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28 #ifndef TALK_SESSION_MEDIA_SSRCMUXFILTER_H_
29 #define TALK_SESSION_MEDIA_SSRCMUXFILTER_H_
33 #include "talk/base/basictypes.h"
34 #include "talk/media/base/streamparams.h"
38 // This class maintains list of recv SSRC's destined for cricket::BaseChannel.
39 // In case of single RTP session and single transport channel, all session
40 // ( or media) channels share a common transport channel. Hence they all get
41 // SignalReadPacket when packet received on transport channel. This requires
42 // cricket::BaseChannel to know all the valid sources, else media channel
43 // will decode invalid packets.
49 // Whether the rtp mux is active for a sdp session.
50 // Returns true if the filter contains a stream.
51 bool IsActive() const;
52 // Determines packet belongs to valid cricket::BaseChannel.
53 bool DemuxPacket(const char* data, size_t len, bool rtcp);
54 // Adding a valid source to the filter.
55 bool AddStream(const StreamParams& stream);
56 // Removes source from the filter.
57 bool RemoveStream(uint32 ssrc);
58 // Utility method added for unitest.
59 bool FindStream(uint32 ssrc) const;
62 std::vector<StreamParams> streams_;
65 } // namespace cricket
67 #endif // TALK_SESSION_MEDIA_SSRCMUXFILTER_H_