e005cf2c93
BUG=webrtc:5277 R=mflodman Review URL: https://codereview.webrtc.org/1507313005 Cr-Commit-Position: refs/heads/master@{#11023}
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_SSRC_DATABASE_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_SSRC_DATABASE_H_
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#include <set>
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#include "webrtc/base/random.h"
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/system_wrappers/include/static_instance.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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class CriticalSectionWrapper;
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class SSRCDatabase {
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public:
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static SSRCDatabase* GetSSRCDatabase();
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static void ReturnSSRCDatabase();
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uint32_t CreateSSRC();
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void RegisterSSRC(uint32_t ssrc);
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void ReturnSSRC(uint32_t ssrc);
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protected:
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SSRCDatabase();
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virtual ~SSRCDatabase();
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static SSRCDatabase* CreateInstance() { return new SSRCDatabase(); }
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private:
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// Friend function to allow the SSRC destructor to be accessed from the
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// template class.
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friend SSRCDatabase* GetStaticInstance<SSRCDatabase>(
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CountOperation count_operation);
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rtc::scoped_ptr<CriticalSectionWrapper> crit_;
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Random random_ GUARDED_BY(crit_);
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std::set<uint32_t> ssrcs_ GUARDED_BY(crit_);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_SSRC_DATABASE_H_
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