1 /* 2 * Copyright (C) 2018 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 "EffectFactoryHAL" 18 #include "EffectsFactory.h" 19 #include "AcousticEchoCancelerEffect.h" 20 #include "AutomaticGainControlEffect.h" 21 #include "BassBoostEffect.h" 22 #include "Conversions.h" 23 #include "DownmixEffect.h" 24 #include "Effect.h" 25 #include "EnvironmentalReverbEffect.h" 26 #include "EqualizerEffect.h" 27 #include "HidlUtils.h" 28 #include "LoudnessEnhancerEffect.h" 29 #include "NoiseSuppressionEffect.h" 30 #include "PresetReverbEffect.h" 31 #include "VirtualizerEffect.h" 32 #include "VisualizerEffect.h" 33 #include "common/all-versions/default/EffectMap.h" 34 35 #include <android/log.h> 36 #include <media/EffectsFactoryApi.h> 37 #include <system/audio_effects/effect_aec.h> 38 #include <system/audio_effects/effect_agc.h> 39 #include <system/audio_effects/effect_bassboost.h> 40 #include <system/audio_effects/effect_downmix.h> 41 #include <system/audio_effects/effect_environmentalreverb.h> 42 #include <system/audio_effects/effect_equalizer.h> 43 #include <system/audio_effects/effect_loudnessenhancer.h> 44 #include <system/audio_effects/effect_ns.h> 45 #include <system/audio_effects/effect_presetreverb.h> 46 #include <system/audio_effects/effect_virtualizer.h> 47 #include <system/audio_effects/effect_visualizer.h> 48 49 namespace android { 50 namespace hardware { 51 namespace audio { 52 namespace effect { 53 namespace CPP_VERSION { 54 namespace implementation { 55 56 using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils; 57 58 // static 59 sp<IEffect> EffectsFactory::dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor, 60 effect_handle_t handle) { 61 const effect_uuid_t* halUuid = &halDescriptor.type; 62 if (memcmp(halUuid, FX_IID_AEC, sizeof(effect_uuid_t)) == 0) { 63 return new AcousticEchoCancelerEffect(handle); 64 } else if (memcmp(halUuid, FX_IID_AGC, sizeof(effect_uuid_t)) == 0) { 65 return new AutomaticGainControlEffect(handle); 66 } else if (memcmp(halUuid, SL_IID_BASSBOOST, sizeof(effect_uuid_t)) == 0) { 67 return new BassBoostEffect(handle); 68 } else if (memcmp(halUuid, EFFECT_UIID_DOWNMIX, sizeof(effect_uuid_t)) == 0) { 69 return new DownmixEffect(handle); 70 } else if (memcmp(halUuid, SL_IID_ENVIRONMENTALREVERB, sizeof(effect_uuid_t)) == 0) { 71 return new EnvironmentalReverbEffect(handle); 72 } else if (memcmp(halUuid, SL_IID_EQUALIZER, sizeof(effect_uuid_t)) == 0) { 73 return new EqualizerEffect(handle); 74 } else if (memcmp(halUuid, FX_IID_LOUDNESS_ENHANCER, sizeof(effect_uuid_t)) == 0) { 75 return new LoudnessEnhancerEffect(handle); 76 } else if (memcmp(halUuid, FX_IID_NS, sizeof(effect_uuid_t)) == 0) { 77 return new NoiseSuppressionEffect(handle); 78 } else if (memcmp(halUuid, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) { 79 return new PresetReverbEffect(handle); 80 } else if (memcmp(halUuid, SL_IID_VIRTUALIZER, sizeof(effect_uuid_t)) == 0) { 81 return new VirtualizerEffect(handle); 82 } else if (memcmp(halUuid, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0) { 83 return new VisualizerEffect(handle); 84 } 85 return new Effect(handle); 86 } 87 88 // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffectsFactory follow. 