/* $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 "HBUtilities.h"
#import "Controller.h"
#import
@implementation QTMovieView (HBQTMovieViewExtensions)
- (void) mouseMoved: (NSEvent *) theEvent
{
[super mouseMoved:theEvent];
}
@end
@implementation QTMovie (HBQTMovieExtensions)
- (BOOL) isPlaying
{
if ([self rate])
return YES;
else
return NO;
}
- (NSString *) timecode
{
QTTime time = [self currentTime];
double timeInSeconds = (double)time.timeValue / time.timeScale;
UInt16 seconds = fmod(timeInSeconds, 60.0);
UInt16 minutes = fmod(timeInSeconds / 60.0, 60.0);
UInt16 hours = timeInSeconds / (60.0 * 60.0);
UInt16 milliseconds = (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(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 460.0
#define MIN_HEIGHT 128.0
#define ANIMATION_DUR 0.2
typedef enum ViewMode : NSUInteger {
ViewModePicturePreview,
ViewModeEncoding,
ViewModeMoviePreview
} ViewMode;
@interface HBPreviewController ()
{
/* HUD boxes */
IBOutlet NSBox * fPictureControlBox;
IBOutlet NSBox * fEncodingControlBox;
IBOutlet NSBox * 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) CALayer *backLayer;
@property (nonatomic) CALayer *pictureLayer;
@property (nonatomic) CGFloat backingScaleFactor;
@property (nonatomic) ViewMode currentViewMode;
@property (nonatomic) BOOL scaleToScreen;
@property (nonatomic, retain) NSTimer *hudTimer;
@property (nonatomic, retain) HBPreviewGenerator *generator;
@property (nonatomic) NSUInteger pictureIndex;
@property (nonatomic, retain) QTMovie *movie;
@property (nonatomic, retain) 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
- (id) init
{
if (self = [super initWithWindowNibName:@"PicturePreview"])
{
// NSWindowController likes to lazily load its window. However since
// this controller tries to set all sorts of outlets before the window
// is displayed, we need it to load immediately. The correct way to do
// this, according to the documentation, is simply to invoke the window
// getter once.
//
// If/when we switch a lot of this stuff to bindings, this can probably
// go away.
[self window];
}
return self;
}
- (void) awakeFromNib
{
[[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];
[fPictureControlBox setWantsLayer:YES];
[fEncodingControlBox setWantsLayer:YES];
[fMoviePlaybackControlBox 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 setObject:[NSNull null] forKey:@"contents"];
[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];
/* set the current scale factor */
if( [[self window] respondsToSelector:@selector( backingScaleFactor )] )
self.backingScaleFactor = [[self window] backingScaleFactor];
else
self.backingScaleFactor = 1.0;
}
- (void) setTitle: (hb_title_t *) title
{
_title = title;
[self.generator cancel];
self.generator = nil;
if (_title)
{
/* alloc and init a generator for the current title */
self.generator = [[[HBPreviewGenerator alloc] initWithHandle:self.handle andTitle:self.title] autorelease];
/* adjust the preview slider length */
[fPictureSlider setMaxValue: self.generator.imagesCount - 1.0];
[fPictureSlider setNumberOfTickMarks: self.generator.imagesCount];
[self displayPreview];
}
}
- (void) reload
{
if (self.title)
{
// Purge the existing picture previews so they get recreated the next time
// they are needed.
[self.generator purgeImageCache];
[self switchViewToMode:ViewModePicturePreview];
[self displayPreview];
}
}
- (void) showWindow: (id) sender
{
if (self.currentViewMode == ViewModeMoviePreview)
{
[self startMovieTimer];
}
[super showWindow:sender];
}
- (void) windowWillClose: (NSNotification *) aNotification
{
if (self.currentViewMode == ViewModeEncoding)
{
[self cancelCreateMoviePreview:self];
}
else if (self.currentViewMode == ViewModeMoviePreview)
{
[fMovieView pause:self];
[self stopMovieTimer];
}
[self.generator purgeImageCache];
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"PreviewWindowIsOpen"];
}
- (void) windowDidChangeBackingProperties: (NSNotification *) notification
{
NSWindow *theWindow = (NSWindow *)[notification object];
CGFloat newBackingScaleFactor = [theWindow backingScaleFactor];
CGFloat oldBackingScaleFactor = [[[notification userInfo]
objectForKey:@"NSBackingPropertyOldScaleFactorKey"]
doubleValue];
if (newBackingScaleFactor != oldBackingScaleFactor)
{
// Scale factor changed, update the preview window
// to the new situation
self.backingScaleFactor = newBackingScaleFactor;
if (self.title)
[self reload];
}
}
/**
* 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
{
NSSize currentSize = [[[self window] contentView] frame].size;
NSRect frame = [[self window] frame];
// Calculate border around content region of the frame
int borderX = frame.size.width - currentSize.width;
int borderY = 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:YES];
}
/**
* 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) {
[[obj animator] setHidden:([indexes containsIndex:idx]) ? NO : YES];
}];
[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.generator cancel];
[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
{
[_hudTimer invalidate];
[_hudTimer release];
[_movieTimer invalidate];
[_movieTimer release];
[_generator cancel];
[_generator release];
[self removeMovieObservers];
[super dealloc];
}
#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.title)
{
/* Since we are not encoding, verify which control hud to show
* or hide based on aMovie ( aMovie indicates we need movie controls )
*/
NSBox *hudBoxToShow;
if (self.currentViewMode == !ViewModeMoviePreview) // No movie loaded up
{
hudBoxToShow = fPictureControlBox;
}
else // We have a movie
{
hudBoxToShow = fMoviePlaybackControlBox;
}
if (NSPointInRect(mouseLoc, [hudBoxToShow frame]))
{
[[hudBoxToShow animator] setHidden: NO];
[self stopHudTimer];
}
else if (NSPointInRect(mouseLoc, [[[self window] contentView] frame]))
{
[[hudBoxToShow animator] setHidden: NO];
[self startHudTimer];
}
else
{
[[hudBoxToShow animator] 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.
