/* $Id: HBPreviewController.mm,v 1.11 2005/08/01 15:10:44 titer Exp $ This file is part of the HandBrake source code. Homepage: . It may be used under the terms of the GNU General Public License. */ #import "HBPreviewController.h" #import "HBPreviewGenerator.h" #import "HBPictureController.h" #import @implementation QTMovieView (HBQTMovieViewExtensions) - (void) mouseMoved: (NSEvent *) theEvent { [super mouseMoved:theEvent]; } @end @implementation QTMovie (HBQTMovieExtensions) - (BOOL) isPlaying { if ([self rate] > 0) return YES; else return NO; } - (NSString *) timecode { QTTime time = [self currentTime]; double timeInSeconds = (double)time.timeValue / time.timeScale; UInt16 seconds = (UInt16)fmod(timeInSeconds, 60.0); UInt16 minutes = (UInt16)fmod(timeInSeconds / 60.0, 60.0); UInt16 hours = (UInt16)(timeInSeconds / (60.0 * 60.0)); UInt16 milliseconds = (UInt16)(timeInSeconds - (int) timeInSeconds) * 1000; return [NSString stringWithFormat:@"%02d:%02d:%02d.%03d", hours, minutes, seconds, milliseconds]; } - (void) setCurrentTimeDouble: (double) value { long timeScale = [[self attributeForKey:QTMovieTimeScaleAttribute] longValue]; [self setCurrentTime:QTMakeTime((long long)value * timeScale, timeScale)]; } @end #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070 @interface NSWindow(HBExtensions) @property (readonly) CGFloat backingScaleFactor; @end #endif #define BORDER_SIZE 2.0 // make min width and height of preview window large enough for hud #define MIN_WIDTH 480.0 #define MIN_HEIGHT 360.0 #define ANIMATION_DUR 0.15 typedef enum ViewMode : NSUInteger { ViewModePicturePreview, ViewModeEncoding, ViewModeMoviePreview } ViewMode; @interface HBPreviewController () { /* HUD boxes */ IBOutlet NSView * fPictureControlBox; IBOutlet NSView * fEncodingControlBox; IBOutlet NSView * fMoviePlaybackControlBox; IBOutlet NSSlider * fPictureSlider; IBOutlet NSTextField * fInfoField; IBOutlet NSTextField * fscaleInfoField; /* Full Screen Mode Toggle */ IBOutlet NSButton * fScaleToScreenToggleButton; /* Movie Previews */ IBOutlet QTMovieView * fMovieView; /* Playback Panel Controls */ IBOutlet NSButton * fPlayPauseButton; IBOutlet NSSlider * fMovieScrubberSlider; IBOutlet NSTextField * fMovieInfoField; IBOutlet NSProgressIndicator * fMovieCreationProgressIndicator; IBOutlet NSTextField * fPreviewMovieStatusField; /* Popup of choices for length of preview in seconds */ IBOutlet NSPopUpButton * fPreviewMovieLengthPopUp; } @property (nonatomic, readwrite) HBPictureController *pictureSettingsWindow; @property (nonatomic, strong) CALayer *backLayer; @property (nonatomic, strong) CALayer *pictureLayer; @property (nonatomic) CGFloat backingScaleFactor; @property (nonatomic) ViewMode currentViewMode; @property (nonatomic) BOOL scaleToScreen; @property (nonatomic, strong) NSTimer *hudTimer; @property (nonatomic) NSUInteger pictureIndex; @property (nonatomic, strong) QTMovie *movie; @property (nonatomic, strong) NSTimer *movieTimer; /* Pictures HUD actions */ - (IBAction) previewDurationPopUpChanged: (id) sender; - (IBAction) pictureSliderChanged: (id) sender; - (IBAction) showPictureSettings:(id)sender; - (IBAction) toggleScaleToScreen:(id)sender; - (IBAction) cancelCreateMoviePreview: (id) sender; - (IBAction) createMoviePreview: (id) sender; /* Movie HUD actions */ - (IBAction) showPicturesPreview: (id) sender; - (IBAction) toggleMoviePreviewPlayPause: (id) sender; - (IBAction) moviePlaybackGoToBeginning: (id) sender; - (IBAction) moviePlaybackGoToEnd: (id) sender; - (IBAction) previewScrubberChanged: (id) sender; @end @implementation HBPreviewController - (instancetype)init { self = [super