MediaPlayerPrivateQTKit.mm [plain text]
/*
* Copyright (C) 2007, 2008, 2009, 2010, 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.
*/
#import "config.h"
#if ENABLE(VIDEO)
#import "MediaPlayerPrivateQTKit.h"
#import "BlockExceptions.h"
#import "DocumentLoader.h"
#import "Frame.h"
#import "FrameView.h"
#import "HostWindow.h"
#import "GraphicsContext.h"
#import "KURL.h"
#import "MIMETypeRegistry.h"
#import "SecurityOrigin.h"
#import "SoftLinking.h"
#import "TimeRanges.h"
#import "WebCoreSystemInterface.h"
#import <QTKit/QTKit.h>
#import <objc/objc-runtime.h>
#import <wtf/UnusedParam.h>
#if USE(ACCELERATED_COMPOSITING)
#include "GraphicsLayer.h"
#endif
#if DRAW_FRAME_RATE
#import "Font.h"
#import "Document.h"
#import "RenderObject.h"
#import "RenderStyle.h"
#endif
SOFT_LINK_FRAMEWORK(QTKit)
SOFT_LINK(QTKit, QTMakeTime, QTTime, (long long timeValue, long timeScale), (timeValue, timeScale))
SOFT_LINK_CLASS(QTKit, QTMovie)
SOFT_LINK_CLASS(QTKit, QTMovieView)
SOFT_LINK_CLASS(QTKit, QTMovieLayer)
SOFT_LINK_POINTER(QTKit, QTTrackMediaTypeAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeBase, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeMPEG, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeSound, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeText, NSString *)
SOFT_LINK_POINTER(QTKit, QTMediaTypeVideo, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieAskUnresolvedDataRefsAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieLoopsAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieDataAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieDataSizeAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieDidEndNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieHasVideoAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieHasAudioAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieIsActiveAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieLoadStateAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieLoadStateDidChangeNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieNaturalSizeAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieCurrentSizeAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMoviePreventExternalURLLinksAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieRateChangesPreservePitchAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieRateDidChangeNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieSizeDidChangeNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieTimeDidChangeNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieTimeScaleAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieURLAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieVolumeDidChangeNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTSecurityPolicyNoCrossSiteAttribute, NSString *)
SOFT_LINK_POINTER(QTKit, QTVideoRendererWebKitOnlyNewImageAvailableNotification, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieApertureModeClean, NSString *)
SOFT_LINK_POINTER(QTKit, QTMovieApertureModeAttribute, NSString *)
SOFT_LINK_POINTER_OPTIONAL(QTKit, QTSecurityPolicyNoLocalToRemoteSiteAttribute, NSString *)
SOFT_LINK_POINTER_OPTIONAL(QTKit, QTSecurityPolicyNoRemoteToLocalSiteAttribute, NSString *)
#define QTMovie getQTMovieClass()
#define QTMovieView getQTMovieViewClass()
#define QTMovieLayer getQTMovieLayerClass()
#define QTTrackMediaTypeAttribute getQTTrackMediaTypeAttribute()
#define QTMediaTypeAttribute getQTMediaTypeAttribute()
#define QTMediaTypeBase getQTMediaTypeBase()
#define QTMediaTypeMPEG getQTMediaTypeMPEG()
#define QTMediaTypeSound getQTMediaTypeSound()
#define QTMediaTypeText getQTMediaTypeText()
#define QTMediaTypeVideo getQTMediaTypeVideo()
#define QTMovieAskUnresolvedDataRefsAttribute getQTMovieAskUnresolvedDataRefsAttribute()
#define QTMovieLoopsAttribute getQTMovieLoopsAttribute()
#define QTMovieDataAttribute getQTMovieDataAttribute()
#define QTMovieDataSizeAttribute getQTMovieDataSizeAttribute()
#define QTMovieDidEndNotification getQTMovieDidEndNotification()
#define QTMovieHasVideoAttribute getQTMovieHasVideoAttribute()
#define QTMovieHasAudioAttribute getQTMovieHasAudioAttribute()
#define QTMovieIsActiveAttribute getQTMovieIsActiveAttribute()
#define QTMovieLoadStateAttribute getQTMovieLoadStateAttribute()
#define QTMovieLoadStateDidChangeNotification getQTMovieLoadStateDidChangeNotification()
#define QTMovieNaturalSizeAttribute getQTMovieNaturalSizeAttribute()
#define QTMovieCurrentSizeAttribute getQTMovieCurrentSizeAttribute()
#define QTMoviePreventExternalURLLinksAttribute getQTMoviePreventExternalURLLinksAttribute()
#define QTMovieRateChangesPreservePitchAttribute getQTMovieRateChangesPreservePitchAttribute()
#define QTMovieRateDidChangeNotification getQTMovieRateDidChangeNotification()
#define QTMovieSizeDidChangeNotification getQTMovieSizeDidChangeNotification()
#define QTMovieTimeDidChangeNotification getQTMovieTimeDidChangeNotification()
#define QTMovieTimeScaleAttribute getQTMovieTimeScaleAttribute()
#define QTMovieURLAttribute getQTMovieURLAttribute()
#define QTMovieVolumeDidChangeNotification getQTMovieVolumeDidChangeNotification()
#define QTSecurityPolicyNoCrossSiteAttribute getQTSecurityPolicyNoCrossSiteAttribute()
#define QTSecurityPolicyNoLocalToRemoteSiteAttribute getQTSecurityPolicyNoLocalToRemoteSiteAttribute()
#define QTSecurityPolicyNoRemoteToLocalSiteAttribute getQTSecurityPolicyNoRemoteToLocalSiteAttribute()
#define QTVideoRendererWebKitOnlyNewImageAvailableNotification getQTVideoRendererWebKitOnlyNewImageAvailableNotification()
#define QTMovieApertureModeClean getQTMovieApertureModeClean()
#define QTMovieApertureModeAttribute getQTMovieApertureModeAttribute()
// Older versions of the QTKit header don't have these constants.