*/
[[fPictureControlBox animator] setHidden: YES];
[[fMoviePlaybackControlBox animator] setHidden: YES];
[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
{
hb_title_t *title = self.title;
NSImage *fPreviewImage = [self.generator imageAtIndex:self.pictureIndex shouldCache:YES];
NSSize imageScaledSize = [fPreviewImage size];
[self.pictureLayer setContents:fPreviewImage];
NSSize displaySize = NSMakeSize( ( CGFloat )title->width, ( CGFloat )title->height );
NSString *sizeInfoString;
/* Set the picture size display fields below the Preview Picture*/
int display_width;
display_width = title->job->width * title->job->anamorphic.par_width / title->job->anamorphic.par_height;
if (title->job->anamorphic.mode == HB_ANAMORPHIC_STRICT) // Original PAR Implementation
{
sizeInfoString = [NSString stringWithFormat:
@"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Strict",
title->width, title->height, title->job->width, title->job->height, display_width, title->job->height];
}
else if (title->job->anamorphic.mode == HB_ANAMORPHIC_LOOSE) // Loose Anamorphic
{
sizeInfoString = [NSString stringWithFormat:
@"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Loose",
title->width, title->height, title->job->width, title->job->height, display_width, title->job->height];
}
else if (title->job->anamorphic.mode == HB_ANAMORPHIC_CUSTOM) // Custom Anamorphic
{
sizeInfoString = [NSString stringWithFormat:
@"Source: %dx%d, Output: %dx%d, Anamorphic: %dx%d Custom",
title->width, title->height, title->job->width, title->job->height, display_width, title->job->height];
}
else // No Anamorphic
{
sizeInfoString = [NSString stringWithFormat:
@"Source: %dx%d, Output: %dx%d",
title->width, title->height, title->job->width, title->job->height];
}
displaySize.width = display_width;
displaySize.height = title->job->height;
imageScaledSize.width = display_width;
imageScaledSize.height = title->job->height;
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
displaySize.height /= self.backingScaleFactor;
displaySize.width /= self.backingScaleFactor;
imageScaledSize.height /= self.backingScaleFactor;
imageScaledSize.width /= self.backingScaleFactor;
}
// Get the optimal view size for the image
NSSize viewSize = [self optimalViewSizeForImageSize:displaySize];
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];
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)];
NSString *scaleString;
CGFloat scale = ( ( CGFloat )[self.pictureLayer frame].size.width) / ( ( CGFloat )imageScaledSize.width);
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: [NSString stringWithFormat:
@"%@", sizeInfoString]];
[fscaleInfoField setStringValue: [NSString stringWithFormat:
@"%@", scaleString]];
/* Set the info field in the window title bar */
[[self window] setTitle:[NSString stringWithFormat: @"Preview - %@ %@",sizeInfoString, scaleString]];
}
- (IBAction) previewDurationPopUpChanged: (id) sender
{
[[NSUserDefaults standardUserDefaults] setObject:[fPreviewMovieLengthPopUp titleOfSelectedItem] forKey:@"PreviewLength"];
}
- (void) setDeinterlacePreview: (BOOL) deinterlacePreview
{
_deinterlacePreview = deinterlacePreview;
self.generator.deinterlace = deinterlacePreview;
}
- (IBAction) pictureSliderChanged: (id) sender
{
if ((self.pictureIndex != [fPictureSlider intValue] || !sender) && self.title) {
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"];
}
}
- (NSString *) pictureSizeInfoString
{
return [fInfoField stringValue];
}
- (IBAction) showPictureSettings: (id) sender
{
[self.delegate showPicturePanel: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) 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] autorelease];
if (!movie)
{
[HBUtilities writeToActivityLog: "showMoviePreview: Unable to open movie"];
[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 objectAtIndex: 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 objectAtIndex: 1] setEnabled: YES];
}
}
// to actually play the movie
self.movie = movie;
[self switchViewToMode:ViewModeMoviePreview];
[fMovieView play:movie];
}
}
}
- (IBAction) cancelCreateMoviePreview: (id) sender
{
[self switchViewToMode:ViewModePicturePreview];
}
- (IBAction) createMoviePreview: (id) sender
{
if (!self.generator)
return;
self.generator.delegate = self;
[self.delegate prepareJobForPreview];
[self.generator createMovieAsyncWithImageIndex:self.pictureIndex
andDuration:[[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