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1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "offload_effect_reverb"
18 //#define LOG_NDEBUG 0
19 
20 #include <cutils/list.h>
21 #include <cutils/log.h>
22 #include <tinyalsa/asoundlib.h>
23 #include <sound/audio_effects.h>
24 #include <audio_effects/effect_environmentalreverb.h>
25 #include <audio_effects/effect_presetreverb.h>
26 
27 #include "effect_api.h"
28 #include "reverb.h"
29 
30 /* Offload auxiliary environmental reverb UUID: 79a18026-18fd-4185-8233-0002a5d5c51b */
31 const effect_descriptor_t aux_env_reverb_descriptor = {
32         { 0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, { 0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e } },
33         { 0x79a18026, 0x18fd, 0x4185, 0x8233, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } },
34         EFFECT_CONTROL_API_VERSION,
35         (EFFECT_FLAG_TYPE_AUXILIARY | EFFECT_FLAG_HW_ACC_TUNNEL | EFFECT_FLAG_VOLUME_CTRL),
36         0, /* TODO */
37         1,
38         "MSM offload Auxiliary Environmental Reverb",
39         "The Android Open Source Project",
40 };
41 
42 /* Offload insert environmental reverb UUID: eb64ea04-973b-43d2-8f5e-0002a5d5c51b */
43 const effect_descriptor_t ins_env_reverb_descriptor = {
44         {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}},
45         {0xeb64ea04, 0x973b, 0x43d2, 0x8f5e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
46         EFFECT_CONTROL_API_VERSION,
47         (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_HW_ACC_TUNNEL |
48                 EFFECT_FLAG_VOLUME_CTRL),
49         0, /* TODO */
50         1,
51         "MSM offload Insert Environmental Reverb",
52         "The Android Open Source Project",
53 };
54 
55 // Offload auxiliary preset reverb UUID: 6987be09-b142-4b41-9056-0002a5d5c51b */
56 const effect_descriptor_t aux_preset_reverb_descriptor = {
57         {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
58         {0x6987be09, 0xb142, 0x4b41, 0x9056, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
59         EFFECT_CONTROL_API_VERSION,
60         (EFFECT_FLAG_TYPE_AUXILIARY | EFFECT_FLAG_HW_ACC_TUNNEL | EFFECT_FLAG_VOLUME_CTRL),
61         0, /* TODO */
62         1,
63         "MSM offload Auxiliary Preset Reverb",
64         "The Android Open Source Project",
65 };
66 
67 // Offload insert preset reverb UUID: aa2bebf6-47cf-4613-9bca-0002a5d5c51b */
68 const effect_descriptor_t ins_preset_reverb_descriptor = {
69         {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
70         {0xaa2bebf6, 0x47cf, 0x4613, 0x9bca, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
71         EFFECT_CONTROL_API_VERSION,
72         (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_HW_ACC_TUNNEL |
73                 EFFECT_FLAG_VOLUME_CTRL),
74         0, /* TODO */
75         1,
76         "MSM offload Insert Preset Reverb",
77         "The Android Open Source Project",
78 };
79 
80 static const reverb_settings_t reverb_presets[] = {
81         // REVERB_PRESET_NONE: values are unused
82         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
83         // REVERB_PRESET_SMALLROOM
84         {-400, -600, 1100, 830, -400, 5, 500, 10, 1000, 1000},
85         // REVERB_PRESET_MEDIUMROOM
86         {-400, -600, 1300, 830, -1000, 20, -200, 20, 1000, 1000},
87         // REVERB_PRESET_LARGEROOM
88         {-400, -600, 1500, 830, -1600, 5, -1000, 40, 1000, 1000},
89         // REVERB_PRESET_MEDIUMHALL
90         {-400, -600, 1800, 700, -1300, 15, -800, 30, 1000, 1000},
91         // REVERB_PRESET_LARGEHALL
92         {-400, -600, 1800, 700, -2000, 30, -1400, 60, 1000, 1000},
93         // REVERB_PRESET_PLATE
94         {-400, -200, 1300, 900, 0, 2, 0, 10, 1000, 750},
95 };
96 
97 
reverb_auxiliary_init(reverb_context_t * context)98 void reverb_auxiliary_init(reverb_context_t *context)
