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/*
* Copyright (C) 2018 Apple Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEB_RTC) && USE(LIBWEBRTC)
#include "LibWebRTCMacros.h"
#include "LibWebRTCPeerConnectionBackend.h"
#include "RTCRtpSenderBackend.h"
#include "RealtimeOutgoingAudioSource.h"
#include "RealtimeOutgoingVideoSource.h"
#include <wtf/WeakPtr.h>
ALLOW_UNUSED_PARAMETERS_BEGIN
#include <webrtc/api/rtp_sender_interface.h>
#include <webrtc/api/scoped_refptr.h>
ALLOW_UNUSED_PARAMETERS_END
namespace WebCore {
class LibWebRTCPeerConnectionBackend;
class LibWebRTCRtpSenderBackend final : public RTCRtpSenderBackend, public CanMakeWeakPtr<LibWebRTCRtpSenderBackend> {
WTF_MAKE_FAST_ALLOCATED;
public:
using Source = std::variant<std::nullptr_t, Ref<RealtimeOutgoingAudioSource>, Ref<RealtimeOutgoingVideoSource>>;
LibWebRTCRtpSenderBackend(LibWebRTCPeerConnectionBackend&, rtc::scoped_refptr<webrtc::RtpSenderInterface>&&, Source&&);
LibWebRTCRtpSenderBackend(LibWebRTCPeerConnectionBackend&, rtc::scoped_refptr<webrtc::RtpSenderInterface>&&);
~LibWebRTCRtpSenderBackend();
void setRTCSender(rtc::scoped_refptr<webrtc::RtpSenderInterface>&& rtcSender) { m_rtcSender = WTFMove(rtcSender); }
webrtc::RtpSenderInterface* rtcSender() { return m_rtcSender.get(); }
RealtimeOutgoingVideoSource* videoSource();
void clearSource() { setSource(nullptr); }
void setSource(Source&&);
void takeSource(LibWebRTCRtpSenderBackend&);
private:
bool replaceTrack(RTCRtpSender&, MediaStreamTrack*) final;
RTCRtpSendParameters getParameters() const final;
void setParameters(const RTCRtpSendParameters&, DOMPromiseDeferred<void>&&) final;
std::unique_ptr<RTCDTMFSenderBackend> createDTMFBackend() final;
Ref<RTCRtpTransformBackend> rtcRtpTransformBackend() final;
std::unique_ptr<RTCDtlsTransportBackend> dtlsTransportBackend() final;
void setMediaStreamIds(const FixedVector<String>&) final;
void startSource();
void stopSource();
bool hasSource() const;
WeakPtr<LibWebRTCPeerConnectionBackend> m_peerConnectionBackend;
rtc::scoped_refptr<webrtc::RtpSenderInterface> m_rtcSender;
Source m_source;
RefPtr<RTCRtpTransformBackend> m_transformBackend;
mutable std::optional<webrtc::RtpParameters> m_currentParameters;
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC) && USE(LIBWEBRTC)
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