76 lines
2.1 KiB
Objective-C
76 lines
2.1 KiB
Objective-C
/*
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Are defines really appropriate for this?
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We want something easily insertable into a dictionary.
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Maybe should extern these, and shove the instances in PluginController.m, but will that cause linking problems?
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*/
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#define kCogSource @"CogSource"
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#define kCogContainer @"CogContainer"
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#define kCogDecoder @"CogDecoder"
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#define kCogMetadataReader @"CogMetadataReader"
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#define kCogPropertiesReader @"CogPropertiesReader"
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@protocol CogPlugin <NSObject>
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//Dictionary containing classname/plugintype pairs. ex: @"VorbisDecoder": kCogDecoder, @"VorbisPropertiesRaeder": kCogPropertiesReader
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+ (NSDictionary *)pluginInfo;
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@end
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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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- (int)read:(void *)buffer amount:(int)amount; //reads UP TO amount, returns amount read.
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- (void)close;
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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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+ (NSArray *)urlsForContainerURL:(NSURL *)url;
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@end
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@protocol CogDecoder <NSObject>
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+ (NSArray *)mimeTypes;
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+ (NSArray *)fileTypes; //mp3, ogg, etc
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//For KVO
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//- (void)setProperties:(NSDictionary *)p;
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- (NSDictionary *)properties;
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- (BOOL)open:(id<CogSource>)source;
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- (double)seekToTime:(double)time; //time is in milleseconds, should return the time actually seeked to.
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- (int)fillBuffer:(void *)buf ofSize:(UInt32)size;
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- (void)close;
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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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+ (NSDictionary *)metadataForURL:(NSURL *)url;
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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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+ (NSDictionary *)propertiesForSource:(id<CogSource>)source;
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@end
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@protocol CogPluginController <NSObject>
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- (id<CogSource>) audioSourceForURL:(NSURL *)url;
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- (NSArray *) urlsForContainerURL:(NSURL *)url;
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- (NSDictionary *) metadataForURL:(NSURL *)url;
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- (NSDictionary *) propertiesForURL:(NSURL *)url;
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- (id<CogDecoder>) audioDecoderForSource:(id<CogSource>)source;
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@end
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