99 {
100     context->auxiliary = true;
101     context->preset = false;
102 }
103 
reverb_insert_init(reverb_context_t * context)104 void reverb_insert_init(reverb_context_t *context)
105 {
106     context->auxiliary = false;
107     context->preset = true;
108     context->cur_preset = REVERB_PRESET_LAST + 1;
109     context->next_preset = REVERB_DEFAULT_PRESET;
110 }
111 
reverb_preset_init(reverb_context_t * context)112 void reverb_preset_init(reverb_context_t *context)
113 {
114     context->auxiliary = false;
115     context->preset = true;
116     context->cur_preset = REVERB_PRESET_LAST + 1;
117     context->next_preset = REVERB_DEFAULT_PRESET;
118 }
119 
120 /*
121  * Reverb operations
122  */
reverb_get_room_level(reverb_context_t * context)123 int16_t reverb_get_room_level(reverb_context_t *context)
124 {
125     ALOGV("%s: room level: %d", __func__, context->reverb_settings.roomLevel);
126     return context->reverb_settings.roomLevel;
127 }
128 
reverb_set_room_level(reverb_context_t * context,int16_t room_level)129 void reverb_set_room_level(reverb_context_t *context, int16_t room_level)
130 {
131     ALOGV("%s: room level: %d", __func__, room_level);
132     context->reverb_settings.roomLevel = room_level;
133     offload_reverb_set_room_level(&(context->offload_reverb), room_level);
134     if (context->ctl)
135         offload_reverb_send_params(context->ctl, &context->offload_reverb,
136                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
137                                    OFFLOAD_SEND_REVERB_ROOM_LEVEL);
138 }
139 
reverb_get_room_hf_level(reverb_context_t * context)140 int16_t reverb_get_room_hf_level(reverb_context_t *context)
141 {
142     ALOGV("%s: room hf level: %d", __func__,
143           context->reverb_settings.roomHFLevel);
144     return context->reverb_settings.roomHFLevel;
145 }
146 
reverb_set_room_hf_level(reverb_context_t * context,int16_t room_hf_level)147 void reverb_set_room_hf_level(reverb_context_t *context, int16_t room_hf_level)
148 {
149     ALOGV("%s: room hf level: %d", __func__, room_hf_level);
150     context->reverb_settings.roomHFLevel = room_hf_level;
151     offload_reverb_set_room_hf_level(&(context->offload_reverb), room_hf_level);
152     if (context->ctl)
153         offload_reverb_send_params(context->ctl, &context->offload_reverb,
154                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
155                                    OFFLOAD_SEND_REVERB_ROOM_HF_LEVEL);
156 }
157 
reverb_get_decay_time(reverb_context_t * context)158 uint32_t reverb_get_decay_time(reverb_context_t *context)
159 {
160     ALOGV("%s: decay time: %d", __func__, context->reverb_settings.decayTime);
161     return context->reverb_settings.decayTime;
162 }
163 
reverb_set_decay_time(reverb_context_t * context,uint32_t decay_time)164 void reverb_set_decay_time(reverb_context_t *context, uint32_t decay_time)
165 {
166     ALOGV("%s: decay_time: %d", __func__, decay_time);
167     context->reverb_settings.decayTime = decay_time;
168     offload_reverb_set_decay_time(&(context->offload_reverb), decay_time);
169     if (context->ctl)
170         offload_reverb_send_params(context->ctl, &context->offload_reverb,
171                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
172                                    OFFLOAD_SEND_REVERB_DECAY_TIME);
173 }
174 
reverb_get_decay_hf_ratio(reverb_context_t * context)175 int16_t reverb_get_decay_hf_ratio(reverb_context_t *context)
176 {
177     ALOGV("%s: decay hf ratio: %d", __func__,
178           context->reverb_settings.decayHFRatio);
179     return context->reverb_settings.decayHFRatio;
180 }
181 
reverb_set_decay_hf_ratio(reverb_context_t * context,int16_t decay_hf_ratio)182 void reverb_set_decay_hf_ratio(reverb_context_t *context, int16_t decay_hf_ratio)
183 {
