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      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 #define LOG_TAG "Visualizer_HAL"
     18 #include <system/audio_effects/effect_visualizer.h>
     19 #include <android/log.h>
     20 
     21 #include "VisualizerEffect.h"
     22 
     23 namespace android {
     24 namespace hardware {
     25 namespace audio {
     26 namespace effect {
     27 namespace V2_0 {
     28 namespace implementation {
     29 
     30 VisualizerEffect::VisualizerEffect(effect_handle_t handle)
     31         : mEffect(new Effect(handle)), mCaptureSize(0), mMeasurementMode(MeasurementMode::NONE) {
     32 }
     33 
     34 VisualizerEffect::~VisualizerEffect() {}
     35 
     36 // Methods from ::android::hardware::audio::effect::V2_0::IEffect follow.
     37 Return<Result> VisualizerEffect::init() {
     38     return mEffect->init();
     39 }
     40 
     41 Return<Result> VisualizerEffect::setConfig(
     42         const EffectConfig& config,
     43         const sp<IEffectBufferProviderCallback>& inputBufferProvider,
     44         const sp<IEffectBufferProviderCallback>& outputBufferProvider) {
     45     return mEffect->setConfig(config, inputBufferProvider, outputBufferProvider);
     46 }
     47 
     48 Return<Result> VisualizerEffect::reset() {
     49     return mEffect->reset();
     50 }
     51 
     52 Return<Result> VisualizerEffect::enable() {
     53     return mEffect->enable();
     54 }
     55 
     56 Return<Result> VisualizerEffect::disable() {
     57     return mEffect->disable();
     58 }
     59 
     60 Return<Result> VisualizerEffect::setDevice(AudioDevice device) {
     61     return mEffect->setDevice(device);
     62 }
     63 
     64 Return<void> VisualizerEffect::setAndGetVolume(
     65         const hidl_vec<uint32_t>& volumes, setAndGetVolume_cb _hidl_cb) {
     66     return mEffect->setAndGetVolume(volumes, _hidl_cb);
     67 }
     68 
     69 Return<Result> VisualizerEffect::volumeChangeNotification(
     70         const hidl_vec<uint32_t>& volumes) {
     71     return mEffect->volumeChangeNotification(volumes);
     72 }
     73 
     74 Return<Result> VisualizerEffect::setAudioMode(AudioMode mode) {
     75     return mEffect->setAudioMode(mode);
     76 }
     77 
     78 Return<Result> VisualizerEffect::setConfigReverse(
     79         const EffectConfig& config,
     80         const sp<IEffectBufferProviderCallback>& inputBufferProvider,
     81         const sp<IEffectBufferProviderCallback>& outputBufferProvider) {
     82     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
     83 }
     84 
     85 Return<Result> VisualizerEffect::setInputDevice(AudioDevice device) {
     86     return mEffect->setInputDevice(device);
     87 }
     88 
     89 Return<void> VisualizerEffect::getConfig(getConfig_cb _hidl_cb) {
     90     return mEffect->getConfig(_hidl_cb);
     91 }
     92 
     93 Return<void> VisualizerEffect::getConfigReverse(getConfigReverse_cb _hidl_cb) {
     94     return mEffect->getConfigReverse(_hidl_cb);
     95 }
     96 
     97 Return<void> VisualizerEffect::getSupportedAuxChannelsConfigs(
     98         uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) {
