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 */ 16 17#include <memory.h> 18 19#define LOG_TAG "Equalizer_HAL" 20#include <android/log.h> 21 22#include "EqualizerEffect.h" 23 24namespace android { 25namespace hardware { 26namespace audio { 27namespace effect { 28namespace V2_0 { 29namespace implementation { 30 31EqualizerEffect::EqualizerEffect(effect_handle_t handle) 32 : mEffect(new Effect(handle)) { 33} 34 35EqualizerEffect::~EqualizerEffect() {} 36 37void EqualizerEffect::propertiesFromHal( 38 const t_equalizer_settings& halProperties, 39 IEqualizerEffect::AllProperties* properties) { 40 properties->curPreset = halProperties.curPreset; 41 // t_equalizer_settings incorrectly defines bandLevels as uint16_t, 42 // whereas the actual type of values used by effects is int16_t. 43 const int16_t* signedBandLevels = 44 reinterpret_cast<const int16_t*>(&halProperties.bandLevels[0]); 45 properties->bandLevels.setToExternal( 46 const_cast<int16_t*>(signedBandLevels), halProperties.numBands); 47} 48 49std::vector<uint8_t> EqualizerEffect::propertiesToHal( 50 const IEqualizerEffect::AllProperties& properties, 51 t_equalizer_settings** halProperties) { 52 size_t bandsSize = properties.bandLevels.size() * sizeof(uint16_t); 53 std::vector<uint8_t> halBuffer(sizeof(t_equalizer_settings) + bandsSize, 0); 54 *halProperties = reinterpret_cast<t_equalizer_settings*>(&halBuffer[0]); 55 (*halProperties)->curPreset = properties.curPreset; 56 (*halProperties)->numBands = properties.bandLevels.size(); 57 memcpy((*halProperties)->bandLevels, &properties.bandLevels[0], bandsSize); 58 return halBuffer; 59} 60 61// Methods from ::android::hardware::audio::effect::V2_0::IEffect follow. 62Return<Result> EqualizerEffect::init() { 63 return mEffect->init(); 64} 65 66Return<Result> EqualizerEffect::setConfig( 67 const EffectConfig& config, 68 const sp<IEffectBufferProviderCallback>& inputBufferProvider, 69 const sp<IEffectBufferProviderCallback>& outputBufferProvider) { 70 return mEffect->setConfig(config, inputBufferProvider, outputBufferProvider); 71} 72 73Return<Result> EqualizerEffect::reset() { 74 return mEffect->reset(); 75} 76 77Return<Result> EqualizerEffect::enable() { 78 return mEffect->enable(); 79} 80 81Return<Result> EqualizerEffect::disable() { 82 return mEffect->disable(); 83} 84 85Return<Result> EqualizerEffect::setDevice(AudioDevice device) { 86 return mEffect->setDevice(device); 87} 88 89Return<void> EqualizerEffect::setAndGetVolume( 90 const hidl_vec<uint32_t>& volumes, setAndGetVolume_cb _hidl_cb) { 91 return mEffect->setAndGetVolume(volumes, _hidl_cb); 92} 93 94Return<Result> EqualizerEffect::volumeChangeNotification( 95 const hidl_vec<uint32_t>& volumes) { 96 return mEffect->volumeChangeNotification(volumes); 97} 98 99Return<Result> EqualizerEffect::setAudioMode(AudioMode mode) { 100 return mEffect->setAudioMode(mode); 101} 102 103Return<Result> EqualizerEffect::setConfigReverse( 104 const EffectConfig& config, 105 const sp<IEffectBufferProviderCallback>& inputBufferProvider, 106 const sp<IEffectBufferProviderCallback>& outputBufferProvider) { 107 return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider); 108} 109 110Return<Result> EqualizerEffect::setInputDevice(AudioDevice device) { 111 return mEffect->setInputDevice(device); 112} 113 114Return<void> EqualizerEffect::getConfig(getConfig_cb _hidl_cb) { 115 return mEffect->getConfig(_hidl_cb); 116} 117 