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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.
*/
#include "config.h"
#include "RTCRtpReceiver.h"
#if ENABLE(WEB_RTC)
#include "JSDOMPromiseDeferred.h"
#include "Logging.h"
#include "PeerConnectionBackend.h"
#include "RTCRtpCapabilities.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
#if !RELEASE_LOG_DISABLED
#define LOGIDENTIFIER_RECEIVER Logger::LogSiteIdentifier(logClassName(), __func__, m_connection->logIdentifier())
#else
#define LOGIDENTIFIER_RECEIVER
#endif
WTF_MAKE_ISO_ALLOCATED_IMPL(RTCRtpReceiver);
RTCRtpReceiver::RTCRtpReceiver(PeerConnectionBackend& connection, Ref<MediaStreamTrack>&& track, std::unique_ptr<RTCRtpReceiverBackend>&& backend)
: m_track(WTFMove(track))
, m_backend(WTFMove(backend))
, m_connection(connection)
#if !RELEASE_LOG_DISABLED
, m_logger(connection.logger())
, m_logIdentifier(connection.logIdentifier())
#endif
{
}
RTCRtpReceiver::~RTCRtpReceiver()
{
if (m_transform)
m_transform->detachFromReceiver(*this);
}
void RTCRtpReceiver::stop()
{
if (!m_backend)
return;
if (m_transform)
m_transform->detachFromReceiver(*this);
m_backend = nullptr;
m_track->stopTrack(MediaStreamTrack::StopMode::PostEvent);
}
void RTCRtpReceiver::getStats(Ref<DeferredPromise>&& promise)
{
if (!m_connection) {
promise->reject(InvalidStateError);
return;
}
m_connection->getStats(*this, WTFMove(promise));
}
std::optional<RTCRtpCapabilities> RTCRtpReceiver::getCapabilities(ScriptExecutionContext& context, const String& kind)
{
return PeerConnectionBackend::receiverCapabilities(context, kind);
}
ExceptionOr<void> RTCRtpReceiver::setTransform(std::unique_ptr<RTCRtpTransform>&& transform)
{
ALWAYS_LOG_IF(m_connection, LOGIDENTIFIER_RECEIVER);
if (transform && m_transform && *transform == *m_transform)
return { };
if (!transform) {
if (m_transform) {
m_transform->detachFromReceiver(*this);
m_transform = { };
}
return { };
}
if (transform->isAttached())
return Exception { InvalidStateError, "transform is already in use"_s };
transform->attachToReceiver(*this, m_transform.get());
m_transform = WTFMove(transform);
return { };
}
std::optional<RTCRtpTransform::Internal> RTCRtpReceiver::transform()
{
if (!m_transform)
return { };
return m_transform->internalTransform();
}
#if !RELEASE_LOG_DISABLED
WTFLogChannel& RTCRtpReceiver::logChannel() const
{
return LogWebRTC;
}
#endif
} // namespace WebCore
#endif // ENABLE(WEB_RTC)