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/*
* Copyright (C) 2015 Ericsson AB. All rights reserved.
*
* 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.
* 3. Neither the name of Ericsson nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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)
#include "MediaStream.h"
#include "RTCDtlsTransport.h"
#include "RTCRtpReceiverBackend.h"
#include "RTCRtpSynchronizationSource.h"
#include "RTCRtpTransform.h"
#include "ScriptWrappable.h"
namespace WebCore {
class DeferredPromise;
class PeerConnectionBackend;
struct RTCRtpCapabilities;
class RTCRtpReceiver final : public RefCounted<RTCRtpReceiver>
, public ScriptWrappable
#if !RELEASE_LOG_DISABLED
, private LoggerHelper
#endif
{
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RTCRtpReceiver);
public:
static Ref<RTCRtpReceiver> create(PeerConnectionBackend& connection, Ref<MediaStreamTrack>&& track, std::unique_ptr<RTCRtpReceiverBackend>&& backend)
{
return adoptRef(*new RTCRtpReceiver(connection, WTFMove(track), WTFMove(backend)));
}
virtual ~RTCRtpReceiver();
static std::optional<RTCRtpCapabilities> getCapabilities(ScriptExecutionContext&, const String& kind);
void stop();
void setBackend(std::unique_ptr<RTCRtpReceiverBackend>&& backend) { m_backend = WTFMove(backend); }
RTCRtpParameters getParameters() { return m_backend ? m_backend->getParameters() : RTCRtpParameters(); }
Vector<RTCRtpContributingSource> getContributingSources() const { return m_backend ? m_backend->getContributingSources() : Vector<RTCRtpContributingSource> { }; }
Vector<RTCRtpSynchronizationSource> getSynchronizationSources() const { return m_backend ? m_backend->getSynchronizationSources() : Vector<RTCRtpSynchronizationSource> { }; }
MediaStreamTrack& track() { return m_track.get(); }
RTCDtlsTransport* transport() { return m_transport.get(); }
void setTransport(RefPtr<RTCDtlsTransport>&& transport) { m_transport = WTFMove(transport); }
RTCRtpReceiverBackend* backend() { return m_backend.get(); }
void getStats(Ref<DeferredPromise>&&);
std::optional<RTCRtpTransform::Internal> transform();
ExceptionOr<void> setTransform(std::unique_ptr<RTCRtpTransform>&&);
const Vector<WeakPtr<MediaStream>>& associatedStreams() const { return m_associatedStreams; }
void setAssociatedStreams(Vector<WeakPtr<MediaStream>>&& streams) { m_associatedStreams = WTFMove(streams); }
private:
RTCRtpReceiver(PeerConnectionBackend&, Ref<MediaStreamTrack>&&, std::unique_ptr<RTCRtpReceiverBackend>&&);
#if !RELEASE_LOG_DISABLED
const Logger& logger() const final { return m_logger.get(); }
uint64_t logIdentifier() const final { return m_logIdentifier; }
ASCIILiteral logClassName() const final { return "RTCRtpReceiver"_s; }
WTFLogChannel& logChannel() const final;
#endif
Ref<MediaStreamTrack> m_track;
RefPtr<RTCDtlsTransport> m_transport;
std::unique_ptr<RTCRtpReceiverBackend> m_backend;
WeakPtr<PeerConnectionBackend> m_connection;
std::unique_ptr<RTCRtpTransform> m_transform;
Vector<WeakPtr<MediaStream>> m_associatedStreams;
#if !RELEASE_LOG_DISABLED
Ref<const Logger> m_logger;
uint64_t m_logIdentifier { 0 };
#endif
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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