109 lines
3.4 KiB
Objective-C
109 lines
3.4 KiB
Objective-C
// Plugins! HOORAY!
|
|
|
|
@protocol CogSource <NSObject>
|
|
+ (NSArray *)schemes; // http, file, etc
|
|
|
|
- (NSURL *)url;
|
|
- (NSString *)mimeType;
|
|
|
|
- (BOOL)open:(NSURL *)url;
|
|
- (BOOL)seekable;
|
|
- (BOOL)seek:(long)position whence:(int)whence;
|
|
- (long)tell;
|
|
- (long)read:(void *)buffer amount:(long)amount; // reads UP TO amount, returns amount read.
|
|
- (void)close;
|
|
- (void)dealloc;
|
|
@end
|
|
|
|
@protocol CogVersionCheck <NSObject>
|
|
+ (BOOL)shouldLoadForOSVersion:(NSOperatingSystemVersion)version;
|
|
@end
|
|
|
|
@protocol CogContainer <NSObject>
|
|
+ (NSArray *)fileTypes; // mp3, ogg, etc
|
|
+ (NSArray *)mimeTypes;
|
|
+ (float)priority;
|
|
|
|
+ (NSArray *)urlsForContainerURL:(NSURL *)url;
|
|
@end
|
|
|
|
@protocol CogDecoder <NSObject>
|
|
@required
|
|
+ (NSArray *)mimeTypes;
|
|
+ (NSArray *)fileTypes; // mp3, ogg, etc
|
|
+ (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
|
|
+ (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
|
|
|
|
// For KVO
|
|
//- (void)setProperties:(NSDictionary *)p;
|
|
- (NSDictionary *)properties;
|
|
- (NSDictionary *)metadata; // Only to be implemented for dynamic metadata, send events on change
|
|
|
|
- (int)readAudio:(void *)buffer frames:(UInt32)frames;
|
|
|
|
- (BOOL)open:(id<CogSource>)source;
|
|
- (long)seek:(long)frame;
|
|
- (void)close;
|
|
|
|
@optional
|
|
- (void)dealloc;
|
|
|
|
- (BOOL)setTrack:(NSURL *)track;
|
|
|
|
// These are in NSObject, so as long as you are a subclass of that, you are ok.
|
|
- (void)addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(void *)context;
|
|
- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath;
|
|
- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath context:(void *)context;
|
|
|
|
- (BOOL)isSilence;
|
|
@end
|
|
|
|
@protocol CogMetadataReader <NSObject>
|
|
+ (NSArray *)fileTypes;
|
|
+ (NSArray *)mimeTypes;
|
|
+ (float)priority;
|
|
+ (NSDictionary *)metadataForURL:(NSURL *)url;
|
|
@end
|
|
|
|
@protocol CogMetadataWriter <NSObject>
|
|
//+ (NSArray *)fileTypes;
|
|
//+ (NSArray *)mimeTypes;
|
|
+ (int)putMetadataInURL:(NSURL *)url tagData:(NSDictionary *)tagData;
|
|
@end
|
|
|
|
@protocol CogPropertiesReader <NSObject>
|
|
+ (NSArray *)fileTypes;
|
|
+ (NSArray *)mimeTypes;
|
|
+ (float)priority;
|
|
+ (NSDictionary *)propertiesForSource:(id<CogSource>)source;
|
|
@end
|
|
|
|
@protocol CogPluginController <NSObject>
|
|
+ (id<CogPluginController>)sharedPluginController;
|
|
|
|
- (NSDictionary *)sources;
|
|
- (NSDictionary *)containers;
|
|
- (NSDictionary *)metadataReaders;
|
|
|
|
- (NSDictionary *)propertiesReadersByExtension;
|
|
- (NSDictionary *)propertiesReadersByMimeType;
|
|
|
|
- (NSDictionary *)decodersByExtension;
|
|
- (NSDictionary *)decodersByMimeType;
|
|
|
|
- (id<CogSource>)audioSourceForURL:(NSURL *)url;
|
|
- (NSArray *)urlsForContainerURL:(NSURL *)url;
|
|
- (NSDictionary *)metadataForURL:(NSURL *)url skipCue:(BOOL)skip;
|
|
- (NSDictionary *)propertiesForURL:(NSURL *)url skipCue:(BOOL)skip;
|
|
- (id<CogDecoder>)audioDecoderForSource:(id<CogSource>)source skipCue:(BOOL)skip;
|
|
|
|
- (int)putMetadataInURL:(NSURL *)url;
|
|
@end
|
|
|
|
static NSString *guess_encoding_of_string(const char *input) {
|
|
NSString *ret = @"";
|
|
NSData *stringData = [NSData dataWithBytes:input length:strlen(input)];
|
|
[NSString stringEncodingForData:stringData encodingOptions:nil convertedString:&ret usedLossyConversion:nil];
|
|
return ret;
|
|
}
|