#if !defined QTKIT_VERSION_MAX_ALLOWED || QTKIT_VERSION_MAX_ALLOWED <= QTKIT_VERSION_7_0
enum {
QTMovieLoadStateError = -1L,
QTMovieLoadStateLoaded = 2000L,
QTMovieLoadStatePlayable = 10000L,
QTMovieLoadStatePlaythroughOK = 20000L,
QTMovieLoadStateComplete = 100000L
};
#endif
@interface FakeQTMovieView : NSObject
- (WebCoreMovieObserver *)delegate;
@end
using namespace WebCore;
using namespace std;
@interface WebCoreMovieObserver : NSObject
{
MediaPlayerPrivateQTKit* m_callback;
NSView* m_view;
BOOL m_delayCallbacks;
}
-(id)initWithCallback:(MediaPlayerPrivateQTKit*)callback;
-(void)disconnect;
-(void)setView:(NSView*)view;
-(void)repaint;
-(void)setDelayCallbacks:(BOOL)shouldDelay;
-(void)loadStateChanged:(NSNotification *)notification;
-(void)rateChanged:(NSNotification *)notification;
-(void)sizeChanged:(NSNotification *)notification;
-(void)timeChanged:(NSNotification *)notification;
-(void)didEnd:(NSNotification *)notification;
-(void)layerHostChanged:(NSNotification *)notification;
@end
@protocol WebKitVideoRenderingDetails
-(void)setMovie:(id)movie;
-(void)drawInRect:(NSRect)rect;
@end
namespace WebCore {
PassOwnPtr<MediaPlayerPrivateInterface> MediaPlayerPrivateQTKit::create(MediaPlayer* player)
{
return adoptPtr(new MediaPlayerPrivateQTKit(player));
}
void MediaPlayerPrivateQTKit::registerMediaEngine(MediaEngineRegistrar registrar)
{
if (isAvailable())
registrar(create, getSupportedTypes, supportsType, getSitesInMediaCache, clearMediaCache, clearMediaCacheForSite);
}
MediaPlayerPrivateQTKit::MediaPlayerPrivateQTKit(MediaPlayer* player)
: m_player(player)
, m_objcObserver(AdoptNS, [[WebCoreMovieObserver alloc] initWithCallback:this])
, m_seekTo(-1)
, m_seekTimer(this, &MediaPlayerPrivateQTKit::seekTimerFired)
, m_networkState(MediaPlayer::Empty)
, m_readyState(MediaPlayer::HaveNothing)
, m_rect()
, m_scaleFactor(1, 1)
, m_enabledTrackCount(0)
, m_totalTrackCount(0)
, m_reportedDuration(-1)
, m_cachedDuration(-1)
, m_timeToRestore(-1)
, m_preload(MediaPlayer::Auto)
, m_startedPlaying(false)
, m_isStreaming(false)
, m_visible(false)
, m_hasUnsupportedTracks(false)
, m_videoFrameHasDrawn(false)
, m_isAllowedToRender(false)
, m_privateBrowsing(false)
#if DRAW_FRAME_RATE
, m_frameCountWhilePlaying(0)
, m_timeStartedPlaying(0)
, m_timeStoppedPlaying(0)
#endif
{
}
MediaPlayerPrivateQTKit::~MediaPlayerPrivateQTKit()
{
tearDownVideoRendering();
[[NSNotificationCenter defaultCenter] removeObserver:m_objcObserver.get()];
[m_objcObserver.get() disconnect];
}
NSMutableDictionary *MediaPlayerPrivateQTKit::commonMovieAttributes()
{
NSMutableDictionary *movieAttributes = [NSMutableDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:m_player->preservesPitch()], QTMovieRateChangesPreservePitchAttribute,
[NSNumber numberWithBool:YES], QTMoviePreventExternalURLLinksAttribute,
[NSNumber numberWithBool:NO], QTMovieAskUnresolvedDataRefsAttribute,
[NSNumber numberWithBool:NO], QTMovieLoopsAttribute,
[NSNumber numberWithBool:!m_privateBrowsing], @"QTMovieAllowPersistentCacheAttribute",
QTMovieApertureModeClean, QTMovieApertureModeAttribute,
nil];
// Check to see if QTSecurityPolicyNoRemoteToLocalSiteAttribute is defined, which was added in QTKit 7.6.3.
// If not, just set NoCrossSite = YES, which does the same thing as NoRemoteToLocal = YES and
// NoLocalToRemote = YES in QTKit < 7.6.3.
if (QTSecurityPolicyNoRemoteToLocalSiteAttribute) {
[movieAttributes setValue:[NSNumber numberWithBool:NO] forKey:QTSecurityPolicyNoCrossSiteAttribute];
[movieAttributes setValue:[NSNumber numberWithBool:YES] forKey:QTSecurityPolicyNoRemoteToLocalSiteAttribute];
[movieAttributes setValue:[NSNumber numberWithBool:YES] forKey:QTSecurityPolicyNoLocalToRemoteSiteAttribute];
} else
[movieAttributes setValue:[NSNumber numberWithBool:YES] forKey:QTSecurityPolicyNoCrossSiteAttribute];
if (m_preload < MediaPlayer::Auto)
[movieAttributes setValue:[NSNumber numberWithBool:YES] forKey:@"QTMovieLimitReadAheadAttribute"];
return movieAttributes;
}
void MediaPlayerPrivateQTKit::createQTMovie(const String& url)
{
KURL kURL(ParsedURLString, url);
NSURL *cocoaURL = kURL;
NSMutableDictionary *movieAttributes = commonMovieAttributes();
[movieAttributes setValue:cocoaURL forKey:QTMovieURLAttribute];
#if !defined(BUILDING_ON_LEOPARD)
CFDictionaryRef proxySettings = CFNetworkCopySystemProxySettings();
CFArrayRef proxiesForURL = CFNetworkCopyProxiesForURL((CFURLRef)cocoaURL, proxySettings);
BOOL willUseProxy = YES;
if (!proxiesForURL || !CFArrayGetCount(proxiesForURL))
willUseProxy = NO;
if (CFArrayGetCount(proxiesForURL) == 1) {
CFDictionaryRef proxy = (CFDictionaryRef)CFArrayGetValueAtIndex(proxiesForURL, 0);
ASSERT(CFGetTypeID(proxy) == CFDictionaryGetTypeID());
CFStringRef proxyType = (CFStringRef)CFDictionaryGetValue(proxy, kCFProxyTypeKey);
ASSERT(CFGetTypeID(proxyType) == CFStringGetTypeID());
if (CFStringCompare(proxyType, kCFProxyTypeNone, 0) == kCFCompareEqualTo)
willUseProxy = NO;
}
if (!willUseProxy && !kURL.protocolIsData()) {
// Only pass the QTMovieOpenForPlaybackAttribute flag if there are no proxy servers, due
// to rdar://problem/7531776, or if not loading a data:// url due to rdar://problem/8103801.
[movieAttributes setObject:[NSNumber numberWithBool:YES] forKey:@"QTMovieOpenForPlaybackAttribute"];
}
if (proxiesForURL)
CFRelease(proxiesForURL);
if (proxySettings)
CFRelease(proxySettings);
#endif
createQTMovie(cocoaURL, movieAttributes);
}
static void disableComponentsOnce()
{
static bool sComponentsDisabled = false;
if (sComponentsDisabled)
return;
sComponentsDisabled = true;
// eat/PDF and grip/PDF components must be disabled twice since they are registered twice
// with different flags. However, there is currently a bug in 64-bit QTKit (<rdar://problem/8378237>)
// which causes subsequent disable component requests of exactly the same type to be ignored if
// QTKitServer has not yet started. As a result, we must pass in exactly the flags we want to
// disable per component. As a failsafe, if in the future these flags change, we will disable the
// PDF components for a third time with a wildcard flags field:
uint32_t componentsToDisable[11][5] = {
{'eat ', 'TEXT', 'text', 0, 0},
{'eat ', 'TXT ', 'text', 0, 0},
{'eat ', 'utxt', 'text', 0, 0},
{'eat ', 'TEXT', 'tx3g', 0, 0},
{'eat ', 'PDF ', 'vide', 0x44802, 0},
{'eat ', 'PDF ', 'vide', 0x45802, 0},
{'eat ', 'PDF ', 'vide', 0, 0},
{'grip', 'PDF ', 'appl', 0x844a00, 0},
{'grip', 'PDF ', 'appl', 0x845a00, 0},
{'grip', 'PDF ', 'appl', 0, 0},
{'imdc', 'pdf ', 'appl', 0, 0},
};
for (size_t i = 0; i < WTF_ARRAY_LENGTH(componentsToDisable); ++i)
wkQTMovieDisableComponent(componentsToDisable[i]);
}
void MediaPlayerPrivateQTKit::createQTMovie(NSURL *url, NSDictionary *movieAttributes)
{
disableComponentsOnce();
[[NSNotificationCenter defaultCenter] removeObserver:m_objcObserver.get()];
bool recreating = false;
if (m_qtMovie) {
recreating = true;
destroyQTVideoRenderer();
m_qtMovie = 0;
}
// Disable rtsp streams for now, <rdar://problem/5693967>
if (protocolIs([url scheme], "rtsp"))
return;
NSError *error = nil;
m_qtMovie.adoptNS([[QTMovie alloc] initWithAttributes:movieAttributes error:&error]);
if (!m_qtMovie)
return;
[m_qtMovie.get() setVolume:m_player->volume()];
if (recreating && hasVideo())
createQTVideoRenderer(QTVideoRendererModeListensForNewImages);
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(loadStateChanged:)
name:QTMovieLoadStateDidChangeNotification
object:m_qtMovie.get()];
// In updateState(), we track when maxTimeLoaded() == duration().
// In newer version of QuickTime, a notification is emitted when maxTimeLoaded changes.