118Return<void> EqualizerEffect::getConfigReverse(getConfigReverse_cb _hidl_cb) { 119 return mEffect->getConfigReverse(_hidl_cb); 120} 121 122Return<void> EqualizerEffect::getSupportedAuxChannelsConfigs( 123 uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) { 124 return mEffect->getSupportedAuxChannelsConfigs(maxConfigs, _hidl_cb); 125} 126 127Return<void> EqualizerEffect::getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) { 128 return mEffect->getAuxChannelsConfig(_hidl_cb); 129} 130 131Return<Result> EqualizerEffect::setAuxChannelsConfig( 132 const EffectAuxChannelsConfig& config) { 133 return mEffect->setAuxChannelsConfig(config); 134} 135 136Return<Result> EqualizerEffect::setAudioSource(AudioSource source) { 137 return mEffect->setAudioSource(source); 138} 139 140Return<Result> EqualizerEffect::offload(const EffectOffloadParameter& param) { 141 return mEffect->offload(param); 142} 143 144Return<void> EqualizerEffect::getDescriptor(getDescriptor_cb _hidl_cb) { 145 return mEffect->getDescriptor(_hidl_cb); 146} 147 148Return<void> EqualizerEffect::prepareForProcessing( 149 prepareForProcessing_cb _hidl_cb) { 150 return mEffect->prepareForProcessing(_hidl_cb); 151} 152 153Return<Result> EqualizerEffect::setProcessBuffers( 154 const AudioBuffer& inBuffer, const AudioBuffer& outBuffer) { 155 return mEffect->setProcessBuffers(inBuffer, outBuffer); 156} 157 158Return<void> EqualizerEffect::command( 159 uint32_t commandId, 160 const hidl_vec<uint8_t>& data, 161 uint32_t resultMaxSize, 162 command_cb _hidl_cb) { 163 return mEffect->command(commandId, data, resultMaxSize, _hidl_cb); 164} 165 166Return<Result> EqualizerEffect::setParameter( 167 const hidl_vec<uint8_t>& parameter, const hidl_vec<uint8_t>& value) { 168 return mEffect->setParameter(parameter, value); 169} 170 171Return<void> EqualizerEffect::getParameter( 172 const hidl_vec<uint8_t>& parameter, 173 uint32_t valueMaxSize, 174 getParameter_cb _hidl_cb) { 175 return mEffect->getParameter(parameter, valueMaxSize, _hidl_cb); 176} 177 178Return<void> EqualizerEffect::getSupportedConfigsForFeature( 179 uint32_t featureId, 180 uint32_t maxConfigs, 181 uint32_t configSize, 182 getSupportedConfigsForFeature_cb _hidl_cb) { 183 return mEffect->getSupportedConfigsForFeature(featureId, maxConfigs, configSize, _hidl_cb); 184} 185 186Return<void> EqualizerEffect::getCurrentConfigForFeature( 187 uint32_t featureId, 188 uint32_t configSize, 189 getCurrentConfigForFeature_cb _hidl_cb) { 190 return mEffect->getCurrentConfigForFeature(featureId, configSize, _hidl_cb); 191} 192 193Return<Result> EqualizerEffect::setCurrentConfigForFeature( 194 uint32_t featureId, const hidl_vec<uint8_t>& configData) { 195 return mEffect->setCurrentConfigForFeature(featureId, configData); 196} 197 198Return<Result> EqualizerEffect::close() { 199 return mEffect->close(); 200} 201 202// Methods from ::android::hardware::audio::effect::V2_0::IEqualizerEffect follow. 203Return<void> EqualizerEffect::getNumBands(getNumBands_cb _hidl_cb) { 204 return mEffect->getIntegerParam(EQ_PARAM_NUM_BANDS, _hidl_cb); 205} 206 207Return<void> EqualizerEffect::getLevelRange(getLevelRange_cb _hidl_cb) { 208 int16_t halLevels[2] = { 0, 0 }; 209 Result retval = mEffect->getParam(EQ_PARAM_LEVEL_RANGE, halLevels); 210 _hidl_cb(retval, halLevels[0], halLevels[1]); 211 return Void(); 212} 213 214Return<Result> EqualizerEffect::setBandLevel(uint16_t band, int16_t level) { 215 return