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70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
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//
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// File: VLMP3Document.mm - Export document in MP3 format
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//
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// Author(s):
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//
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// (MN) Matthias Neeracher
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//
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// Copyright © 2008 Matthias Neeracher
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//
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#import "VLMP3Document.h"
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@implementation VLDocument (MP3)
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- (NSFileWrapper *)mp3FileWrapperWithError:(NSError **)outError
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{
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if (![[NSApp delegate] lameIsInstalled]) {
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if (outError)
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*outError = [NSError errorWithDomain:NSPOSIXErrorDomain
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code:ENOEXEC userInfo:nil];
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return nil;
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}
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NSBundle * mainBundle = [NSBundle mainBundle];
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[self createTmpFileWithExtension:@"aiff" ofType:@"VLAIFFType"];
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NSURL * aiffURL = [self fileURLWithExtension:@"aiff"];
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NSURL * mp3URL = [self fileURLWithExtension:@"mp3"];
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NSString * launch =
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[mainBundle pathForResource:@"lameWrapper" ofType:@""
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inDirectory:@"bin"];
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NSArray * args = [NSArray arrayWithObjects: @"--quiet", @"-h", [aiffURL path], [mp3URL path], nil];
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NSTask * task = [self taskWithLaunchPath:launch arguments:args];
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[[NSNotificationCenter defaultCenter]
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addObserver:self selector:@selector(lameDone:)
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name:NSTaskDidTerminateNotification object:task];
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[sheetWin startAnimation];
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[task launch];
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[task waitUntilExit];
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[sheetWin stopAnimation];
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int status = [task terminationStatus];
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if (!status) {
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return [[[NSFileWrapper alloc]
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initWithPath:[[self fileURLWithExtension:@"mp3"] path]]
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autorelease];
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} else {
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if (outError)
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*outError = [NSError errorWithDomain:NSCocoaErrorDomain
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code:NSPersistentStoreSaveError
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userInfo:nil];
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return nil;
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}
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}
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- (void)lameDone:(NSNotification *)notification {
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[[NSNotificationCenter defaultCenter] removeObserver: self
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name:NSTaskDidTerminateNotification object:[notification object]];
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int status = [[notification object] terminationStatus];
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if (!status) {
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;
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} else {
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NSBeep();
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}
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}
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@end
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