| /* |
| * Copyright (C) 2011-2014 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. ``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 |
| * 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 "CustomHeaderFields.h" |
| #include "DeprecatedGlobalSettings.h" |
| #include "DocumentLoader.h" |
| #include "FloatConversion.h" |
| #include "GraphicsContext.h" |
| #include "InbandTextTrackPrivateAVF.h" |
| #include "InbandTextTrackPrivateClient.h" |
| #include "Logging.h" |
| #include "PlatformLayer.h" |
| #include "PlatformTimeRanges.h" |
| #include "Settings.h" |
| #include <CoreMedia/CoreMedia.h> |
| #include <JavaScriptCore/DataView.h> |
| #include <JavaScriptCore/HeapInlines.h> |
| #include <JavaScriptCore/TypedArrayInlines.h> |
| #include <JavaScriptCore/Uint16Array.h> |
| #include <wtf/MainThread.h> |
| #include <wtf/NeverDestroyed.h> |
| #include <wtf/SoftLinking.h> |
| #include <wtf/StringPrintStream.h> |
| #include <wtf/URL.h> |
| #include <wtf/text/CString.h> |
| |
| namespace WebCore { |
| |
| MediaPlayerPrivateAVFoundation::MediaPlayerPrivateAVFoundation(MediaPlayer* player) |
| : m_player(player) |
| , m_queuedNotifications() |
| , m_queueMutex() |
| , m_networkState(MediaPlayer::Empty) |
| , m_readyState(MediaPlayer::HaveNothing) |
| , m_preload(MediaPlayer::Auto) |
| #if !RELEASE_LOG_DISABLED |
| , m_logger(player->mediaPlayerLogger()) |
| , m_logIdentifier(player->mediaPlayerLogIdentifier()) |
| #endif |
| , m_cachedDuration(MediaTime::invalidTime()) |
| , m_reportedDuration(MediaTime::invalidTime()) |
| , m_maxTimeLoadedAtLastDidLoadingProgress(MediaTime::invalidTime()) |
| , m_delayCallbacks(0) |
| , m_delayCharacteristicsChangedNotification(0) |
| , m_mainThreadCallPending(false) |
| , m_assetIsPlayable(false) |
| , m_visible(false) |
| , m_loadingMetadata(false) |
| , m_isAllowedToRender(false) |
| , m_cachedHasAudio(false) |
| , m_cachedHasVideo(false) |
| , m_cachedHasCaptions(false) |
| , m_ignoreLoadStateChanges(false) |
| , m_haveReportedFirstVideoFrame(false) |
| , m_inbandTrackConfigurationPending(false) |
| , m_characteristicsChanged(false) |
| , m_shouldMaintainAspectRatio(true) |
| , m_seeking(false) |
| { |
| INFO_LOG(LOGIDENTIFIER); |
| } |
| |
| MediaPlayerPrivateAVFoundation::~MediaPlayerPrivateAVFoundation() |
| { |
| INFO_LOG(LOGIDENTIFIER); |
| setIgnoreLoadStateChanges(true); |
| } |
| |
| MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::currentRenderingMode() const |
| { |
| if (platformLayer()) |
| return MediaRenderingToLayer; |
| |
| if (hasContextRenderer()) |
| return MediaRenderingToContext; |
| |
| return MediaRenderingNone; |
| } |
| |
| MediaPlayerPrivateAVFoundation::MediaRenderingMode MediaPlayerPrivateAVFoundation::preferredRenderingMode() const |
| { |
| if (!m_player->visible() || assetStatus() == MediaPlayerAVAssetStatusUnknown) |
| return MediaRenderingNone; |
| |
| if (supportsAcceleratedRendering() && m_player->renderingCanBeAccelerated()) |
| return MediaRenderingToLayer; |
| |
| return MediaRenderingToContext; |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setUpVideoRendering() |
| { |
| if (!isReadyForVideoSetup()) |
| return; |
| |
| MediaRenderingMode currentMode = currentRenderingMode(); |
| MediaRenderingMode preferredMode = preferredRenderingMode(); |
| |
| if (preferredMode == MediaRenderingNone) |
| preferredMode = MediaRenderingToContext; |
| |
| if (currentMode == preferredMode && currentMode != MediaRenderingNone) |
| return; |
| |
| if (currentMode != MediaRenderingNone) |
| tearDownVideoRendering(); |
| |
| switch (preferredMode) { |
| case MediaRenderingNone: |
| case MediaRenderingToContext: |
| createContextVideoRenderer(); |
| break; |
| |
| case MediaRenderingToLayer: |
| createVideoLayer(); |
| break; |
| } |
| |
| // If using a movie layer, inform the client so the compositing tree is updated. |
