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/*
* Copyright (C) 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
#include <WebCore/HostingContext.h>
#include <WebCore/MediaPlayerEnums.h>
#include <WebCore/MediaPromiseTypes.h>
#include <WebCore/PlatformLayer.h>
#include <WebCore/TrackInfo.h>
#include <WebCore/VideoPlaybackQualityMetrics.h>
#include <WebCore/VideoTarget.h>
#include <optional>
#include <wtf/AbstractThreadSafeRefCountedAndCanMakeWeakPtr.h>
#include <wtf/CompletionHandler.h>
#include <wtf/MediaTime.h>
#include <wtf/NativePromise.h>
#include <wtf/ObjectIdentifier.h>
namespace WebCore {
class CDMInstance;
class FloatRect;
class GraphicsContext;
class LegacyCDMSession;
class LayoutRect;
class MediaSample;
class NativeImage;
class PlatformDynamicRangeLimit;
class ProcessIdentity;
class TextTrackRepresentation;
class VideoFrame;
class AudioInterface {
public:
using PitchCorrectionAlgorithm = MediaPlayerPitchCorrectionAlgorithm;
virtual ~AudioInterface() = default;
virtual void setVolume(float) = 0;
virtual void setMuted(bool) = 0;
virtual void setPreservesPitchAndCorrectionAlgorithm(bool, std::optional<PitchCorrectionAlgorithm>) { }
#if HAVE(AUDIO_OUTPUT_DEVICE_UNIQUE_ID)
virtual void setOutputDeviceId(const String&) { }
#endif
};
class VideoInterface {
public:
virtual ~VideoInterface() = default;
virtual void setIsVisible(bool) = 0;
virtual void setPresentationSize(const IntSize&) = 0;
virtual void setShouldMaintainAspectRatio(bool) { }
virtual void renderingCanBeAcceleratedChanged(bool) { }
virtual void contentBoxRectChanged(const LayoutRect&) { }
virtual void notifyFirstFrameAvailable(Function<void()>&&) { }
virtual void notifyWhenHasAvailableVideoFrame(Function<void(const MediaTime&, double)>&&) { }
virtual void notifyWhenRequiresFlushToResume(Function<void()>&&) { }
virtual void notifyRenderingModeChanged(Function<void()>&&) { }
virtual void expectMinimumUpcomingPresentationTime(const MediaTime&) { }
virtual void notifySizeChanged(Function<void(const MediaTime&, FloatSize)>&&) { }
virtual void setShouldDisableHDR(bool) { };
virtual void setPlatformDynamicRangeLimit(const PlatformDynamicRangeLimit&) { };
virtual void setResourceOwner(const ProcessIdentity&) { }
virtual void flushAndRemoveImage() { };
virtual RefPtr<VideoFrame> currentVideoFrame() const = 0;
virtual void paintCurrentVideoFrameInContext(GraphicsContext&, const FloatRect&) { }
virtual RefPtr<NativeImage> currentNativeImage() const { return nullptr; }
virtual std::optional<VideoPlaybackQualityMetrics> videoPlaybackQualityMetrics() = 0;
virtual PlatformLayer* platformVideoLayer() const { return nullptr; }
using LayerHostingContextCallback = CompletionHandler<void(HostingContext)>;
virtual void requestHostingContext(LayerHostingContextCallback&& completionHandler) { completionHandler({ }); }
virtual HostingContext hostingContext() const { return { }; }
virtual WebCore::FloatSize videoLayerSize() const { return { }; }
virtual void notifyVideoLayerSizeChanged(Function<void(const MediaTime&, FloatSize)>&&) { }
virtual void setVideoLayerSizeFenced(const FloatSize&, WTF::MachSendRightAnnotated&&) { }
};
class VideoFullscreenInterface {
public:
virtual ~VideoFullscreenInterface() = default;
#if ENABLE(VIDEO_PRESENTATION_MODE)
virtual void setVideoFullscreenLayer(PlatformLayer*, Function<void()>&&) { }
virtual void setVideoFullscreenFrame(const FloatRect&) { }