184     ALOGV("%s: decay_hf_ratio: %d", __func__, decay_hf_ratio);
185     context->reverb_settings.decayHFRatio = decay_hf_ratio;
186     offload_reverb_set_decay_hf_ratio(&(context->offload_reverb), decay_hf_ratio);
187     if (context->ctl)
188         offload_reverb_send_params(context->ctl, &context->offload_reverb,
189                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
190                                    OFFLOAD_SEND_REVERB_DECAY_HF_RATIO);
191 }
192 
reverb_get_reverb_level(reverb_context_t * context)193 int16_t reverb_get_reverb_level(reverb_context_t *context)
194 {
195     ALOGV("%s: reverb level: %d", __func__, context->reverb_settings.reverbLevel);
196     return context->reverb_settings.reverbLevel;
197 }
198 
reverb_set_reverb_level(reverb_context_t * context,int16_t reverb_level)199 void reverb_set_reverb_level(reverb_context_t *context, int16_t reverb_level)
200 {
201     ALOGV("%s: reverb level: %d", __func__, reverb_level);
202     context->reverb_settings.reverbLevel = reverb_level;
203     offload_reverb_set_reverb_level(&(context->offload_reverb), reverb_level);
204     if (context->ctl)
205         offload_reverb_send_params(context->ctl, &context->offload_reverb,
206                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
207                                    OFFLOAD_SEND_REVERB_LEVEL);
208 }
209 
reverb_get_diffusion(reverb_context_t * context)210 int16_t reverb_get_diffusion(reverb_context_t *context)
211 {
212     ALOGV("%s: diffusion: %d", __func__, context->reverb_settings.diffusion);
213     return context->reverb_settings.diffusion;
214 }
215 
reverb_set_diffusion(reverb_context_t * context,int16_t diffusion)216 void reverb_set_diffusion(reverb_context_t *context, int16_t diffusion)
217 {
218     ALOGV("%s: diffusion: %d", __func__, diffusion);
219     context->reverb_settings.diffusion = diffusion;
220     offload_reverb_set_diffusion(&(context->offload_reverb), diffusion);
221     if (context->ctl)
222         offload_reverb_send_params(context->ctl, &context->offload_reverb,
223                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
224                                    OFFLOAD_SEND_REVERB_DIFFUSION);
225 }
226 
reverb_get_density(reverb_context_t * context)227 int16_t reverb_get_density(reverb_context_t *context)
228 {
229     ALOGV("%s: density: %d", __func__, context->reverb_settings.density);
230     return context->reverb_settings.density;
231 }
232 
reverb_set_density(reverb_context_t * context,int16_t density)233 void reverb_set_density(reverb_context_t *context, int16_t density)
234 {
235     ALOGV("%s: density: %d", __func__, density);
236     context->reverb_settings.density = density;
237     offload_reverb_set_density(&(context->offload_reverb), density);
238     if (context->ctl)
239         offload_reverb_send_params(context->ctl, &context->offload_reverb,
240                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
241                                    OFFLOAD_SEND_REVERB_DENSITY);
242 }
243 
reverb_set_preset(reverb_context_t * context,int16_t preset)244 void reverb_set_preset(reverb_context_t *context, int16_t preset)
245 {
246     bool enable;
247     ALOGV("%s: preset: %d", __func__, preset);
248     context->next_preset = preset;
249     offload_reverb_set_preset(&(context->offload_reverb), preset);
250 
251     enable = (preset == REVERB_PRESET_NONE) ? false: true;
252     offload_reverb_set_enable_flag(&(context->offload_reverb), enable);
253 
254     if (context->ctl)
255         offload_reverb_send_params(context->ctl, &context->offload_reverb,
256                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
257                                    OFFLOAD_SEND_REVERB_PRESET);
258 }
259 
reverb_set_all_properties(reverb_context_t * context,reverb_settings_t * reverb_settings)260 void reverb_set_all_properties(reverb_context_t *context,
