Konsta
88 lines
3.9 KiB
C++
88 lines
3.9 KiB
C++
/*
|
|
* Copyright (C) 2022 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <mutex>
|
|
|
|
#include <aidl/android/hardware/audio/core/sounddose/BnSoundDose.h>
|
|
#include <aidl/android/media/audio/common/AudioDevice.h>
|
|
#include <aidl/android/media/audio/common/AudioFormatDescription.h>
|
|
#include <audio_utils/MelProcessor.h>
|
|
#include <audio_utils/mutex.h>
|
|
|
|
namespace aidl::android::hardware::audio::core::sounddose {
|
|
|
|
// Interface used for processing the data received by a stream.
|
|
class StreamDataProcessorInterface {
|
|
public:
|
|
virtual ~StreamDataProcessorInterface() = default;
|
|
|
|
virtual void startDataProcessor(
|
|
uint32_t samplerate, uint32_t channelCount,
|
|
const ::aidl::android::media::audio::common::AudioFormatDescription& format) = 0;
|
|
virtual void setAudioDevice(
|
|
const ::aidl::android::media::audio::common::AudioDevice& audioDevice) = 0;
|
|
virtual void process(const void* buffer, size_t size) = 0;
|
|
};
|
|
|
|
class SoundDose final : public BnSoundDose, public StreamDataProcessorInterface {
|
|
public:
|
|
SoundDose() : mMelCallback(::android::sp<MelCallback>::make(this)){};
|
|
|
|
// -------------------------------------- BnSoundDose ------------------------------------------
|
|
ndk::ScopedAStatus setOutputRs2UpperBound(float in_rs2ValueDbA) override;
|
|
ndk::ScopedAStatus getOutputRs2UpperBound(float* _aidl_return) override;
|
|
ndk::ScopedAStatus registerSoundDoseCallback(
|
|
const std::shared_ptr<ISoundDose::IHalSoundDoseCallback>& in_callback) override;
|
|
|
|
// ----------------------------- StreamDataProcessorInterface ----------------------------------
|
|
void setAudioDevice(
|
|
const ::aidl::android::media::audio::common::AudioDevice& audioDevice) override;
|
|
void startDataProcessor(
|
|
uint32_t samplerate, uint32_t channelCount,
|
|
const ::aidl::android::media::audio::common::AudioFormatDescription& format) override;
|
|
void process(const void* buffer, size_t size) override;
|
|
|
|
private:
|
|
class MelCallback : public ::android::audio_utils::MelProcessor::MelCallback {
|
|
public:
|
|
explicit MelCallback(SoundDose* soundDose) : mSoundDose(*soundDose) {}
|
|
|
|
// ------------------------------------ MelCallback ----------------------------------------
|
|
void onNewMelValues(const std::vector<float>& mels, size_t offset, size_t length,
|
|
audio_port_handle_t deviceId, bool attenuated) const override;
|
|
void onMomentaryExposure(float currentMel, audio_port_handle_t deviceId) const override;
|
|
|
|
SoundDose& mSoundDose; // must outlive MelCallback, not owning
|
|
};
|
|
|
|
void onNewMelValues(const std::vector<float>& mels, size_t offset, size_t length,
|
|
audio_port_handle_t deviceId) const;
|
|
void onMomentaryExposure(float currentMel, audio_port_handle_t deviceId) const;
|
|
|
|
mutable ::android::audio_utils::mutex mCbMutex;
|
|
std::shared_ptr<ISoundDose::IHalSoundDoseCallback> mCallback GUARDED_BY(mCbMutex);
|
|
std::optional<::aidl::android::media::audio::common::AudioDevice> mAudioDevice
|
|
GUARDED_BY(mCbMutex);
|
|
mutable ::android::audio_utils::mutex mMutex;
|
|
float mRs2Value GUARDED_BY(mMutex) = DEFAULT_MAX_RS2;
|
|
::android::sp<::android::audio_utils::MelProcessor> mMelProcessor GUARDED_BY(mMutex);
|
|
::android::sp<MelCallback> mMelCallback GUARDED_BY(mMutex);
|
|
};
|
|
|
|
} // namespace aidl::android::hardware::audio::core::sounddose
|