initWithWindowNibName:@"PicturePreview"]; return self; } - (void)windowDidLoad { [[self window] setDelegate:self]; if( ![[self window] setFrameUsingName:@"Preview"] ) [[self window] center]; [self setWindowFrameAutosaveName:@"Preview"]; [[self window] setExcludedFromWindowsMenu:YES]; /* lets set the preview window to accept mouse moved events */ [[self window] setAcceptsMouseMovedEvents:YES]; /* we set the progress indicator to not use threaded animation * as it causes a conflict with the qtmovieview's controllerbar */ [fMovieCreationProgressIndicator setUsesThreadedAnimation:NO]; [fMovieView setHidden:YES]; [fMovieView setDelegate:self]; [fMovieView setControllerVisible:NO]; /* we set the preview length popup in seconds */ [fPreviewMovieLengthPopUp removeAllItems]; [fPreviewMovieLengthPopUp addItemsWithTitles:@[@"15", @"30", @"45", @"60", @"90", @"120", @"150", @"180", @"210", @"240"]]; if ([[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewLength"]) [fPreviewMovieLengthPopUp selectItemWithTitle:[[NSUserDefaults standardUserDefaults] objectForKey:@"PreviewLength"]]; if (![fPreviewMovieLengthPopUp selectedItem]) /* currently hard set default to 15 seconds */ [fPreviewMovieLengthPopUp selectItemAtIndex: 0]; /* Setup our layers for core animation */ [[[self window] contentView] setWantsLayer:YES]; self.backLayer = [CALayer layer]; [self.backLayer setBounds:CGRectMake(0.0, 0.0, MIN_WIDTH, MIN_HEIGHT)]; [self.backLayer setPosition:CGPointMake([[[self window] contentView] frame].size.width /2, [[[self window] contentView] frame].size.height /2)]; [self.backLayer setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable]; CGColorRef white = CGColorCreateGenericRGB(1.0, 1.0, 1.0, 1.0); [self.backLayer setBackgroundColor: white]; CFRelease(white); [self.backLayer setShadowOpacity:0.5f]; [self.backLayer setShadowOffset:CGSizeMake(0, 0)]; self.pictureLayer = [CALayer layer]; [self.pictureLayer setBounds:CGRectMake(0.0, 0.0, MIN_WIDTH - (BORDER_SIZE * 2), MIN_HEIGHT - (BORDER_SIZE * 2))]; [self.pictureLayer setPosition:CGPointMake([[[self window] contentView] frame].size.width /2, [[[self window] contentView] frame].size.height /2)]; [self.pictureLayer setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable]; // Disable fade on contents change NSMutableDictionary *actions = [NSMutableDictionary dictionaryWithDictionary:[self.pictureLayer actions]]; actions[@"contents"] = [NSNull null]; [self.pictureLayer setActions:actions]; [[[[self window] contentView] layer] insertSublayer:self.backLayer below: [fMovieView layer]]; [[[[self window] contentView] layer] insertSublayer:self.pictureLayer below: [fMovieView layer]]; /* relocate our hud origins */ NSPoint hudControlBoxOrigin = [fMoviePlaybackControlBox frame].origin; [fPictureControlBox setFrameOrigin:hudControlBoxOrigin]; [fEncodingControlBox setFrameOrigin:hudControlBoxOrigin]; [fMoviePlaybackControlBox setFrameOrigin:hudControlBoxOrigin]; [self hideHud]; /* set the current scale factor */ if( [[self window] respondsToSelector:@selector( backingScaleFactor )] ) self.backingScaleFactor = [[self window] backingScaleFactor]; else self.backingScaleFactor = 1.0; } - (void)setGenerator:(HBPreviewGenerator *)generator { if (_generator) { _generator.delegate = nil; [_generator cancel]; } _generator = generator; if (generator) { generator.delegate = self; // adjust the preview slider length [fPictureSlider setMaxValue: generator.imagesCount - 1.0]; [fPictureSlider setNumberOfTickMarks: generator.imagesCount]; [self switchViewToMode:ViewModePicturePreview]; [self displayPreview]; } else { [self.pictureLayer setContents:nil]; self.window.title = NSLocalizedString(@"Preview", nil); } } - (void) reloadPreviews { if (self.generator) { [self switchViewToMode:ViewModePicturePreview]; [self displayPreview]; } } - (void) showWindow: (id) sender { [super showWindow:sender]; if (self.currentViewMode == ViewModeMoviePreview) { [self startMovieTimer]; } else { [self reloadPreviews]; } } - (void) windowWillClose: (NSNotification *) aNotification { if (self.currentViewMode == ViewModeEncoding) { [self cancelCreateMoviePreview:self]; } else if (self.currentViewMode == ViewModeMoviePreview) { [fMovieView pause:self]; [self stopMovieTimer]; } [self.pictureSettingsWindow close]; [self.generator purgeImageCache]; } - (void) windowDidChangeBackingProperties: (NSNotification *) notification { NSWindow *theWindow = (NSWindow *)[notification object]; CGFloat newBackingScaleFactor = [theWindow backingScaleFactor]; CGFloat oldBackingScaleFactor = [[notification userInfo][@"NSBackingPropertyOldScaleFactorKey"] doubleValue]; if (newBackingScaleFactor != oldBackingScaleFactor) { // Scale factor changed, update the preview window // to the new situation self.backingScaleFactor = newBackingScaleFactor; if (self.generator) [self reloadPreviews]; } } /** * Given the size of the preview image to be shown, returns the best possible * size for the view. */ - (NSSize) optimalViewSizeForImageSize: (NSSize) imageSize { CGFloat minWidth = MIN_WIDTH; CGFloat minHeight = MIN_HEIGHT; NSSize screenSize = [[[self window] screen] visibleFrame].size; CGFloat maxWidth = screenSize.width; CGFloat maxHeight = screenSize.height; NSSize resultSize = imageSize; CGFloat resultPar = resultSize.width / resultSize.height; //note, a mbp 15" at 1440 x 900 is a 1.6 ar CGFloat screenAspect = screenSize.width / screenSize.height; if ( resultSize.width > maxWidth || resultSize.height > maxHeight ) { // Source is larger than screen in one or more dimensions if ( resultPar > screenAspect ) { // Source aspect wider than screen aspect, snap to max width and vary height resultSize.width = maxWidth; resultSize.height = (maxWidth / resultPar); } else { // Source aspect narrower than screen aspect, snap to max height vary width resultSize.height = maxHeight; resultSize.width = (maxHeight * resultPar); } } // If necessary, grow to minimum dimensions to ensure controls overlay is not obstructed if ( resultSize.width < minWidth ) resultSize.width = minWidth; if ( resultSize.height < minHeight ) resultSize.height = minHeight; return resultSize; } /** * Resizes the entire window to accomodate a view of a particular size. */ - (void)resizeWindowForViewSize:(NSSize)viewSize animate:(BOOL)performAnimation { NSSize currentSize = [[[self window] contentView] frame].size; NSRect frame = [[self window] frame]; // Calculate border around content region of the frame int borderX = (int)(frame.size.width - currentSize.width); int borderY = (int)(frame.size.height - currentSize.height); // Make sure the frame is smaller than the screen NSSize maxSize = [[[self window] screen] visibleFrame].size; /* if we are not Scale To Screen, put an 10% of visible screen on the window */ if (self.scaleToScreen == NO) { maxSize.width = maxSize.width * 0.90; maxSize.height = maxSize.height * 0.90; } // Set the new frame size // Add the border to the new frame size so that the content region // of the frame is large enough to accomodate the preview image frame.size.width = viewSize.width + borderX; frame.size.height = viewSize.height + borderY; /* compare frame to max size of screen */ if( frame.size.width > maxSize.width ) { frame.size.width = maxSize.width; } if( frame.size.height > maxSize.height ) { frame.size.height = maxSize.height; } /* Since