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* Copyright 2004--2011, Google Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef TALK_SESSION_PHONE_SSRCMUXFILTER_H_
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#define TALK_SESSION_PHONE_SSRCMUXFILTER_H_
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#include "talk/base/basictypes.h"
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#include "talk/session/phone/streamparams.h"
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// This class maintains list of recv SSRC's destined for cricket::BaseChannel.
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// In case of single RTP session and single transport channel, all session
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// ( or media) channels share a common transport channel. Hence they all get
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// SignalReadPacket when packet received on transport channel. This requires
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// cricket::BaseChannel to know all the valid sources, else media channel
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// will decode invalid packets.
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// Whether the rtp mux is active for a sdp session.
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// Returns true if the filter contains a stream.
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bool IsActive() const;
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// Determines packet belongs to valid cricket::BaseChannel.
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bool DemuxPacket(const char* data, size_t len, bool rtcp);
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// Adding a valid source to the filter.
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bool AddStream(const StreamParams& stream);
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// Removes source from the filter.
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bool RemoveStream(uint32 ssrc);
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// Utility method added for unitest.
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bool FindStream(uint32 ssrc) const;
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std::vector<StreamParams> streams_;
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} // namespace cricket
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#endif // TALK_SESSION_PHONE_SSRCMUXFILTER_H_