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/*
* 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.
*/
#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
#define ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
#include <mutex>
#include <android/hidl/memory/1.0/IMemory.h>
#include <system/audio_effect.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
#include <utils/Singleton.h>
using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
using ::android::hidl::memory::V1_0::IMemory;
namespace android {
namespace hardware {
namespace audio {
namespace effect {
namespace CPP_VERSION {
namespace implementation {
class AudioBufferWrapper : public RefBase {
public:
explicit AudioBufferWrapper(const AudioBuffer& buffer);
virtual ~AudioBufferWrapper();
bool init();
audio_buffer_t* getHalBuffer() { return &mHalBuffer; }
private:
AudioBufferWrapper(const AudioBufferWrapper&) = delete;
void operator=(AudioBufferWrapper) = delete;
AudioBuffer mHidlBuffer;
sp<IMemory> mHidlMemory;
audio_buffer_t mHalBuffer;
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace effect
} // namespace audio
} // namespace hardware
} // namespace android
using ::android::hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
namespace android {
// This class needs to be in 'android' ns because Singleton macros require that.
class AudioBufferManager : public Singleton<AudioBufferManager> {
public:
bool wrap(const AudioBuffer& buffer, sp<AudioBufferWrapper>* wrapper);
private:
friend class hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
// Called by AudioBufferWrapper.
void removeEntry(uint64_t id);
std::mutex mLock;
KeyedVector<uint64_t, wp<AudioBufferWrapper>> mBuffers;
};
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
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