/* Are defines really appropriate for this? We want something easily insertable into a dictionary. Maybe should extern these, and shove the instances in PluginController.m, but will that cause linking problems? */ #define kCogSource @"CogSource" #define kCogDecoder @"CogDecoder" #define kCogMetadataReader @"CogMetadataReader" #define kCogPropertiesReader @"CogPropertiesReader" @protocol CogPlugin //Dictionary containing classname/plugintype pairs. ex: @"VorbisDecoder": kCogDecoder, @"VorbisPropertiesRaeder": kCogPropertiesReader + (NSDictionary *)pluginInfo; @end @protocol CogSource + (NSArray *)schemes; //http, file, etc - (NSURL *)url; - (BOOL)open:(NSURL *)url; - (NSDictionary *)properties; //Perhaps contains header info for HTTP stream, or path for a regular file. - (BOOL)seekable; - (BOOL)seek:(long)position whence:(int)whence; - (long)tell; - (int)read:(void *)buffer amount:(int)amount; //reads UP TO amount, returns amount read. - (void)close; @end @protocol CogDecoder + (NSArray *)fileTypes; //mp3, ogg, etc //For KVO //- (void)setProperties:(NSDictionary *)p; - (NSDictionary *)properties; - (BOOL)open:(id)source; - (BOOL)seekable; - (double)seekToTime:(double)time; //time is in milleseconds, should return the time actually seeked to. - (int)fillBuffer:(void *)buf ofSize:(UInt32)size; - (void)close; @end @protocol CogMetadataReader + (NSArray *)fileTypes; + (NSDictionary *)metadataForURL; @end @protocol CogPropertiesReader + (NSArray *)fileTypes; + (NSDictionary *)propertiesForSource:(id)source; @end