8ee4a04f3b
This redesign completely changes how tags are stored in memory. Now all arbitrary tag names are supported, where possible. Some extra work will be needed to support arbitrary tags with TagLib, such as replacing it with a different library. Translation pending for a couple of strings. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
96 lines
3 KiB
Objective-C
96 lines
3 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 "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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return [CueSheetDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes {
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return [CueSheetDecoder mimeTypes];
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}
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+ (float)priority {
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return 16.0f;
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}
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+ (NSDictionary *)metadataForURL:(NSURL *)url {
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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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// Embedded cuesheet check
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fileMetadata = [audioMetadataReader metadataForURL:url skipCue:YES];
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NSDictionary *alsoMetadata = [NSClassFromString(@"AudioPropertiesReader") propertiesForURL:url skipCue:YES];
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NSString *sheet = [fileMetadata objectForKey:@"cuesheet"];
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if(!sheet || ![sheet length]) sheet = [alsoMetadata objectForKey:@"cuesheet"];
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if([sheet length]) {
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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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} else
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cuesheet = [CueSheet cueSheetWithFile:[url path]];
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if(!cuesheet) {
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return fileMetadata;
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}
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NSArray *tracks = [cuesheet tracks];
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for(CueSheetTrack *track in tracks) {
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if([[url fragment] isEqualToString:[track track]]) {
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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 = [CueSheetMetadataReader processDataForTrack:track];
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return [cuesheetMetadata dictionaryByMergingWith:fileMetadata];
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}
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}
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return nil;
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}
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+ (NSDictionary *)processDataForTrack:(CueSheetTrack *)track {
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NSMutableDictionary *cuesheetMetadata = [[NSMutableDictionary alloc] init];
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if([track artist]) [cuesheetMetadata setValue:[track artist] forKey:@"artist"];
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if([track album]) [cuesheetMetadata setValue:[track album] forKey:@"album"];
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if([track title]) [cuesheetMetadata setValue:[track title] forKey:@"title"];
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if([[track track] intValue]) [cuesheetMetadata setValue:@([[track track] intValue]) forKey:@"track"];
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if([track genre]) [cuesheetMetadata setValue:[track genre] forKey:@"genre"];
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if([[track year] intValue]) [cuesheetMetadata setValue:@([[track year] intValue]) forKey:@"year"];
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if([track albumGain]) [cuesheetMetadata setValue:@([track albumGain]) forKey:@"replaygain_album_gain"];
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if([track albumPeak]) [cuesheetMetadata setValue:@([track albumPeak]) forKey:@"replaygain_album_peak"];
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if([track trackGain]) [cuesheetMetadata setValue:@([track trackGain]) forKey:@"replaygain_track_gain"];
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if([track trackPeak]) [cuesheetMetadata setValue:@([track trackPeak]) forKey:@"replaygain_track_peak"];
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return [NSDictionary dictionaryWithDictionary:cuesheetMetadata];
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}
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@end
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