| if (currentMode == MediaRenderingToLayer || preferredMode == MediaRenderingToLayer) |
| m_player->renderingModeChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::tearDownVideoRendering() |
| { |
| INFO_LOG(LOGIDENTIFIER); |
| |
| destroyContextVideoRenderer(); |
| |
| if (platformLayer()) |
| destroyVideoLayer(); |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::hasSetUpVideoRendering() const |
| { |
| return hasLayerRenderer() || hasContextRenderer(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::load(const String& url) |
| { |
| ALWAYS_LOG(LOGIDENTIFIER); |
| |
| setNetworkState(m_preload == MediaPlayer::None ? MediaPlayer::Idle : MediaPlayer::Loading); |
| setReadyState(MediaPlayer::HaveNothing); |
| |
| m_assetURL = URL({ }, url); |
| m_requestedOrigin = SecurityOrigin::create(m_assetURL); |
| |
| // Don't do any more work if the url is empty. |
| if (!url.length()) |
| return; |
| |
| setPreload(m_preload); |
| } |
| |
| #if ENABLE(MEDIA_SOURCE) |
| void MediaPlayerPrivateAVFoundation::load(const String&, MediaSourcePrivateClient*) |
| { |
| setNetworkState(MediaPlayer::FormatError); |
| } |
| #endif |
| |
| |
| void MediaPlayerPrivateAVFoundation::playabilityKnown() |
| { |
| INFO_LOG(LOGIDENTIFIER, "metadata loaded = ", assetStatus() > MediaPlayerAVAssetStatusLoading); |
| |
| if (m_assetIsPlayable) |
| return; |
| |
| // Nothing more to do if we already have all of the item's metadata. |
| if (assetStatus() > MediaPlayerAVAssetStatusLoading) |
| 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() |
| { |
| ALWAYS_LOG(LOGIDENTIFIER); |
| setPreload(MediaPlayer::Auto); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::play() |
| { |
| ALWAYS_LOG(LOGIDENTIFIER); |
| platformPlay(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::pause() |
| { |
| ALWAYS_LOG(LOGIDENTIFIER); |
| platformPause(); |
| } |
| |
| MediaTime MediaPlayerPrivateAVFoundation::durationMediaTime() const |
| { |
| if (m_cachedDuration.isValid()) |
| return m_cachedDuration; |
| |
| MediaTime duration = platformDuration(); |
| if (!duration || duration.isInvalid()) |
| return MediaTime::zeroTime(); |
| |
| m_cachedDuration = duration; |
| |
| return m_cachedDuration; |
| } |
| |
| void MediaPlayerPrivateAVFoundation::seek(const MediaTime& time) |
| { |
| seekWithTolerance(time, MediaTime::zeroTime(), MediaTime::zeroTime()); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::seekWithTolerance(const MediaTime& mediaTime, const MediaTime& negativeTolerance, const MediaTime& positiveTolerance) |
| { |
| MediaTime time = mediaTime; |
| |
| if (m_seeking) { |
| ALWAYS_LOG(LOGIDENTIFIER, "saving pending seek"); |
| m_pendingSeek = [this, time, negativeTolerance, positiveTolerance]() { |
| seekWithTolerance(time, negativeTolerance, positiveTolerance); |
| }; |
| return; |
| } |
| m_seeking = true; |
| |
| if (!metaDataAvailable()) |
| return; |
| |
| if (time > durationMediaTime()) |
| time = durationMediaTime(); |
| |
| if (currentTextTrack()) |
| currentTextTrack()->beginSeeking(); |
| |
| ALWAYS_LOG(LOGIDENTIFIER, "seeking to ", time); |
| |
| seekToTime(time, negativeTolerance, positiveTolerance); |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::paused() const |
| { |
| if (!metaDataAvailable()) |
| return true; |
| |
| return platformPaused(); |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::seeking() const |
| { |
| if (!metaDataAvailable()) |
| return false; |
| |
| return m_seeking; |
| } |
| |
| FloatSize 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(FloatSize size) |
| { |
| FloatSize oldSize = m_cachedNaturalSize; |
| m_cachedNaturalSize = size; |
| if (oldSize != m_cachedNaturalSize) { |
| INFO_LOG(LOGIDENTIFIER, "was ", oldSize.width(), " x ", oldSize.height(), ", is ", size.width(), " x ", size.height()); |
| m_player->sizeChanged(); |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setHasVideo(bool b) |
| { |
| if (m_cachedHasVideo != b) { |
