QuickTime Kit Programming Guide - filibeto.org
QuickTime Kit Programming Guide - filibeto.org
QuickTime Kit Programming Guide - filibeto.org
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
C H A P T E R 5<br />
Extending the QT<strong>Kit</strong>Player To Stream Audio and Video<br />
Figure 5-12 Class model for delegate<br />
To begin, in your QT<strong>Kit</strong>Player project, choose File > New File. In the Assistant window for your new<br />
file in Xcode 2.0, select Cocoa > Objective-C class and in the window that opens enter the title<br />
QT<strong>Kit</strong>PlayerAppDelegate.h and check the box that also lets you create a QT<strong>Kit</strong>PlayerAppDelegate.m<br />
file. Now follow these steps:<br />
1. Insert the following import code at the beginning of your file:<br />
#import <br />
#import "OpenURLPanel.h"<br />
2. Add the following declaration code after your import statements:<br />
@interface QT<strong>Kit</strong>PlayerAppDelegate : NSObject<br />
3. Define a NSMenu validation protocol with the following line of code:<br />
- (BOOL)validateMenuItem:(NSMenuItem *)menuItem;<br />
4. Define the OpenURLPanel delegates with the following lines of code:<br />
- (void)openURLPanelDidEnd:(OpenURLPanel *)openURLPanel returnCode:(int)returnCode<br />
contextInfo:(void *)contextInfo;<br />
5. Define the actions with the following lines of code:<br />
- (IBAction)doOpenURL:(id)sender;<br />
- (IBAction)doOpenURLData:(id)sender;<br />
6. Define the method with the following line of code:<br />
- (BOOL)createMovieDocumentWithURL:(NSURL *)url asData:(BOOL)asData;<br />
94 Adding Code To Stream Audio and Video<br />
2005-11-09 | © 2004, 2005 Apple Computer, Inc. All Rights Reserved.
Change language