261                                reverb_settings_t *reverb_settings)
262 {
263     ALOGV("%s", __func__);
264     context->reverb_settings.roomLevel = reverb_settings->roomLevel;
265     context->reverb_settings.roomHFLevel = reverb_settings->roomHFLevel;
266     context->reverb_settings.decayTime = reverb_settings->decayTime;
267     context->reverb_settings.decayHFRatio = reverb_settings->decayHFRatio;
268     context->reverb_settings.reverbLevel = reverb_settings->reverbLevel;
269     context->reverb_settings.diffusion = reverb_settings->diffusion;
270     context->reverb_settings.density = reverb_settings->density;
271     if (context->ctl)
272         offload_reverb_send_params(context->ctl, &context->offload_reverb,
273                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
274                                    OFFLOAD_SEND_REVERB_ROOM_LEVEL |
275                                    OFFLOAD_SEND_REVERB_ROOM_HF_LEVEL |
276                                    OFFLOAD_SEND_REVERB_DECAY_TIME |
277                                    OFFLOAD_SEND_REVERB_DECAY_HF_RATIO |
278                                    OFFLOAD_SEND_REVERB_LEVEL |
279                                    OFFLOAD_SEND_REVERB_DIFFUSION |
280                                    OFFLOAD_SEND_REVERB_DENSITY);
281 }
282 
reverb_load_preset(reverb_context_t * context)283 void reverb_load_preset(reverb_context_t *context)
284 {
285     context->cur_preset = context->next_preset;
286 
287     if (context->cur_preset != REVERB_PRESET_NONE) {
288         const reverb_settings_t *preset = &reverb_presets[context->cur_preset];
289         reverb_set_room_level(context, preset->roomLevel);
290         reverb_set_room_hf_level(context, preset->roomHFLevel);
291         reverb_set_decay_time(context, preset->decayTime);
292         reverb_set_decay_hf_ratio(context, preset->decayHFRatio);
293         reverb_set_reverb_level(context, preset->reverbLevel);
294         reverb_set_diffusion(context, preset->diffusion);
295         reverb_set_density(context, preset->density);
296     }
297 }
298 
reverb_get_parameter(effect_context_t * context,effect_param_t * p,uint32_t * size)299 int reverb_get_parameter(effect_context_t *context, effect_param_t *p,
300                          uint32_t *size)
301 {
302     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
303     int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
304     int32_t *param_tmp = (int32_t *)p->data;
305     int32_t param = *param_tmp++;
306     void *value = p->data + voffset;
307     reverb_settings_t *reverb_settings;
308     int i;
309 
310     ALOGV("%s", __func__);
311 
312     p->status = 0;
313 
314     if (reverb_ctxt->preset) {
315         if (param != REVERB_PARAM_PRESET || p->vsize < sizeof(uint16_t))
316             return -EINVAL;
317         *(uint16_t *)value = reverb_ctxt->next_preset;
318         ALOGV("get REVERB_PARAM_PRESET, preset %d", reverb_ctxt->next_preset);
319         return 0;
320     }
321     switch (param) {
322     case REVERB_PARAM_ROOM_LEVEL:
323         if (p->vsize < sizeof(uint16_t))
324            p->status = -EINVAL;
325         p->vsize = sizeof(uint16_t);
326         break;
327     case REVERB_PARAM_ROOM_HF_LEVEL:
328         if (p->vsize < sizeof(uint16_t))
329            p->status = -EINVAL;
330         p->vsize = sizeof(uint16_t);
331         break;
332     case REVERB_PARAM_DECAY_TIME:
333         if (p->vsize < sizeof(uint32_t))
334            p->status = -EINVAL;
335         p->vsize = sizeof(uint32_t);
336         break;
337     case REVERB_PARAM_DECAY_HF_RATIO:
338         if (p->vsize < sizeof(uint16_t))
339            p->status = -EINVAL;
340         p->vsize = sizeof(uint16_t);
341         break;
342     case REVERB_PARAM_REFLECTIONS_LEVEL:
343         if (p->vsize < sizeof(uint16_t))
