1a25cbdad6
Merge from Widevine repo of http://go/wvgerrit/47860 This CL updates the copyright notice to indicate that files shared with partners are shared under the Widevine Master License Agreement. bug: 77926774 test: comment change only Change-Id: I0423668111578b80fb39a932d763df2827e2dfc3
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
//
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// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine Master
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// License Agreement.
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//
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//#define LOG_NDEBUG 0
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#define LOG_TAG "WVCdm"
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#include <utils/Log.h>
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#include "WVCDMSingleton.h"
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#include "utils/Mutex.h"
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#include "utils/RefBase.h"
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namespace wvdrm {
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using wvcdm::WvContentDecryptionModule;
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using android::Mutex;
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using android::sp;
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using android::wp;
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Mutex cdmLock;
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// The strong pointers that keep this object alive live in the plugin objects.
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// If all the plugins are deleted, the CDM will be deleted, and subsequent
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// invocations of this code will construct a new CDM.
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wp<WvContentDecryptionModule> sCdm;
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sp<WvContentDecryptionModule> getCDM() {
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Mutex::Autolock lock(cdmLock); // This function is a critical section.
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sp<WvContentDecryptionModule> cdm = sCdm.promote();
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if (cdm == NULL) {
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ALOGD("Instantiating CDM.");
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cdm = new WvContentDecryptionModule();
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sCdm = cdm;
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}
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return cdm;
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}
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} // namespace wvdrm
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