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