diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/avfoundation/MediaPlayerPrivateAVFoundation.cpp')
| -rw-r--r-- | Source/WebCore/platform/graphics/avfoundation/MediaPlayerPrivateAVFoundation.cpp | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/avfoundation/MediaPlayerPrivateAVFoundation.cpp b/Source/WebCore/platform/graphics/avfoundation/MediaPlayerPrivateAVFoundation.cpp new file mode 100644 index 0000000..eb96532 --- /dev/null +++ b/Source/WebCore/platform/graphics/avfoundation/MediaPlayerPrivateAVFoundation.cpp @@ -0,0 +1,731 @@ +/* + * Copyright (C) 2011 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. + */ + +#include "config.h" + +#if ENABLE(VIDEO) && USE(AVFOUNDATION) + +#include "MediaPlayerPrivateAVFoundation.h" + +#include "ApplicationCacheHost.h" +#include "DocumentLoader.h" +#include "FrameView.h" +#include "GraphicsContext.h" +#include "GraphicsLayer.h" +#include "KURL.h" +#include "Logging.h" +#include "SoftLinking.h" +#include "TimeRanges.h" +#include <CoreMedia/CoreMedia.h> +#include <wtf/UnusedParam.h> + +using namespace std; + +namespace WebCore { + +static const float invalidTime = -1.0f; + +MediaPlayerPrivateAVFoundation::MediaPlayerPrivateAVFoundation(MediaPlayer* player) + : m_player(player) + , m_queuedNotifications() + , m_queueMutex() + , m_mainThreadCallPending(false) + , m_networkState(MediaPlayer::Empty) + , m_readyState(MediaPlayer::HaveNothing) + , m_preload(MediaPlayer::Auto) + , m_scaleFactor(1, 1) + , m_cachedMaxTimeLoaded(0) + , m_cachedMaxTimeSeekable(0) + , m_cachedDuration(invalidTime) + , m_reportedDuration(invalidTime) + , m_seekTo(invalidTime) + , m_requestedRate(1) + , m_delayCallbacks(false) + , m_havePreparedToPlay(false) + , m_assetIsPlayable(false) + , m_visible(false) + , m_videoFrameHasDrawn(false) + , m_loadingMetadata(false) + , m_delayingLoad(false) + , m_isAllowedToRender(false) + , m_cachedHasAudio(false) + , m_cachedHasVideo(false) + , m_cachedHasCaptions(false) + , m_ignoreLoadStateChanges(false) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::MediaPlayerPrivateAVFoundation(%p)", this); +} + +MediaPlayerPrivateAVFoundation::~MediaPlayerPrivateAVFoundation() +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::~MediaPlayerPrivateAVFoundation(%p)", this); + cancelCallOnMainThread(mainThreadCallback, this); +} + +MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::currentRenderingMode() const +{ +#if USE(ACCELERATED_COMPOSITING) + if (platformLayer()) + return MediaRenderingToLayer; +#endif + + if (hasContextRenderer()) + return MediaRenderingToContext; + + return MediaRenderingNone; +} + +MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::preferredRenderingMode() const +{ + if (!m_player->visible() || !m_player->frameView() || assetStatus() == MediaPlayerAVAssetStatusUnknown) + return MediaRenderingNone; + +#if USE(ACCELERATED_COMPOSITING) + if (supportsAcceleratedRendering() && m_player->mediaPlayerClient()->mediaPlayerRenderingCanBeAccelerated(m_player)) + return MediaRenderingToLayer; +#endif + + return MediaRenderingToContext; +} + +void MediaPlayerPrivateAVFoundation::setUpVideoRendering() +{ + if (!isReadyForVideoSetup()) + return; + + MediaRenderingMode currentMode = currentRenderingMode(); + MediaRenderingMode preferredMode = preferredRenderingMode(); + if (currentMode == preferredMode && currentMode != MediaRenderingNone) + return; + + LOG(Media, "MediaPlayerPrivateAVFoundation::setUpVideoRendering(%p) - current mode = %d, preferred mode = %d", + this, static_cast<int>(currentMode), static_cast<int>(preferredMode)); + + if (currentMode != MediaRenderingNone) + tearDownVideoRendering(); + + switch (preferredMode) { + case MediaRenderingNone: + case MediaRenderingToContext: + createContextVideoRenderer(); + break; + +#if USE(ACCELERATED_COMPOSITING) + case MediaRenderingToLayer: + createVideoLayer(); + break; +#endif + } + +#if USE(ACCELERATED_COMPOSITING) + // If using a movie layer, inform the client so the compositing tree is updated. + if (currentMode == MediaRenderingToLayer || preferredMode == MediaRenderingToLayer) { + LOG(Media, "MediaPlayerPrivateAVFoundation::setUpVideoRendering(%p) - calling mediaPlayerRenderingModeChanged()", this); + m_player->mediaPlayerClient()->mediaPlayerRenderingModeChanged(m_player); + } +#endif +} + +void MediaPlayerPrivateAVFoundation::tearDownVideoRendering() +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::tearDownVideoRendering(%p)", this); + + destroyContextVideoRenderer(); + +#if USE(ACCELERATED_COMPOSITING) + if (platformLayer()) + destroyVideoLayer(); +#endif +} + +bool MediaPlayerPrivateAVFoundation::hasSetUpVideoRendering() const +{ + return hasLayerRenderer() || hasContextRenderer(); +} + +void MediaPlayerPrivateAVFoundation::resumeLoad() +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::resumeLoad(%p)", this); + + ASSERT(m_delayingLoad); + m_delayingLoad = false; + + if (m_assetURL.length()) + prepareToPlay(); +} + +void MediaPlayerPrivateAVFoundation::load(const String& url) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::load(%p)", this); + + if (m_networkState != MediaPlayer::Loading) { + m_networkState = MediaPlayer::Loading; + m_player->networkStateChanged(); + } + if (m_readyState != MediaPlayer::HaveNothing) { + m_readyState = MediaPlayer::HaveNothing; + m_player->readyStateChanged(); + } + + m_videoFrameHasDrawn = false; + m_assetURL = url; + + // Don't do any more work if the url is empty. + if (!url.length()) + return; + + if (m_preload == MediaPlayer::None) { + LOG(Media, "MediaPlayerPrivateAVFoundation::load(%p) - preload==none so returning", this); + m_delayingLoad = true; + return; + } + + prepareToPlay(); +} + +void MediaPlayerPrivateAVFoundation::playabilityKnown() +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::playabilityKnown(%p)", this); + + updateStates(); + if (m_assetIsPlayable) + return; + + // Nothing more to do if we already have all of the item's metadata. + if (assetStatus() > MediaPlayerAVAssetStatusLoading) { + LOG(Media, "MediaPlayerPrivateAVFoundation::playabilityKnown(%p) - all metadata loaded", this); + return; + } + + // At this point we are supposed to load metadata. It is OK to ask the asset to load the same + // information multiple times, because if it has already been loaded the completion handler + // will just be called synchronously. + m_loadingMetadata = true; + beginLoadingMetadata(); +} + +void MediaPlayerPrivateAVFoundation::prepareToPlay() +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::prepareToPlay(%p)", this); + + m_preload = MediaPlayer::Auto; + if (m_havePreparedToPlay) + return; + m_havePreparedToPlay = true; + + m_delayingLoad = false; +#if ENABLE(OFFLINE_WEB_APPLICATIONS) + Frame* frame = m_player->frameView() ? m_player->frameView()->frame() : 0; + ApplicationCacheHost* cacheHost = frame ? frame->loader()->documentLoader()->applicationCacheHost() : 0; + ApplicationCacheResource* resource = 0; + if (cacheHost && cacheHost->shouldLoadResourceFromApplicationCache(ResourceRequest(m_assetURL), resource) && resource) + createAVPlayerForCacheResource(resource); + else +#endif + createAVPlayerForURL(m_assetURL); + checkPlayability(); +} + +void MediaPlayerPrivateAVFoundation::paint(GraphicsContext*, const IntRect&) +{ + // This is the base class, only need to remember that a frame has been drawn. + m_videoFrameHasDrawn = true; +} + +float MediaPlayerPrivateAVFoundation::duration() const +{ + if (!metaDataAvailable()) + return 0; + + if (m_cachedDuration == invalidTime) { + m_cachedDuration = platformDuration(); + LOG(Media, "MediaPlayerPrivateAVFMac::duration(%p) - caching %f", this, m_cachedDuration); + } + + return m_cachedDuration; +} + +void MediaPlayerPrivateAVFoundation::seek(float time) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::seek(%p) - seeking to %f", this, time); + if (!metaDataAvailable()) + return; + + if (time > duration()) + time = duration(); + + m_seekTo = time; + + seekToTime(time); +} + +void MediaPlayerPrivateAVFoundation::setRate(float rate) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::setRate(%p) - seting to %f", this, rate); + m_requestedRate = rate; +} + +bool MediaPlayerPrivateAVFoundation::paused() const +{ + if (!metaDataAvailable()) + return true; + + return rate() == 0; +} + +bool MediaPlayerPrivateAVFoundation::seeking() const +{ + if (!metaDataAvailable()) + return false; + + return m_seekTo != invalidTime; +} + +IntSize MediaPlayerPrivateAVFoundation::naturalSize() const +{ + if (!metaDataAvailable()) + return IntSize(); + + // In spite of the name of this method, return the natural size transformed by the + // initial movie scale because the spec says intrinsic size is: + // + // ... the dimensions of the resource in CSS pixels after taking into account the resource's + // dimensions, aspect ratio, clean aperture, resolution, and so forth, as defined for the + // format used by the resource + + return m_cachedNaturalSize; +} + +void MediaPlayerPrivateAVFoundation::setNaturalSize(IntSize size) +{ + IntSize oldSize = m_cachedNaturalSize; + m_cachedNaturalSize = size; + if (oldSize != m_cachedNaturalSize) + m_player->sizeChanged(); +} + +PassRefPtr<TimeRanges> MediaPlayerPrivateAVFoundation::buffered() const +{ + if (!m_cachedLoadedTimeRanges) + m_cachedLoadedTimeRanges = platformBufferedTimeRanges(); + + return m_cachedLoadedTimeRanges->copy(); +} + +float MediaPlayerPrivateAVFoundation::maxTimeSeekable() const +{ + if (!metaDataAvailable()) + return 0; + + if (!m_cachedMaxTimeSeekable) + m_cachedMaxTimeSeekable = platformMaxTimeSeekable(); + + LOG(Media, "MediaPlayerPrivateAVFoundation::maxTimeSeekable(%p) - returning %f", this, m_cachedMaxTimeSeekable); + return m_cachedMaxTimeSeekable; +} + +float MediaPlayerPrivateAVFoundation::maxTimeLoaded() const +{ + if (!metaDataAvailable()) + return 0; + + if (!m_cachedMaxTimeLoaded) + m_cachedMaxTimeLoaded = platformMaxTimeLoaded(); + + return m_cachedMaxTimeLoaded; +} + +unsigned MediaPlayerPrivateAVFoundation::bytesLoaded() const +{ + float dur = duration(); + if (!dur) + return 0; + unsigned loaded = totalBytes() * maxTimeLoaded() / dur; + LOG(Media, "MediaPlayerPrivateAVFoundation::bytesLoaded(%p) - returning %i", this, loaded); + return loaded; +} + +bool MediaPlayerPrivateAVFoundation::isReadyForVideoSetup() const +{ + return m_isAllowedToRender && m_readyState >= MediaPlayer::HaveMetadata && m_player->visible(); +} + +void MediaPlayerPrivateAVFoundation::prepareForRendering() +{ + if (m_isAllowedToRender) + return; + m_isAllowedToRender = true; + + setUpVideoRendering(); + + if (currentRenderingMode() == MediaRenderingToLayer || preferredRenderingMode() == MediaRenderingToLayer) + m_player->mediaPlayerClient()->mediaPlayerRenderingModeChanged(m_player); +} + +bool MediaPlayerPrivateAVFoundation::supportsFullscreen() const +{ +#if ENABLE(FULLSCREEN_API) + return true; +#else + // FIXME: WebVideoFullscreenController assumes a QTKit/QuickTime media engine + return false; +#endif +} + +void MediaPlayerPrivateAVFoundation::updateStates() +{ + MediaPlayer::NetworkState oldNetworkState = m_networkState; + MediaPlayer::ReadyState oldReadyState = m_readyState; + + LOG(Media, "MediaPlayerPrivateAVFoundation::updateStates(%p) - entering with networkState = %i, readyState = %i", + this, static_cast<int>(m_networkState), static_cast<int>(m_readyState)); + + if (m_loadingMetadata) + m_networkState = MediaPlayer::Loading; + else { + // -loadValuesAsynchronouslyForKeys:completionHandler: has invoked its handler; test status of keys and determine state. + AVAssetStatus avAssetStatus = assetStatus(); + ItemStatus itemStatus = playerItemStatus(); + + m_assetIsPlayable = (avAssetStatus == MediaPlayerAVAssetStatusPlayable); + if (m_readyState < MediaPlayer::HaveMetadata && avAssetStatus > MediaPlayerAVAssetStatusLoading) { + if (m_assetIsPlayable) { + if (itemStatus == MediaPlayerAVPlayerItemStatusUnknown) { + if (avAssetStatus == MediaPlayerAVAssetStatusFailed || m_preload > MediaPlayer::MetaData) { + // We may have a playable asset that doesn't support inspection prior to playback; go ahead + // and create the AVPlayerItem now. When the AVPlayerItem becomes ready to play, we will + // have access to its metadata. Or we may have been asked to become ready to play immediately. + m_networkState = MediaPlayer::Loading; + prepareToPlay(); + } else + m_networkState = MediaPlayer::Idle; + } + if (avAssetStatus == MediaPlayerAVAssetStatusLoaded) + m_readyState = MediaPlayer::HaveMetadata; + } else { + // FIX ME: fetch the error associated with the @"playable" key to distinguish between format + // and network errors. + m_networkState = MediaPlayer::FormatError; + } + } + + if (avAssetStatus >= MediaPlayerAVAssetStatusLoaded && itemStatus > MediaPlayerAVPlayerItemStatusUnknown) { + if (seeking()) + m_readyState = m_readyState >= MediaPlayer::HaveMetadata ? MediaPlayer::HaveMetadata : MediaPlayer::HaveNothing; + else { + float maxLoaded = maxTimeLoaded(); + switch (itemStatus) { + case MediaPlayerAVPlayerItemStatusUnknown: + break; + case MediaPlayerAVPlayerItemStatusFailed: + m_networkState = MediaPlayer::DecodeError; + break; + case MediaPlayerAVPlayerItemStatusPlaybackLikelyToKeepUp: + m_readyState = MediaPlayer::HaveEnoughData; + break; + case MediaPlayerAVPlayerItemStatusReadyToPlay: + case MediaPlayerAVPlayerItemStatusPlaybackBufferEmpty: + case MediaPlayerAVPlayerItemStatusPlaybackBufferFull: + if (maxLoaded > currentTime()) + m_readyState = MediaPlayer::HaveFutureData; + else + m_readyState = MediaPlayer::HaveCurrentData; + break; + } + + if (itemStatus >= MediaPlayerAVPlayerItemStatusReadyToPlay) + m_networkState = (maxLoaded == duration()) ? MediaPlayer::Loaded : MediaPlayer::Loading; + } + } + } + + if (isReadyForVideoSetup() && currentRenderingMode() != preferredRenderingMode()) + setUpVideoRendering(); + + if (m_networkState != oldNetworkState) + m_player->networkStateChanged(); + + if (m_readyState != oldReadyState) + m_player->readyStateChanged(); + + LOG(Media, "MediaPlayerPrivateAVFoundation::updateStates(%p) - exiting