89 Return<void> EffectsFactory::getAllDescriptors(getAllDescriptors_cb _hidl_cb) { 90 Result retval(Result::OK); 91 hidl_vec<EffectDescriptor> result; 92 uint32_t numEffects; 93 status_t status; 94 95 restart: 96 numEffects = 0; 97 status = EffectQueryNumberEffects(&numEffects); 98 if (status != OK) { 99 retval = Result::NOT_INITIALIZED; 100 ALOGE("Error querying number of effects: %s", strerror(-status)); 101 goto exit; 102 } 103 result.resize(numEffects); 104 for (uint32_t i = 0; i < numEffects; ++i) { 105 effect_descriptor_t halDescriptor; 106 status = EffectQueryEffect(i, &halDescriptor); 107 if (status == OK) { 108 effectDescriptorFromHal(halDescriptor, &result[i]); 109 } else { 110 ALOGE("Error querying effect at position %d / %d: %s", i, numEffects, 111 strerror(-status)); 112 switch (status) { 113 case -ENOSYS: { 114 // Effect list has changed. 115 goto restart; 116 } 117 case -ENOENT: { 118 // No more effects available. 119 result.resize(i); 120 break; 121 } 122 default: { 123 result.resize(0); 124 retval = Result::NOT_INITIALIZED; 125 } 126 } 127 break; 128 } 129 } 130 131 exit: 132 _hidl_cb(retval, result); 133 return Void(); 134 } 135 136 Return<void> EffectsFactory::getDescriptor(const Uuid& uid, getDescriptor_cb _hidl_cb) { 137 effect_uuid_t halUuid; 138 HidlUtils::uuidToHal(uid, &halUuid); 139 effect_descriptor_t halDescriptor; 140 status_t status = EffectGetDescriptor(&halUuid, &halDescriptor); 141 EffectDescriptor descriptor; 142 effectDescriptorFromHal(halDescriptor, &descriptor); 143 Result retval(Result::OK); 144 if (status != OK) { 145 ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(), 146 strerror(-status)); 147 if (status == -ENOENT) { 148 retval = Result::INVALID_ARGUMENTS; 149 } else { 150 retval = Result::NOT_INITIALIZED; 151 } 152 } 153 _hidl_cb(retval, descriptor); 154 return Void(); 155 } 156 157 Return<void> EffectsFactory::createEffect(const Uuid& uid, int32_t session, int32_t ioHandle, 158 createEffect_cb _hidl_cb) { 159 effect_uuid_t halUuid; 160 HidlUtils::uuidToHal(uid, &halUuid); 161 effect_handle_t handle; 162 Result retval(Result::OK); 163 status_t status = EffectCreate(&halUuid, session, ioHandle, &handle); 164 sp<IEffect> effect; 165 uint64_t effectId = EffectMap::INVALID_ID; 166 if (status == OK) { 167 effect_descriptor_t halDescriptor; 168 memset(&halDescriptor, 0, sizeof(effect_descriptor_t)); 169 status = (*handle)->get_descriptor(handle, &halDescriptor); 170 if (status == OK) { 171 effect = dispatchEffectInstanceCreation(halDescriptor, handle); 172 effectId = EffectMap::getInstance().add(handle); 173 } else { 174 ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(), 175 strerror(-status)); 176 EffectRelease(handle); 177 } 178 } 179 if (status != OK) { 180 ALOGE("Error creating effect %s: %s", uuidToString(halUuid).c_str(), strerror(-status)); 181 if (status == -ENOENT) { 182 retval = Result::INVALID_ARGUMENTS; 183 } else { 184 retval = Result::NOT_INITIALIZED; 185 } 186 } 187 _hidl_cb(retval, effect, effectId); 188 return Void(); 189 } 190 191 Return<void> EffectsFactory::debugDump(const hidl_handle& fd) { 192 return debug(fd, {} /* options */); 193 } 194 195 Return<void> EffectsFactory::debug(const hidl_handle& fd, 196 const hidl_vec<hidl_string>& /* options */) { 197 if (fd.getNativeHandle() != nullptr && fd->numFds == 1) { 198 EffectDumpEffects(fd->data[0]); 199 } 200 return Void(); 201 } 202 203 IEffectsFactory* HIDL_FETCH_IEffectsFactory(const char* name) { 204 return strcmp(name, "default") == 0 ? new EffectsFactory() : nullptr; 205 } 206 207 } // namespace implementation 208 } // namespace CPP_VERSION 209 } // namespace effect 210 } // namespace audio 211 } // namespace hardware 212 } // namespace android 213