55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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/*
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* Copyright 2004 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 PC_BUNDLEFILTER_H_
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#define PC_BUNDLEFILTER_H_
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#include <stdint.h>
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#include <set>
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#include <vector>
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#include "media/base/streamparams.h"
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#include "rtc_base/basictypes.h"
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namespace cricket {
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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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//
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// This class determines whether a packet is destined for cricket::BaseChannel.
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// This is only to be used for RTP packets as RTCP packets are not filtered.
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// For RTP packets, this is decided based on the payload type.
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class BundleFilter {
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public:
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BundleFilter();
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~BundleFilter();
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// Determines if a RTP packet belongs to valid cricket::BaseChannel.
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bool DemuxPacket(const uint8_t* data, size_t len);
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// Adds the supported payload type.
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void AddPayloadType(int payload_type);
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// Public for unittests.
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bool FindPayloadType(int pl_type) const;
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void ClearAllPayloadTypes();
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private:
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std::set<int> payload_types_;
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};
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} // namespace cricket
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#endif // PC_BUNDLEFILTER_H_
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