94 lines
2.4 KiB
Objective-C
94 lines
2.4 KiB
Objective-C
//
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// CueSheetMetadataReader.m
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// CueSheet
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//
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// Created by Vincent Spader on 10/12/07.
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// Copyright 2007 __MyCompanyName__. All rights reserved.
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//
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#import "CueSheetMetadataReader.h"
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#import "CueSheetDecoder.h"
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#import "CueSheet.h"
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#import "CueSheetTrack.h"
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#import "AudioMetadataReader.h"
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#import "NSDictionary+Merge.h"
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@implementation CueSheetMetadataReader
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+ (NSArray *)fileTypes
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{
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return [CueSheetDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes
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{
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return [CueSheetDecoder mimeTypes];
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}
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+ (float)priority
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{
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return 16.0f;
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}
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+ (NSDictionary *)metadataForURL:(NSURL *)url
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{
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if (![url isFileURL]) {
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return nil;
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}
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BOOL embedded = NO;
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CueSheet *cuesheet = nil;
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NSDictionary * fileMetadata;
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Class audioMetadataReader = NSClassFromString(@"AudioMetadataReader");
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NSString *ext = [url pathExtension];
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if ([ext caseInsensitiveCompare:@"cue"] != NSOrderedSame)
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{
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// Embedded cuesheet check
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fileMetadata = [audioMetadataReader metadataForURL:url skipCue:YES];
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NSString * sheet = [fileMetadata objectForKey:@"cuesheet"];
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if ([sheet length])
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{
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cuesheet = [CueSheet cueSheetWithString:sheet withFilename:[url path]];
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embedded = YES;
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}
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}
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else
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cuesheet = [CueSheet cueSheetWithFile:[url path]];
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if (!cuesheet)
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return nil;
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NSArray *tracks = [cuesheet tracks];
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for (CueSheetTrack *track in tracks)
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{
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if ([[url fragment] isEqualToString:[track track]])
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{
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// Class supplied by CogAudio, which is guaranteed to be present
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if (!embedded)
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fileMetadata = [audioMetadataReader metadataForURL:[track url] skipCue:YES];
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NSDictionary * cuesheetMetadata = [NSDictionary dictionaryWithObjectsAndKeys:
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[track artist], @"artist",
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[track album], @"album",
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[track title], @"title",
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[NSNumber numberWithInt:[[track track] intValue]], @"track",
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[track genre], @"genre",
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[NSNumber numberWithInt:[[track year] intValue]], @"year",
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[NSNumber numberWithFloat:[track albumGain]], @"replayGainAlbumGain",
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[NSNumber numberWithFloat:[track albumPeak]], @"replayGainAlbumPeak",
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[NSNumber numberWithFloat:[track trackGain]], @"replayGainTrackGain",
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[NSNumber numberWithFloat:[track trackPeak]], @"replayGainTrackPeak",
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nil];
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return [fileMetadata dictionaryByMergingWith:cuesheetMetadata];
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}
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}
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return nil;
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}
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@end
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