344            p->status = -EINVAL;
345         p->vsize = sizeof(uint16_t);
346         break;
347     case REVERB_PARAM_REFLECTIONS_DELAY:
348         if (p->vsize < sizeof(uint32_t))
349            p->status = -EINVAL;
350         p->vsize = sizeof(uint32_t);
351         break;
352     case REVERB_PARAM_REVERB_LEVEL:
353         if (p->vsize < sizeof(uint16_t))
354            p->status = -EINVAL;
355         p->vsize = sizeof(uint16_t);
356         break;
357     case REVERB_PARAM_REVERB_DELAY:
358         if (p->vsize < sizeof(uint32_t))
359            p->status = -EINVAL;
360         p->vsize = sizeof(uint32_t);
361         break;
362     case REVERB_PARAM_DIFFUSION:
363         if (p->vsize < sizeof(uint16_t))
364            p->status = -EINVAL;
365         p->vsize = sizeof(uint16_t);
366         break;
367     case REVERB_PARAM_DENSITY:
368         if (p->vsize < sizeof(uint16_t))
369            p->status = -EINVAL;
370         p->vsize = sizeof(uint16_t);
371         break;
372     case REVERB_PARAM_PROPERTIES:
373         if (p->vsize < sizeof(reverb_settings_t))
374            p->status = -EINVAL;
375         p->vsize = sizeof(reverb_settings_t);
376         break;
377     default:
378         p->status = -EINVAL;
379     }
380 
381     *size = sizeof(effect_param_t) + voffset + p->vsize;
382 
383     if (p->status != 0)
384         return 0;
385 
386     switch (param) {
387     case REVERB_PARAM_PROPERTIES:
388 	ALOGV("%s: REVERB_PARAM_PROPERTIES", __func__);
389         reverb_settings = (reverb_settings_t *)value;
390         reverb_settings->roomLevel = reverb_get_room_level(reverb_ctxt);
391         reverb_settings->roomHFLevel = reverb_get_room_hf_level(reverb_ctxt);
392         reverb_settings->decayTime = reverb_get_decay_time(reverb_ctxt);
393         reverb_settings->decayHFRatio = reverb_get_decay_hf_ratio(reverb_ctxt);
394         reverb_settings->reflectionsLevel = 0;
395         reverb_settings->reflectionsDelay = 0;
396         reverb_settings->reverbDelay = 0;
397         reverb_settings->reverbLevel = reverb_get_reverb_level(reverb_ctxt);
398         reverb_settings->diffusion = reverb_get_diffusion(reverb_ctxt);
399         reverb_settings->density = reverb_get_density(reverb_ctxt);
400         break;
401     case REVERB_PARAM_ROOM_LEVEL:
402 	ALOGV("%s: REVERB_PARAM_ROOM_LEVEL", __func__);
403         *(int16_t *)value = reverb_get_room_level(reverb_ctxt);
404         break;
405     case REVERB_PARAM_ROOM_HF_LEVEL:
406 	ALOGV("%s: REVERB_PARAM_ROOM_HF_LEVEL", __func__);
407         *(int16_t *)value = reverb_get_room_hf_level(reverb_ctxt);
408         break;
409     case REVERB_PARAM_DECAY_TIME:
410 	ALOGV("%s: REVERB_PARAM_DECAY_TIME", __func__);
411         *(uint32_t *)value = reverb_get_decay_time(reverb_ctxt);
412         break;
413     case REVERB_PARAM_DECAY_HF_RATIO:
414 	ALOGV("%s: REVERB_PARAM_DECAY_HF_RATIO", __func__);
415         *(int16_t *)value = reverb_get_decay_hf_ratio(reverb_ctxt);
416         break;
417     case REVERB_PARAM_REVERB_LEVEL:
418 	ALOGV("%s: REVERB_PARAM_REVERB_LEVEL", __func__);
419         *(int16_t *)value = reverb_get_reverb_level(reverb_ctxt);
420         break;
421     case REVERB_PARAM_DIFFUSION:
422 	ALOGV("%s: REVERB_PARAM_DIFFUSION", __func__);
423         *(int16_t *)value = reverb_get_diffusion(reverb_ctxt);
424         break;
425     case REVERB_PARAM_DENSITY:
426 	ALOGV("%s: REVERB_PARAM_DENSITY", __func__);
427         *(int16_t *)value = reverb_get_density(reverb_ctxt);
428         break;
429     case REVERB_PARAM_REFLECTIONS_LEVEL:
430 	ALOGV("%s: REVERB_PARAM_REFLECTIONS_LEVEL", __func__);
431         *(uint16_t *)value = 0;
432         break;
433     case REVERB_PARAM_REFLECTIONS_DELAY:
434 	ALOGV("%s: REVERB_PARAM_REFLECTIONS_DELAY", __func__);
435         *(uint32_t *)value = 0;
436         break;
437     case REVERB_PARAM_REVERB_DELAY:
