define LIB_ACDB_LOADER "libacdbloader.so"
48 #define PBE_CONF_APP_ID 0x00011130
49 
50 enum {
51         AUDIO_DEVICE_CAL_TYPE = 0,
52         AUDIO_STREAM_CAL_TYPE,
53 };
54 
55 typedef struct acdb_audio_cal_cfg {
56         uint32_t persist;
57         uint32_t snd_dev_id;
58         uint32_t dev_id;
59         int32_t acdb_dev_id;
60         uint32_t app_type;
61         uint32_t topo_id;
62         uint32_t sampling_rate;
63         uint32_t cal_type;
64         uint32_t module_id;
65         uint32_t param_id;
66 } acdb_audio_cal_cfg_t;
67 
68 typedef int (*acdb_get_audio_cal_t) (void *, void *, uint32_t*);
69 static int pbe_load_config(struct pbe_params *params);
70 
71 /*
72  * Bass operations
73  */
bass_get_parameter(effect_context_t * context,effect_param_t * p,uint32_t * size)74 int bass_get_parameter(effect_context_t *context, effect_param_t *p,
75                        uint32_t *size)
76 {
77     bass_context_t *bass_ctxt = (bass_context_t *)context;
78     int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
79     int32_t *param_tmp = (int32_t *)p->data;
80     int32_t param = *param_tmp++;
81     void *value = p->data + voffset;
82     int i;
83 
84     ALOGV("%s", __func__);
85 
86     p->status = 0;
87 
88     switch (param) {
89     case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
90         if (p->vsize < sizeof(uint32_t))
91            p->status = -EINVAL;
92         p->vsize = sizeof(uint32_t);
93         break;
94     case BASSBOOST_PARAM_STRENGTH:
95         if (p->vsize < sizeof(int16_t))
96            p->status = -EINVAL;
97         p->vsize = sizeof(int16_t);
98         break;
99     default:
100         p->status = -EINVAL;
101     }
102 
103     *size = sizeof(effect_param_t) + voffset + p->vsize;
104 
105     if (p->status != 0)
106         return 0;
107 
108     switch (param) {
109     case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
110         ALOGV("%s: BASSBOOST_PARAM_STRENGTH_SUPPORTED", __func__);
111         if (bass_ctxt->active_index == BASS_BOOST)
112             *(uint32_t *)value = 1;
113         else
114             *(uint32_t *)value = 0;
115         break;
116 
117     case BASSBOOST_PARAM_STRENGTH:
118         ALOGV("%s: BASSBOOST_PARAM_STRENGTH", __func__);
119         if (bass_ctxt->active_index == BASS_BOOST)
120             *(int16_t *)value = bassboost_get_strength(&(bass_ctxt->bassboost_ctxt));
121         else
122             *(int16_t *)value = 0;
123         break;
124 
125     default:
126         p->status = -EINVAL;
127         break;
128     }
129 
130     return 0;
131 }
132 
bass_set_parameter(effect_context_t * context,effect_param_t * p,uint32_t size __unused)133 int bass_set_parameter(effect_context_t *context, effect_param_t *p,
134                        uint32_t size __unused)
135 {
136     bass_context_t *bass_ctxt = (bass_context_t *)context;
137     int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
138     void *value = p->data + voffset;
139     int32_t *param_tmp = (int32_t *)p->data;
140     int32_t param = *param_tmp++;
141     uint32_t strength;
142 
143     ALOGV("%s", __func__);
144 
145     p->status = 0;
146 
147     switch (param) {
148     case BASSBOOST_PARAM_STRENGTH:
149         ALOGV("%s BASSBOOST_PARAM_STRENGTH", __func__);
150         if (bass_ctxt->active_index == BASS_BOOST) {
151             strength = (uint32_t)(*(int16_t *)value);
152             bassboost_set_strength(&(bass_ctxt->bassboost_ctxt), strength);
153         } else {
154             /* stength supported only for BB and not for PBE, but do not
155              * return error for unsupported case, as it fails cts test
156              */
157             ALOGD("%s ignore set strength, index %d",
158                   __func__, bass_ctxt->active_index);
159             break;
160         }
161         break;
162     default:
163         p->status = -EINVAL;
164         break;
165     }
166 
167     return 0;
168 }
169 
bass_set_device(effect_context_t * context,uint32_t device)170 int bass_set_device(effect_context_t *context, uint32_t device)
171 {
172     bass_context_t *bass_ctxt = (bass_context_t *)context;
173 
174     if (device == AUDIO_DEVICE_OUT_SPEAKER) {
175         bass_ctxt->active_index = BASS_PBE;
176         ALOGV("%s: set PBE mode, device: %x", __func__, device);
177     } else if (device == AUDIO_DEVICE_OUT_WIRED_HEADSET ||
178         device == AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
179         device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP ||