     99     return mEffect->getSupportedAuxChannelsConfigs(maxConfigs, _hidl_cb);
    100 }
    101 
    102 Return<void> VisualizerEffect::getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) {
    103     return mEffect->getAuxChannelsConfig(_hidl_cb);
    104 }
    105 
    106 Return<Result> VisualizerEffect::setAuxChannelsConfig(
    107         const EffectAuxChannelsConfig& config) {
    108     return mEffect->setAuxChannelsConfig(config);
    109 }
    110 
    111 Return<Result> VisualizerEffect::setAudioSource(AudioSource source) {
    112     return mEffect->setAudioSource(source);
    113 }
    114 
    115 Return<Result> VisualizerEffect::offload(const EffectOffloadParameter& param) {
    116     return mEffect->offload(param);
    117 }
    118 
    119 Return<void> VisualizerEffect::getDescriptor(getDescriptor_cb _hidl_cb) {
    120     return mEffect->getDescriptor(_hidl_cb);
    121 }
    122 
    123 Return<void> VisualizerEffect::prepareForProcessing(
    124         prepareForProcessing_cb _hidl_cb) {
    125     return mEffect->prepareForProcessing(_hidl_cb);
    126 }
    127 
    128 Return<Result> VisualizerEffect::setProcessBuffers(
    129         const AudioBuffer& inBuffer, const AudioBuffer& outBuffer) {
    130     return mEffect->setProcessBuffers(inBuffer, outBuffer);
    131 }
    132 
    133 Return<void> VisualizerEffect::command(
    134         uint32_t commandId,
    135         const hidl_vec<uint8_t>& data,
    136         uint32_t resultMaxSize,
    137         command_cb _hidl_cb) {
    138     return mEffect->command(commandId, data, resultMaxSize, _hidl_cb);
    139 }
    140 
    141 Return<Result> VisualizerEffect::setParameter(
    142         const hidl_vec<uint8_t>& parameter, const hidl_vec<uint8_t>& value) {
    143     return mEffect->setParameter(parameter, value);
    144 }
    145 
    146 Return<void> VisualizerEffect::getParameter(
    147         const hidl_vec<uint8_t>& parameter,
    148         uint32_t valueMaxSize,
    149         getParameter_cb _hidl_cb) {
    150     return mEffect->getParameter(parameter, valueMaxSize, _hidl_cb);
    151 }
    152 
    153 Return<void> VisualizerEffect::getSupportedConfigsForFeature(
    154         uint32_t featureId,
    155         uint32_t maxConfigs,
    156         uint32_t configSize,
    157         getSupportedConfigsForFeature_cb _hidl_cb) {
    158     return mEffect->getSupportedConfigsForFeature(featureId, maxConfigs, configSize, _hidl_cb);
    159 }
    160 
    161 Return<void> VisualizerEffect::getCurrentConfigForFeature(
    162         uint32_t featureId,
    163         uint32_t configSize,
    164         getCurrentConfigForFeature_cb _hidl_cb) {
    165     return mEffect->getCurrentConfigForFeature(featureId, configSize, _hidl_cb);
    166 }
    167 
    168 Return<Result> VisualizerEffect::setCurrentConfigForFeature(
    169         uint32_t featureId, const hidl_vec<uint8_t>& configData) {
    170     return mEffect->setCurrentConfigForFeature(featureId, configData);
    171 }
    172 
    173 Return<Result> VisualizerEffect::close() {
    174     return mEffect->close();
    175 }
    176 
    177 // Methods from ::android::hardware::audio::effect::V2_0::IVisualizerEffect follow.