mEffect->setParam(EQ_PARAM_BAND_LEVEL, band, level); 216} 217 218Return<void> EqualizerEffect::getBandLevel(uint16_t band, getBandLevel_cb _hidl_cb) { 219 int16_t halLevel = 0; 220 Result retval = mEffect->getParam(EQ_PARAM_BAND_LEVEL, band, halLevel); 221 _hidl_cb(retval, halLevel); 222 return Void(); 223} 224 225Return<void> EqualizerEffect::getBandCenterFrequency( 226 uint16_t band, getBandCenterFrequency_cb _hidl_cb) { 227 uint32_t halFreq = 0; 228 Result retval = mEffect->getParam(EQ_PARAM_CENTER_FREQ, band, halFreq); 229 _hidl_cb(retval, halFreq); 230 return Void(); 231} 232 233Return<void> EqualizerEffect::getBandFrequencyRange( 234 uint16_t band, getBandFrequencyRange_cb _hidl_cb) { 235 uint32_t halFreqs[2] = { 0, 0 }; 236 Result retval = mEffect->getParam(EQ_PARAM_BAND_FREQ_RANGE, band, halFreqs); 237 _hidl_cb(retval, halFreqs[0], halFreqs[1]); 238 return Void(); 239} 240 241Return<void> EqualizerEffect::getBandForFrequency(uint32_t freq, getBandForFrequency_cb _hidl_cb) { 242 uint16_t halBand = 0; 243 Result retval = mEffect->getParam(EQ_PARAM_GET_BAND, freq, halBand); 244 _hidl_cb(retval, halBand); 245 return Void(); 246} 247 248Return<void> EqualizerEffect::getPresetNames(getPresetNames_cb _hidl_cb) { 249 uint16_t halPresetCount = 0; 250 Result retval = mEffect->getParam(EQ_PARAM_GET_NUM_OF_PRESETS, halPresetCount); 251 hidl_vec<hidl_string> presetNames; 252 if (retval == Result::OK) { 253 presetNames.resize(halPresetCount); 254 for (uint16_t i = 0; i < halPresetCount; ++i) { 255 char halPresetName[EFFECT_STRING_LEN_MAX]; 256 retval = mEffect->getParam(EQ_PARAM_GET_PRESET_NAME, i, halPresetName); 257 if (retval == Result::OK) { 258 presetNames[i] = halPresetName; 259 } else { 260 presetNames.resize(i); 261 } 262 } 263 } 264 _hidl_cb(retval, presetNames); 265 return Void(); 266} 267 268Return<Result> EqualizerEffect::setCurrentPreset(uint16_t preset) { 269 return mEffect->setParam(EQ_PARAM_CUR_PRESET, preset); 270} 271 272Return<void> EqualizerEffect::getCurrentPreset(getCurrentPreset_cb _hidl_cb) { 273 return mEffect->getIntegerParam(EQ_PARAM_CUR_PRESET, _hidl_cb); 274} 275 276Return<Result> EqualizerEffect::setAllProperties( 277 const IEqualizerEffect::AllProperties& properties) { 278 t_equalizer_settings *halPropertiesPtr = nullptr; 279 std::vector<uint8_t> halBuffer = propertiesToHal(properties, &halPropertiesPtr); 280 uint32_t paramId = EQ_PARAM_PROPERTIES; 281 return mEffect->setParameterImpl( 282 sizeof(paramId), ¶mId, halBuffer.size(), halPropertiesPtr); 283} 284 285Return<void> EqualizerEffect::getAllProperties(getAllProperties_cb _hidl_cb) { 286 uint16_t numBands = 0; 287 Result retval = mEffect->getParam(EQ_PARAM_NUM_BANDS, numBands); 288 AllProperties properties; 289 if (retval != Result::OK) { 290 _hidl_cb(retval, properties); 291 return Void(); 292 } 293 size_t valueSize = sizeof(t_equalizer_settings) + sizeof(int16_t) * numBands; 294 uint32_t paramId = EQ_PARAM_PROPERTIES; 295 retval = mEffect->getParameterImpl( 296 sizeof(paramId), ¶mId, valueSize, 297 [&] (uint32_t, const void* valueData) { 298 const t_equalizer_settings* halProperties = 299 reinterpret_cast<const t_equalizer_settings*>(valueData); 300 propertiesFromHal(*halProperties, &properties); 301 }); 302 _hidl_cb(retval, properties); 303 return Void(); 304} 305 306} // namespace implementation 307} // namespace V2_0 308} // namespace effect 309} // namespace audio 310} // namespace hardware 311} // namespace android 312