77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* Copyright (C) 2015 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 DRM_SESSION_MANAGER_H_
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#define DRM_SESSION_MANAGER_H_
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#include <media/stagefright/foundation/ABase.h>
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#include <utils/RefBase.h>
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#include <utils/KeyedVector.h>
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#include <utils/threads.h>
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#include <utils/Vector.h>
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namespace android {
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class DrmSessionManagerTest;
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struct DrmSessionClientInterface;
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struct ProcessInfoInterface;
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bool isEqualSessionId(const Vector<uint8_t> &sessionId1, const Vector<uint8_t> &sessionId2);
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struct SessionInfo {
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sp<DrmSessionClientInterface> drm;
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Vector<uint8_t> sessionId;
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int64_t timeStamp;
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};
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typedef Vector<SessionInfo > SessionInfos;
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typedef KeyedVector<int, SessionInfos > PidSessionInfosMap;
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struct DrmSessionManager : public RefBase {
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static sp<DrmSessionManager> Instance();
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DrmSessionManager();
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DrmSessionManager(sp<ProcessInfoInterface> processInfo);
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void addSession(int pid, sp<DrmSessionClientInterface> drm, const Vector<uint8_t>& sessionId);
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void useSession(const Vector<uint8_t>& sessionId);
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void removeSession(const Vector<uint8_t>& sessionId);
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void removeDrm(sp<DrmSessionClientInterface> drm);
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bool reclaimSession(int callingPid);
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protected:
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virtual ~DrmSessionManager();
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private:
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friend class DrmSessionManagerTest;
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int64_t getTime_l();
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bool getLowestPriority_l(int* lowestPriorityPid, int* lowestPriority);
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bool getLeastUsedSession_l(
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int pid, sp<DrmSessionClientInterface>* drm, Vector<uint8_t>* sessionId);
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sp<ProcessInfoInterface> mProcessInfo;
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mutable Mutex mLock;
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PidSessionInfosMap mSessionMap;
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int64_t mTime;
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DISALLOW_EVIL_CONSTRUCTORS(DrmSessionManager);
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};
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} // namespace android
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#endif // DRM_SESSION_MANAGER_H_
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