    178 Return<Result> VisualizerEffect::setCaptureSize(uint16_t captureSize)  {
    179     Result retval = mEffect->setParam(VISUALIZER_PARAM_CAPTURE_SIZE, captureSize);
    180     if (retval == Result::OK) {
    181         mCaptureSize = captureSize;
    182     }
    183     return retval;
    184 }
    185 
    186 Return<void> VisualizerEffect::getCaptureSize(getCaptureSize_cb _hidl_cb)  {
    187     return mEffect->getIntegerParam(VISUALIZER_PARAM_CAPTURE_SIZE, _hidl_cb);
    188 }
    189 
    190 Return<Result> VisualizerEffect::setScalingMode(IVisualizerEffect::ScalingMode scalingMode)  {
    191     return mEffect->setParam(VISUALIZER_PARAM_SCALING_MODE, static_cast<int32_t>(scalingMode));
    192 }
    193 
    194 Return<void> VisualizerEffect::getScalingMode(getScalingMode_cb _hidl_cb)  {
    195     int32_t halMode;
    196     Result retval = mEffect->getParam(VISUALIZER_PARAM_SCALING_MODE, halMode);
    197     _hidl_cb(retval, ScalingMode(halMode));
    198     return Void();
    199 }
    200 
    201 Return<Result> VisualizerEffect::setLatency(uint32_t latencyMs)  {
    202     return mEffect->setParam(VISUALIZER_PARAM_LATENCY, latencyMs);
    203 }
    204 
    205 Return<void> VisualizerEffect::getLatency(getLatency_cb _hidl_cb)  {
    206     return mEffect->getIntegerParam(VISUALIZER_PARAM_LATENCY, _hidl_cb);
    207 }
    208 
    209 Return<Result> VisualizerEffect::setMeasurementMode(
    210         IVisualizerEffect::MeasurementMode measurementMode)  {
    211     Result retval = mEffect->setParam(
    212             VISUALIZER_PARAM_MEASUREMENT_MODE, static_cast<int32_t>(measurementMode));
    213     if (retval == Result::OK) {
    214         mMeasurementMode = measurementMode;
    215     }
    216     return retval;
    217 }
    218 
    219 Return<void> VisualizerEffect::getMeasurementMode(getMeasurementMode_cb _hidl_cb)  {
    220     int32_t halMode;
    221     Result retval = mEffect->getParam(VISUALIZER_PARAM_MEASUREMENT_MODE, halMode);
    222     _hidl_cb(retval, MeasurementMode(halMode));
    223     return Void();
    224 }
    225 
    226 Return<void> VisualizerEffect::capture(capture_cb _hidl_cb)  {
    227     if (mCaptureSize == 0) {
    228         _hidl_cb(Result::NOT_INITIALIZED, hidl_vec<uint8_t>());
    229         return Void();
    230     }
    231     uint32_t halCaptureSize = mCaptureSize;
    232     uint8_t halCapture[mCaptureSize];
    233     Result retval = mEffect->sendCommandReturningData(
    234             VISUALIZER_CMD_CAPTURE, "VISUALIZER_CAPTURE", &halCaptureSize, halCapture);
    235     hidl_vec<uint8_t> capture;
    236     if (retval == Result::OK) {
    237         capture.setToExternal(&halCapture[0], halCaptureSize);
    238     }
    239     _hidl_cb(retval, capture);
    240     return Void();
    241 }
    242 
    243 Return<void> VisualizerEffect::measure(measure_cb _hidl_cb)  {
    244     if (mMeasurementMode == MeasurementMode::NONE) {
    245         _hidl_cb(Result::NOT_INITIALIZED, Measurement());
    246         return Void();
    247     }
    248     int32_t halMeasurement[MEASUREMENT_COUNT];
    249     uint32_t halMeasurementSize = sizeof(halMeasurement);
    250     Result retval = mEffect->sendCommandReturningData(
    251             VISUALIZER_CMD_MEASURE, "VISUALIZER_MEASURE", &halMeasurementSize, halMeasurement);
    252     Measurement measurement = { .mode = MeasurementMode::PEAK_RMS };
    253     measurement.value.peakAndRms.peakMb = 0;
    254     measurement.value.peakAndRms.rmsMb = 0;
    255     if (retval == Result::OK) {
    256         measurement.value.peakAndRms.peakMb = halMeasurement[MEASUREMENT_IDX_PEAK];
    257         measurement.value.peakAndRms.rmsMb = halMeasurement[MEASUREMENT_IDX_RMS];
    258     }
    259     _hidl_cb(retval, measurement);
    260     return Void();
    261 }
    262 
    263 } // namespace implementation
    264 }  // namespace V2_0
    265 }  // namespace effect
    266 }  // namespace audio
    267 }  // namespace hardware
    268 }  // namespace android
    269