VocalEasel/Sources/VLAIFFDocument.mm
2011-07-24 03:32:13 +00:00

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//
// File: VLAIFFDocument.mm - Export document in AIFF format
//
// Author(s):
//
// (MN) Matthias Neeracher
//
// Copyright © 2008-2011 Matthias Neeracher
//
#import "VLAIFFDocument.h"
#import "VLSoundOut.h"
#import <CoreAudio/CoreAudio.h>
@implementation VLDocument (AIFF)
- (NSFileWrapper *)aiffFileWrapperWithError:(NSError **)outError
{
[self createTmpFileWithExtension:@"mid" ofType:VLMIDIType];
NSURL * midiURL = [self fileURLWithExtension:@"mid"];
NSURL * aiffURL = [self fileURLWithExtension:@"aiff"];
VLSoundOut *writer =
VLSoundOut::FileWriter((CFURLRef)aiffURL, kAudioFormatLinearPCM);
writer->PlayFile(CFDataRef([NSData dataWithContentsOfURL:midiURL]));
delete writer;
return [[[NSFileWrapper alloc]
initWithPath:[[self fileURLWithExtension:@"aiff"] path]]
autorelease];
}
@end