// In older version of QuickTime, QTMovieLoadStateDidChangeNotification be fired.
if (NSString *maxTimeLoadedChangeNotification = wkQTMovieMaxTimeLoadedChangeNotification()) {
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(loadStateChanged:)
name:maxTimeLoadedChangeNotification
object:m_qtMovie.get()];
}
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(rateChanged:)
name:QTMovieRateDidChangeNotification
object:m_qtMovie.get()];
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(sizeChanged:)
name:QTMovieSizeDidChangeNotification
object:m_qtMovie.get()];
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(timeChanged:)
name:QTMovieTimeDidChangeNotification
object:m_qtMovie.get()];
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(didEnd:)
name:QTMovieDidEndNotification
object:m_qtMovie.get()];
#if defined(BUILDING_ON_SNOW_LEOPARD)
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(layerHostChanged:)
name:@"WebKitLayerHostChanged"
object:nil];
#endif
}
static void mainThreadSetNeedsDisplay(id self, SEL)
{
id view = [self superview];
ASSERT(!view || [view isKindOfClass:[QTMovieView class]]);
if (!view || ![view isKindOfClass:[QTMovieView class]])
return;
FakeQTMovieView *movieView = static_cast<FakeQTMovieView *>(view);
WebCoreMovieObserver* delegate = [movieView delegate];
ASSERT(!delegate || [delegate isKindOfClass:[WebCoreMovieObserver class]]);
if (!delegate || ![delegate isKindOfClass:[WebCoreMovieObserver class]])
return;
[delegate repaint];
}
static Class QTVideoRendererClass()
{
static Class QTVideoRendererWebKitOnlyClass = NSClassFromString(@"QTVideoRendererWebKitOnly");
return QTVideoRendererWebKitOnlyClass;
}
void MediaPlayerPrivateQTKit::createQTMovieView()
{
detachQTMovieView();
static bool addedCustomMethods = false;
if (!m_player->inMediaDocument() && !addedCustomMethods) {
Class QTMovieContentViewClass = NSClassFromString(@"QTMovieContentView");
ASSERT(QTMovieContentViewClass);
Method mainThreadSetNeedsDisplayMethod = class_getInstanceMethod(QTMovieContentViewClass, @selector(_mainThreadSetNeedsDisplay));
ASSERT(mainThreadSetNeedsDisplayMethod);
method_setImplementation(mainThreadSetNeedsDisplayMethod, reinterpret_cast<IMP>(mainThreadSetNeedsDisplay));
addedCustomMethods = true;
}
// delay callbacks as we *will* get notifications during setup
[m_objcObserver.get() setDelayCallbacks:YES];
m_qtMovieView.adoptNS([[QTMovieView alloc] init]);
setSize(m_player->size());
NSView* parentView = 0;
#if PLATFORM(MAC)
parentView = m_player->frameView()->documentView();
[parentView addSubview:m_qtMovieView.get()];
#endif
[m_qtMovieView.get() setDelegate:m_objcObserver.get()];
[m_objcObserver.get() setView:m_qtMovieView.get()];
[m_qtMovieView.get() setMovie:m_qtMovie.get()];
[m_qtMovieView.get() setControllerVisible:NO];
[m_qtMovieView.get() setPreservesAspectRatio:NO];
// the area not covered by video should be transparent
[m_qtMovieView.get() setFillColor:[NSColor clearColor]];
// If we're in a media document, allow QTMovieView to render in its default mode;
// otherwise tell it to draw synchronously.
// Note that we expect mainThreadSetNeedsDisplay to be invoked only when synchronous drawing is requested.
if (!m_player->inMediaDocument())
wkQTMovieViewSetDrawSynchronously(m_qtMovieView.get(), YES);
[m_objcObserver.get() setDelayCallbacks:NO];
}
void MediaPlayerPrivateQTKit::detachQTMovieView()
{
if (m_qtMovieView) {
[m_objcObserver.get() setView:nil];
[m_qtMovieView.get() setDelegate:nil];
[m_qtMovieView.get() removeFromSuperview];
m_qtMovieView = nil;
}
}
void MediaPlayerPrivateQTKit::createQTVideoRenderer(QTVideoRendererMode rendererMode)
{
destroyQTVideoRenderer();
m_qtVideoRenderer.adoptNS([[QTVideoRendererClass() alloc] init]);
if (!m_qtVideoRenderer)
return;
// associate our movie with our instance of QTVideoRendererWebKitOnly
[(id<WebKitVideoRenderingDetails>)m_qtVideoRenderer.get() setMovie:m_qtMovie.get()];
if (rendererMode == QTVideoRendererModeListensForNewImages) {
// listen to QTVideoRendererWebKitOnly's QTVideoRendererWebKitOnlyNewImageDidBecomeAvailableNotification
[[NSNotificationCenter defaultCenter] addObserver:m_objcObserver.get()
selector:@selector(newImageAvailable:)
name:QTVideoRendererWebKitOnlyNewImageAvailableNotification
object:m_qtVideoRenderer.get()];
}
}
void MediaPlayerPrivateQTKit::destroyQTVideoRenderer()
{
if (!m_qtVideoRenderer)
return;
// stop observing the renderer's notifications before we toss it
[[NSNotificationCenter defaultCenter] removeObserver:m_objcObserver.get()
name:QTVideoRendererWebKitOnlyNewImageAvailableNotification
object:m_qtVideoRenderer.get()];
// disassociate our movie from our instance of QTVideoRendererWebKitOnly
[(id<WebKitVideoRenderingDetails>)m_qtVideoRenderer.get() setMovie:nil];
m_qtVideoRenderer = nil;
}
void MediaPlayerPrivateQTKit::createQTMovieLayer()
{
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
if (!m_qtMovie)
return;
ASSERT(supportsAcceleratedRendering());
if (!m_qtVideoLayer) {
m_qtVideoLayer.adoptNS([[QTMovieLayer alloc] init]);
if (!m_qtVideoLayer)
return;
[m_qtVideoLayer.get() setMovie:m_qtMovie.get()];
#ifndef NDEBUG
[(CALayer *)m_qtVideoLayer.get() setName:@"Video layer"];
#endif
// The layer will get hooked up via RenderLayerBacking::updateGraphicsLayerConfiguration().
}
#endif
}
void MediaPlayerPrivateQTKit::destroyQTMovieLayer()
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_qtVideoLayer)
return;
// disassociate our movie from our instance of QTMovieLayer
[m_qtVideoLayer.get() setMovie:nil];
m_qtVideoLayer = nil;
#endif
}
MediaPlayerPrivateQTKit::MediaRenderingMode MediaPlayerPrivateQTKit::currentRenderingMode() const
{
if (m_qtMovieView)
return MediaRenderingMovieView;
if (m_qtVideoLayer)
return MediaRenderingMovieLayer;
if (m_qtVideoRenderer)
return MediaRenderingSoftwareRenderer;
return MediaRenderingNone;
}
MediaPlayerPrivateQTKit::MediaRenderingMode MediaPlayerPrivateQTKit::preferredRenderingMode() const
{
if (!m_player->frameView() || !m_qtMovie)
return MediaRenderingNone;
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
if (supportsAcceleratedRendering() && m_player->mediaPlayerClient()->mediaPlayerRenderingCanBeAccelerated(m_player))
return MediaRenderingMovieLayer;
#endif
if (!QTVideoRendererClass())
return MediaRenderingMovieView;
return MediaRenderingSoftwareRenderer;
}
void MediaPlayerPrivateQTKit::setUpVideoRendering()
{
if (!isReadyForVideoSetup())
return;
MediaRenderingMode currentMode = currentRenderingMode();
MediaRenderingMode preferredMode = preferredRenderingMode();
if (currentMode == preferredMode && currentMode != MediaRenderingNone)
return;
if (currentMode != MediaRenderingNone)
tearDownVideoRendering();
switch (preferredMode) {
case MediaRenderingMovieView:
createQTMovieView();
break;
case MediaRenderingNone:
case MediaRenderingSoftwareRenderer:
createQTVideoRenderer(QTVideoRendererModeListensForNewImages);
break;
case MediaRenderingMovieLayer:
createQTMovieLayer();
break;
}
// If using a movie layer, inform the client so the compositing tree is updated.