virtual Ref<GenericPromise> setVideoTarget(const PlatformVideoTarget&) { return GenericPromise::createAndReject(); }
virtual void isInFullscreenOrPictureInPictureChanged(bool) { }
#endif
virtual void setTextTrackRepresentation(TextTrackRepresentation*) { }
virtual void syncTextTrackBounds() { }
};
class SynchronizerInterface {
public:
virtual ~SynchronizerInterface() = default;
virtual void play(std::optional<MonotonicTime> hostTime = std::nullopt) = 0;
virtual void pause(std::optional<MonotonicTime> hostTime = std::nullopt) = 0;
virtual bool paused() const = 0;
virtual void setRate(double) = 0;
virtual double effectiveRate() const = 0;
virtual void stall() { };
virtual void prepareToSeek() { }
virtual Ref<MediaTimePromise> seekTo(const MediaTime&) = 0;
virtual bool seeking() const = 0;
};
struct SamplesRendererTrackIdentifierType;
using SamplesRendererTrackIdentifier = AtomicObjectIdentifier<SamplesRendererTrackIdentifierType>;
class TracksRendererManager {
public:
using TrackType = TrackInfo::TrackType;
using TrackIdentifier = SamplesRendererTrackIdentifier;
virtual ~TracksRendererManager() = default;
virtual void setPreferences(VideoRendererPreferences) { }
virtual void setHasProtectedVideoContent(bool) { }
virtual TrackIdentifier addTrack(TrackType) = 0;
virtual void removeTrack(TrackIdentifier) = 0;
virtual void enqueueSample(TrackIdentifier, Ref<MediaSample>&&, std::optional<MediaTime> = std::nullopt) = 0;
virtual bool isReadyForMoreSamples(TrackIdentifier) = 0;
virtual void requestMediaDataWhenReady(TrackIdentifier, Function<void(TrackIdentifier)>&&) = 0;
virtual void stopRequestingMediaData(TrackIdentifier) = 0;
virtual void notifyTrackNeedsReenqueuing(TrackIdentifier, Function<void(TrackIdentifier, const MediaTime&)>&&) { }
virtual bool timeIsProgressing() const = 0;
virtual void notifyEffectiveRateChanged(Function<void(double)>&&) { }
virtual MediaTime currentTime() const = 0;
virtual void notifyTimeReachedAndStall(const MediaTime&, Function<void(const MediaTime&)>&&) { }
virtual void cancelTimeReachedAction() { }
virtual void performTaskAtTime(const MediaTime&, Function<void(const MediaTime&)>&&) { }
virtual void setTimeObserver(Seconds, Function<void(const MediaTime&)>&&) { }
virtual void flush() = 0;
virtual void flushTrack(TrackIdentifier) = 0;
virtual void applicationWillResignActive() { }
virtual void notifyWhenErrorOccurs(Function<void(PlatformMediaError)>&&) = 0;
using SoundStageSize = MediaPlayerSoundStageSize;
virtual void setSpatialTrackingInfo(bool /* prefersSpatialAudioExperience */, SoundStageSize, const String& /* sceneIdentifier */, const String& /* defaultLabel */, const String& /* label */) { }
#if ENABLE(ENCRYPTED_MEDIA)
virtual void setCDMInstance(CDMInstance*) { }
virtual Ref<MediaPromise> setInitData(Ref<SharedBuffer>) { return MediaPromise::createAndResolve(); }
virtual void attemptToDecrypt() { }
#endif
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
virtual RefPtr<SharedBuffer> initData() const { return nullptr; }
virtual void setCDMSession(LegacyCDMSession*) { }
#endif
};
class WEBCORE_EXPORT AudioVideoRenderer : public AudioInterface, public VideoInterface, public VideoFullscreenInterface, public SynchronizerInterface, public TracksRendererManager, public AbstractThreadSafeRefCountedAndCanMakeWeakPtr {
public:
virtual ~AudioVideoRenderer() = default;
};
}
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