upon launch we can open up the preview window if it was open * the last time we quit (and at the size it was) we want to make * sure that upon resize we do not have the window off the screen * So check the origin against the screen origin and adjust if * necessary. */ NSSize screenSize = [[[self window] screen] visibleFrame].size; NSPoint screenOrigin = [[[self window] screen] visibleFrame].origin; /* our origin is off the screen to the left*/ if (frame.origin.x < screenOrigin.x) { /* so shift our origin to the right */ frame.origin.x = screenOrigin.x; } else if ((frame.origin.x + frame.size.width) > (screenOrigin.x + screenSize.width)) { /* the right side of the preview is off the screen, so shift to the left */ frame.origin.x = (screenOrigin.x + screenSize.width) - frame.size.width; } if (self.scaleToScreen == YES) { /* our origin is off the screen to the top*/ if (frame.origin.y < screenOrigin.y) { /* so shift our origin to the bottom */ frame.origin.y = screenOrigin.y; } else if ((frame.origin.y + frame.size.height) > (screenOrigin.y + screenSize.height)) { /* the top side of the preview is off the screen, so shift to the bottom */ frame.origin.y = (screenOrigin.y + screenSize.height) - frame.size.height; } } [[self window] setFrame:frame display:YES animate:performAnimation]; } /** * Enable/Disable an arbitrary number of UI elements. * @param boxes an array of UI elements * @param indexes a set of indexes of the elements in boxes to be enabled */ - (void) toggleBoxes: (NSArray *) boxes usingIndexes: (NSIndexSet *) indexes { [NSAnimationContext beginGrouping]; [[NSAnimationContext currentContext] setDuration:ANIMATION_DUR]; [boxes enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { BOOL hide = [indexes containsIndex:idx] ? NO : YES; if (hide) { [self hideHudWithAnimation:obj]; } else { [self showHudWithAnimation:obj]; } }]; [NSAnimationContext endGrouping]; } /** * Switch the preview controller to one of his view mode: * ViewModePicturePreview, ViewModeEncoding, ViewModeMoviePreview * This methods is the only way to change the mode, do not try otherwise. * @param mode ViewMode mode */ - (void) switchViewToMode: (ViewMode) mode { switch (mode) { case ViewModePicturePreview: { if (self.currentViewMode == ViewModeEncoding) { [self toggleBoxes:@[fPictureControlBox, fEncodingControlBox] usingIndexes:[NSIndexSet indexSetWithIndex:0]]; [fMovieCreationProgressIndicator stopAnimation:self]; } else if (self.currentViewMode == ViewModeMoviePreview) { /* Stop playback and remove the observers */ [fMovieView pause:self]; [self stopMovieTimer]; [self removeMovieObservers]; [self toggleBoxes:@[fPictureControlBox, fMoviePlaybackControlBox, fMovieView] usingIndexes:[NSIndexSet indexSetWithIndex:0]]; /* Release the movie */ [fMovieView setMovie:nil]; self.movie = nil; } break; } case ViewModeEncoding: { [fMovieCreationProgressIndicator setDoubleValue:0]; [fMovieCreationProgressIndicator startAnimation:self]; [self toggleBoxes:@[fEncodingControlBox, fPictureControlBox, fMoviePlaybackControlBox] usingIndexes:[NSIndexSet indexSetWithIndex:0]]; break; } case ViewModeMoviePreview: { [self toggleBoxes:@[fMovieView, fMoviePlaybackControlBox, fEncodingControlBox, fPictureControlBox] usingIndexes:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, 2)]]; [fMovieCreationProgressIndicator stopAnimation:self]; [self initPreviewScrubberForMovie]; [self startMovieTimer]; /* Install movie notifications */ [self addMovieObservers]; } break; default: break; } self.currentViewMode = mode; } - (void) dealloc { [self removeMovieObservers]; [_hudTimer invalidate]; [_movieTimer invalidate]; [_generator cancel]; } #pragma