53c7ba632d
Extends the RtpDemuxer to do demuxing according to the BUNDLE spec, using MID and payload types in addition to RSID and SSRC. Also extends SsrcBindingObserver to receive notification for all types of SSRC binding that can occur with the new algorithm. Bug: webrtc:4050 Change-Id: Ie2f347f90d5074ab537fa1162fa7314dd292b68b Reviewed-on: https://chromium-review.googlesource.com/578628 Commit-Queue: Steve Anton <steveanton@webrtc.org> Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Elad Alon <eladalon@webrtc.org> Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org> Reviewed-by: Peter Thatcher <pthatcher@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19415}
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
/*
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* Copyright (c) 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_CALL_SSRC_BINDING_OBSERVER_H_
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#define WEBRTC_CALL_SSRC_BINDING_OBSERVER_H_
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#include <string>
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#include "webrtc/rtc_base/basictypes.h"
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namespace webrtc {
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// With newer versions of SDP, SSRC is often not explicitly signaled and must
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// be learned on the fly. This happens by correlating packet SSRCs with included
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// RTP extension headers like MID and RSID, or by receiving information from
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// RTCP messages.
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// SsrcBindingObservers will be notified when a new binding is learned, which
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// can happen during call setup and/or during the call.
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class SsrcBindingObserver {
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public:
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virtual ~SsrcBindingObserver() = default;
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virtual void OnSsrcBoundToRsid(const std::string& rsid, uint32_t ssrc) {}
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virtual void OnSsrcBoundToMid(const std::string& mid, uint32_t ssrc) {}
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virtual void OnSsrcBoundToMidRsid(const std::string& mid,
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const std::string& rsid,
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uint32_t ssrc) {}
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virtual void OnSsrcBoundToPayloadType(uint8_t payload_type, uint32_t ssrc) {}
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};
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} // namespace webrtc
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#endif // WEBRTC_CALL_SSRC_BINDING_OBSERVER_H_
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