| m_cachedHasVideo = b; |
| characteristicsChanged(); |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setHasAudio(bool b) |
| { |
| if (m_cachedHasAudio != b) { |
| m_cachedHasAudio = b; |
| characteristicsChanged(); |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setHasClosedCaptions(bool b) |
| { |
| if (m_cachedHasCaptions != b) { |
| m_cachedHasCaptions = b; |
| characteristicsChanged(); |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setNetworkState(MediaPlayer::NetworkState state) |
| { |
| if (state == m_networkState) |
| return; |
| |
| m_networkState = state; |
| m_player->networkStateChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setReadyState(MediaPlayer::ReadyState state) |
| { |
| if (state == m_readyState) |
| return; |
| |
| m_readyState = state; |
| m_player->readyStateChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::characteristicsChanged() |
| { |
| if (m_delayCharacteristicsChangedNotification) { |
| m_characteristicsChanged = true; |
| return; |
| } |
| |
| m_characteristicsChanged = false; |
| m_player->characteristicChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setDelayCharacteristicsChangedNotification(bool delay) |
| { |
| if (delay) { |
| m_delayCharacteristicsChangedNotification++; |
| return; |
| } |
| |
| ASSERT(m_delayCharacteristicsChangedNotification); |
| m_delayCharacteristicsChangedNotification--; |
| if (!m_delayCharacteristicsChangedNotification && m_characteristicsChanged) |
| characteristicsChanged(); |
| } |
| |
| std::unique_ptr<PlatformTimeRanges> MediaPlayerPrivateAVFoundation::buffered() const |
| { |
| if (!m_cachedLoadedTimeRanges) |
| m_cachedLoadedTimeRanges = platformBufferedTimeRanges(); |
| |
| return makeUnique<PlatformTimeRanges>(*m_cachedLoadedTimeRanges); |
| } |
| |
| MediaTime MediaPlayerPrivateAVFoundation::maxMediaTimeSeekable() const |
| { |
| if (!metaDataAvailable()) |
| return MediaTime::zeroTime(); |
| |
| if (!m_cachedMaxTimeSeekable) |
| m_cachedMaxTimeSeekable = platformMaxTimeSeekable(); |
| |
| return m_cachedMaxTimeSeekable; |
| } |
| |
| MediaTime MediaPlayerPrivateAVFoundation::minMediaTimeSeekable() const |
| { |
| if (!metaDataAvailable()) |
| return MediaTime::zeroTime(); |
| |
| if (!m_cachedMinTimeSeekable) |
| m_cachedMinTimeSeekable = platformMinTimeSeekable(); |
| |
| return m_cachedMinTimeSeekable; |
| } |
| |
| double MediaPlayerPrivateAVFoundation::requestedRate() const |
| { |
| return m_player->requestedRate(); |
| } |
| |
| MediaTime MediaPlayerPrivateAVFoundation::maxTimeLoaded() const |
| { |
| if (!metaDataAvailable()) |
| return MediaTime::zeroTime(); |
| |
| if (!m_cachedMaxTimeLoaded) |
| m_cachedMaxTimeLoaded = platformMaxTimeLoaded(); |
| |
| return m_cachedMaxTimeLoaded; |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::didLoadingProgress() const |
| { |
| if (!durationMediaTime()) |
| return false; |
| MediaTime currentMaxTimeLoaded = maxTimeLoaded(); |
| bool didLoadingProgress = currentMaxTimeLoaded != m_maxTimeLoadedAtLastDidLoadingProgress; |
| m_maxTimeLoadedAtLastDidLoadingProgress = currentMaxTimeLoaded; |
| |
| return didLoadingProgress; |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::isReadyForVideoSetup() const |
| { |
| // AVFoundation will not return true for firstVideoFrameAvailable until |
| // an AVPlayerLayer has been added to the AVPlayerItem, so allow video setup |
| // here if a video track to trigger allocation of a AVPlayerLayer. |
| return (m_isAllowedToRender || m_cachedHasVideo) && 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->renderingModeChanged(); |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::supportsFullscreen() const |
| { |
| #if ENABLE(FULLSCREEN_API) |
| return true; |
| #else |
| // FIXME: WebVideoFullscreenController assumes a QTKit/QuickTime media engine |
| #if PLATFORM(IOS_FAMILY) |
| if (DeprecatedGlobalSettings::avKitEnabled()) |