mark - #pragma mark Hud Control Overlay - (void) mouseMoved: (NSEvent *) theEvent { [super mouseMoved:theEvent]; NSPoint mouseLoc = [theEvent locationInWindow]; /* Test for mouse location to show/hide hud controls */ if (self.currentViewMode != ViewModeEncoding && self.generator) { /* Since we are not encoding, verify which control hud to show * or hide based on aMovie ( aMovie indicates we need movie controls ) */ NSView *hud; if (self.currentViewMode == !ViewModeMoviePreview) // No movie loaded up { hud = fPictureControlBox; } else // We have a movie { hud = fMoviePlaybackControlBox; } if (NSPointInRect(mouseLoc, [hud frame])) { [self showHudWithAnimation:hud]; [self stopHudTimer]; } else if (NSPointInRect(mouseLoc, [[[self window] contentView] frame])) { [self showHudWithAnimation:hud]; [self startHudTimer]; } else { [self hideHudWithAnimation:hud]; [self stopHudTimer]; } } } - (void)showHudWithAnimation:(NSView *)hud { // The standard view animator doesn't play // nicely with the Yosemite visual effects yet. // So let's do the fade ourself. if (hud.layer.opacity == 0 || [hud isHidden]) { [hud setHidden:NO]; [CATransaction begin]; CABasicAnimation *fadeInAnimation = [CABasicAnimation animationWithKeyPath:@"opacity"]; fadeInAnimation.fromValue = @(0.0); fadeInAnimation.toValue = @(1.0); fadeInAnimation.beginTime = 0.0; fadeInAnimation.duration = ANIMATION_DUR; [hud.layer addAnimation:fadeInAnimation forKey:nil]; [hud.layer setOpacity:1]; [CATransaction commit]; } } - (void)hideHudWithAnimation:(NSView *)hud { if (hud.layer.opacity != 0) { [CATransaction begin]; [CATransaction setCompletionBlock:^{ if (hud.layer.opacity == 0) { [hud setHidden:YES]; } }]; CABasicAnimation *fadeInAnimation = [CABasicAnimation animationWithKeyPath:@"opacity"]; fadeInAnimation.fromValue = @([hud.layer.presentationLayer opacity]); fadeInAnimation.toValue = @(0.0); fadeInAnimation.beginTime = 0.0; fadeInAnimation.duration = ANIMATION_DUR; [hud.layer addAnimation:fadeInAnimation forKey:nil]; [hud.layer setOpacity:0]; [CATransaction commit]; } } - (void)hideHud { [fPictureControlBox setHidden:YES]; [fMoviePlaybackControlBox setHidden:YES]; [fEncodingControlBox setHidden:YES]; } - (void) startHudTimer { if (self.hudTimer) { [self.hudTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:8.0]]; } else { self.hudTimer = [NSTimer scheduledTimerWithTimeInterval:8.0 target:self selector:@selector(hudTimerFired:) userInfo:nil repeats:YES]; } } - (void) stopHudTimer { [self.hudTimer invalidate]; self.hudTimer = nil; } - (void) hudTimerFired: (NSTimer *)theTimer { /* Regardless which control box is active, after the timer * period we want either one to fade to hidden. */ [self hideHudWithAnimation:fPictureControlBox]; [self hideHudWithAnimation:fMoviePlaybackControlBox]; [self stopHudTimer]; } #pragma mark - #pragma mark Still previews mode /** * Adjusts the window to draw the current picture (fPicture) adjusting its size as * necessary to display as much of the picture as possible. */ - (void) displayPreview { if (self.window.isVisible) { CGImageRef fPreviewImage = [self.generator copyImageAtIndex:self.pictureIndex shouldCache:YES]; [self.pictureLayer setContents:(__bridge id)(fPreviewImage)]; CFRelease(fPreviewImage); } // Set the picture size display fields below the Preview Picture NSSize imageScaledSize = [self.generator imageSize]; if (self.backingScaleFactor != 1.0) { // HiDPI mode usually display everything // with douple pixel count, but we don't // want to double the size of the video imageScaledSize.height /= self.backingScaleFactor; imageScaledSize.width /= self.backingScaleFactor; } // Get the optimal view