180         device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES) {
181         ALOGV("%s: set BB mode, device: %x", __func__, device);
182         bass_ctxt->active_index = BASS_BOOST;
183     } else {
184         ALOGI("%s: disabled by device: %x", __func__, device);
185         bass_ctxt->active_index = BASS_INVALID;
186     }
187 
188     bassboost_set_device((effect_context_t *)&(bass_ctxt->bassboost_ctxt), device);
189     pbe_set_device((effect_context_t *)&(bass_ctxt->pbe_ctxt), device);
190 
191     return 0;
192 }
193 
bass_reset(effect_context_t * context)194 int bass_reset(effect_context_t *context)
195 {
196     bass_context_t *bass_ctxt = (bass_context_t *)context;
197 
198     bassboost_reset((effect_context_t *)&(bass_ctxt->bassboost_ctxt));
199     pbe_reset((effect_context_t *)&(bass_ctxt->pbe_ctxt));
200 
201     return 0;
202 }
203 
bass_init(effect_context_t * context)204 int bass_init(effect_context_t *context)
205 {
206     bass_context_t *bass_ctxt = (bass_context_t *)context;
207 
208     // convery i/o channel config to sub effects
209     bass_ctxt->bassboost_ctxt.common.config = context->config;
210     bass_ctxt->pbe_ctxt.common.config = context->config;
211 
212     ALOGV("%s", __func__);
213 
214     bass_ctxt->active_index = BASS_BOOST;
215 
216 
217     bassboost_init((effect_context_t *)&(bass_ctxt->bassboost_ctxt));
218     pbe_init((effect_context_t *)&(bass_ctxt->pbe_ctxt));
219 
220     return 0;
221 }
222 
bass_enable(effect_context_t * context)223 int bass_enable(effect_context_t *context)
224 {
225     bass_context_t *bass_ctxt = (bass_context_t *)context;
226 
227     ALOGV("%s", __func__);
228 
229     bassboost_enable((effect_context_t *)&(bass_ctxt->bassboost_ctxt));
230     pbe_enable((effect_context_t *)&(bass_ctxt->pbe_ctxt));
231 
232     return 0;
233 }
234 
bass_disable(effect_context_t * context)235 int bass_disable(effect_context_t *context)
236 {
237     bass_context_t *bass_ctxt = (bass_context_t *)context;
238 
239     ALOGV("%s", __func__);
240 
241     bassboost_disable((effect_context_t *)&(bass_ctxt->bassboost_ctxt));
242     pbe_disable((effect_context_t *)&(bass_ctxt->pbe_ctxt));
243 
244     return 0;
245 }
246 
bass_start(effect_context_t * context,output_context_t * output)247 int bass_start(effect_context_t *context, output_context_t *output)
248 {
249     bass_context_t *bass_ctxt = (bass_context_t *)context;
250 
251     ALOGV("%s", __func__);
252 
253     bassboost_start((effect_context_t *)&(bass_ctxt->bassboost_ctxt), output);
254     pbe_start((effect_context_t *)&(bass_ctxt->pbe_ctxt), output);
255 
256     return 0;
257 }
258 
bass_stop(effect_context_t * context,output_context_t * output)259 int bass_stop(effect_context_t *context, output_context_t *output)
260 {
261     bass_context_t *bass_ctxt = (bass_context_t *)context;
262 
263     ALOGV("%s", __func__);
264 
265     bassboost_stop((effect_context_t *)&(bass_ctxt->bassboost_ctxt), output);
266     pbe_stop((effect_context_t *)&(bass_ctxt->pbe_ctxt), output);
267 
268     return 0;
269 }
270 
271 #undef LOG_TAG
272 #define LOG_TAG "offload_effect_bb"
273 /*
274  * Bassboost operations
275  */
276 
bassboost_get_strength(bassboost_context_t * context)277 int bassboost_get_strength(bassboost_context_t *context)
278 {
279     ALOGV("%s: ctxt %p, strength: %d", __func__,
280                       context,  context->strength);
281     return context->strength;
282 }
283 
bassboost_set_strength(bassboost_context_t * context,uint32_t strength)284 int bassboost_set_strength(bassboost_context_t *context, uint32_t strength)
285 {
286     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
287     ALOGV("%s: ctxt %p, strength: %d", __func__, context, strength);
288     context->strength = strength;
289 
290     offload_bassboost_set_strength(&(context->offload_bass), strength);
291     if (context->ctl)
292         offload_bassboost_send_params(bass_ctxt->ctl, bass_ctxt->offload_bass,
293                                       OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
294                                       OFFLOAD_SEND_BASSBOOST_STRENGTH);
295     return 0;
296 }
297 
bassboost_set_device(effect_context_t * context,uint32_t device)298 int bassboost_set_device(effect_context_t *context, uint32_t device)
299 {
300     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
301 
302     ALOGV("%s: ctxt %p, device 0x%x", __func__, bass_ctxt, device);
303     bass_ctxt->device = device;
304     if (device == AUDIO_DEVICE_OUT_WIRED_HEADSET ||
