1 files changed, 260 insertions, 0 deletions
diff --git a/audio/effect/all-versions/default/VisualizerEffect.cpp b/audio/effect/all-versions/default/VisualizerEffect.cpp
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+++ b/audio/effect/all-versions/default/VisualizerEffect.cpp
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Visualizer_HAL"
+
+#include "VisualizerEffect.h"
+
+#include <android/log.h>
+#include <system/audio_effects/effect_visualizer.h>
+
+#include "VersionUtils.h"
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace effect {
+namespace CPP_VERSION {
+namespace implementation {
+
+VisualizerEffect::VisualizerEffect(effect_handle_t handle)
+    : mEffect(new Effect(handle)), mCaptureSize(0), mMeasurementMode(MeasurementMode::NONE) {}
+
+VisualizerEffect::~VisualizerEffect() {}
+
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
+Return<Result> VisualizerEffect::init() {
+    return mEffect->init();
+}
+
+Return<Result> VisualizerEffect::setConfig(
+    const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
+    const sp<IEffectBufferProviderCallback>& outputBufferProvider) {
+    return mEffect->setConfig(config, inputBufferProvider, outputBufferProvider);
+}
+
+Return<Result> VisualizerEffect::reset() {
+    return mEffect->reset();
+}
+
+Return<Result> VisualizerEffect::enable() {
+    return mEffect->enable();
+}
+
+Return<Result> VisualizerEffect::disable() {
+    return mEffect->disable();
+}
+
+Return<Result> VisualizerEffect::setDevice(AudioDeviceBitfield device) {
+    return mEffect->setDevice(device);
+}
+
+Return<void> VisualizerEffect::setAndGetVolume(const hidl_vec<uint32_t>& volumes,
+                                               setAndGetVolume_cb _hidl_cb) {
+    return mEffect->setAndGetVolume(volumes, _hidl_cb);
+}
+
+Return<Result> VisualizerEffect::volumeChangeNotification(const hidl_vec<uint32_t>& volumes) {
+    return mEffect->volumeChangeNotification(volumes);
+}
+
+Return<Result> VisualizerEffect::setAudioMode(AudioMode mode) {
+    return mEffect->setAudioMode(mode);
+}
+
+Return<Result> VisualizerEffect::setConfigReverse(
+    const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
+    const sp<IEffectBufferProviderCallback>& outputBufferProvider) {
+    return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
+}
+
+Return<Result> VisualizerEffect::setInputDevice(AudioDeviceBitfield device) {
+    return mEffect->setInputDevice(device);
+}
+
+Return<void> VisualizerEffect::getConfig(getConfig_cb _hidl_cb) {
+    return mEffect->getConfig(_hidl_cb);
+}
+
+Return<void> VisualizerEffect::getConfigReverse(getConfigReverse_cb _hidl_cb) {
+    return mEffect->getConfigReverse(_hidl_cb);
+}
+
+Return<void> VisualizerEffect::getSupportedAuxChannelsConfigs(
+    uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) {
+    return mEffect->getSupportedAuxChannelsConfigs(maxConfigs, _hidl_cb);
+}
+
+Return<void> VisualizerEffect::getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) {
+    return mEffect->getAuxChannelsConfig(_hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setAuxChannelsConfig(const EffectAuxChannelsConfig& config) {
+    return mEffect->setAuxChannelsConfig(config);
+}
+
+Return<Result> VisualizerEffect::setAudioSource(AudioSource source) {
+    return mEffect->setAudioSource(source);
+}
+
+Return<Result> VisualizerEffect::offload(const EffectOffloadParameter& param) {
+    return mEffect->offload(param);
+}
+
+Return<void> VisualizerEffect::getDescriptor(getDescriptor_cb _hidl_cb) {
+    return mEffect->getDescriptor(_hidl_cb);
+}
+
+Return<void> VisualizerEffect::prepareForProcessing(prepareForProcessing_cb _hidl_cb) {
+    return mEffect->prepareForProcessing(_hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setProcessBuffers(const AudioBuffer& inBuffer,
+                                                   const AudioBuffer& outBuffer) {
+    return mEffect->setProcessBuffers(inBuffer, outBuffer);
+}
+
+Return<void> VisualizerEffect::command(uint32_t commandId, const hidl_vec<uint8_t>& data,
+                                       uint32_t resultMaxSize, command_cb _hidl_cb) {
+    return mEffect->command(commandId, data, resultMaxSize, _hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setParameter(const hidl_vec<uint8_t>& parameter,
+                                              const hidl_vec<uint8_t>& value) {
+    return mEffect->setParameter(parameter, value);
+}
+
+Return<void> VisualizerEffect::getParameter(const hidl_vec<uint8_t>& parameter,
+                                            uint32_t valueMaxSize, getParameter_cb _hidl_cb) {
+    return mEffect->getParameter(parameter, valueMaxSize, _hidl_cb);
+}
+
+Return<void> VisualizerEffect::getSupportedConfigsForFeature(
+    uint32_t featureId, uint32_t maxConfigs, uint32_t configSize,
+    getSupportedConfigsForFeature_cb _hidl_cb) {
+    return mEffect->getSupportedConfigsForFeature(featureId, maxConfigs, configSize, _hidl_cb);
+}
+
+Return<void> VisualizerEffect::getCurrentConfigForFeature(uint32_t featureId, uint32_t configSize,
+                                                          getCurrentConfigForFeature_cb _hidl_cb) {
+    return mEffect->getCurrentConfigForFeature(featureId, configSize, _hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setCurrentConfigForFeature(uint32_t featureId,
+                                                            const hidl_vec<uint8_t>& configData) {
+    return mEffect->setCurrentConfigForFeature(featureId, configData);
+}
+
+Return<Result> VisualizerEffect::close() {
+    return mEffect->close();
+}
+
+Return<void> VisualizerEffect::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
+    return mEffect->debug(fd, options);
+}
+
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IVisualizerEffect follow.