size for the image NSSize viewSize = [self optimalViewSizeForImageSize:imageScaledSize]; viewSize.width += BORDER_SIZE * 2; viewSize.height += BORDER_SIZE * 2; NSSize windowSize; if (self.scaleToScreen == YES) { // Scale the window to the max possible size windowSize = [[[self window] screen] visibleFrame].size; } else { // Scale the window to the image size windowSize = viewSize; } [self resizeWindowForViewSize:windowSize animate:self.window.isVisible]; NSSize areaSize = [[[self window] contentView] frame].size; areaSize.width -= BORDER_SIZE * 2; areaSize.height -= BORDER_SIZE * 2; if (self.scaleToScreen == YES) { // We are in Scale To Screen mode so, we have to get the ratio for height and width against the window // size so we can scale from there. CGFloat pictureAspectRatio = imageScaledSize.width / imageScaledSize.height; CGFloat areaAspectRatio = areaSize.width / areaSize.height; if (pictureAspectRatio > areaAspectRatio) { viewSize.width = areaSize.width; viewSize.height = viewSize.width / pictureAspectRatio; } else { viewSize.height = areaSize.height; viewSize.width = viewSize.height * pictureAspectRatio; } } else { // If the image is larger then the window, scale the image viewSize = imageScaledSize; if (imageScaledSize.width > areaSize.width || imageScaledSize.height > areaSize.height) { CGFloat pictureAspectRatio = imageScaledSize.width / imageScaledSize.height; CGFloat areaAspectRatio = areaSize.width / areaSize.height; if (pictureAspectRatio > areaAspectRatio) { viewSize.width = areaSize.width; viewSize.height = viewSize.width / pictureAspectRatio; } else { viewSize.height = areaSize.height; viewSize.width = viewSize.height * pictureAspectRatio; } } } // Resize the CALayers [self.backLayer setBounds:CGRectMake(0, 0, viewSize.width + (BORDER_SIZE * 2), viewSize.height + (BORDER_SIZE * 2))]; [self.pictureLayer setBounds:CGRectMake(0, 0, viewSize.width, viewSize.height)]; CGFloat scale = self.pictureLayer.frame.size.width / imageScaledSize.width; NSString *scaleString; if (scale * 100.0 != 100) { scaleString = [NSString stringWithFormat:@" (%.0f%% actual size)", scale * 100.0]; } else { scaleString = @"(Actual size)"; } if (_scaleToScreen == YES) { scaleString = [scaleString stringByAppendingString:@" Scaled To Screen"]; } // Set the info fields in the hud controller [fInfoField setStringValue:self.generator.info]; [fscaleInfoField setStringValue:scaleString]; // Set the info field in the window title bar [self.window setTitle:[NSString stringWithFormat:@"Preview - %@ %@", self.generator.info, scaleString]]; } - (IBAction) previewDurationPopUpChanged: (id) sender { [[NSUserDefaults standardUserDefaults] setObject:[fPreviewMovieLengthPopUp titleOfSelectedItem] forKey:@"PreviewLength"]; } - (IBAction) pictureSliderChanged: (id) sender { if ((self.pictureIndex != [fPictureSlider intValue] || !sender) && self.generator) { self.pictureIndex = [fPictureSlider intValue]; [self displayPreview]; } } - (IBAction) toggleScaleToScreen: (id) sender { if (self.scaleToScreen == YES) { self.scaleToScreen = NO; /* make sure we are set to a still preview */ [self displayPreview]; [fScaleToScreenToggleButton setTitle:@"Scale To Screen"]; } else { self.scaleToScreen = YES; /* make sure we are set to a still preview */ [self displayPreview]; [fScaleToScreenToggleButton setTitle:@"Actual Scale"]; } } - (IBAction) showPictureSettings: (id) sender { if (self.pictureSettingsWindow == nil) { self.pictureSettingsWindow = [[HBPictureController alloc] init]; } self.pictureSettingsWindow.picture = self.picture; [self.pictureSettingsWindow showWindow:self]; } #pragma mark - #pragma mark Movie preview mode - (void) updateProgress: (double) progress info: (NSString *) progressInfo { [fPreviewMovieStatusField setStringValue: progressInfo]; [fMovieCreationProgressIndicator setIndeterminate: NO]; [fMovieCreationProgressIndicator setDoubleValue: progress]; } - (void)didCancelMovieCreation { [self switchViewToMode:ViewModePicturePreview]; } - (void) didCreateMovieAtURL: (NSURL *) fileURL { /* Load the new movie into fMovieView */ if (fileURL) { NSError *outError; NSDictionary *movieAttributes = @{QTMovieURLAttribute: fileURL, QTMovieAskUnresolvedDataRefsAttribute: @(NO), @"QTMovieOpenForPlaybackAttribute": @(YES), @"QTMovieOpenAsyncRequiredAttribute": @(NO), @"QTMovieOpenAsyncOKAttribute": @(NO), @"QTMovieIsSteppableAttribute": @(YES), QTMovieApertureModeAttribute: QTMovieApertureModeClean}; QTMovie *movie = [[QTMovie alloc] initWithAttributes:movieAttributes error:&outError]; if (!movie) { NSAlert *alert = [NSAlert alertWithMessageText:NSLocalizedString(@"HandBrake can't open the preview.", nil) defaultButton:NSLocalizedString(@"Open in external player", nil) alternateButton:NSLocalizedString(@"Cancel", nil) otherButton:nil informativeTextWithFormat:NSLocalizedString(@"HandBrake can't playback this combination of video/audio/container format. Do you want to open it in an external player?", nil)]; [alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) { if (returnCode == NSModalResponseOK) { [[NSWorkspace sharedWorkspace] openURL:fileURL]; } }]; [self switchViewToMode:ViewModePicturePreview]; } else { /* Scale the fMovieView to the picture player size */ [fMovieView setFrameSize:[self.pictureLayer frame].size]; [fMovieView setFrameOrigin:[self.pictureLayer frame].origin]; [fMovieView setMovie:movie]; [movie setDelegate:self]; // get and enable subtitles NSArray *subtitlesArray = [movie tracksOfMediaType: @"sbtl"]; if (subtitlesArray && [subtitlesArray count]) { // enable the first tx3g subtitle track [subtitlesArray[0] setEnabled: YES]; } else { // Perian subtitles subtitlesArray = [movie tracksOfMediaType: QTMediaTypeVideo]; if (subtitlesArray && ([subtitlesArray count] >= 2)) { // track 0 should be video, other video tracks should // be subtitles; force-enable the first subs track [subtitlesArray[1] setEnabled: YES]; } } // to actually play the movie self.movie = movie; [self switchViewToMode:ViewModeMoviePreview]; [fMovieView play:movie]; } } } - (IBAction) cancelCreateMoviePreview: (id) sender { [self.generator cancel]; } - (IBAction) createMoviePreview: (id) sender { if (!self.generator) return; if ([self.generator createMovieAsyncWithImageAtIndex:self.pictureIndex duration:[[fPreviewMovieLengthPopUp titleOfSelectedItem] intValue]]) { [self switchViewToMode:ViewModeEncoding]; } } - (IBAction) toggleMoviePreviewPlayPause: (id) sender { /* make sure a movie is even loaded up */ if (self.movie) { if ([self.movie isPlaying]) // we are playing { [fMovieView pause:self.movie]; [fPlayPauseButton setState: NSOnState]; } else // we are paused or stopped { [fMovieView play:self.movie]; [fPlayPauseButton setState: NSOffState]; } } } - (IBAction) moviePlaybackGoToBeginning: (id) sender { [fMovieView gotoBeginning:self.movie]; } - (IBAction) moviePlaybackGoToEnd: (id) sender { [fMovieView gotoEnd:self.movie]; } - (void) startMovieTimer { if (!self.movieTimer) { self.movieTimer = [NSTimer scheduledTimerWithTimeInterval:0.09 target:self selector:@selector(movieTimerFired:) userInfo:nil repeats:YES]; } } - (void) stopMovieTimer { [self.movieTimer invalidate]; self.movieTimer = nil; } - (void) movieTimerFired: (NSTimer *)theTimer { if (self.movie != nil) { [self adjustPreviewScrubberForCurrentMovieTime]; [fMovieInfoField