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86 lines
3.3 KiB
86 lines
3.3 KiB
4 months ago
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/*
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* Copyright (C) 2020 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_MEDIA_SIMULATED_TRANSCODER_H
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#define ANDROID_MEDIA_SIMULATED_TRANSCODER_H
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#include <android-base/thread_annotations.h>
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#include <media/TranscoderInterface.h>
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#include <list>
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#include <map>
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#include <mutex>
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namespace android {
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/**
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* SimulatedTranscoder is currently used to instantiate MediaTranscodingService
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* on service side for testing, so that we could actually test the IPC calls of
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* MediaTranscodingService to expose issues that's observable only over IPC.
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* SimulatedTranscoder is used when useSimulatedTranscoder in TranscodingTestConfig
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* is set to true.
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*
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* SimulatedTranscoder simulates session execution by reporting finish after kSessionDurationUs.
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* Session lifecycle events are reported via progress updates with special progress
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* numbers (equal to the Event's type).
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*/
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class SimulatedTranscoder : public TranscoderInterface,
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public std::enable_shared_from_this<SimulatedTranscoder> {
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public:
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struct Event {
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enum Type { NoEvent, Start, Pause, Resume, Stop, Finished, Failed, Abandon } type;
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ClientIdType clientId;
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SessionIdType sessionId;
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std::function<void()> runnable;
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};
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static constexpr int64_t kSessionDurationUs = 1000000;
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SimulatedTranscoder(const std::shared_ptr<TranscoderCallbackInterface>& cb);
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~SimulatedTranscoder();
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// TranscoderInterface
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void start(ClientIdType clientId, SessionIdType sessionId,
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const TranscodingRequestParcel& request, uid_t callingUid,
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const std::shared_ptr<ITranscodingClientCallback>& clientCallback) override;
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void pause(ClientIdType clientId, SessionIdType sessionId) override;
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void resume(ClientIdType clientId, SessionIdType sessionId,
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const TranscodingRequestParcel& request, uid_t callingUid,
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const std::shared_ptr<ITranscodingClientCallback>& clientCallback) override;
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void stop(ClientIdType clientId, SessionIdType sessionId, bool abandon = false) override;
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// ~TranscoderInterface
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private:
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std::weak_ptr<TranscoderCallbackInterface> mCallback;
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std::mutex mLock;
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std::condition_variable mCondition;
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std::list<Event> mQueue GUARDED_BY(mLock);
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bool mLooperReady;
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using SessionKeyType = std::pair<ClientIdType, SessionIdType>;
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// map of session's remaining time in microsec.
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std::map<SessionKeyType, std::chrono::microseconds> mRemainingTimeMap;
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static const char* toString(Event::Type type);
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void queueEvent(Event::Type type, ClientIdType clientId, SessionIdType sessionId,
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std::function<void()> runnable);
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void threadLoop();
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};
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} // namespace android
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#endif // ANDROID_MEDIA_SIMULATED_TRANSCODER_H
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