305         device == AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
306         device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP ||
307         device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES) {
308         if (bass_ctxt->temp_disabled) {
309             if (effect_is_active(&bass_ctxt->common)) {
310                 offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
311                 if (bass_ctxt->ctl)
312                     offload_bassboost_send_params(bass_ctxt->ctl,
313                                                   bass_ctxt->offload_bass,
314                                                   OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
315             }
316             bass_ctxt->temp_disabled = false;
317         }
318     } else {
319         if (!bass_ctxt->temp_disabled) {
320             if (effect_is_active(&bass_ctxt->common)) {
321                 offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), false);
322                 if (bass_ctxt->ctl)
323                     offload_bassboost_send_params(bass_ctxt->ctl,
324                                                   bass_ctxt->offload_bass,
325                                                   OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
326             }
327             bass_ctxt->temp_disabled = true;
328         }
329         ALOGI("%s: ctxt %p, disabled based on device", __func__, bass_ctxt);
330     }
331     offload_bassboost_set_device(&(bass_ctxt->offload_bass), device);
332     return 0;
333 }
334 
bassboost_reset(effect_context_t * context)335 int bassboost_reset(effect_context_t *context)
336 {
337     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
338 
339     return 0;
340 }
341 
bassboost_init(effect_context_t * context)342 int bassboost_init(effect_context_t *context)
343 {
344     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
345 
346     ALOGV("%s: ctxt %p", __func__, bass_ctxt);
347     context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
348     context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
349     context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
350     context->config.inputCfg.samplingRate = 44100;
351     context->config.inputCfg.bufferProvider.getBuffer = NULL;
352     context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
353     context->config.inputCfg.bufferProvider.cookie = NULL;
354     context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
355     context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
356     context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
357     context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
358     context->config.outputCfg.samplingRate = 44100;
359     context->config.outputCfg.bufferProvider.getBuffer = NULL;
360     context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
361     context->config.outputCfg.bufferProvider.cookie = NULL;
362     context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
363 
364     set_config(context, &context->config);
365 
366     bass_ctxt->temp_disabled = false;
367     memset(&(bass_ctxt->offload_bass), 0, sizeof(struct bass_boost_params));
368 
369     return 0;
370 }
371 
bassboost_enable(effect_context_t * context)372 int bassboost_enable(effect_context_t *context)
373 {
374     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
375 
376     ALOGV("%s: ctxt %p, strength %d", __func__, bass_ctxt, bass_ctxt->strength);
377 
378     if (!offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)) &&
379         !(bass_ctxt->temp_disabled)) {
380         offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
381         if (bass_ctxt->ctl && bass_ctxt->strength)
382             offload_bassboost_send_params(bass_ctxt->ctl,
383                                           bass_ctxt->offload_bass,
384                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
385                                           OFFLOAD_SEND_BASSBOOST_STRENGTH);
386     }
387     return 0;
388 }
389 
bassboost_disable(effect_context_t * context)390 int bassboost_disable(effect_context_t *context)
391 {
392     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
393 
394     ALOGV("%s: ctxt %p", __func__, bass_ctxt);
395     if (offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass))) {
396         offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), false);
397         if (bass_ctxt->ctl)
398             offload_bassboost_send_params(bass_ctxt->ctl,
399                                           bass_ctxt->offload_bass,