| return true; |
| #endif |
| return false; |
| #endif |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::hasSingleSecurityOrigin() const |
| { |
| if (m_resolvedOrigin && m_requestedOrigin) |
| return m_resolvedOrigin->isSameSchemeHostPort(*m_requestedOrigin); |
| return false; |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setResolvedURL(URL&& resolvedURL) |
| { |
| m_resolvedURL = WTFMove(resolvedURL); |
| m_resolvedOrigin = SecurityOrigin::create(m_resolvedURL); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::updateStates() |
| { |
| if (m_ignoreLoadStateChanges) |
| return; |
| |
| MediaPlayer::NetworkState newNetworkState = m_networkState; |
| MediaPlayer::ReadyState newReadyState = m_readyState; |
| |
| if (m_loadingMetadata) |
| newNetworkState = MediaPlayer::Loading; |
| else { |
| // -loadValuesAsynchronouslyForKeys:completionHandler: has invoked its handler; test status of keys and determine state. |
| AssetStatus assetStatus = this->assetStatus(); |
| ItemStatus itemStatus = playerItemStatus(); |
| |
| m_assetIsPlayable = (assetStatus == MediaPlayerAVAssetStatusPlayable); |
| if (m_readyState < MediaPlayer::HaveMetadata && assetStatus > MediaPlayerAVAssetStatusLoading) { |
| if (m_assetIsPlayable) { |
| if (assetStatus >= MediaPlayerAVAssetStatusLoaded) |
| newReadyState = MediaPlayer::HaveMetadata; |
| if (itemStatus <= MediaPlayerAVPlayerItemStatusUnknown) { |
| if (assetStatus == MediaPlayerAVAssetStatusFailed || m_preload > MediaPlayer::MetaData || isLiveStream()) { |
| // The asset is playable but doesn't support inspection prior to playback (eg. streaming files), |
| // or we are supposed to prepare for playback immediately, so create the player item now. |
| newNetworkState = MediaPlayer::Loading; |
| prepareToPlay(); |
| } else |
| newNetworkState = MediaPlayer::Idle; |
| } |
| } else { |
| // FIX ME: fetch the error associated with the @"playable" key to distinguish between format |
| // and network errors. |
| newNetworkState = MediaPlayer::FormatError; |
| } |
| } |
| |
| if (assetStatus >= MediaPlayerAVAssetStatusLoaded && itemStatus > MediaPlayerAVPlayerItemStatusUnknown) { |
| switch (itemStatus) { |
| case MediaPlayerAVPlayerItemStatusDoesNotExist: |
| case MediaPlayerAVPlayerItemStatusUnknown: |
| case MediaPlayerAVPlayerItemStatusFailed: |
| break; |
| |
| case MediaPlayerAVPlayerItemStatusPlaybackLikelyToKeepUp: |
| case MediaPlayerAVPlayerItemStatusPlaybackBufferFull: |
| // If the status becomes PlaybackBufferFull, loading stops and the status will not |
| // progress to LikelyToKeepUp. Set the readyState to HAVE_ENOUGH_DATA, on the |
| // presumption that if the playback buffer is full, playback will probably not stall. |
| newReadyState = MediaPlayer::HaveEnoughData; |
| break; |
| |
| case MediaPlayerAVPlayerItemStatusReadyToPlay: |
| if (m_readyState != MediaPlayer::HaveEnoughData && maxTimeLoaded() > currentMediaTime()) |
| newReadyState = MediaPlayer::HaveFutureData; |
| break; |
| |
| case MediaPlayerAVPlayerItemStatusPlaybackBufferEmpty: |
| newReadyState = MediaPlayer::HaveCurrentData; |
| break; |
| } |
| |
| if (itemStatus == MediaPlayerAVPlayerItemStatusPlaybackBufferFull) |
| newNetworkState = MediaPlayer::Idle; |
| else if (itemStatus == MediaPlayerAVPlayerItemStatusFailed) |
| newNetworkState = MediaPlayer::DecodeError; |
| else if (itemStatus != MediaPlayerAVPlayerItemStatusPlaybackBufferFull && itemStatus >= MediaPlayerAVPlayerItemStatusReadyToPlay) |
| newNetworkState = (maxTimeLoaded() == durationMediaTime()) ? MediaPlayer::Loaded : MediaPlayer::Loading; |
| } |
| } |
| |
| if (isReadyForVideoSetup() && currentRenderingMode() != preferredRenderingMode()) |
| setUpVideoRendering(); |
| |
| if (!m_haveReportedFirstVideoFrame && m_cachedHasVideo && hasAvailableVideoFrame()) { |
| if (m_readyState < MediaPlayer::HaveCurrentData) |
| newReadyState = MediaPlayer::HaveCurrentData; |
