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/*
* Copyright 2004 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 PC_BUNDLEFILTER_H_
#define PC_BUNDLEFILTER_H_
#include <stdint.h>
#include <set>
#include <vector>
#include "media/base/streamparams.h"
#include "rtc_base/basictypes.h"
namespace cricket {
// In case of single RTP session and single transport channel, all session
// (or media) channels share a common transport channel. Hence they all get
// SignalReadPacket when packet received on transport channel. This requires
// cricket::BaseChannel to know all the valid sources, else media channel
// will decode invalid packets.
//
// This class determines whether a packet is destined for cricket::BaseChannel.
// This is only to be used for RTP packets as RTCP packets are not filtered.
// For RTP packets, this is decided based on the payload type.
class BundleFilter {
public:
BundleFilter();
~BundleFilter();
// Determines if a RTP packet belongs to valid cricket::BaseChannel.
bool DemuxPacket(const uint8_t* data, size_t len);
// Adds the supported payload type.
void AddPayloadType(int payload_type);
// Public for unittests.
bool FindPayloadType(int pl_type) const;
void ClearAllPayloadTypes();
private:
std::set<int> payload_types_;
};
} // namespace cricket
#endif // PC_BUNDLEFILTER_H_
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