10e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org/* 20e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * libjingle 30e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Copyright 2004 Google Inc. 40e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 50e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Redistribution and use in source and binary forms, with or without 60e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * modification, are permitted provided that the following conditions are met: 70e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 80e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 90e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer. 100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer in the documentation 120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * and/or other materials provided with the distribution. 130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 3. The name of the author may not be used to endorse or promote products 140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * derived from this software without specific prior written permission. 150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org */ 270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 28907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org#ifndef TALK_SESSION_MEDIA_BUNDLEFILTER_H_ 29907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org#define TALK_SESSION_MEDIA_BUNDLEFILTER_H_ 300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 31907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org#include <set> 320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include <vector> 330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/media/base/streamparams.h" 35cf81adffe15fa8ea0f333432e41f6d504148f18abuildbot@webrtc.org#include "webrtc/base/basictypes.h" 360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace cricket { 380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// In case of single RTP session and single transport channel, all session 400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// ( or media) channels share a common transport channel. Hence they all get 410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// SignalReadPacket when packet received on transport channel. This requires 420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// cricket::BaseChannel to know all the valid sources, else media channel 430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// will decode invalid packets. 44907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org// 45907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org// This class determines whether a packet is destined for cricket::BaseChannel. 46907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org// For rtp packets, this is decided based on the payload type. For rtcp packets, 47907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org// this is decided based on the sender ssrc values. 48907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.orgclass BundleFilter { 490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org public: 50907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org BundleFilter(); 51907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org ~BundleFilter(); 520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Determines packet belongs to valid cricket::BaseChannel. 540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org bool DemuxPacket(const char* data, size_t len, bool rtcp); 55907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org 56907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org // Adds the supported payload type. 57907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org void AddPayloadType(int payload_type); 58907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org 590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Adding a valid source to the filter. 600e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org bool AddStream(const StreamParams& stream); 61907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org 620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Removes source from the filter. 630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org bool RemoveStream(uint32 ssrc); 64907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org 65907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org // Utility methods added for unitest. 66907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org // True if |streams_| is not empty. 67907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org bool HasStreams() const; 680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org bool FindStream(uint32 ssrc) const; 69907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org bool FindPayloadType(int pl_type) const; 70907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org void ClearAllPayloadTypes(); 71907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org 720e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org private: 74907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org std::set<int> payload_types_; 750e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::vector<StreamParams> streams_; 760e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org}; 770e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 780e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace cricket 790e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 80907f45cd2b5d7872266db6d855e5de08bed77c75buildbot@webrtc.org#endif // TALK_SESSION_MEDIA_BUNDLEFILTER_H_ 81