if (currentMode == MediaRenderingMovieLayer || preferredMode == MediaRenderingMovieLayer)
m_player->mediaPlayerClient()->mediaPlayerRenderingModeChanged(m_player);
}
void MediaPlayerPrivateQTKit::tearDownVideoRendering()
{
if (m_qtMovieView)
detachQTMovieView();
if (m_qtVideoRenderer)
destroyQTVideoRenderer();
if (m_qtVideoLayer)
destroyQTMovieLayer();
}
bool MediaPlayerPrivateQTKit::hasSetUpVideoRendering() const
{
return m_qtMovieView
|| m_qtVideoLayer
|| m_qtVideoRenderer;
}
QTTime MediaPlayerPrivateQTKit::createQTTime(float time) const
{
if (!metaDataAvailable())
return QTMakeTime(0, 600);
long timeScale = [[m_qtMovie.get() attributeForKey:QTMovieTimeScaleAttribute] longValue];
return QTMakeTime(lroundf(time * timeScale), timeScale);
}
void MediaPlayerPrivateQTKit::resumeLoad()
{
if (!m_movieURL.isNull())
loadInternal(m_movieURL);
}
void MediaPlayerPrivateQTKit::load(const String& url)
{
m_movieURL = url;
// If the element is not supposed to load any data return immediately.
if (m_preload == MediaPlayer::None)
return;
loadInternal(url);
}
void MediaPlayerPrivateQTKit::loadInternal(const String& url)
{
if (m_networkState != MediaPlayer::Loading) {
m_networkState = MediaPlayer::Loading;
m_player->networkStateChanged();
}
if (m_readyState != MediaPlayer::HaveNothing) {
m_readyState = MediaPlayer::HaveNothing;
m_player->readyStateChanged();
}
cancelSeek();
m_videoFrameHasDrawn = false;
[m_objcObserver.get() setDelayCallbacks:YES];
createQTMovie(url);
[m_objcObserver.get() loadStateChanged:nil];
[m_objcObserver.get() setDelayCallbacks:NO];
}
void MediaPlayerPrivateQTKit::prepareToPlay()
{
setPreload(MediaPlayer::Auto);
}
PlatformMedia MediaPlayerPrivateQTKit::platformMedia() const
{
PlatformMedia pm;
pm.type = PlatformMedia::QTMovieType;
pm.media.qtMovie = m_qtMovie.get();
return pm;
}
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
PlatformLayer* MediaPlayerPrivateQTKit::platformLayer() const
{
return m_qtVideoLayer.get();
}
#endif
void MediaPlayerPrivateQTKit::play()
{
if (!metaDataAvailable())
return;
m_startedPlaying = true;
#if DRAW_FRAME_RATE
m_frameCountWhilePlaying = 0;
#endif
[m_objcObserver.get() setDelayCallbacks:YES];
[m_qtMovie.get() setRate:m_player->rate()];
[m_objcObserver.get() setDelayCallbacks:NO];
}
void MediaPlayerPrivateQTKit::pause()
{
if (!metaDataAvailable())
return;
m_startedPlaying = false;
#if DRAW_FRAME_RATE
m_timeStoppedPlaying = [NSDate timeIntervalSinceReferenceDate];
#endif
[m_objcObserver.get() setDelayCallbacks:YES];
[m_qtMovie.get() stop];
[m_objcObserver.get() setDelayCallbacks:NO];
}
float MediaPlayerPrivateQTKit::duration() const
{
if (!metaDataAvailable())
return 0;
if (m_cachedDuration != -1.0f)
return m_cachedDuration;
QTTime time = [m_qtMovie.get() duration];
if (time.flags == kQTTimeIsIndefinite)
return numeric_limits<float>::infinity();
return static_cast<float>(time.timeValue) / time.timeScale;
}
float MediaPlayerPrivateQTKit::currentTime() const
{
if (!metaDataAvailable())
return 0;
QTTime time = [m_qtMovie.get() currentTime];
return static_cast<float>(time.timeValue) / time.timeScale;
}
void MediaPlayerPrivateQTKit::seek(float time)
{
// Nothing to do if we are already in the middle of a seek to the same time.
if (time == m_seekTo)
return;
cancelSeek();
if (!metaDataAvailable())
return;
if (time > duration())
time = duration();
m_seekTo = time;
if (maxTimeSeekable() >= m_seekTo)
doSeek();
else
m_seekTimer.start(0, 0.5f);
}
void MediaPlayerPrivateQTKit::doSeek()
{
QTTime qttime = createQTTime(m_seekTo);
// setCurrentTime generates several event callbacks, update afterwards
[m_objcObserver.get() setDelayCallbacks:YES];
float oldRate = [m_qtMovie.get() rate];
if (oldRate)
[m_qtMovie.get() setRate:0];
[m_qtMovie.get() setCurrentTime:qttime];
// restore playback only if not at end, otherwise QTMovie will loop
float timeAfterSeek = currentTime();
if (oldRate && timeAfterSeek < duration())
[m_qtMovie.get() setRate:oldRate];
cancelSeek();
[m_objcObserver.get() setDelayCallbacks:NO];
}
void MediaPlayerPrivateQTKit::cancelSeek()
{
m_seekTo = -1;
m_seekTimer.stop();
}
void MediaPlayerPrivateQTKit::seekTimerFired(Timer<MediaPlayerPrivateQTKit>*)
{
if (!metaDataAvailable()|| !seeking() || currentTime() == m_seekTo) {
cancelSeek();
updateStates();
m_player->timeChanged();
return;
}
if (maxTimeSeekable() >= m_seekTo)
doSeek();
else {
MediaPlayer::NetworkState state = networkState();
if (state == MediaPlayer::Empty || state == MediaPlayer::Loaded) {
cancelSeek();
updateStates();
m_player->timeChanged();
}
}
}
bool MediaPlayerPrivateQTKit::paused() const
{
if (!metaDataAvailable())
return true;
return [m_qtMovie.get() rate] == 0;
}
bool MediaPlayerPrivateQTKit::seeking() const
{
if (!metaDataAvailable())
return false;
return m_seekTo >= 0;
}
IntSize MediaPlayerPrivateQTKit::naturalSize() const
{
if (!metaDataAvailable())
return IntSize();
// In spite of the name of this method, return QTMovieNaturalSizeAttribute 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
FloatSize naturalSize([[m_qtMovie.get() attributeForKey:QTMovieNaturalSizeAttribute] sizeValue]);
if (naturalSize.isEmpty() && m_isStreaming) {
// HTTP Live Streams will occasionally return {0,0} natural sizes while scrubbing.
// Work around this problem (<rdar://problem/9078563>) by returning the last valid
// cached natural size:
naturalSize = m_cachedNaturalSize;
} else {
// Unfortunately, due to another QTKit bug (<rdar://problem/9082071>) we won't get a sizeChanged
// event when this happens, so we must cache the last valid naturalSize here:
m_cachedNaturalSize = naturalSize;
}
return IntSize(naturalSize.width() * m_scaleFactor.width(), naturalSize.height() * m_scaleFactor.height());
}
bool MediaPlayerPrivateQTKit::hasVideo() const
{
if (!metaDataAvailable())
return false;
return [[m_qtMovie.get() attributeForKey:QTMovieHasVideoAttribute] boolValue];
}
bool MediaPlayerPrivateQTKit::hasAudio() const
{
if (!m_qtMovie)
return false;
return [[m_qtMovie.get() attributeForKey:QTMovieHasAudioAttribute] boolValue];
}
bool MediaPlayerPrivateQTKit::supportsFullscreen() const
{
#ifndef BUILDING_ON_LEOPARD
return true;
#else
// See <rdar://problem/7389945>
return false;
#endif
}
void MediaPlayerPrivateQTKit::setVolume(float volume)
{
if (m_qtMovie)
[m_qtMovie.get() setVolume:volume];
}
bool MediaPlayerPrivateQTKit::hasClosedCaptions() const
{
if (!metaDataAvailable())
return false;
return wkQTMovieHasClosedCaptions(m_qtMovie.get());
}
void MediaPlayerPrivateQTKit::setClosedCaptionsVisible(bool closedCaptionsVisible)
{
if (metaDataAvailable()) {
wkQTMovieSetShowClosedCaptions(m_qtMovie.get(), closedCaptionsVisible);
#if USE(ACCELERATED_COMPOSITING) && !defined(BUILDING_ON_LEOPARD)
if (closedCaptionsVisible && m_qtVideoLayer) {
// Captions will be rendered upside down unless we flag the movie as flipped (again). See <rdar://7408440>.
