/*

File: MyDocument.m

Abstract: Illustrates how to operate on movies on a background thread.

Version: 1.0

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*/ 

#import "MyDocument.h"

@implementation MyDocument

- (id)init

{

    self = [super init];

    if (self) {

    }

    return self;

}

- (NSString *)windowNibName

{

    return @"MyDocument";

}

- (void)windowControllerDidLoadNib:(NSWindowController *) aController

{

    [super windowControllerDidLoadNib:aController];

    if ([self fileName]) {

        QTMovie *movie = [[QTMovie alloc] initWithFile:[self fileName] error:nil];

        if (movie) {

            [movieView setMovie:movie];

            [movie release];

        }

    }

}

- (NSData *)dataRepresentationOfType:(NSString *)aType

{

    return nil;

}

- (BOOL)loadDataRepresentation:(NSData *)data ofType:(NSString *)aType

{

    return YES;

}

- (IBAction)exportMovie:(id)sender

{

    SEL s = @selector(doExportOnThread:);

    QTMovie *movie = [[movieView movie] retain];

    BOOL success = [movie detachFromCurrentThread];

    if (!success) {

        NSLog(@"unable to detach movie from current thread");

    } else {

        [movieView setMovie:nil];

        [NSThread detachNewThreadSelector:s toTarget:self withObject:movie];

    }

}

- (void)doExportOnThread:(QTMovie *)movie

{

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    SEL s = @selector(finishExport:);

    [QTMovie enterQTKitOnThreadDisablingThreadSafetyProtection];

//  [QTMovie enterQTKitOnThread];

    [movie attachToCurrentThread];

    // export the movie

    NSDictionary *attrs = [NSDictionary dictionaryWithObjectsAndKeys:

                            [NSNumber numberWithBool:YES], QTMovieExport,

                            [NSNumber numberWithLong:'3gpp'], QTMovieExportType,

                            nil];

    [movie writeToFile:@"/tmp/exportedMovie.mov" withAttributes:attrs];

    [movie detachFromCurrentThread];

    [QTMovie exitQTKitOnThread];

    [self performSelectorOnMainThread:s withObject:movie waitUntilDone:NO];

    [pool release];

}

- (void)finishExport:(QTMovie *)movie

{

    [movie attachToCurrentThread];

    [movieView setMovie:movie];

    [movie release];

}

@end