438 	ALOGV("%s: REVERB_PARAM_REVERB_DELAY", __func__);
439         *(uint32_t *)value = 0;
440         break;
441     default:
442         p->status = -EINVAL;
443         break;
444     }
445 
446     return 0;
447 }
448 
reverb_set_parameter(effect_context_t * context,effect_param_t * p,uint32_t size __unused)449 int reverb_set_parameter(effect_context_t *context, effect_param_t *p,
450                          uint32_t size __unused)
451 {
452     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
453     int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
454     void *value = p->data + voffset;
455     int32_t *param_tmp = (int32_t *)p->data;
456     int32_t param = *param_tmp++;
457     reverb_settings_t *reverb_settings;
458     int16_t level;
459     int16_t ratio;
460     uint32_t time;
461 
462     ALOGV("%s", __func__);
463 
464     p->status = 0;
465 
466     if (reverb_ctxt->preset) {
467         if (param != REVERB_PARAM_PRESET)
468             return -EINVAL;
469         uint16_t preset = *(uint16_t *)value;
470         ALOGV("set REVERB_PARAM_PRESET, preset %d", preset);
471         if (preset > REVERB_PRESET_LAST) {
472             return -EINVAL;
473         }
474         reverb_set_preset(reverb_ctxt, preset);
475         return 0;
476     }
477     switch (param) {
478     case REVERB_PARAM_PROPERTIES:
479 	ALOGV("%s: REVERB_PARAM_PROPERTIES", __func__);
480         reverb_settings = (reverb_settings_t *)value;
481         break;
482     case REVERB_PARAM_ROOM_LEVEL:
483 	ALOGV("%s: REVERB_PARAM_ROOM_LEVEL", __func__);
484         level = *(int16_t *)value;
485         reverb_set_room_level(reverb_ctxt, level);
486         break;
487     case REVERB_PARAM_ROOM_HF_LEVEL:
488 	ALOGV("%s: REVERB_PARAM_ROOM_HF_LEVEL", __func__);
489         level = *(int16_t *)value;
490         reverb_set_room_hf_level(reverb_ctxt, level);
491         break;
492     case REVERB_PARAM_DECAY_TIME:
493 	ALOGV("%s: REVERB_PARAM_DECAY_TIME", __func__);
494         time = *(uint32_t *)value;
495         reverb_set_decay_time(reverb_ctxt, time);
496         break;
497     case REVERB_PARAM_DECAY_HF_RATIO:
498 	ALOGV("%s: REVERB_PARAM_DECAY_HF_RATIO", __func__);
499         ratio = *(int16_t *)value;
500         reverb_set_decay_hf_ratio(reverb_ctxt, ratio);
501         break;
502     case REVERB_PARAM_REVERB_LEVEL:
503 	ALOGV("%s: REVERB_PARAM_REVERB_LEVEL", __func__);
504         level = *(int16_t *)value;
505         reverb_set_reverb_level(reverb_ctxt, level);
506         break;
507     case REVERB_PARAM_DIFFUSION:
508 	ALOGV("%s: REVERB_PARAM_DIFFUSION", __func__);
509         ratio = *(int16_t *)value;
510         reverb_set_diffusion(reverb_ctxt, ratio);
511         break;
512     case REVERB_PARAM_DENSITY:
513 	ALOGV("%s: REVERB_PARAM_DENSITY", __func__);
514         ratio = *(int16_t *)value;
515         reverb_set_density(reverb_ctxt, ratio);
516         break;
517     case REVERB_PARAM_REFLECTIONS_LEVEL:
518     case REVERB_PARAM_REFLECTIONS_DELAY:
519     case REVERB_PARAM_REVERB_DELAY:
520         break;
521     default:
522         p->status = -EINVAL;
523         break;
524     }
525 
526     return 0;
527 }
528 
reverb_set_device(effect_context_t * context,uint32_t device)529 int reverb_set_device(effect_context_t *context, uint32_t device)
530 {
531     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
532 
533     ALOGV("%s: device: %d", __func__, device);
534     reverb_ctxt->device = device;
535     offload_reverb_set_device(&(reverb_ctxt->offload_reverb), device);
536     return 0;
537 }
538 
reverb_reset(effect_context_t * context)539 int reverb_reset(effect_context_t *context)
540 {
541     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
542 
543     return 0;
544 }
545 
reverb_init(effect_context_t * context)546 int reverb_init(effect_context_t *context)