[m_qtVideoLayer.get() setGeometryFlipped:YES];
}
#endif
}
}
void MediaPlayerPrivateQTKit::setRate(float rate)
{
if (m_qtMovie)
[m_qtMovie.get() setRate:rate];
}
void MediaPlayerPrivateQTKit::setPreservesPitch(bool preservesPitch)
{
if (!m_qtMovie)
return;
// QTMovieRateChangesPreservePitchAttribute cannot be changed dynamically after QTMovie creation.
// If the passed in value is different than what already exists, we need to recreate the QTMovie for it to take effect.
if ([[m_qtMovie.get() attributeForKey:QTMovieRateChangesPreservePitchAttribute] boolValue] == preservesPitch)
return;
RetainPtr<NSDictionary> movieAttributes(AdoptNS, [[m_qtMovie.get() movieAttributes] mutableCopy]);
ASSERT(movieAttributes);
[movieAttributes.get() setValue:[NSNumber numberWithBool:preservesPitch] forKey:QTMovieRateChangesPreservePitchAttribute];
m_timeToRestore = currentTime();
createQTMovie([movieAttributes.get() valueForKey:QTMovieURLAttribute], movieAttributes.get());
}
PassRefPtr<TimeRanges> MediaPlayerPrivateQTKit::buffered() const
{
RefPtr<TimeRanges> timeRanges = TimeRanges::create();
float loaded = maxTimeLoaded();
if (loaded > 0)
timeRanges->add(0, loaded);
return timeRanges.release();
}
float MediaPlayerPrivateQTKit::maxTimeSeekable() const
{
if (!metaDataAvailable())
return 0;
// infinite duration means live stream
if (isinf(duration()))
return 0;
return wkQTMovieMaxTimeSeekable(m_qtMovie.get());
}
float MediaPlayerPrivateQTKit::maxTimeLoaded() const
{
if (!metaDataAvailable())
return 0;
return wkQTMovieMaxTimeLoaded(m_qtMovie.get());
}
unsigned MediaPlayerPrivateQTKit::bytesLoaded() const
{
float dur = duration();
if (!dur)
return 0;
return totalBytes() * maxTimeLoaded() / dur;
}
unsigned MediaPlayerPrivateQTKit::totalBytes() const
{
if (!metaDataAvailable())
return 0;
return [[m_qtMovie.get() attributeForKey:QTMovieDataSizeAttribute] intValue];
}
void MediaPlayerPrivateQTKit::cancelLoad()
{
// FIXME: Is there a better way to check for this?
if (m_networkState < MediaPlayer::Loading || m_networkState == MediaPlayer::Loaded)
return;
tearDownVideoRendering();
m_qtMovie = nil;
updateStates();
}
void MediaPlayerPrivateQTKit::cacheMovieScale()
{
NSSize initialSize = NSZeroSize;
NSSize naturalSize = [[m_qtMovie.get() attributeForKey:QTMovieNaturalSizeAttribute] sizeValue];
#ifndef BUILDING_ON_LEOPARD
// QTMovieCurrentSizeAttribute is not allowed with instances of QTMovie that have been
// opened with QTMovieOpenForPlaybackAttribute, so ask for the display transform attribute instead.
NSAffineTransform *displayTransform = [m_qtMovie.get() attributeForKey:@"QTMoviePreferredTransformAttribute"];
if (displayTransform)
initialSize = [displayTransform transformSize:naturalSize];
else {
initialSize.width = naturalSize.width;
initialSize.height = naturalSize.height;
}
#else
initialSize = [[m_qtMovie.get() attributeForKey:QTMovieCurrentSizeAttribute] sizeValue];
#endif
if (naturalSize.width)
m_scaleFactor.setWidth(initialSize.width / naturalSize.width);
if (naturalSize.height)
m_scaleFactor.setHeight(initialSize.height / naturalSize.height);
}
bool MediaPlayerPrivateQTKit::isReadyForVideoSetup() const
{
return m_readyState >= MediaPlayer::HaveMetadata && m_player->visible();
}
void MediaPlayerPrivateQTKit::prepareForRendering()
{
if (m_isAllowedToRender)
return;
m_isAllowedToRender = true;
if (!hasSetUpVideoRendering())
setUpVideoRendering();
// If using a movie layer, inform the client so the compositing tree is updated. This is crucial if the movie
// has a poster, as it will most likely not have a layer and we will now be rendering frames to the movie layer.
if (currentRenderingMode() == MediaRenderingMovieLayer || preferredRenderingMode() == MediaRenderingMovieLayer)
m_player->mediaPlayerClient()->mediaPlayerRenderingModeChanged(m_player);
}
void MediaPlayerPrivateQTKit::updateStates()
{
MediaPlayer::NetworkState oldNetworkState = m_networkState;
MediaPlayer::ReadyState oldReadyState = m_readyState;
long loadState = m_qtMovie ? [[m_qtMovie.get() attributeForKey:QTMovieLoadStateAttribute] longValue] : static_cast<long>(QTMovieLoadStateError);
if (loadState >= QTMovieLoadStateLoaded && m_readyState < MediaPlayer::HaveMetadata) {
disableUnsupportedTracks();
if (m_player->inMediaDocument()) {
if (!m_enabledTrackCount || m_hasUnsupportedTracks) {
// This has a type of media that we do not handle directly with a <video>
// element, eg. a rtsp track or QuickTime VR. Tell the MediaPlayerClient
// that we noticed.
sawUnsupportedTracks();
return;
}
} else if (!m_enabledTrackCount)
loadState = QTMovieLoadStateError;
if (loadState != QTMovieLoadStateError) {
wkQTMovieSelectPreferredAlternates(m_qtMovie.get());
cacheMovieScale();
MediaPlayer::MovieLoadType movieType = movieLoadType();
m_isStreaming = movieType == MediaPlayer::StoredStream || movieType == MediaPlayer::LiveStream;
}
}
// If this movie is reloading and we mean to restore the current time/rate, this might be the right time to do it.
if (loadState >= QTMovieLoadStateLoaded && oldNetworkState < MediaPlayer::Loaded && m_timeToRestore != -1.0f) {
QTTime qttime = createQTTime(m_timeToRestore);
m_timeToRestore = -1.0f;
// Disable event callbacks from setCurrentTime for restoring time in a recreated video
[m_objcObserver.get() setDelayCallbacks:YES];
[m_qtMovie.get() setCurrentTime:qttime];
[m_qtMovie.get() setRate:m_player->rate()];
[m_objcObserver.get() setDelayCallbacks:NO];
}
BOOL completelyLoaded = !m_isStreaming && (loadState >= QTMovieLoadStateComplete);
// Note: QT indicates that we are fully loaded with QTMovieLoadStateComplete.
