56 lines
1.5 KiB
Plaintext
56 lines
1.5 KiB
Plaintext
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//
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// SidMetadataReader.mm
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// sidplay
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//
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// Created by Christopher Snowhill on 12/8/14.
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// Copyright 2014 __NoWork, Inc__. All rights reserved.
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//
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#import "SidMetadataReader.h"
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#import "SidDecoder.h"
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#import "Logging.H"
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@implementation SidMetadataReader
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+ (NSArray *)fileTypes
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{
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return [SidDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes
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{
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return [SidDecoder mimeTypes];
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}
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+ (NSDictionary *)metadataForURL:(NSURL *)url
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{
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id audioSourceClass = NSClassFromString(@"AudioSource");
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id<CogSource> source = [audioSourceClass audioSourceForURL:url];
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if (![source open:url])
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return 0;
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if (![source seekable])
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return 0;
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[source seek:0 whence:SEEK_END];
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long size = [source tell];
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[source seek:0 whence:SEEK_SET];
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void * data = malloc(size);
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[source read:data amount:size];
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SidTune * tune = new SidTune( (const uint_least8_t *)data, (uint_least32_t)size );
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const SidTuneInfo * info = tune->getInfo();
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unsigned int count = info->numberOfInfoStrings();
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NSString *title = count >= 1 ? [[NSString stringWithUTF8String: info->infoString(0)] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
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NSString *titletag = info->songs() > 1 ? @"album" : @"title";
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NSString *artist = count >= 2 ? [[NSString stringWithUTF8String: info->infoString(1)] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
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return [NSDictionary dictionaryWithObjectsAndKeys:title, titletag, artist, @"artist", nil];
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}
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@end
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