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/*
* Copyright 2015 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.
*/
// This file contains interfaces for RtpSenders
// http://w3c.github.io/webrtc-pc/#rtcrtpsender-interface
#ifndef WEBRTC_API_RTPSENDERINTERFACE_H_
#define WEBRTC_API_RTPSENDERINTERFACE_H_
#include <string>
#include <vector>
#include "webrtc/api/dtmfsenderinterface.h"
#include "webrtc/api/mediatypes.h"
#include "webrtc/api/mediastreaminterface.h"
#include "webrtc/api/proxy.h"
#include "webrtc/api/rtpparameters.h"
#include "webrtc/base/refcount.h"
#include "webrtc/base/scoped_ref_ptr.h"
namespace webrtc {
class RtpSenderInterface : public rtc::RefCountInterface {
public:
// Returns true if successful in setting the track.
// Fails if an audio track is set on a video RtpSender, or vice-versa.
virtual bool SetTrack(MediaStreamTrackInterface* track) = 0;
virtual rtc::scoped_refptr<MediaStreamTrackInterface> track() const = 0;
// Returns primary SSRC used by this sender for sending media.
// Returns 0 if not yet determined.
// TODO(deadbeef): Change to rtc::Optional.
// TODO(deadbeef): Remove? With GetParameters this should be redundant.
virtual uint32_t ssrc() const = 0;
// Audio or video sender?
virtual cricket::MediaType media_type() const = 0;
// Not to be confused with "mid", this is a field we can temporarily use
// to uniquely identify a receiver until we implement Unified Plan SDP.
virtual std::string id() const = 0;
// Returns a list of streams associated with this sender's track. Although we
// only support one track per stream, in theory the API allows for multiple.
virtual std::vector<std::string> stream_ids() const = 0;
virtual RtpParameters GetParameters() const = 0;
// Note that only a subset of the parameters can currently be changed. See
// rtpparameters.h
virtual bool SetParameters(const RtpParameters& parameters) = 0;
// Returns null for a video sender.
virtual rtc::scoped_refptr<DtmfSenderInterface> GetDtmfSender() const = 0;
protected:
virtual ~RtpSenderInterface() {}
};
// Define proxy for RtpSenderInterface.
// TODO(deadbeef): Move this to .cc file and out of api/. What threads methods
// are called on is an implementation detail.
BEGIN_SIGNALING_PROXY_MAP(RtpSender)
PROXY_SIGNALING_THREAD_DESTRUCTOR()
PROXY_METHOD1(bool, SetTrack, MediaStreamTrackInterface*)
PROXY_CONSTMETHOD0(rtc::scoped_refptr<MediaStreamTrackInterface>, track)
PROXY_CONSTMETHOD0(uint32_t, ssrc)
PROXY_CONSTMETHOD0(cricket::MediaType, media_type)
PROXY_CONSTMETHOD0(std::string, id)
PROXY_CONSTMETHOD0(std::vector<std::string>, stream_ids)
PROXY_CONSTMETHOD0(RtpParameters, GetParameters);
PROXY_METHOD1(bool, SetParameters, const RtpParameters&)
PROXY_CONSTMETHOD0(rtc::scoped_refptr<DtmfSenderInterface>, GetDtmfSender);
END_PROXY_MAP()
} // namespace webrtc
#endif // WEBRTC_API_RTPSENDERINTERFACE_H_
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