source: trunk/Cocoa/Pester/Source/QTMovie-NJRExtensions.m@ 636

Last change on this file since 636 was 541, checked in by Nicholas Riley, 15 years ago

Finish migrating NJRQTMediaPopUpButton to QTKit. The alert still needs to be migrated.

File size: 790 bytes
Line 
1//
2// QTMovie-NJRExtensions.m
3// Pester
4//
5// Created by Nicholas Riley on Sat Oct 26 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "QTMovie-NJRExtensions.h"
10
11@implementation QTMovie (NJRExtensions)
12
13// at least on 10.5, QTMovie already implements undocumented "hasAudio" and "hasVideo"
14- (BOOL)NJR_hasAudio;
15{
16 return [[self attributeForKey: QTMovieHasAudioAttribute] boolValue];
17}
18
19- (BOOL)NJR_hasVideo;
20{
21 return [[self attributeForKey: QTMovieHasVideoAttribute] boolValue];
22}
23
24- (BOOL)NJR_isStatic;
25{
26 NSEnumerator *e = [[self tracks] objectEnumerator];
27 QTTrack *track;
28 while ( (track = [e nextObject]) != nil)
29 if ([[[track media] attributeForKey: QTMediaSampleCountAttribute] longValue] > 1)
30 return NO;
31 return YES;
32}
33
34@end
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