| m_haveReportedFirstVideoFrame = true; |
| m_player->firstVideoFrameAvailable(); |
| } else if (!hasAvailableVideoFrame()) |
| m_haveReportedFirstVideoFrame = false; |
| |
| if (m_networkState != newNetworkState) |
| ALWAYS_LOG(LOGIDENTIFIER, "entered with networkState ", m_networkState, ", exiting with ", newNetworkState); |
| if (m_readyState != newReadyState) |
| ALWAYS_LOG(LOGIDENTIFIER, "entered with readyState ", m_readyState, ", exiting with ", newReadyState); |
| |
| setNetworkState(newNetworkState); |
| setReadyState(newReadyState); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setSize(const IntSize&) |
| { |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setVisible(bool visible) |
| { |
| if (m_visible == visible) |
| return; |
| |
| m_visible = visible; |
| if (visible) |
| setUpVideoRendering(); |
| |
| platformSetVisible(visible); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::acceleratedRenderingStateChanged() |
| { |
| // Set up or change the rendering path if necessary. |
| setUpVideoRendering(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setShouldMaintainAspectRatio(bool maintainAspectRatio) |
| { |
| if (maintainAspectRatio == m_shouldMaintainAspectRatio) |
| return; |
| |
| m_shouldMaintainAspectRatio = maintainAspectRatio; |
| updateVideoLayerGravity(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::metadataLoaded() |
| { |
| m_loadingMetadata = false; |
| resolvedURLChanged(); |
| tracksChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::rateChanged() |
| { |
| m_player->rateChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::loadedTimeRangesChanged() |
| { |
| m_cachedLoadedTimeRanges = nullptr; |
| m_cachedMaxTimeLoaded = MediaTime::zeroTime(); |
| invalidateCachedDuration(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::seekableTimeRangesChanged() |
| { |
| m_cachedMaxTimeSeekable = MediaTime::zeroTime(); |
| m_cachedMinTimeSeekable = MediaTime::zeroTime(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::timeChanged(const MediaTime& time) |
| { |
| UNUSED_PARAM(time); |
| INFO_LOG(LOGIDENTIFIER, "- ", time); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::seekCompleted(bool finished) |
| { |
| UNUSED_PARAM(finished); |
| ALWAYS_LOG(LOGIDENTIFIER, "finished = ", finished); |
| |
| m_seeking = false; |
| |
| WTF::Function<void()> pendingSeek; |
| std::swap(pendingSeek, m_pendingSeek); |
| |
| if (pendingSeek) { |
| ALWAYS_LOG(LOGIDENTIFIER, "issuing pending seek"); |
| pendingSeek(); |
| return; |
| } |
| |
| if (currentTextTrack()) |
| currentTextTrack()->endSeeking(); |
| |
| 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. |
| MediaTime now = currentMediaTime(); |
| if (now > MediaTime::zeroTime() && !m_seeking) |
| m_cachedDuration = now; |
| |
| updateStates(); |
| m_player->timeChanged(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::invalidateCachedDuration() |
| { |
| m_cachedDuration = MediaTime::invalidTime(); |
| |
| // For some media files, reported duration is estimated and updated as media is loaded |
| // so report duration changed when the estimate is upated. |
| MediaTime duration = this->durationMediaTime(); |
| if (duration != m_reportedDuration) { |
| INFO_LOG(LOGIDENTIFIER, "- ", m_cachedDuration); |
| if (m_reportedDuration.isValid()) |
| m_player->durationChanged(); |
| m_reportedDuration = duration; |
| } |
| |
| } |
| |
| void MediaPlayerPrivateAVFoundation::repaint() |
| { |
| m_player->repaint(); |
| } |
| |
| MediaPlayer::MovieLoadType MediaPlayerPrivateAVFoundation::movieLoadType() const |
| { |
| if (!metaDataAvailable() || assetStatus() == MediaPlayerAVAssetStatusUnknown) |
| return MediaPlayer::Unknown; |
| |
| if (isLiveStream()) |
| return MediaPlayer::LiveStream; |
| |
| return MediaPlayer::Download; |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setPreload(MediaPlayer::Preload preload) |
| { |
