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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_CDM_CDM_MANAGER_H_
#define MEDIA_CDM_CDM_MANAGER_H_
#include <map>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/synchronization/lock.h"
#include "media/base/media_export.h"
#include "media/cdm/cdm_manager_export.h"
namespace media {
class ContentDecryptionModule;
// Provides a singleton registry of CDM instances. This is used to share
// ContentDecryptionModules between the MojoMediaService and
// AndroidVideoDecodeAccelerator, and should be removed along with AVDA in the
// future. (MojoCdmServiceContext serves the same purpose for Media Mojo
// services, but scoped to a single InterfaceFactory.)
class CDM_MANAGER_EXPORT CdmManager {
public:
CdmManager();
~CdmManager();
static CdmManager* GetInstance();
// Returns the CDM associated with |cdm_id|. Can be called on any thread.
scoped_refptr<ContentDecryptionModule> GetCdm(int cdm_id);
// Registers the |cdm| for |cdm_id|.
void RegisterCdm(int cdm_id, scoped_refptr<ContentDecryptionModule> cdm);
// Unregisters the CDM associated with |cdm_id|.
void UnregisterCdm(int cdm_id);
private:
base::Lock lock_;
std::map<int, scoped_refptr<ContentDecryptionModule>> cdm_map_;
DISALLOW_COPY_AND_ASSIGN(CdmManager);
};
} // namespace media
#endif // MEDIA_CDM_CDM_MANAGER_H_
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