with networkState = %i, readyState = %i", + this, static_cast<int>(m_networkState), static_cast<int>(m_readyState)); +} + +void MediaPlayerPrivateAVFoundation::setSize(const IntSize&) +{ +} + +void MediaPlayerPrivateAVFoundation::setVisible(bool visible) +{ + if (m_visible == visible) + return; + + m_visible = visible; + if (visible) + setUpVideoRendering(); + else + tearDownVideoRendering(); +} + +bool MediaPlayerPrivateAVFoundation::hasAvailableVideoFrame() const +{ + if (currentRenderingMode() == MediaRenderingToLayer) + return videoLayerIsReadyToDisplay(); + + // When using the software renderer we hope someone will signal that a frame is available so we might as well + // wait until we know that a frame has been drawn. + return m_videoFrameHasDrawn; +} + +void MediaPlayerPrivateAVFoundation::acceleratedRenderingStateChanged() +{ + // Set up or change the rendering path if necessary. + setUpVideoRendering(); +} + +void MediaPlayerPrivateAVFoundation::metadataLoaded() +{ + m_loadingMetadata = false; + updateStates(); +} + +void MediaPlayerPrivateAVFoundation::loadStateChanged() +{ + if (m_ignoreLoadStateChanges) + return; + updateStates(); +} + +void MediaPlayerPrivateAVFoundation::rateChanged() +{ + updateStates(); + m_player->rateChanged(); +} + +void MediaPlayerPrivateAVFoundation::loadedTimeRangesChanged() +{ + m_cachedLoadedTimeRanges = 0; + m_cachedMaxTimeLoaded = 0; + updateStates(); + + // For some media files, reported duration is estimated and updated as media is loaded + // so report duration changed when the estimate is upated. + float dur = duration(); + if (dur != m_reportedDuration) { + if (m_reportedDuration != invalidTime) + m_player->durationChanged(); + m_reportedDuration = dur; + } +} + +void MediaPlayerPrivateAVFoundation::seekableTimeRangesChanged() +{ + m_cachedMaxTimeSeekable = 0; +} + +void MediaPlayerPrivateAVFoundation::timeChanged(double time) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::timeChanged(%p) - time = %f", this, time); + + if (m_seekTo == invalidTime) + return; + + // AVFoundation may call our observer more than once during a seek, and we can't currently tell + // if we will be able to seek to an exact time, so assume that we are done seeking if we are + // "close enough" to the seek time. + const double smallSeekDelta = 1.0 / 100; + + float currentRate = rate(); + if ((currentRate > 0 && time >= m_seekTo) || (currentRate < 0 && time <= m_seekTo) || (abs(m_seekTo - time) <= smallSeekDelta)) { + m_seekTo = invalidTime; + updateStates(); + m_player->timeChanged(); + } +} + +void MediaPlayerPrivateAVFoundation::didEnd() +{ + // Hang onto the current time and use it as duration from now on since we are definitely at + // the end of the movie. Do this because the initial duration is sometimes an estimate. + float now = currentTime(); + if (now > 0) + m_cachedDuration = now; + + updateStates(); + m_player->timeChanged(); +} + +void MediaPlayerPrivateAVFoundation::repaint() +{ + m_videoFrameHasDrawn = true; + m_player->repaint(); +} + +MediaPlayer::MovieLoadType MediaPlayerPrivateAVFoundation::movieLoadType() const +{ + if (!metaDataAvailable() || assetStatus() == MediaPlayerAVAssetStatusUnknown) + return MediaPlayer::Unknown; + + if (isinf(duration())) + return MediaPlayer::LiveStream; + + return MediaPlayer::Download; +} + +void MediaPlayerPrivateAVFoundation::setPreload(MediaPlayer::Preload preload) +{ + m_preload = preload; + if (m_delayingLoad && m_preload != MediaPlayer::None) + resumeLoad(); +} + +void