| ALWAYS_LOG(LOGIDENTIFIER, " - ", static_cast<int>(preload)); |
| m_preload = preload; |
| if (m_assetURL.isEmpty()) |
| return; |
| |
| setDelayCallbacks(true); |
| |
| if (m_preload >= MediaPlayer::MetaData && assetStatus() == MediaPlayerAVAssetStatusDoesNotExist) { |
| createAVAssetForURL(m_assetURL); |
| checkPlayability(); |
| } |
| |
| // Don't force creation of the player and player item unless we already know that the asset is playable. If we aren't |
| // there yet, or if we already know it is not playable, creating them now won't help. |
| if (m_preload == MediaPlayer::Auto && m_assetIsPlayable) { |
| createAVPlayerItem(); |
| createAVPlayer(); |
| } |
| |
| setDelayCallbacks(false); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::setDelayCallbacks(bool delay) const |
| { |
| LockHolder lock(m_queueMutex); |
| if (delay) |
| ++m_delayCallbacks; |
| else { |
| ASSERT(m_delayCallbacks); |
| --m_delayCallbacks; |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::mainThreadCallback() |
| { |
| clearMainThreadPendingFlag(); |
| dispatchNotification(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::clearMainThreadPendingFlag() |
| { |
| LockHolder lock(m_queueMutex); |
| m_mainThreadCallPending = false; |
| } |
| |
| void MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(Notification::Type type, const MediaTime& time) |
| { |
| scheduleMainThreadNotification(Notification(type, time)); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(Notification::Type type, bool finished) |
| { |
| scheduleMainThreadNotification(Notification(type, finished)); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::scheduleMainThreadNotification(Notification&& notification) |
| { |
| 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(WTFMove(notification)); |
| |
| #if OS(WINDOWS) |
| bool delayDispatch = true; |
| #else |
| bool delayDispatch = m_delayCallbacks || !isMainThread(); |
| #endif |
| if (delayDispatch && !m_mainThreadCallPending) { |
| m_mainThreadCallPending = true; |
| |
| callOnMainThread([weakThis = makeWeakPtr(*this)] { |
| if (!weakThis) |
| return; |
| |
| weakThis->mainThreadCallback(); |
| }); |
| } |
| |
| m_queueMutex.unlock(); |
| |
| if (delayDispatch) |
| return; |
| |
| dispatchNotification(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::dispatchNotification() |
| { |
| ASSERT(isMainThread()); |
| |
| Notification notification; |
| { |
| LockHolder 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.takeFirst(); |
| } |
| |
| if (!m_queuedNotifications.isEmpty() && !m_mainThreadCallPending) { |
| callOnMainThread([weakThis = makeWeakPtr(*this)] { |
| if (!weakThis) |
| return; |
| |
| weakThis->mainThreadCallback(); |
| }); |
| } |
| |
| if (!notification.isValid()) |
| return; |
| } |
| |
| switch (notification.type()) { |
| case Notification::ItemDidPlayToEndTime: |
| didEnd(); |
| break; |
| case Notification::ItemTracksChanged: |
| tracksChanged(); |
| updateStates(); |
| break; |
| case Notification::ItemStatusChanged: |
| updateStates(); |
| break; |
| case Notification::ItemSeekableTimeRangesChanged: |
| seekableTimeRangesChanged(); |
| updateStates(); |
| break; |
| case Notification::ItemLoadedTimeRangesChanged: |
| loadedTimeRangesChanged(); |
| updateStates(); |
| break; |
| case Notification::ItemPresentationSizeChanged: |
| sizeChanged(); |
| updateStates(); |
| break; |
| case Notification::ItemIsPlaybackLikelyToKeepUpChanged: |
| updateStates(); |
| break; |
| case Notification::ItemIsPlaybackBufferEmptyChanged: |
| updateStates(); |
| break; |
| case Notification::ItemIsPlaybackBufferFullChanged: |
| updateStates(); |
| break; |
| case Notification::PlayerRateChanged: |
| updateStates(); |
| rateChanged(); |
| break; |
| case Notification::PlayerTimeChanged: |
| timeChanged(notification.time()); |
| break; |
| case Notification::SeekCompleted: |
| seekCompleted(notification.finished()); |
