Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
MovieLayer.m
/* |
MovieLayer.m |
WWDC Open Compositor Lab |
Created by kdyke on Mon Oct 22 2001. |
Copyright: Copyright © 2002-2003 Apple Computer, Inc., All Rights Reserved |
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. |
("Apple") in consideration of your agreement to the following terms, and your |
use, installation, modification or redistribution of this Apple software |
constitutes acceptance of these terms. If you do not agree with these terms, |
please do not use, install, modify or redistribute this Apple software. |
In consideration of your agreement to abide by the following terms, and subject |
to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs |
copyrights in this original Apple software (the "Apple Software"), to use, |
reproduce, modify and redistribute the Apple Software, with or without |
modifications, in source and/or binary forms; provided that if you redistribute |
the Apple Software in its entirety and without modifications, you must retain |
this notice and the following text and disclaimers in all such redistributions of |
the Apple Software. Neither the name, trademarks, service marks or logos of |
Apple Computer, Inc. may be used to endorse or promote products derived from the |
Apple Software without specific prior written permission from Apple. Except as |
expressly stated in this notice, no other rights or licenses, express or implied, |
are granted by Apple herein, including but not limited to any patent rights that |
may be infringed by your derivative works or by other works in which the Apple |
Software may be incorporated. |
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO |
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED |
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN |
COMBINATION WITH YOUR PRODUCTS. |
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#import "MovieLayer.h" |
#import "Controller.h" |
#import <QuickTime/QuickTimeComponents.h> |
#import <OpenGL/gl.h> |
#import <sys/time.h> |
#import <stdlib.h> |
#import <unistd.h> |
#import "OpenGLCodecs.h" |
@implementation MovieLayer |
- (id)initWithFilename: (NSString *)filename |
{ |
NSURL *movieURL; |
[super init]; |
movieURL = [NSURL fileURLWithPath: filename]; |
name = [[filename lastPathComponent] retain]; |
movie = [[NSMovie alloc] initWithURL:movieURL byReference:YES]; |
if(movie) |
{ |
qtMovie = [movie QTMovie]; |
GetMovieBox(qtMovie,&movieRect); |
OffsetRect(&movieRect, -movieRect.left, -movieRect.top); |
SetMovieBox(qtMovie,&movieRect); |
SetMovieVolume(qtMovie, 0); |
SetMoviePlayHints(qtMovie, hintsHighQuality, hintsHighQuality); |
colorTextureWidth = movieRect.right; |
colorTextureHeight = movieRect.bottom; |
[self setRect:NSMakeRect(movieRect.left,movieRect.top, |
movieRect.right,movieRect.bottom)]; |
[self updateLayerInfo]; |
/* Create "custom" OpenGL GWorld to attach movie to. */ |
QTNewGWorldFromPtr(&movieGWorld, |
kOpenGLPixelFormat, |
&movieRect, |
NULL, |
NULL, |
0, |
self, /* Magic */ |
32); |
SetMovieGWorld(qtMovie,(CGrafPtr)movieGWorld, NULL); |
GoToBeginningOfMovie(qtMovie); |
UpdateMovie(qtMovie); |
MoviesTask (qtMovie, 0L); |
StartMovie (qtMovie); |
SetMovieActive(qtMovie, true); |
} |
else |
{ |
[self release]; |
return nil; |
} |
return self; |
} |
- (void)dealloc |
{ |
if (alphaTextureData) |
free(alphaTextureData); |
[super dealloc]; |
} |
- (void)heartbeat |
{ |
if(IsMovieDone(qtMovie)) { |
GoToBeginningOfMovie(qtMovie); |
StartMovie(qtMovie); |
} |
MoviesTask(qtMovie, 0); |
} |
@end |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-04-21