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