| break; |
| case Notification::AssetMetadataLoaded: |
| metadataLoaded(); |
| updateStates(); |
| break; |
| case Notification::AssetPlayabilityKnown: |
| updateStates(); |
| playabilityKnown(); |
| break; |
| case Notification::DurationChanged: |
| invalidateCachedDuration(); |
| break; |
| case Notification::ContentsNeedsDisplay: |
| contentsNeedsDisplay(); |
| break; |
| case Notification::InbandTracksNeedConfiguration: |
| m_inbandTrackConfigurationPending = false; |
| configureInbandTracks(); |
| break; |
| case Notification::FunctionType: |
| notification.function()(); |
| break; |
| case Notification::TargetIsWirelessChanged: |
| #if ENABLE(WIRELESS_PLAYBACK_TARGET) |
| playbackTargetIsWirelessChanged(); |
| #endif |
| break; |
| |
| case Notification::None: |
| ASSERT_NOT_REACHED(); |
| break; |
| } |
| } |
| |
| void MediaPlayerPrivateAVFoundation::configureInbandTracks() |
| { |
| RefPtr<InbandTextTrackPrivateAVF> trackToEnable; |
| |
| #if ENABLE(AVF_CAPTIONS) |
| synchronizeTextTrackState(); |
| #endif |
| |
| // AVFoundation can only emit cues for one track at a time, so enable the first track that is showing, or the first that |
| // is hidden if none are showing. Otherwise disable all tracks. |
| for (unsigned i = 0; i < m_textTracks.size(); ++i) { |
| RefPtr<InbandTextTrackPrivateAVF> track = m_textTracks[i]; |
| if (track->mode() == InbandTextTrackPrivate::Showing) { |
| trackToEnable = track; |
| break; |
| } |
| if (track->mode() == InbandTextTrackPrivate::Hidden) |
| trackToEnable = track; |
| } |
| |
| setCurrentTextTrack(trackToEnable.get()); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::trackModeChanged() |
| { |
| if (m_inbandTrackConfigurationPending) |
| return; |
| m_inbandTrackConfigurationPending = true; |
| scheduleMainThreadNotification(Notification::InbandTracksNeedConfiguration); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::clearTextTracks() |
| { |
| for (auto& track : m_textTracks) { |
| player()->removeTextTrack(*track); |
| track->disconnect(); |
| } |
| m_textTracks.clear(); |
| } |
| |
| void MediaPlayerPrivateAVFoundation::processNewAndRemovedTextTracks(const Vector<RefPtr<InbandTextTrackPrivateAVF>>& removedTextTracks) |
| { |
| if (removedTextTracks.size()) { |
| for (unsigned i = 0; i < m_textTracks.size(); ) { |
| if (!removedTextTracks.contains(m_textTracks[i])) { |
| ++i; |
| continue; |
| } |
| player()->removeTextTrack(*m_textTracks[i]); |
| m_textTracks.remove(i); |
| } |
| } |
| |
| unsigned trackCount = m_textTracks.size(); |
| unsigned inBandCount = 0; |
| for (unsigned i = 0; i < trackCount; ++i) { |
| RefPtr<InbandTextTrackPrivateAVF> track = m_textTracks[i]; |
| |
| #if ENABLE(AVF_CAPTIONS) |
| if (track->textTrackCategory() == InbandTextTrackPrivateAVF::OutOfBand) |
| continue; |
| #endif |
| |
| track->setTextTrackIndex(inBandCount); |
| ++inBandCount; |
| if (track->hasBeenReported()) |
| continue; |
| |
| track->setHasBeenReported(true); |
| player()->addTextTrack(*track); |
| } |
| |
| if (trackCount != m_textTracks.size()) |
| INFO_LOG(LOGIDENTIFIER, "found ", m_textTracks.size(), " text tracks"); |
| } |
| |
| #if ENABLE(WIRELESS_PLAYBACK_TARGET) |
| void MediaPlayerPrivateAVFoundation::playbackTargetIsWirelessChanged() |
| { |
| if (m_player) |
| m_player->currentPlaybackTargetIsWirelessChanged(); |
| } |
| #endif |
| |
| #if ENABLE(LEGACY_ENCRYPTED_MEDIA) |
| bool MediaPlayerPrivateAVFoundation::extractKeyURIKeyIDAndCertificateFromInitData(Uint8Array* initData, String& keyURI, String& keyID, RefPtr<Uint8Array>& certificate) |
| { |
| // initData should have the following layout: |
| // [4 bytes: keyURI length][N bytes: keyURI][4 bytes: contentID length], [N bytes: contentID], [4 bytes: certificate length][N bytes: certificate] |
| if (initData->byteLength() < 4) |
| return false; |
| |
| RefPtr<ArrayBuffer> initDataBuffer = initData->unsharedBuffer(); |
