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Last change
on this file since 639 was 541, checked in by Nicholas Riley, 15 years ago |
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Finish migrating NJRQTMediaPopUpButton to QTKit. The alert still needs to be migrated.
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File size:
790 bytes
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| [541] | 1 | //
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| 2 | // QTMovie-NJRExtensions.m
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| 3 | // Pester
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| 4 | //
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| 5 | // Created by Nicholas Riley on Sat Oct 26 2002.
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| 6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "QTMovie-NJRExtensions.h"
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| 10 |
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| 11 | @implementation QTMovie (NJRExtensions)
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| 12 |
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| 13 | // at least on 10.5, QTMovie already implements undocumented "hasAudio" and "hasVideo"
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| 14 | - (BOOL)NJR_hasAudio;
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| 15 | {
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| 16 | return [[self attributeForKey: QTMovieHasAudioAttribute] boolValue];
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| 17 | }
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| 18 |
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| 19 | - (BOOL)NJR_hasVideo;
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| 20 | {
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| 21 | return [[self attributeForKey: QTMovieHasVideoAttribute] boolValue];
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| 22 | }
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| 23 |
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| 24 | - (BOOL)NJR_isStatic;
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| 25 | {
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| 26 | NSEnumerator *e = [[self tracks] objectEnumerator];
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| 27 | QTTrack *track;
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| 28 | while ( (track = [e nextObject]) != nil)
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| 29 | if ([[[track media] attributeForKey: QTMediaSampleCountAttribute] longValue] > 1)
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| 30 | return NO;
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| 31 | return YES;
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| 32 | }
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| 33 |
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| 34 | @end
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