// However newer versions of QT do not, so we check maxTimeLoaded against duration.
if (!completelyLoaded && !m_isStreaming && metaDataAvailable())
completelyLoaded = maxTimeLoaded() == duration();
if (completelyLoaded) {
// "Loaded" is reserved for fully buffered movies, never the case when streaming
m_networkState = MediaPlayer::Loaded;
m_readyState = MediaPlayer::HaveEnoughData;
} else if (loadState >= QTMovieLoadStatePlaythroughOK) {
m_readyState = MediaPlayer::HaveEnoughData;
m_networkState = MediaPlayer::Loading;
} else if (loadState >= QTMovieLoadStatePlayable) {
// FIXME: This might not work correctly in streaming case, <rdar://problem/5693967>
m_readyState = currentTime() < maxTimeLoaded() ? MediaPlayer::HaveFutureData : MediaPlayer::HaveCurrentData;
m_networkState = MediaPlayer::Loading;
} else if (loadState >= QTMovieLoadStateLoaded) {
m_readyState = MediaPlayer::HaveMetadata;
m_networkState = MediaPlayer::Loading;
} else if (loadState > QTMovieLoadStateError) {
m_readyState = MediaPlayer::HaveNothing;
m_networkState = MediaPlayer::Loading;
} else {
// Loading or decoding failed.
if (m_player->inMediaDocument()) {
// Something went wrong in the loading of media within a standalone file.
// This can occur with chained refmovies pointing to streamed media.
sawUnsupportedTracks();
return;
}
float loaded = maxTimeLoaded();
if (!loaded)
m_readyState = MediaPlayer::HaveNothing;
if (!m_enabledTrackCount)
m_networkState = MediaPlayer::FormatError;
else {
// FIXME: We should differentiate between load/network errors and decode errors <rdar://problem/5605692>
if (loaded > 0)
m_networkState = MediaPlayer::DecodeError;
else
m_readyState = MediaPlayer::HaveNothing;
}
}
if (isReadyForVideoSetup() && !hasSetUpVideoRendering())
setUpVideoRendering();
if (seeking())
m_readyState = m_readyState >= MediaPlayer::HaveMetadata ? MediaPlayer::HaveMetadata : MediaPlayer::HaveNothing;
// Streaming movies don't use the network when paused.
if (m_isStreaming && m_readyState >= MediaPlayer::HaveMetadata && m_networkState >= MediaPlayer::Loading && [m_qtMovie.get() rate] == 0)
m_networkState = MediaPlayer::Idle;
if (m_networkState != oldNetworkState)
m_player->networkStateChanged();
if (m_readyState != oldReadyState)
m_player->readyStateChanged();
if (loadState >= QTMovieLoadStateLoaded) {
float dur = duration();
if (dur != m_reportedDuration) {
if (m_reportedDuration != -1.0f)
m_player->durationChanged();
m_reportedDuration = dur;
}
}
}
void MediaPlayerPrivateQTKit::loadStateChanged()
{
if (!m_hasUnsupportedTracks)
updateStates();
}
void MediaPlayerPrivateQTKit::rateChanged()
{
if (m_hasUnsupportedTracks)
return;
updateStates();
m_player->rateChanged();
}
void MediaPlayerPrivateQTKit::sizeChanged()
{
if (!m_hasUnsupportedTracks)
m_player->sizeChanged();
}
void MediaPlayerPrivateQTKit::timeChanged()
{
if (m_hasUnsupportedTracks)
return;
// It may not be possible to seek to a specific time in a streamed movie. When seeking in a
// stream QuickTime sets the movie time to closest time possible and posts a timechanged
// notification. Update m_seekTo so we can detect when the seek completes.
if (m_seekTo != -1)
m_seekTo = currentTime();
m_timeToRestore = -1.0f;
updateStates();
m_player->timeChanged();
}
void MediaPlayerPrivateQTKit::didEnd()
{
if (m_hasUnsupportedTracks)
return;
m_startedPlaying = false;
#if DRAW_FRAME_RATE
m_timeStoppedPlaying = [NSDate timeIntervalSinceReferenceDate];
#endif
// Hang onto the current time and use it as duration from now on since QuickTime is telling us we
// are at the end. Do this because QuickTime sometimes reports one time for duration and stops
// playback at another time, which causes problems in HTMLMediaElement. QTKit's 'ended' event
// fires when playing in reverse so don't update duration when at time zero!
float now = currentTime();
if (now > 0)
m_cachedDuration = now;
updateStates();
m_player->timeChanged();
}
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
#if defined(BUILDING_ON_SNOW_LEOPARD)
static bool layerIsDescendentOf(PlatformLayer* child, PlatformLayer* descendent)
{
if (!child || !descendent)
return false;
do {
if (child == descendent)
return true;
} while((child = [child superlayer]));
return false;
}
#endif
void MediaPlayerPrivateQTKit::layerHostChanged(PlatformLayer* rootLayer)
{
#if defined(BUILDING_ON_SNOW_LEOPARD)
if (!rootLayer)
return;
if (layerIsDescendentOf(m_qtVideoLayer.get(), rootLayer)) {
// We own a child layer of a layer which has switched contexts.
// Tear down our layer, and set m_visible to false, so that the
// next time setVisible(true) is called, the layer will be re-
// created in the correct context.
tearDownVideoRendering();
m_visible = false;
}
#else
UNUSED_PARAM(rootLayer);
#endif
}
#endif
void MediaPlayerPrivateQTKit::setSize(const IntSize&)
{
// Don't resize the view now because [view setFrame] also resizes the movie itself, and because
// the renderer calls this function immediately when we report a size change (QTMovieSizeDidChangeNotification)
// we can get into a feedback loop observing the size change and resetting the size, and this can cause
// QuickTime to miss resetting a movie's size when the media size changes (as happens with an rtsp movie
// once the rtsp server sends the track sizes). Instead we remember the size passed to paint() and resize
// the view when it changes.
// <rdar://problem/6336092> REGRESSION: rtsp movie does not resize correctly
}
void MediaPlayerPrivateQTKit::setVisible(bool b)
{
if (m_visible != b) {
m_visible = b;
if (b)
setUpVideoRendering();
else
tearDownVideoRendering();
}
}
bool MediaPlayerPrivateQTKit::hasAvailableVideoFrame() const
{
// When using a QTMovieLayer return true as soon as the movie reaches QTMovieLoadStatePlayable
// because although we don't *know* when the first frame has decoded, by the time we get and
// process the notification a frame should have propagated the VisualContext and been set on
// the layer.
if (currentRenderingMode() == MediaRenderingMovieLayer)
return m_readyState >= MediaPlayer::HaveCurrentData;
// When using the software renderer QuickTime signals that a frame is available so we might as well
// wait until we know that a frame has been drawn.
return m_videoFrameHasDrawn;
}
void MediaPlayerPrivateQTKit::repaint()
{
if (m_hasUnsupportedTracks)
return;
#if DRAW_FRAME_RATE
if (m_startedPlaying) {
m_frameCountWhilePlaying++;
// to eliminate preroll costs from our calculation,
// our frame rate calculation excludes the first frame drawn after playback starts
if (1==m_frameCountWhilePlaying)
m_timeStartedPlaying = [NSDate timeIntervalSinceReferenceDate];
}
#endif
m_videoFrameHasDrawn = true;
m_player->repaint();
}
void MediaPlayerPrivateQTKit::paintCurrentFrameInContext(GraphicsContext* context, const IntRect& r)
{
id qtVideoRenderer = m_qtVideoRenderer.get();
if (!qtVideoRenderer && currentRenderingMode() == MediaRenderingMovieLayer) {
// We're being told to render into a context, but we already have the
// MovieLayer going. This probably means we've been called from <canvas>.
