bc309fe725
Cuesheets can now expose which URLs they contain, which may help with sandbox path configuration. That is, if the CUE sheets are already readable. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
112 lines
3.5 KiB
Objective-C
112 lines
3.5 KiB
Objective-C
// Plugins! HOORAY!
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@protocol CogSource <NSObject>
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+ (NSArray *)schemes; // http, file, etc
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- (NSURL *)url;
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- (NSString *)mimeType;
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- (BOOL)open:(NSURL *)url;
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- (BOOL)seekable;
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- (BOOL)seek:(long)position whence:(int)whence;
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- (long)tell;
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- (long)read:(void *)buffer amount:(long)amount; // reads UP TO amount, returns amount read.
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- (void)close;
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- (void)dealloc;
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@end
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@protocol CogVersionCheck <NSObject>
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+ (BOOL)shouldLoadForOSVersion:(NSOperatingSystemVersion)version;
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@end
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@protocol CogContainer <NSObject>
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+ (NSArray *)fileTypes; // mp3, ogg, etc
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+ (NSArray *)mimeTypes;
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+ (float)priority;
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+ (NSArray *)urlsForContainerURL:(NSURL *)url;
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@optional
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+ (NSArray *)dependencyUrlsForContainerURL:(NSURL *)url;
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@end
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@protocol CogDecoder <NSObject>
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@required
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+ (NSArray *)mimeTypes;
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+ (NSArray *)fileTypes; // mp3, ogg, etc
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+ (NSArray *)fileTypeAssociations; // array of NSArray of NSString, where first item in array is the type name, the second is the icon name, and the rest are the extensions
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+ (float)priority; // should be 0.0 ... 1.0, higher means you get selected first, should default to 1.0 unless you know a reason why any of your extensions may behave badly, ie. greedily taking over some file type extension without performing any header validation on it
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// For KVO
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//- (void)setProperties:(NSDictionary *)p;
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- (NSDictionary *)properties;
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- (NSDictionary *)metadata; // Only to be implemented for dynamic metadata, send events on change
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- (int)readAudio:(void *)buffer frames:(UInt32)frames;
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- (BOOL)open:(id<CogSource>)source;
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- (long)seek:(long)frame;
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- (void)close;
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@optional
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- (void)dealloc;
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- (BOOL)setTrack:(NSURL *)track;
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// These are in NSObject, so as long as you are a subclass of that, you are ok.
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- (void)addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(void *)context;
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- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath;
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- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath context:(void *)context;
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- (BOOL)isSilence;
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@end
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@protocol CogMetadataReader <NSObject>
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+ (NSArray *)fileTypes;
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+ (NSArray *)mimeTypes;
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+ (float)priority;
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+ (NSDictionary *)metadataForURL:(NSURL *)url;
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@end
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@protocol CogMetadataWriter <NSObject>
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//+ (NSArray *)fileTypes;
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//+ (NSArray *)mimeTypes;
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+ (int)putMetadataInURL:(NSURL *)url tagData:(NSDictionary *)tagData;
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@end
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@protocol CogPropertiesReader <NSObject>
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+ (NSArray *)fileTypes;
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+ (NSArray *)mimeTypes;
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+ (float)priority;
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+ (NSDictionary *)propertiesForSource:(id<CogSource>)source;
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@end
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@protocol CogPluginController <NSObject>
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+ (id<CogPluginController>)sharedPluginController;
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- (NSDictionary *)sources;
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- (NSDictionary *)containers;
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- (NSDictionary *)metadataReaders;
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- (NSDictionary *)propertiesReadersByExtension;
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- (NSDictionary *)propertiesReadersByMimeType;
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- (NSDictionary *)decodersByExtension;
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- (NSDictionary *)decodersByMimeType;
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- (id<CogSource>)audioSourceForURL:(NSURL *)url;
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- (NSArray *)urlsForContainerURL:(NSURL *)url;
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- (NSArray *)dependencyUrlsForContainerURL:(NSURL *)url;
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- (NSDictionary *)metadataForURL:(NSURL *)url skipCue:(BOOL)skip;
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- (NSDictionary *)propertiesForURL:(NSURL *)url skipCue:(BOOL)skip;
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- (id<CogDecoder>)audioDecoderForSource:(id<CogSource>)source skipCue:(BOOL)skip;
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- (int)putMetadataInURL:(NSURL *)url;
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@end
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static NSString *guess_encoding_of_string(const char *input) {
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NSString *ret = @"";
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NSData *stringData = [NSData dataWithBytes:input length:strlen(input)];
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[NSString stringEncodingForData:stringData encodingOptions:nil convertedString:&ret usedLossyConversion:nil];
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return ret;
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}
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