setStringValue: [self.movie timecode]]; } } - (IBAction) showPicturesPreview: (id) sender { [self switchViewToMode:ViewModePicturePreview]; } #pragma mark - #pragma mark Movie Playback Scrubber // Initialize the preview scrubber min/max to appropriate values for the current movie - (void) initPreviewScrubberForMovie { QTTime duration = [self.movie duration]; CGFloat result = duration.timeValue / duration.timeScale; [fMovieScrubberSlider setMinValue:0.0]; [fMovieScrubberSlider setMaxValue: result]; [fMovieScrubberSlider setDoubleValue: 0.0]; } - (void) adjustPreviewScrubberForCurrentMovieTime { QTTime time = [self.movie currentTime]; CGFloat result = (CGFloat)time.timeValue / (CGFloat)time.timeScale;; [fMovieScrubberSlider setDoubleValue:result]; } - (IBAction) previewScrubberChanged: (id) sender { [fMovieView pause:self.movie]; [self.movie setCurrentTimeDouble:[fMovieScrubberSlider doubleValue]]; [fMovieInfoField setStringValue: [self.movie timecode]]; } #pragma mark - #pragma mark Movie Notifications - (void) addMovieObservers { /* Notification for any time the movie rate changes */ [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieRateDidChange:) name:@"QTMovieRateDidChangeNotification" object:self.movie]; } - (void) removeMovieObservers { /*Notification for any time the movie rate changes */ [[NSNotificationCenter defaultCenter] removeObserver:self name:@"QTMovieRateDidChangeNotification" object:self.movie]; } - (void) movieRateDidChange: (NSNotification *) notification { if ([self.movie isPlaying]) [fPlayPauseButton setState: NSOnState]; else [fPlayPauseButton setState: NSOffState]; } #pragma mark - #pragma mark Keyboard and mouse wheel control /* fMovieView Keyboard controls */ - (void) keyDown: (NSEvent *) event { unichar key = [[event charactersIgnoringModifiers] characterAtIndex:0]; QTMovie *movie = self.movie; if (movie) { if (key == 32) { if ([movie isPlaying]) [fMovieView pause:movie]; else [fMovieView play:movie]; } else if (key == 'k') [fMovieView pause:movie]; else if (key == 'l') { float rate = [movie rate]; rate += 1.0f; [fMovieView play:movie]; [movie setRate:rate]; } else if (key == 'j') { float rate = [movie rate]; rate -= 1.0f; [fMovieView play:movie]; [movie setRate:rate]; } else if ([event modifierFlags] & NSAlternateKeyMask && key == NSLeftArrowFunctionKey) [fMovieView gotoBeginning:self]; else if ([event modifierFlags] & NSAlternateKeyMask && key == NSRightArrowFunctionKey) [fMovieView gotoEnd:self]; else if (key == NSLeftArrowFunctionKey) [fMovieView stepBackward:self]; else if (key == NSRightArrowFunctionKey) [fMovieView stepForward:self]; else [super keyDown:event]; } else if (self.currentViewMode != ViewModeEncoding) { if (key == NSLeftArrowFunctionKey) { [fPictureSlider setIntegerValue:self.pictureIndex > [fPictureSlider minValue] ? self.pictureIndex - 1 : self.pictureIndex]; [self pictureSliderChanged:self]; } else if (key == NSRightArrowFunctionKey) { [fPictureSlider setIntegerValue:self.pictureIndex < [fPictureSlider maxValue] ? self.pictureIndex + 1 : self.pictureIndex]; [self pictureSliderChanged:self]; } else [super keyDown:event]; } else [super keyDown:event]; } - (void) scrollWheel: (NSEvent *) theEvent { if (self.currentViewMode != ViewModeEncoding) { if ([theEvent deltaY] < 0) { [fPictureSlider setIntegerValue:self.pictureIndex < [fPictureSlider maxValue] ? self.pictureIndex + 1 : self.pictureIndex]; [self pictureSliderChanged:self]; } else if ([theEvent deltaY] > 0) { [fPictureSlider setIntegerValue:self.pictureIndex > [fPictureSlider minValue] ? self.pictureIndex - 1 : self.pictureIndex]; [self pictureSliderChanged:self]; } } } @end