cog/Plugins/sidplay/SidMetadataReader.mm

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//
// SidMetadataReader.mm
// sidplay
//
// Created by Christopher Snowhill on 12/8/14.
// Copyright 2014 __NoWork, Inc__. All rights reserved.
//
#import "SidMetadataReader.h"
#import "SidDecoder.h"
#import "Logging.H"
@implementation SidMetadataReader
+ (NSArray *)fileTypes {
return [SidDecoder fileTypes];
}
+ (NSArray *)mimeTypes {
return [SidDecoder mimeTypes];
}
+ (float)priority {
return 0.5f;
}
+ (NSDictionary *)metadataForURL:(NSURL *)url {
id audioSourceClass = NSClassFromString(@"AudioSource");
id<CogSource> source = [audioSourceClass audioSourceForURL:url];
if(![source open:url])
return 0;
if(![source seekable])
return 0;
[source seek:0 whence:SEEK_END];
long size = [source tell];
[source seek:0 whence:SEEK_SET];
void *data = malloc(size);
[source read:data amount:size];
SidTune *tune = new SidTune((const uint_least8_t *)data, (uint_least32_t)size);
if(!tune->getStatus()) {
delete tune;
return 0;
}
const SidTuneInfo *info = tune->getInfo();
unsigned int count = info->numberOfInfoStrings();
NSString *title = count >= 1 ? [guess_encoding_of_string(info->infoString(0)) stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
NSString *titletag = info->songs() > 1 ? @"album" : @"title";
NSString *artist = count >= 2 ? [guess_encoding_of_string(info->infoString(1)) stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
delete tune;
return @{titletag: title, @"artist": artist};
}
@end