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/*
* Copyright (C) 2009, 2010, 2011, 2012, 2013 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.
*/
#ifndef MediaPlayerPrivate_h
#define MediaPlayerPrivate_h
#if ENABLE(VIDEO)
#include "MediaPlayer.h"
#include "TimeRanges.h"
#include <wtf/Forward.h>
namespace WebCore {
class IntRect;
class IntSize;
class PlatformTextTrack;
class MediaPlayerPrivateInterface {
WTF_MAKE_NONCOPYABLE(MediaPlayerPrivateInterface); WTF_MAKE_FAST_ALLOCATED;
public:
MediaPlayerPrivateInterface() { }
virtual ~MediaPlayerPrivateInterface() { }
virtual void load(const String& url) = 0;
#if ENABLE(MEDIA_SOURCE)
virtual void load(const String& url, PassRefPtr<MediaSource>) = 0;
#endif
virtual void cancelLoad() = 0;
virtual void prepareToPlay() { }
virtual PlatformMedia platformMedia() const { return NoPlatformMedia; }
#if USE(ACCELERATED_COMPOSITING)
virtual PlatformLayer* platformLayer() const { return 0; }
#endif
virtual void play() = 0;
virtual void pause() = 0;
virtual bool supportsFullscreen() const { return false; }
virtual bool supportsSave() const { return false; }
virtual bool supportsScanning() const { return false; }
virtual IntSize naturalSize() const = 0;
virtual bool hasVideo() const = 0;
virtual bool hasAudio() const = 0;
virtual void setVisible(bool) = 0;
virtual float duration() const { return 0; }
virtual double durationDouble() const { return duration(); }
virtual float currentTime() const { return 0; }
virtual double currentTimeDouble() const { return currentTime(); }
virtual void seek(float) { }
virtual void seekDouble(double time) { seek(time); }
virtual bool seeking() const = 0;
virtual float startTime() const { return 0; }
virtual double startTimeDouble() const { return startTime(); }
virtual double initialTime() const { return 0; }
virtual void setRate(float) { }
virtual void setRateDouble(double rate) { setRate(rate); }
virtual void setPreservesPitch(bool) { }
virtual bool paused() const = 0;
virtual void setVolume(float) { }
virtual void setVolumeDouble(double volume) { return setVolume(volume); }
virtual bool supportsMuting() const { return false; }
virtual void setMuted(bool) { }
virtual bool hasClosedCaptions() const { return false; }
virtual void setClosedCaptionsVisible(bool) { }
virtual MediaPlayer::NetworkState networkState() const = 0;
virtual MediaPlayer::ReadyState readyState() const = 0;
virtual PassRefPtr<TimeRanges> seekable() const { return maxTimeSeekableDouble() ? TimeRanges::create(minTimeSeekable(), maxTimeSeekableDouble()) : TimeRanges::create(); }
virtual float maxTimeSeekable() const { return 0; }
virtual double maxTimeSeekableDouble() const { return maxTimeSeekable(); }
virtual double minTimeSeekable() const { return 0; }
virtual PassRefPtr<TimeRanges> buffered() const = 0;
virtual bool didLoadingProgress() const = 0;
virtual void setSize(const IntSize&) = 0;
virtual void paint(GraphicsContext*, const IntRect&) = 0;
virtual void paintCurrentFrameInContext(GraphicsContext* c, const IntRect& r) { paint(c, r); }
virtual bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject, GC3Dint, GC3Denum, GC3Denum, bool, bool) { return false; }
virtual void setPreload(MediaPlayer::Preload) { }
virtual bool hasAvailableVideoFrame() const { return readyState() >= MediaPlayer::HaveCurrentData; }
virtual bool canLoadPoster() const { return false; }
virtual void setPoster(const String&) { }
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
virtual void deliverNotification(MediaPlayerProxyNotificationType) = 0;
virtual void setMediaPlayerProxy(WebMediaPlayerProxy*) = 0;
virtual void setControls(bool) { }
#endif
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO) || USE(NATIVE_FULLSCREEN_VIDEO)
virtual void enterFullscreen() { }
virtual void exitFullscreen() { }
#endif
#if USE(NATIVE_FULLSCREEN_VIDEO)
virtual bool canEnterFullscreen() const { return false; }
#endif
#if USE(ACCELERATED_COMPOSITING)
// whether accelerated rendering is supported by the media engine for the current media.
virtual bool supportsAcceleratedRendering() const { return false; }
// called when the rendering system flips the into or out of accelerated rendering mode.
virtual void acceleratedRenderingStateChanged() { }
#endif
virtual bool hasSingleSecurityOrigin() const { return false; }
virtual bool didPassCORSAccessCheck() const { return false; }
virtual MediaPlayer::MovieLoadType movieLoadType() const { return MediaPlayer::Unknown; }
virtual void prepareForRendering() { }
// Time value in the movie's time scale. It is only necessary to override this if the media
// engine uses rational numbers to represent media time.
virtual float mediaTimeForTimeValue(float timeValue) const { return timeValue; }
virtual double mediaTimeForTimeValueDouble(double timeValue) const { return timeValue; }
// Overide this if it is safe for HTMLMediaElement to cache movie time and report
// 'currentTime' as [cached time + elapsed wall time]. Returns the maximum wall time
// it is OK to calculate movie time before refreshing the cached time.
virtual double maximumDurationToCacheMediaTime() const { return 0; }
virtual unsigned decodedFrameCount() const { return 0; }
virtual unsigned droppedFrameCount() const { return 0; }
virtual unsigned audioDecodedByteCount() const { return 0; }
virtual unsigned videoDecodedByteCount() const { return 0; }
void getSitesInMediaCache(Vector<String>&) { }
void clearMediaCache() { }
void clearMediaCacheForSite(const String&) { }
virtual void setPrivateBrowsingMode(bool) { }
virtual String engineDescription() const { return emptyString(); }
#if ENABLE(WEB_AUDIO)
virtual AudioSourceProvider* audioSourceProvider() { return 0; }
#endif
#if ENABLE(ENCRYPTED_MEDIA)
virtual MediaPlayer::MediaKeyException addKey(const String&, const unsigned char*, unsigned, const unsigned char*, unsigned, const String&) { return MediaPlayer::KeySystemNotSupported; }
virtual MediaPlayer::MediaKeyException generateKeyRequest(const String&, const unsigned char*, unsigned) { return MediaPlayer::KeySystemNotSupported; }
virtual MediaPlayer::MediaKeyException cancelKeyRequest(const String&, const String&) { return MediaPlayer::KeySystemNotSupported; }
#endif
#if ENABLE(VIDEO_TRACK)
virtual bool requiresTextTrackRepresentation() const { return false; }
virtual void setTextTrackRepresentation(TextTrackRepresentation*) { }
#endif
#if USE(PLATFORM_TEXT_TRACK_MENU)
virtual bool implementsTextTrackControls() const { return false; }
virtual PassRefPtr<PlatformTextTrackMenuInterface> textTrackMenu() { return 0; }
#endif
#if USE(GSTREAMER)
virtual void simulateAudioInterruption() { }
#endif
virtual String languageOfPrimaryAudioTrack() const { return emptyString(); }
virtual size_t extraMemoryCost() const { return 0; }
};
}
#endif
#endif
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