// Set up a QTVideoRenderer to use, but one that doesn't register for
// update callbacks. That way, it won't bother us asking to repaint.
createQTVideoRenderer(QTVideoRendererModeDefault);
qtVideoRenderer = m_qtVideoRenderer.get();
}
paint(context, r);
}
void MediaPlayerPrivateQTKit::paint(GraphicsContext* context, const IntRect& r)
{
if (context->paintingDisabled() || m_hasUnsupportedTracks)
return;
NSView *view = m_qtMovieView.get();
id qtVideoRenderer = m_qtVideoRenderer.get();
if (!view && !qtVideoRenderer)
return;
[m_objcObserver.get() setDelayCallbacks:YES];
BEGIN_BLOCK_OBJC_EXCEPTIONS;
NSGraphicsContext* newContext;
FloatSize scaleFactor(1.0f, -1.0f);
IntRect paintRect(IntPoint(0, 0), IntSize(r.width(), r.height()));
#if PLATFORM(QT) && USE(QTKIT)
// In Qt, GraphicsContext is a QPainter so every transformations applied on it won't matter because here
// the video is rendered by QuickTime not by Qt.
CGContextRef cgContext = static_cast<CGContextRef>([[NSGraphicsContext currentContext] graphicsPort]);
CGContextSaveGState(cgContext);
CGContextSetInterpolationQuality(cgContext, kCGInterpolationLow);
CGContextTranslateCTM(cgContext, r.x(), r.y() + r.height());
CGContextScaleCTM(cgContext, scaleFactor.width(), scaleFactor.height());
newContext = [NSGraphicsContext currentContext];
#else
GraphicsContextStateSaver stateSaver(*context);
context->translate(r.x(), r.y() + r.height());
context->scale(scaleFactor);
context->setImageInterpolationQuality(InterpolationLow);
newContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context->platformContext() flipped:NO];
#endif
// draw the current video frame
if (qtVideoRenderer) {
[NSGraphicsContext saveGraphicsState];
[NSGraphicsContext setCurrentContext:newContext];
[(id<WebKitVideoRenderingDetails>)qtVideoRenderer drawInRect:paintRect];
[NSGraphicsContext restoreGraphicsState];
} else {
if (m_rect != r) {
m_rect = r;
if (m_player->inMediaDocument()) {
// the QTMovieView needs to be placed in the proper location for document mode
[view setFrame:m_rect];
}
else {
// We don't really need the QTMovieView in any specific location so let's just get it out of the way
// where it won't intercept events or try to bring up the context menu.
IntRect farAwayButCorrectSize(m_rect);
farAwayButCorrectSize.move(-1000000, -1000000);
[view setFrame:farAwayButCorrectSize];
}
}
if (m_player->inMediaDocument()) {
// If we're using a QTMovieView in a media document, the view may get layer-backed. AppKit won't update
// the layer hosting correctly if we call displayRectIgnoringOpacity:inContext:, so use displayRectIgnoringOpacity:
// in this case. See <rdar://problem/6702882>.
[view displayRectIgnoringOpacity:paintRect];
} else
[view displayRectIgnoringOpacity:paintRect inContext:newContext];
}
#if DRAW_FRAME_RATE
// Draw the frame rate only after having played more than 10 frames.
if (m_frameCountWhilePlaying > 10) {
Frame* frame = m_player->frameView() ? m_player->frameView()->frame() : NULL;
Document* document = frame ? frame->document() : NULL;
RenderObject* renderer = document ? document->renderer() : NULL;
RenderStyle* styleToUse = renderer ? renderer->style() : NULL;
if (styleToUse) {
double frameRate = (m_frameCountWhilePlaying - 1) / ( m_startedPlaying ? ([NSDate timeIntervalSinceReferenceDate] - m_timeStartedPlaying) :
(m_timeStoppedPlaying - m_timeStartedPlaying) );
String text = String::format("%1.2f", frameRate);
TextRun textRun(text.characters(), text.length());
const Color color(255, 0, 0);
context->scale(FloatSize(1.0f, -1.0f));
context->setStrokeColor(color, styleToUse->colorSpace());
context->setStrokeStyle(SolidStroke);
context->setStrokeThickness(1.0f);
context->setFillColor(color, styleToUse->colorSpace());
context->drawText(styleToUse->font(), textRun, IntPoint(2, -3));
}
}
#endif
#if PLATFORM(QT) && USE(QTKIT)
CGContextRestoreGState(cgContext);
#endif
END_BLOCK_OBJC_EXCEPTIONS;
[m_objcObserver.get() setDelayCallbacks:NO];
}
static void addFileTypesToCache(NSArray * fileTypes, HashSet<String> &cache)
{
int count = [fileTypes count];
for (int n = 0; n < count; n++) {
CFStringRef ext = reinterpret_cast<CFStringRef>([fileTypes objectAtIndex:n]);
RetainPtr<CFStringRef> uti(AdoptCF, UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, ext, NULL));
if (!uti)
continue;
RetainPtr<CFStringRef> mime(AdoptCF, UTTypeCopyPreferredTagWithClass(uti.get(), kUTTagClassMIMEType));
if (mime)
cache.add(mime.get());
// -movieFileTypes: returns both file extensions and OSTypes. The later are surrounded by single
// quotes, eg. 'MooV', so don't bother looking at those.
if (CFStringGetCharacterAtIndex(ext, 0) != '\'') {
// UTI is missing many media related MIME types supported by QTKit (see rdar://6434168), and not all
// web servers use the MIME type UTI returns for an extension (see rdar://7875393), so even if UTI
// has a type for this extension add any types in hard coded table in the MIME type regsitry.
Vector<String> typesForExtension = MIMETypeRegistry::getMediaMIMETypesForExtension(ext);
unsigned count = typesForExtension.size();
for (unsigned ndx = 0; ndx < count; ++ndx) {
if (!cache.contains(typesForExtension[ndx]))
cache.add(typesForExtension[ndx]);
}
}
}
}
static HashSet<String> mimeCommonTypesCache()
{
DEFINE_STATIC_LOCAL(HashSet<String>, cache, ());
static bool typeListInitialized = false;
if (!typeListInitialized) {
typeListInitialized = true;
NSArray* fileTypes = [QTMovie movieFileTypes:QTIncludeCommonTypes];
addFileTypesToCache(fileTypes, cache);
}
return cache;
}
static HashSet<String> mimeModernTypesCache()
{
DEFINE_STATIC_LOCAL(HashSet<String>, cache, ());
static bool typeListInitialized = false;
if (!typeListInitialized) {
typeListInitialized = true;
NSArray* fileTypes = [QTMovie movieFileTypes:(QTMovieFileTypeOptions)wkQTIncludeOnlyModernMediaFileTypes()];
addFileTypesToCache(fileTypes, cache);
}
return cache;
}
void MediaPlayerPrivateQTKit::getSupportedTypes(HashSet<String>& supportedTypes)
{
supportedTypes = mimeModernTypesCache();
// Note: this method starts QTKitServer if it isn't already running when in 64-bit because it has to return the list
// of every MIME type supported by QTKit.
HashSet<String> commonTypes = mimeCommonTypesCache();
HashSet<String>::const_iterator it = commonTypes.begin();
HashSet<String>::const_iterator end = commonTypes.end();
for (; it != end; ++it)
supportedTypes.add(*it);
}
MediaPlayer::SupportsType MediaPlayerPrivateQTKit::supportsType(const String& type, const String& codecs)
{
// Only return "IsSupported" if there is no codecs parameter for now as there is no way to ask QT if it supports an
// extended MIME type yet.
