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/*
* Copyright (C) 2017-2019 Apple Inc. 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 USE(LIBWEBRTC)
#include "LibWebRTCMacros.h"
#include "RealtimeMediaSource.h"
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN
#include <webrtc/api/media_stream_interface.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
#include <wtf/RetainPtr.h>
namespace WebCore {
class CaptureDevice;
class FrameRateMonitor;
class RealtimeIncomingVideoSource
: public RealtimeMediaSource
, private rtc::VideoSinkInterface<webrtc::VideoFrame>
, private webrtc::ObserverInterface
, public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<RealtimeIncomingVideoSource, WTF::DestructionThread::MainRunLoop>
{
public:
static Ref<RealtimeIncomingVideoSource> create(rtc::scoped_refptr<webrtc::VideoTrackInterface>&&, String&&);
~RealtimeIncomingVideoSource();
WTF_ABSTRACT_THREAD_SAFE_REF_COUNTED_AND_CAN_MAKE_WEAK_PTR_IMPL;
void enableFrameRatedMonitoring();
protected:
RealtimeIncomingVideoSource(rtc::scoped_refptr<webrtc::VideoTrackInterface>&&, String&&);
#if !RELEASE_LOG_DISABLED
ASCIILiteral logClassName() const final { return "RealtimeIncomingVideoSource"_s; }
#endif
static VideoFrameTimeMetadata metadataFromVideoFrame(const webrtc::VideoFrame&);
void notifyNewFrame();
private:
// RealtimeMediaSource API
void startProducingData() final;
void stopProducingData() final;
void settingsDidChange(OptionSet<RealtimeMediaSourceSettings::Flag>) final;
const RealtimeMediaSourceCapabilities& capabilities() final;
const RealtimeMediaSourceSettings& settings() final;
bool isIncomingVideoSource() const final { return true; }
// webrtc::ObserverInterface API
void OnChanged() final;
std::optional<RealtimeMediaSourceSettings> m_currentSettings;
rtc::scoped_refptr<webrtc::VideoTrackInterface> m_videoTrack;
double m_currentFrameRate { -1 };
std::unique_ptr<FrameRateMonitor> m_frameRateMonitor;
#if !RELEASE_LOG_DISABLED
bool m_enableFrameRatedMonitoringLogging { false };
mutable RefPtr<const Logger> m_logger;
uint64_t m_logIdentifier { 0 };
#endif
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::RealtimeIncomingVideoSource)
static bool isType(const WebCore::RealtimeMediaSource& source) { return source.isIncomingVideoSource(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // USE(LIBWEBRTC)
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