MediaPlayerPrivateAVFoundation::setDelayCallbacks(bool delay) +{ + MutexLocker lock(m_queueMutex); + if (delay) + ++m_delayCallbacks; + else { + ASSERT(m_delayCallbacks); + --m_delayCallbacks; + } +} + +void MediaPlayerPrivateAVFoundation::mainThreadCallback(void* context) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::mainThreadCallback(%p)", context); + MediaPlayerPrivateAVFoundation* player = static_cast<MediaPlayerPrivateAVFoundation*>(context); + player->clearMainThreadPendingFlag(); + player->dispatchNotification(); +} + +void MediaPlayerPrivateAVFoundation::clearMainThreadPendingFlag() +{ + MutexLocker lock(m_queueMutex); + m_mainThreadCallPending = false; +} + +void MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(Notification::Type type, double time) +{ + LOG(Media, "MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(%p) - notification %d", this, static_cast<int>(type)); + m_queueMutex.lock(); + + // It is important to always process the properties in the order that we are notified, + // so always go through the queue because notifications happen on different threads. + m_queuedNotifications.append(Notification(type, time)); + + bool delayDispatch = m_delayCallbacks || !isMainThread(); + if (delayDispatch && !m_mainThreadCallPending) { + m_mainThreadCallPending = true; + callOnMainThread(mainThreadCallback, this); + } + + m_queueMutex.unlock(); + + if (delayDispatch) { + LOG(Media, "MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(%p) - early return", this); + return; + } + + dispatchNotification(); +} + +void MediaPlayerPrivateAVFoundation::dispatchNotification() +{ + ASSERT(isMainThread()); + + Notification notification = Notification(); + { + MutexLocker lock(m_queueMutex); + + if (m_queuedNotifications.isEmpty()) + return; + + if (!m_delayCallbacks) { + // Only dispatch one notification callback per invocation because they can cause recursion. + notification = m_queuedNotifications.first(); + m_queuedNotifications.remove(0); + } + + if (!m_queuedNotifications.isEmpty() && !m_mainThreadCallPending) + callOnMainThread(mainThreadCallback, this); + + if (!notification.isValid()) + return; + } + + LOG(Media, "MediaPlayerPrivateAVFoundation::dispatchNotification(%p) - dispatching %d", this, static_cast<int>(notification.type())); + + switch (notification.type()) { + case Notification::ItemDidPlayToEndTime: + didEnd(); + break; + case Notification::ItemTracksChanged: + tracksChanged(); + break; + case Notification::ItemStatusChanged: + loadStateChanged(); + break; + case Notification::ItemSeekableTimeRangesChanged: + seekableTimeRangesChanged(); + loadStateChanged(); + break; + case Notification::ItemLoadedTimeRangesChanged: + loadedTimeRangesChanged(); + loadStateChanged(); + break; + case Notification::ItemPresentationSizeChanged: + sizeChanged(); + break; + case Notification::ItemIsPlaybackLikelyToKeepUpChanged: + loadStateChanged(); + break; + case Notification::ItemIsPlaybackBufferEmptyChanged: + loadStateChanged(); + break; + case Notification::ItemIsPlaybackBufferFullChanged: + loadStateChanged(); + break; + case Notification::PlayerRateChanged: + rateChanged(); + break; + case Notification::PlayerTimeChanged: + timeChanged(notification.time()); + break; + case Notification::AssetMetadataLoaded: + metadataLoaded(); + break; + case Notification::AssetPlayabilityKnown: + playabilityKnown(); + break; + case Notification::None: + ASSERT_NOT_REACHED(); + break; + } +} + +} // namespace WebCore + +#endif |