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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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* Copyright (C) 2017 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 AAUDIO_SERVICE_ENDPOINT_H
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#define AAUDIO_SERVICE_ENDPOINT_H
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#include <atomic>
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#include <functional>
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#include <mutex>
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#include <vector>
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#include "client/AudioStreamInternal.h"
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#include "client/AudioStreamInternalPlay.h"
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#include "binding/AAudioServiceMessage.h"
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#include "AAudioServiceStreamShared.h"
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#include "AAudioServiceStreamMMAP.h"
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#include "AAudioMixer.h"
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#include "AAudioService.h"
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namespace aaudio {
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class AAudioServiceEndpoint {
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public:
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virtual ~AAudioServiceEndpoint() = default;
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virtual aaudio_result_t open(int32_t deviceId);
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int32_t getSampleRate() const { return mStreamInternal->getSampleRate(); }
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int32_t getSamplesPerFrame() const { return mStreamInternal->getSamplesPerFrame(); }
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int32_t getFramesPerBurst() const { return mStreamInternal->getFramesPerBurst(); }
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aaudio_result_t registerStream(AAudioServiceStreamShared *sharedStream);
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aaudio_result_t unregisterStream(AAudioServiceStreamShared *sharedStream);
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aaudio_result_t startStream(AAudioServiceStreamShared *sharedStream);
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aaudio_result_t stopStream(AAudioServiceStreamShared *sharedStream);
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aaudio_result_t close();
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int32_t getDeviceId() const { return mStreamInternal->getDeviceId(); }
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aaudio_direction_t getDirection() const { return mStreamInternal->getDirection(); }
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void disconnectRegisteredStreams();
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virtual void *callbackLoop() = 0;
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// This should only be called from the AAudioEndpointManager under a mutex.
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int32_t getReferenceCount() const {
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return mReferenceCount;
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}
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// This should only be called from the AAudioEndpointManager under a mutex.
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void setReferenceCount(int32_t count) {
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mReferenceCount = count;
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}
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virtual AudioStreamInternal *getStreamInternal() = 0;
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std::atomic<bool> mCallbackEnabled;
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std::mutex mLockStreams;
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std::vector<AAudioServiceStreamShared *> mRegisteredStreams;
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std::vector<AAudioServiceStreamShared *> mRunningStreams;
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private:
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aaudio_result_t startSharingThread_l();
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aaudio_result_t stopSharingThread();
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AudioStreamInternal *mStreamInternal = nullptr;
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int32_t mReferenceCount = 0;
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};
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} /* namespace aaudio */
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#endif //AAUDIO_SERVICE_ENDPOINT_H
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