+Return<Result> VisualizerEffect::setCaptureSize(uint16_t captureSize) {
+    Result retval = mEffect->setParam(VISUALIZER_PARAM_CAPTURE_SIZE, captureSize);
+    if (retval == Result::OK) {
+        mCaptureSize = captureSize;
+    }
+    return retval;
+}
+
+Return<void> VisualizerEffect::getCaptureSize(getCaptureSize_cb _hidl_cb) {
+    return mEffect->getIntegerParam(VISUALIZER_PARAM_CAPTURE_SIZE, _hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setScalingMode(IVisualizerEffect::ScalingMode scalingMode) {
+    return mEffect->setParam(VISUALIZER_PARAM_SCALING_MODE, static_cast<int32_t>(scalingMode));
+}
+
+Return<void> VisualizerEffect::getScalingMode(getScalingMode_cb _hidl_cb) {
+    int32_t halMode;
+    Result retval = mEffect->getParam(VISUALIZER_PARAM_SCALING_MODE, halMode);
+    _hidl_cb(retval, ScalingMode(halMode));
+    return Void();
+}
+
+Return<Result> VisualizerEffect::setLatency(uint32_t latencyMs) {
+    return mEffect->setParam(VISUALIZER_PARAM_LATENCY, latencyMs);
+}
+
+Return<void> VisualizerEffect::getLatency(getLatency_cb _hidl_cb) {
+    return mEffect->getIntegerParam(VISUALIZER_PARAM_LATENCY, _hidl_cb);
+}
+
+Return<Result> VisualizerEffect::setMeasurementMode(
+    IVisualizerEffect::MeasurementMode measurementMode) {
+    Result retval =
+        mEffect->setParam(VISUALIZER_PARAM_MEASUREMENT_MODE, static_cast<int32_t>(measurementMode));
+    if (retval == Result::OK) {
+        mMeasurementMode = measurementMode;
+    }
+    return retval;
+}
+
+Return<void> VisualizerEffect::getMeasurementMode(getMeasurementMode_cb _hidl_cb) {
+    int32_t halMode;
+    Result retval = mEffect->getParam(VISUALIZER_PARAM_MEASUREMENT_MODE, halMode);
+    _hidl_cb(retval, MeasurementMode(halMode));
+    return Void();
+}
+
+Return<void> VisualizerEffect::capture(capture_cb _hidl_cb) {
+    if (mCaptureSize == 0) {
+        _hidl_cb(Result::NOT_INITIALIZED, hidl_vec<uint8_t>());
+        return Void();
+    }
+    uint32_t halCaptureSize = mCaptureSize;
+    uint8_t halCapture[mCaptureSize];
+    Result retval = mEffect->sendCommandReturningData(VISUALIZER_CMD_CAPTURE, "VISUALIZER_CAPTURE",
+                                                      &halCaptureSize, halCapture);
+    hidl_vec<uint8_t> capture;
+    if (retval == Result::OK) {
+        capture.setToExternal(&halCapture[0], halCaptureSize);
+    }
+    _hidl_cb(retval, capture);
+    return Void();
+}
+
+Return<void> VisualizerEffect::measure(measure_cb _hidl_cb) {
+    if (mMeasurementMode == MeasurementMode::NONE) {
+        _hidl_cb(Result::NOT_INITIALIZED, Measurement());
+        return Void();
+    }
+    int32_t halMeasurement[MEASUREMENT_COUNT];
+    uint32_t halMeasurementSize = sizeof(halMeasurement);
+    Result retval = mEffect->sendCommandReturningData(VISUALIZER_CMD_MEASURE, "VISUALIZER_MEASURE",
+                                                      &halMeasurementSize, halMeasurement);
+    Measurement measurement = {.mode = MeasurementMode::PEAK_RMS};
+    measurement.value.peakAndRms.peakMb = 0;
+    measurement.value.peakAndRms.rmsMb = 0;
+    if (retval == Result::OK) {
+        measurement.value.peakAndRms.peakMb = halMeasurement[MEASUREMENT_IDX_PEAK];
+        measurement.value.peakAndRms.rmsMb = halMeasurement[MEASUREMENT_IDX_RMS];
+    }
+    _hidl_cb(retval, measurement);
+    return Void();
+}
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace effect
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android