63 lines
1.2 KiB
Objective-C
63 lines
1.2 KiB
Objective-C
//
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// HVLMetadataReader.m
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// Hively
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//
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// Created by Christopher Snowhill on 10/29/13.
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// Copyright 2013 __NoWork, Inc__. All rights reserved.
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//
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#import "HVLMetadataReader.h"
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#import "HVLDecoder.h"
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@implementation HVLMetadataReader
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+ (NSArray *)fileTypes {
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return [HVLDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes {
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return [HVLDecoder mimeTypes];
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}
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+ (float)priority {
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return 1.0f;
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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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if(size > UINT_MAX)
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return nil;
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void *data = malloc(size);
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[source read:data amount:size];
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struct hvl_tune *tune = hvl_LoadTune(data, (uint32_t)size, 44100, 2);
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free(data);
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if(!tune)
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return nil;
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NSString *title = [[NSString stringWithUTF8String:tune->ht_Name] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
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hvl_FreeTune(tune);
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if(title == nil) {
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title = @"";
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}
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return @{@"title": title};
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}
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@end
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