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