// Due to <rdar://problem/10777059>, avoid calling the mime types cache functions if at
// all possible:
if (!type.startsWith("video/") && !type.startsWith("audio/"))
return MediaPlayer::IsNotSupported;
// We check the "modern" type cache first, as it doesn't require QTKitServer to start.
if (mimeModernTypesCache().contains(type) || mimeCommonTypesCache().contains(type))
return codecs.isEmpty() ? MediaPlayer::MayBeSupported : MediaPlayer::IsSupported;
return MediaPlayer::IsNotSupported;
}
bool MediaPlayerPrivateQTKit::isAvailable()
{
// On 10.5 and higher, QuickTime will always be new enough for <video> and <audio> support, so we just check that the framework can be loaded.
return QTKitLibrary();
}
void MediaPlayerPrivateQTKit::getSitesInMediaCache(Vector<String>& sites)
{
NSArray *mediaSites = wkQTGetSitesInMediaDownloadCache();
for (NSString *site in mediaSites)
sites.append(site);
}
void MediaPlayerPrivateQTKit::clearMediaCache()
{
wkQTClearMediaDownloadCache();
}
void MediaPlayerPrivateQTKit::clearMediaCacheForSite(const String& site)
{
wkQTClearMediaDownloadCacheForSite(site);
}
void MediaPlayerPrivateQTKit::disableUnsupportedTracks()
{
if (!m_qtMovie) {
m_enabledTrackCount = 0;
m_totalTrackCount = 0;
return;
}
static HashSet<String>* allowedTrackTypes = 0;
if (!allowedTrackTypes) {
allowedTrackTypes = new HashSet<String>;
allowedTrackTypes->add(QTMediaTypeVideo);
allowedTrackTypes->add(QTMediaTypeSound);
allowedTrackTypes->add(QTMediaTypeText);
allowedTrackTypes->add(QTMediaTypeBase);
allowedTrackTypes->add(QTMediaTypeMPEG);
allowedTrackTypes->add("clcp"); // Closed caption
allowedTrackTypes->add("sbtl"); // Subtitle
allowedTrackTypes->add("odsm"); // MPEG-4 object descriptor stream
allowedTrackTypes->add("sdsm"); // MPEG-4 scene description stream
allowedTrackTypes->add("tmcd"); // timecode
allowedTrackTypes->add("tc64"); // timcode-64
allowedTrackTypes->add("tmet"); // timed metadata
}
NSArray *tracks = [m_qtMovie.get() tracks];
m_totalTrackCount = [tracks count];
m_enabledTrackCount = m_totalTrackCount;
for (unsigned trackIndex = 0; trackIndex < m_totalTrackCount; trackIndex++) {
// Grab the track at the current index. If there isn't one there, then
// we can move onto the next one.
QTTrack *track = [tracks objectAtIndex:trackIndex];
if (!track)
continue;
// Check to see if the track is disabled already, we should move along.
// We don't need to re-disable it.
if (![track isEnabled]) {
--m_enabledTrackCount;
continue;
}
// Get the track's media type.
NSString *mediaType = [track attributeForKey:QTTrackMediaTypeAttribute];
if (!mediaType)
continue;
// Test whether the media type is in our white list.
if (!allowedTrackTypes->contains(mediaType)) {
// If this track type is not allowed, then we need to disable it.
[track setEnabled:NO];
--m_enabledTrackCount;
m_hasUnsupportedTracks = true;
}
// Disable chapter tracks. These are most likely to lead to trouble, as
// they will be composited under the video tracks, forcing QT to do extra
// work.
QTTrack *chapterTrack = [track performSelector:@selector(chapterlist)];
if (!chapterTrack)
continue;
// Try to grab the media for the track.
QTMedia *chapterMedia = [chapterTrack media];
if (!chapterMedia)
continue;
// Grab the media type for this track.
id chapterMediaType = [chapterMedia attributeForKey:QTMediaTypeAttribute];
if (!chapterMediaType)
continue;
// Check to see if the track is a video track. We don't care about
// other non-video tracks.
if (![chapterMediaType isEqual:QTMediaTypeVideo])
continue;
// Check to see if the track is already disabled. If it is, we
// should move along.
if (![chapterTrack isEnabled])
continue;
// Disable the evil, evil track.
[chapterTrack setEnabled:NO];
--m_enabledTrackCount;
m_hasUnsupportedTracks = true;
}
}
void MediaPlayerPrivateQTKit::sawUnsupportedTracks()
{
m_hasUnsupportedTracks = true;
m_player->mediaPlayerClient()->mediaPlayerSawUnsupportedTracks(m_player);
}
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
bool MediaPlayerPrivateQTKit::supportsAcceleratedRendering() const
{
return isReadyForVideoSetup() && getQTMovieLayerClass() != Nil;
}
void MediaPlayerPrivateQTKit::acceleratedRenderingStateChanged()
{
// Set up or change the rendering path if necessary.
setUpVideoRendering();
}
#endif
bool MediaPlayerPrivateQTKit::hasSingleSecurityOrigin() const
{
if (!m_qtMovie)
return false;
RefPtr<SecurityOrigin> resolvedOrigin = SecurityOrigin::create(KURL(wkQTMovieResolvedURL(m_qtMovie.get())));
RefPtr<SecurityOrigin> requestedOrigin = SecurityOrigin::createFromString(m_movieURL);
return resolvedOrigin->isSameSchemeHostPort(requestedOrigin.get());
}
MediaPlayer::MovieLoadType MediaPlayerPrivateQTKit::movieLoadType() const
{
if (!m_qtMovie)
return MediaPlayer::Unknown;
MediaPlayer::MovieLoadType movieType = (MediaPlayer::MovieLoadType)wkQTMovieGetType(m_qtMovie.get());
// Can't include WebKitSystemInterface from WebCore so we can't get the enum returned
// by wkQTMovieGetType, but at least verify that the value is in the valid range.
ASSERT(movieType >= MediaPlayer::Unknown && movieType <= MediaPlayer::LiveStream);
return movieType;
}
void MediaPlayerPrivateQTKit::setPreload(MediaPlayer::Preload preload)
{
m_preload = preload;
if (m_preload == MediaPlayer::None)
return;
if (!m_qtMovie)
resumeLoad();
else if (m_preload == MediaPlayer::Auto)
[m_qtMovie.get() setAttribute:[NSNumber numberWithBool:NO] forKey:@"QTMovieLimitReadAheadAttribute"];
}
float MediaPlayerPrivateQTKit::mediaTimeForTimeValue(float timeValue) const
{
if (!metaDataAvailable())
return timeValue;
QTTime qttime = createQTTime(timeValue);
return static_cast<float>(qttime.timeValue) / qttime.timeScale;
}
void MediaPlayerPrivateQTKit::setPrivateBrowsingMode(bool privateBrowsing)
{
m_privateBrowsing = privateBrowsing;
if (!m_qtMovie)
return;
[m_qtMovie.get() setAttribute:[NSNumber numberWithBool:!privateBrowsing] forKey:@"QTMovieAllowPersistentCacheAttribute"];
}
} // namespace WebCore
@implementation WebCoreMovieObserver
- (id)initWithCallback:(MediaPlayerPrivateQTKit*)callback
{
m_callback = callback;
return [super init];
}
- (void)disconnect
{
[NSObject cancelPreviousPerformRequestsWithTarget:self];
m_callback = 0;
}
-(NSMenu*)menuForEventDelegate:(NSEvent*)theEvent
{
// Get the contextual menu from the QTMovieView's superview, the frame view
return [[m_view superview] menuForEvent:theEvent];
}
-(void)setView:(NSView*)view
{
m_view = view;
}
-(void)repaint
{
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0.];
else if (m_callback)
m_callback->repaint();
}
- (void)loadStateChanged:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0];
else
m_callback->loadStateChanged();
}
- (void)rateChanged:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0];
else
m_callback->rateChanged();
}
- (void)sizeChanged:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0];
else
m_callback->sizeChanged();
}
- (void)timeChanged:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0];
else
m_callback->timeChanged();
}
- (void)didEnd:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
if (m_delayCallbacks)
[self performSelector:_cmd withObject:nil afterDelay:0];
else
m_callback->didEnd();
}
- (void)newImageAvailable:(NSNotification *)unusedNotification
{
UNUSED_PARAM(unusedNotification);
[self repaint];
}
- (void)layerHostChanged:(NSNotification *)notification
{
#if USE(ACCELERATED_COMPOSITING) && !(PLATFORM(QT) && USE(QTKIT))
CALayer* rootLayer = static_cast<CALayer*>([notification object]);
m_callback->layerHostChanged(rootLayer);
#else
UNUSED_PARAM(notification);
#endif
}
- (void)setDelayCallbacks:(BOOL)shouldDelay
{
m_delayCallbacks = shouldDelay;
}
@end
#endif