400                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
401     }
402     return 0;
403 }
404 
bassboost_start(effect_context_t * context,output_context_t * output)405 int bassboost_start(effect_context_t *context, output_context_t *output)
406 {
407     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
408 
409     ALOGV("%s: ctxt %p, ctl %p, strength %d", __func__, bass_ctxt,
410                                    output->ctl, bass_ctxt->strength);
411     bass_ctxt->ctl = output->ctl;
412     if (offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)))
413         if (bass_ctxt->ctl)
414             offload_bassboost_send_params(bass_ctxt->ctl, bass_ctxt->offload_bass,
415                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
416                                           OFFLOAD_SEND_BASSBOOST_STRENGTH);
417     return 0;
418 }
419 
bassboost_stop(effect_context_t * context,output_context_t * output __unused)420 int bassboost_stop(effect_context_t *context, output_context_t *output __unused)
421 {
422     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
423 
424     ALOGV("%s: ctxt %p", __func__, bass_ctxt);
425     bass_ctxt->ctl = NULL;
426     return 0;
427 }
428 
429 #undef LOG_TAG
430 #define LOG_TAG "offload_effect_pbe"
431 /*
432  * PBE operations
433  */
434 
pbe_set_device(effect_context_t * context,uint32_t device)435 int pbe_set_device(effect_context_t *context, uint32_t device)
436 {
437     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
438     char          propValue[PROPERTY_VALUE_MAX];
439     bool          pbe_enabled_by_prop = false;
440 
441     ALOGV("%s: device: %d", __func__, device);
442     pbe_ctxt->device = device;
443 
444     if (property_get("audio.safx.pbe.enabled", propValue, NULL)) {
445         pbe_enabled_by_prop = atoi(propValue) ||
446                               !strncmp("true", propValue, 4);
447     }
448 
449     if (device == AUDIO_DEVICE_OUT_SPEAKER && pbe_enabled_by_prop == true) {
450         if (pbe_ctxt->temp_disabled) {
451             if (effect_is_active(&pbe_ctxt->common)) {
452                 offload_pbe_set_enable_flag(&(pbe_ctxt->offload_pbe), true);
453                 if (pbe_ctxt->ctl)
454                     offload_pbe_send_params(pbe_ctxt->ctl,
455                                         &pbe_ctxt->offload_pbe,
456                                         OFFLOAD_SEND_PBE_ENABLE_FLAG |
457                                         OFFLOAD_SEND_PBE_CONFIG);
458             }
459             pbe_ctxt->temp_disabled = false;
460         }
461     } else {
462         if (!pbe_ctxt->temp_disabled) {
463             if (effect_is_active(&pbe_ctxt->common)) {
464                 offload_pbe_set_enable_flag(&(pbe_ctxt->offload_pbe), false);
465                 if (pbe_ctxt->ctl)
466                     offload_pbe_send_params(pbe_ctxt->ctl,
467                                         &pbe_ctxt->offload_pbe,
468                                         OFFLOAD_SEND_PBE_ENABLE_FLAG);
469             }
470             pbe_ctxt->temp_disabled = true;
471         }
472     }
473     offload_pbe_set_device(&(pbe_ctxt->offload_pbe), device);
474     return 0;
475 }
476 
pbe_reset(effect_context_t * context)477 int pbe_reset(effect_context_t *context)
478 {
479     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
480 
481     return 0;
482 }
483 
pbe_init(effect_context_t * context)484 int pbe_init(effect_context_t *context)
485 {
486     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
487 
488     ALOGV("%s", __func__);
489     context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
490     context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
491     context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
492     context->config.inputCfg.samplingRate = 44100;
493     context->config.inputCfg.bufferProvider.getBuffer = NULL;
494     context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
495     context->config.inputCfg.bufferProvider.cookie = NULL;
496     context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
497     context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
498     context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
499     context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
500     context->config.outputCfg.samplingRate = 44100;
501     context->config.outputCfg.bufferProvider.getBuffer = NULL;
502     context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
