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85 lines
2.5 KiB
85 lines
2.5 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
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#define ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
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#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
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#include <mutex>
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#include <android/hidl/memory/1.0/IMemory.h>
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#include <system/audio_effect.h>
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#include <utils/KeyedVector.h>
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#include <utils/RefBase.h>
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#include <utils/Singleton.h>
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using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
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using ::android::hidl::memory::V1_0::IMemory;
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namespace android {
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namespace hardware {
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namespace audio {
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namespace effect {
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namespace CPP_VERSION {
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namespace implementation {
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class AudioBufferWrapper : public RefBase {
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public:
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explicit AudioBufferWrapper(const AudioBuffer& buffer);
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virtual ~AudioBufferWrapper();
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bool init();
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audio_buffer_t* getHalBuffer() { return &mHalBuffer; }
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private:
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AudioBufferWrapper(const AudioBufferWrapper&) = delete;
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void operator=(AudioBufferWrapper) = delete;
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AudioBuffer mHidlBuffer;
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sp<IMemory> mHidlMemory;
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audio_buffer_t mHalBuffer;
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};
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace effect
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} // namespace audio
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} // namespace hardware
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} // namespace android
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using ::android::hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
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namespace android {
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// This class needs to be in 'android' ns because Singleton macros require that.
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class AudioBufferManager : public Singleton<AudioBufferManager> {
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public:
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bool wrap(const AudioBuffer& buffer, sp<AudioBufferWrapper>* wrapper);
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private:
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friend class hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
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// Called by AudioBufferWrapper.
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void removeEntry(uint64_t id);
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std::mutex mLock;
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KeyedVector<uint64_t, wp<AudioBufferWrapper>> mBuffers;
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};
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} // namespace android
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#endif // ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
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