65 lines
1.5 KiB
Plaintext
65 lines
1.5 KiB
Plaintext
//
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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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return [SidDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes {
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return [SidDecoder mimeTypes];
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}
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+ (float)priority {
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return 0.5f;
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}
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+ (NSDictionary *)metadataForURL:(NSURL *)url {
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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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if(!tune->getStatus()) {
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delete tune;
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return 0;
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}
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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 ? [guess_encoding_of_string(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 ? [guess_encoding_of_string(info->infoString(1)) stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
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delete tune;
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return @{titletag: title, @"artist": artist};
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}
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@end
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