503     context->config.outputCfg.bufferProvider.cookie = NULL;
504     context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
505 
506     set_config(context, &context->config);
507 
508     pbe_ctxt->temp_disabled = false;
509     memset(&(pbe_ctxt->offload_pbe), 0, sizeof(struct pbe_params));
510     pbe_load_config(&(pbe_ctxt->offload_pbe));
511 
512     return 0;
513 }
514 
pbe_enable(effect_context_t * context)515 int pbe_enable(effect_context_t *context)
516 {
517     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
518 
519     ALOGV("%s", __func__);
520 
521     if (!offload_pbe_get_enable_flag(&(pbe_ctxt->offload_pbe)) &&
522         !(pbe_ctxt->temp_disabled)) {
523         offload_pbe_set_enable_flag(&(pbe_ctxt->offload_pbe), true);
524         if (pbe_ctxt->ctl)
525             offload_pbe_send_params(pbe_ctxt->ctl,
526                                     &pbe_ctxt->offload_pbe,
527                                     OFFLOAD_SEND_PBE_ENABLE_FLAG |
528                                     OFFLOAD_SEND_PBE_CONFIG);
529     }
530     return 0;
531 }
532 
pbe_disable(effect_context_t * context)533 int pbe_disable(effect_context_t *context)
534 {
535     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
536 
537     ALOGV("%s", __func__);
538     if (offload_pbe_get_enable_flag(&(pbe_ctxt->offload_pbe))) {
539         offload_pbe_set_enable_flag(&(pbe_ctxt->offload_pbe), false);
540         if (pbe_ctxt->ctl)
541             offload_pbe_send_params(pbe_ctxt->ctl,
542                                     &pbe_ctxt->offload_pbe,
543                                     OFFLOAD_SEND_PBE_ENABLE_FLAG);
544     }
545     return 0;
546 }
547 
pbe_start(effect_context_t * context,output_context_t * output)548 int pbe_start(effect_context_t *context, output_context_t *output)
549 {
550     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
551 
552     ALOGV("%s", __func__);
553     pbe_ctxt->ctl = output->ctl;
554     ALOGV("output->ctl: %p", output->ctl);
555     if (offload_pbe_get_enable_flag(&(pbe_ctxt->offload_pbe))) {
556         if (pbe_ctxt->ctl)
557             offload_pbe_send_params(pbe_ctxt->ctl, &pbe_ctxt->offload_pbe,
558                                     OFFLOAD_SEND_PBE_ENABLE_FLAG |
559                                     OFFLOAD_SEND_PBE_CONFIG);
560     }
561     return 0;
562 }
563 
pbe_stop(effect_context_t * context,output_context_t * output __unused)564 int pbe_stop(effect_context_t *context, output_context_t *output  __unused)
565 {
566     pbe_context_t *pbe_ctxt = (pbe_context_t *)context;
567 
568     ALOGV("%s", __func__);
569     pbe_ctxt->ctl = NULL;
570     return 0;
571 }
572 
pbe_load_config(struct pbe_params * params)573 static int pbe_load_config(struct pbe_params *params)
574 {
575     int                  ret = 0;
576     uint32_t             len = 0;
577     uint32_t             propValue = 0;
578     uint32_t             pbe_app_type = PBE_CONF_APP_ID;
579     char                 propValueStr[PROPERTY_VALUE_MAX];
580     void                 *acdb_handle = NULL;
581     acdb_get_audio_cal_t acdb_get_audio_cal = NULL;
582     acdb_audio_cal_cfg_t cal_cfg = {0};
583 
584     acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
585     if (acdb_handle == NULL) {
586         ALOGE("%s error opening library %s", __func__, LIB_ACDB_LOADER);
587         return -EFAULT;
588     }
589 
590     acdb_get_audio_cal = (acdb_get_audio_cal_t)dlsym(acdb_handle,
591                                   "acdb_loader_get_audio_cal_v2");
592     if (acdb_get_audio_cal == NULL) {
593         dlclose(acdb_handle);
594         ALOGE("%s error resolving acdb func symbols", __func__);
595         return -EFAULT;
596     }
597     if (property_get("audio.safx.pbe.app.type", propValueStr, "0")) {
598         propValue = atoll(propValueStr);
599         if (propValue != 0) {
600             pbe_app_type = propValue;
601         }
602     }
603     ALOGD("%s pbe_app_type = 0x%.8x", __func__, pbe_app_type);
604 
605     cal_cfg.persist              = 1;
606     cal_cfg.cal_type             = AUDIO_STREAM_CAL_TYPE;
607     cal_cfg.app_type             = pbe_app_type;
608     cal_cfg.module_id            = PBE_CONF_MODULE_ID;
609     cal_cfg.param_id             = PBE_CONF_PARAM_ID;
610 
611     len = sizeof(params->config);
612     ret = acdb_get_audio_cal((void *)&cal_cfg, (void*)&(params->config), &len);
613     ALOGD("%s ret = %d, len = %u", __func__, ret, len);
614     if (ret == 0)
615         params->cfg_len = len;
616 
617     dlclose(acdb_handle);
618     return ret;
619 }
620