547 {
548     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
549 
550     context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
551     /*
552        FIXME: channel mode is mono for auxiliary. is it needed for offload ?
553               If so, this set config needs to be updated accordingly
554     */
555     context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
556     context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
557     context->config.inputCfg.samplingRate = 44100;
558     context->config.inputCfg.bufferProvider.getBuffer = NULL;
559     context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
560     context->config.inputCfg.bufferProvider.cookie = NULL;
561     context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
562     context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
563     context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
564     context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
565     context->config.outputCfg.samplingRate = 44100;
566     context->config.outputCfg.bufferProvider.getBuffer = NULL;
567     context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
568     context->config.outputCfg.bufferProvider.cookie = NULL;
569     context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
570 
571     set_config(context, &context->config);
572 
573     memset(&(reverb_ctxt->reverb_settings), 0, sizeof(reverb_settings_t));
574     memset(&(reverb_ctxt->offload_reverb), 0, sizeof(struct reverb_params));
575 
576     if (reverb_ctxt->preset &&
577         reverb_ctxt->next_preset != reverb_ctxt->cur_preset)
578         reverb_load_preset(reverb_ctxt);
579 
580     return 0;
581 }
582 
reverb_enable(effect_context_t * context)583 int reverb_enable(effect_context_t *context)
584 {
585     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
586 
587     ALOGV("%s", __func__);
588 
589     if (!offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb)))
590         offload_reverb_set_enable_flag(&(reverb_ctxt->offload_reverb), true);
591     return 0;
592 }
593 
reverb_disable(effect_context_t * context)594 int reverb_disable(effect_context_t *context)
595 {
596     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
597 
598     ALOGV("%s", __func__);
599     if (offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb))) {
600         offload_reverb_set_enable_flag(&(reverb_ctxt->offload_reverb), false);
601         if (reverb_ctxt->ctl)
602             offload_reverb_send_params(reverb_ctxt->ctl,
603                                        &reverb_ctxt->offload_reverb,
604                                        OFFLOAD_SEND_REVERB_ENABLE_FLAG);
605     }
606     return 0;
607 }
608 
reverb_start(effect_context_t * context,output_context_t * output)609 int reverb_start(effect_context_t *context, output_context_t *output)
610 {
611     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
612 
613     ALOGV("%s", __func__);
614     reverb_ctxt->ctl = output->ctl;
615     if (offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb))) {
616         if (reverb_ctxt->ctl && reverb_ctxt->preset) {
617             offload_reverb_send_params(reverb_ctxt->ctl, &reverb_ctxt->offload_reverb,
618                                        OFFLOAD_SEND_REVERB_ENABLE_FLAG |
619                                        OFFLOAD_SEND_REVERB_PRESET);
620         }
621     }
622 
623     return 0;
624 }
625 
reverb_stop(effect_context_t * context,output_context_t * output __unused)626 int reverb_stop(effect_context_t *context, output_context_t *output __unused)
627 {
628     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
629 
630     ALOGV("%s", __func__);
631     reverb_ctxt->ctl = NULL;
632     return 0;
633 }
634 
635