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// Copyright (c) 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_WEBRTC_RTC_RTP_SENDER_H_
#define CONTENT_RENDERER_MEDIA_WEBRTC_RTC_RTP_SENDER_H_
#include <memory>
#include <vector>
#include "base/callback.h"
#include "content/common/content_export.h"
#include "content/renderer/media/webrtc/webrtc_media_stream_adapter_map.h"
#include "content/renderer/media/webrtc/webrtc_media_stream_track_adapter_map.h"
#include "third_party/blink/public/platform/web_media_stream_track.h"
#include "third_party/blink/public/platform/web_rtc_rtp_sender.h"
#include "third_party/blink/public/platform/web_rtc_stats.h"
#include "third_party/webrtc/api/peerconnectioninterface.h"
#include "third_party/webrtc/api/rtpsenderinterface.h"
#include "third_party/webrtc/rtc_base/scoped_ref_ptr.h"
namespace content {
// Used to surface |webrtc::RtpSenderInterface| to blink. Multiple
// |RTCRtpSender|s could reference the same webrtc sender; |id| is the value
// of the pointer to the webrtc sender.
class CONTENT_EXPORT RTCRtpSender : public blink::WebRTCRtpSender {
public:
static uintptr_t getId(const webrtc::RtpSenderInterface* webrtc_sender);
RTCRtpSender(
scoped_refptr<webrtc::PeerConnectionInterface> native_peer_connection,
scoped_refptr<base::SingleThreadTaskRunner> main_thread,
scoped_refptr<base::SingleThreadTaskRunner> signaling_thread,
scoped_refptr<WebRtcMediaStreamAdapterMap> stream_map,
rtc::scoped_refptr<webrtc::RtpSenderInterface> webrtc_sender,
blink::WebMediaStreamTrack web_track,
std::vector<blink::WebMediaStream> web_streams);
RTCRtpSender(
scoped_refptr<webrtc::PeerConnectionInterface> native_peer_connection,
scoped_refptr<base::SingleThreadTaskRunner> main_thread,
scoped_refptr<base::SingleThreadTaskRunner> signaling_thread,
scoped_refptr<WebRtcMediaStreamAdapterMap> stream_map,
rtc::scoped_refptr<webrtc::RtpSenderInterface> webrtc_sender,
std::unique_ptr<WebRtcMediaStreamTrackAdapterMap::AdapterRef> track_ref,
std::vector<std::unique_ptr<WebRtcMediaStreamAdapterMap::AdapterRef>>
stream_refs);
RTCRtpSender(const RTCRtpSender& other);
~RTCRtpSender() override;
RTCRtpSender& operator=(const RTCRtpSender& other);
// Creates a shallow copy of the sender, representing the same underlying
// webrtc sender as the original.
// TODO(hbos): Remove in favor of constructor. https://crbug.com/790007
std::unique_ptr<RTCRtpSender> ShallowCopy() const;
// blink::WebRTCRtpSender.
uintptr_t Id() const override;
blink::WebMediaStreamTrack Track() const override;
void ReplaceTrack(blink::WebMediaStreamTrack with_track,
blink::WebRTCVoidRequest request) override;
std::unique_ptr<blink::WebRTCDTMFSenderHandler> GetDtmfSender()
const override;
std::unique_ptr<blink::WebRTCRtpParameters> GetParameters() const override;
void GetStats(std::unique_ptr<blink::WebRTCStatsReportCallback>) override;
webrtc::RtpSenderInterface* webrtc_sender() const;
const webrtc::MediaStreamTrackInterface* webrtc_track() const;
std::vector<std::unique_ptr<WebRtcMediaStreamAdapterMap::AdapterRef>>
stream_refs() const;
// The ReplaceTrack() that takes a blink::WebRTCVoidRequest is implemented on
// top of this, which returns the result in a callback instead. Allows doing
// ReplaceTrack() without having a blink::WebRTCVoidRequest, which can only be
// constructed inside of blink.
void ReplaceTrack(blink::WebMediaStreamTrack with_track,
base::OnceCallback<void(bool)> callback);
bool RemoveFromPeerConnection(webrtc::PeerConnectionInterface* pc);
private:
class RTCRtpSenderInternal;
struct RTCRtpSenderInternalTraits;
scoped_refptr<RTCRtpSenderInternal> internal_;
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_WEBRTC_RTC_RTP_SENDER_H_
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