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())
return 0;
const SidTuneInfo * info = tune->getInfo();
unsigned int count = info->numberOfInfoStrings();
NSString *title = count >= 1 ? [[NSString stringWithUTF8String: info->infoString(0)] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
NSString *titletag = info->songs() > 1 ? @"album" : @"title";
NSString *artist = count >= 2 ? [[NSString stringWithUTF8String: info->infoString(1)] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] : @"";
return [NSDictionary dictionaryWithObjectsAndKeys:title, titletag, artist, @"artist", nil];
}
@end