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/*
* Copyright (C) 2020-2025 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.
*
* 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 PLATFORM(COCOA) && ENABLE(MEDIA_RECORDER)
#include "MediaRecorderPrivateWriter.h"
#endif
#include "NativeImage.h"
#include "NowPlayingManager.h"
#include <wtf/CompletionHandler.h>
#include <wtf/Forward.h>
namespace WebCore {
class AudioDestination;
class AudioIOCallback;
class CDMFactory;
class NowPlayingManager;
class VideoFrame;
struct AudioDestinationCreationOptions;
class WEBCORE_EXPORT MediaStrategy {
public:
#if ENABLE(WEB_AUDIO)
virtual Ref<AudioDestination> createAudioDestination(const AudioDestinationCreationOptions&) = 0;
#endif
virtual std::unique_ptr<NowPlayingManager> createNowPlayingManager() const;
void resetMediaEngines();
virtual bool hasThreadSafeMediaSourceSupport() const;
#if ENABLE(MEDIA_SOURCE)
virtual void enableMockMediaSource();
bool mockMediaSourceEnabled() const;
static void addMockMediaSourceEngine();
#endif
#if ENABLE(VIDEO)
virtual void nativeImageFromVideoFrame(const VideoFrame&, CompletionHandler<void(std::optional<RefPtr<NativeImage>>&&)>&&);
#endif
virtual bool enableWebMMediaPlayer() const { return true; }
virtual bool isWebMediaStrategy() const { return false; }
protected:
MediaStrategy();
virtual ~MediaStrategy();
bool m_mockMediaSourceEnabled { false };
};
inline void MediaStrategy::nativeImageFromVideoFrame(const VideoFrame&, CompletionHandler<void(std::optional<RefPtr<NativeImage>>&&)>&& completionHandler)
{
completionHandler(std::nullopt);
}
} // namespace WebCore
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