| |
| // Use a DataView to read uint32 values from the buffer, as Uint32Array requires the reads be aligned on 4-byte boundaries. |
| auto initDataView = JSC::DataView::create(initDataBuffer.copyRef(), 0, initDataBuffer->byteLength()); |
| uint32_t offset = 0; |
| bool status = true; |
| |
| uint32_t keyURILength = initDataView->get<uint32_t>(offset, true, &status); |
| offset += 4; |
| if (!status || offset + keyURILength > initData->length()) |
| return false; |
| |
| auto keyURIArray = Uint16Array::tryCreate(initDataBuffer.copyRef(), offset, keyURILength); |
| if (!keyURIArray) |
| return false; |
| |
| keyURI = String(reinterpret_cast<UChar*>(keyURIArray->data()), keyURILength / sizeof(unsigned short)); |
| offset += keyURILength; |
| |
| uint32_t keyIDLength = initDataView->get<uint32_t>(offset, true, &status); |
| offset += 4; |
| if (!status || offset + keyIDLength > initData->length()) |
| return false; |
| |
| auto keyIDArray = Uint8Array::tryCreate(initDataBuffer.copyRef(), offset, keyIDLength); |
| if (!keyIDArray) |
| return false; |
| |
| keyID = String(reinterpret_cast<UChar*>(keyIDArray->data()), keyIDLength / sizeof(unsigned short)); |
| offset += keyIDLength; |
| |
| uint32_t certificateLength = initDataView->get<uint32_t>(offset, true, &status); |
| offset += 4; |
| if (!status || offset + certificateLength > initData->length()) |
| return false; |
| |
| certificate = Uint8Array::tryCreate(WTFMove(initDataBuffer), offset, certificateLength); |
| if (!certificate) |
| return false; |
| |
| return true; |
| } |
| #endif |
| |
| bool MediaPlayerPrivateAVFoundation::canSaveMediaData() const |
| { |
| URL url = resolvedURL(); |
| |
| if (url.isLocalFile()) |
| return true; |
| |
| if (!url.protocolIsInHTTPFamily()) |
| return false; |
| |
| if (isLiveStream()) |
| return false; |
| |
| return true; |
| } |
| |
| bool MediaPlayerPrivateAVFoundation::isUnsupportedMIMEType(const String& type) |
| { |
| String lowerCaseType = type.convertToASCIILowercase(); |
| |
| // AVFoundation will return non-video MIME types which it claims to support, but which we |
| // do not support in the <video> element. Reject all non video/, audio/, and application/ types. |
| if (!lowerCaseType.startsWith("video/") && !lowerCaseType.startsWith("audio/") && !lowerCaseType.startsWith("application/")) |
| return true; |
| |
| // Reject types we know AVFoundation does not support that sites commonly ask about. |
| if (lowerCaseType == "video/webm" || lowerCaseType == "audio/webm" || lowerCaseType == "video/x-webm") |
| return true; |
| |
| if (lowerCaseType == "video/x-flv") |
| return true; |
| |
| if (lowerCaseType == "audio/ogg" || lowerCaseType == "video/ogg" || lowerCaseType == "application/ogg") |
| return true; |
| |
| if (lowerCaseType == "video/h264") |
| return true; |
| |
| return false; |
| } |
| |
| #if !RELEASE_LOG_DISABLED |
| WTFLogChannel& MediaPlayerPrivateAVFoundation::logChannel() const |
| { |
| return LogMedia; |
| } |
| #endif |
| |
| const HashSet<String, ASCIICaseInsensitiveHash>& MediaPlayerPrivateAVFoundation::staticMIMETypeList() |
| { |
| static const auto cache = makeNeverDestroyed(HashSet<String, ASCIICaseInsensitiveHash> { |
| "application/vnd.apple.mpegurl", |
| "application/x-mpegurl", |
| "audio/3gpp", |
| "audio/aac", |
| "audio/aacp", |
| "audio/aiff", |
| "audio/basic", |
| "audio/mp3", |
| "audio/mp4", |
| "audio/mpeg", |
| "audio/mpeg3", |
| "audio/mpegurl", |
| "audio/mpg", |
| "audio/vnd.wave", |
| "audio/wav", |
| "audio/wave", |
| "audio/x-aac", |
| "audio/x-aiff", |
| "audio/x-m4a", |
| "audio/x-mpegurl", |
| "audio/x-wav", |
| "video/3gpp", |
| "video/3gpp2", |
| "video/mp4", |
| "video/mpeg", |
| "video/mpeg2", |
| "video/mpg", |
| "video/quicktime", |
| "video/x-m4v", |
| "video/x-mpeg", |
| "video/x-mpg", |
| }); |
| return cache; |
| } |
| |
| } // namespace WebCore |
| |
| #endif |
