[android/platform-hardware-interfaces.git] / audio / effect / all-versions / default / include / effect / all-versions / default / EffectsFactory.impl.h
1 /*
2 * Copyright (C) 2016 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 */
17 #include <common/all-versions/IncludeGuard.h>
19 #include <android/log.h>
20 #include <media/EffectsFactoryApi.h>
21 #include <system/audio_effects/effect_aec.h>
22 #include <system/audio_effects/effect_agc.h>
23 #include <system/audio_effects/effect_bassboost.h>
24 #include <system/audio_effects/effect_downmix.h>
25 #include <system/audio_effects/effect_environmentalreverb.h>
26 #include <system/audio_effects/effect_equalizer.h>
27 #include <system/audio_effects/effect_loudnessenhancer.h>
28 #include <system/audio_effects/effect_ns.h>
29 #include <system/audio_effects/effect_presetreverb.h>
30 #include <system/audio_effects/effect_virtualizer.h>
31 #include <system/audio_effects/effect_visualizer.h>
33 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::HidlUtils;
35 namespace android {
36 namespace hardware {
37 namespace audio {
38 namespace effect {
39 namespace AUDIO_HAL_VERSION {
40 namespace implementation {
42 // static
43 sp<IEffect> EffectsFactory::dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor,
44 effect_handle_t handle) {
45 const effect_uuid_t* halUuid = &halDescriptor.type;
46 if (memcmp(halUuid, FX_IID_AEC, sizeof(effect_uuid_t)) == 0) {
47 return new AcousticEchoCancelerEffect(handle);
48 } else if (memcmp(halUuid, FX_IID_AGC, sizeof(effect_uuid_t)) == 0) {
49 return new AutomaticGainControlEffect(handle);
50 } else if (memcmp(halUuid, SL_IID_BASSBOOST, sizeof(effect_uuid_t)) == 0) {
51 return new BassBoostEffect(handle);
52 } else if (memcmp(halUuid, EFFECT_UIID_DOWNMIX, sizeof(effect_uuid_t)) == 0) {
53 return new DownmixEffect(handle);
54 } else if (memcmp(halUuid, SL_IID_ENVIRONMENTALREVERB, sizeof(effect_uuid_t)) == 0) {
55 return new EnvironmentalReverbEffect(handle);
56 } else if (memcmp(halUuid, SL_IID_EQUALIZER, sizeof(effect_uuid_t)) == 0) {
57 return new EqualizerEffect(handle);
58 } else if (memcmp(halUuid, FX_IID_LOUDNESS_ENHANCER, sizeof(effect_uuid_t)) == 0) {
59 return new LoudnessEnhancerEffect(handle);
60 } else if (memcmp(halUuid, FX_IID_NS, sizeof(effect_uuid_t)) == 0) {
61 return new NoiseSuppressionEffect(handle);
62 } else if (memcmp(halUuid, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) {
63 return new PresetReverbEffect(handle);
64 } else if (memcmp(halUuid, SL_IID_VIRTUALIZER, sizeof(effect_uuid_t)) == 0) {
65 return new VirtualizerEffect(handle);
66 } else if (memcmp(halUuid, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0) {
67 return new VisualizerEffect(handle);
68 }
69 return new Effect(handle);
70 }
72 // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectsFactory follow.
73 Return<void> EffectsFactory::getAllDescriptors(getAllDescriptors_cb _hidl_cb) {
74 Result retval(Result::OK);
75 hidl_vec<EffectDescriptor> result;
76 uint32_t numEffects;
77 status_t status;
79 restart:
80 numEffects = 0;
81 status = EffectQueryNumberEffects(&numEffects);
82 if (status != OK) {
83 retval = Result::NOT_INITIALIZED;
84 ALOGE("Error querying number of effects: %s", strerror(-status));
85 goto exit;
86 }
87 result.resize(numEffects);
88 for (uint32_t i = 0; i < numEffects; ++i) {
89 effect_descriptor_t halDescriptor;
90 status = EffectQueryEffect(i, &halDescriptor);
91 if (status == OK) {
92 effectDescriptorFromHal(halDescriptor, &result[i]);
93 } else {
94 ALOGE("Error querying effect at position %d / %d: %s", i, numEffects,
95 strerror(-status));
96 switch (status) {
97 case -ENOSYS: {
98 // Effect list has changed.
99 goto restart;
100 }
101 case -ENOENT: {
102 // No more effects available.
103 result.resize(i);
104 }
105 default: {
106 result.resize(0);
107 retval = Result::NOT_INITIALIZED;
108 }
109 }
110 break;
111 }
112 }
114 exit:
115 _hidl_cb(retval, result);
116 return Void();
117 }
119 Return<void> EffectsFactory::getDescriptor(const Uuid& uid, getDescriptor_cb _hidl_cb) {
120 effect_uuid_t halUuid;
121 HidlUtils::uuidToHal(uid, &halUuid);
122 effect_descriptor_t halDescriptor;
123 status_t status = EffectGetDescriptor(&halUuid, &halDescriptor);
124 EffectDescriptor descriptor;
125 effectDescriptorFromHal(halDescriptor, &descriptor);
126 Result retval(Result::OK);
127 if (status != OK) {
128 ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(),
129 strerror(-status));
130 if (status == -ENOENT) {
131 retval = Result::INVALID_ARGUMENTS;
132 } else {
133 retval = Result::NOT_INITIALIZED;
134 }
135 }
136 _hidl_cb(retval, descriptor);
137 return Void();
138 }
140 Return<void> EffectsFactory::createEffect(const Uuid& uid, int32_t session, int32_t ioHandle,
141 createEffect_cb _hidl_cb) {
142 effect_uuid_t halUuid;
143 HidlUtils::uuidToHal(uid, &halUuid);
144 effect_handle_t handle;
145 Result retval(Result::OK);
146 status_t status = EffectCreate(&halUuid, session, ioHandle, &handle);
147 sp<IEffect> effect;
148 uint64_t effectId = EffectMap::INVALID_ID;
149 if (status == OK) {
150 effect_descriptor_t halDescriptor;
151 memset(&halDescriptor, 0, sizeof(effect_descriptor_t));
152 status = (*handle)->get_descriptor(handle, &halDescriptor);
153 if (status == OK) {
154 effect = dispatchEffectInstanceCreation(halDescriptor, handle);
155 effectId = EffectMap::getInstance().add(handle);
156 } else {
157 ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(),
158 strerror(-status));
159 EffectRelease(handle);
160 }
161 }
162 if (status != OK) {
163 ALOGE("Error creating effect %s: %s", uuidToString(halUuid).c_str(), strerror(-status));
164 if (status == -ENOENT) {
165 retval = Result::INVALID_ARGUMENTS;
166 } else {
167 retval = Result::NOT_INITIALIZED;
168 }
169 }
170 _hidl_cb(retval, effect, effectId);
171 return Void();
172 }
174 Return<void> EffectsFactory::debugDump(const hidl_handle& fd) {
175 return debug(fd, {} /* options */);
176 }
178 Return<void> EffectsFactory::debug(const hidl_handle& fd,
179 const hidl_vec<hidl_string>& /* options */) {
180 if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
181 EffectDumpEffects(fd->data[0]);
182 }
183 return Void();
184 }
186 IEffectsFactory* HIDL_FETCH_IEffectsFactory(const char* /* name */) {
187 return new EffectsFactory();
188 }
190 } // namespace implementation
191 } // namespace AUDIO_HAL_VERSION
192 } // namespace effect
193 } // namespace audio
194 } // namespace hardware
195 } // namespace android