58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
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/*
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* Copyright 2017 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 WEBRTC_API_ORTC_RTPTRANSPORTCONTROLLERINTERFACE_H_
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#define WEBRTC_API_ORTC_RTPTRANSPORTCONTROLLERINTERFACE_H_
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#include <vector>
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#include "webrtc/api/ortc/rtptransportinterface.h"
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namespace webrtc {
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class RtpTransportControllerAdapter;
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// Used to group RTP transports between a local endpoint and the same remote
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// endpoint, for the purpose of sharing bandwidth estimation and other things.
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//
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// Comparing this to the PeerConnection model, non-budled audio/video would use
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// two RtpTransports with a single RtpTransportController, whereas bundled
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// media would use a single RtpTransport, and two PeerConnections would use
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// independent RtpTransportControllers.
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//
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// RtpTransports are associated with this controller when they're created, by
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// passing the controller into OrtcFactory's relevant "CreateRtpTransport"
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// method. When a transport is destroyed, it's automatically disassociated.
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// GetTransports returns all currently associated transports.
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//
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// This is the RTP equivalent of "IceTransportController" in ORTC; RtpTransport
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// is to RtpTransportController as IceTransport is to IceTransportController.
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class RtpTransportControllerInterface {
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public:
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virtual ~RtpTransportControllerInterface() {}
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// Returns all transports associated with this controller (see explanation
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// above). No ordering is guaranteed.
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virtual std::vector<RtpTransportInterface*> GetTransports() const = 0;
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protected:
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// Only for internal use. Returns a pointer to an internal interface, for use
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// by the implementation.
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virtual RtpTransportControllerAdapter* GetInternal() = 0;
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// Classes that can use this internal interface.
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friend class OrtcFactory;
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friend class RtpTransportAdapter;
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};
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} // namespace webrtc
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#endif // WEBRTC_API_ORTC_RTPTRANSPORTCONTROLLERINTERFACE_H_
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