Class: AVMutableMetadataItem
- Inherits:
-
AVMetadataItem
- Object
- NSObject
- AVMetadataItem
- AVMutableMetadataItem
Overview
AVMutableMetadataItem is a mutable subclass of AVMetadataItem that lets you build collections of metadata to be written to asset files using AVAssetExportSession.
Instance Attribute Summary (collapse)
-
- duration
Indicates the metadata item’s duration.
-
- extraAttributes
Provides a dictionary of the metadata item’s additional attributes.
-
- key
Indicates the metadata item’s key.
-
- keySpace
Indicates the key space of the metadata item’s key.
-
- locale
Indicates the metadata item’s locale.
-
- time
Indicates the metadata item’s timestamp.
-
- value
Indicates the metadata item’s value.
Attributes inherited from AVMetadataItem
#commonKey, #dataValue, #dateValue, #numberValue, #stringValue
Class Method Summary (collapse)
-
+ metadataItem
Returns a new mutable metadata item.
Methods inherited from AVMetadataItem
#loadValuesAsynchronouslyForKeys:completionHandler:, metadataItemsFromArray:filteredAndSortedAccordingToPreferredLanguages:, metadataItemsFromArray:withKey:keySpace:, metadataItemsFromArray:withLocale:, #statusOfValueForKey:error:
Methods inherited from NSObject
#!, #!=, #!~, #, #==, #===, #=~, #Rational, #__callee__, #__method__, #__send__, #__type__, `, alloc, allocWithZone:, #autoContentAccessingProxy, autoload, autoload?, autorelease_pool, #awakeAfterUsingCoder:, binding, block_given?, caller, cancelPreviousPerformRequestsWithTarget:, cancelPreviousPerformRequestsWithTarget:selector:object:, catch, class, classFallbacksForKeyedArchiver, #classForCoder, #classForKeyedArchiver, classForKeyedUnarchiver, #clone, conformsToProtocol:, #copy, copyWithZone:, #dealloc, #define_singleton_method, description, display, #doesNotRecognizeSelector:, #dup, #enum_for, #eql?, #equal?, #extend, fail, #finalize, format, #forwardInvocation:, #forwardingTargetForSelector:, framework, #freeze, #frozen?, getpass, gets, global_variables, #init, initialize, #initialize_clone, #initialize_copy, #initialize_dup, #inspect, instanceMethodForSelector:, instanceMethodSignatureForSelector:, #instance_eval, #instance_exec, #instance_of?, #instance_variable_defined?, #instance_variable_get, #instance_variable_set, #instance_variables, instancesRespondToSelector:, isSubclassOfClass:, #is_a?, iterator?, #kind_of?, lambda, load, load_bridge_support_file, load_plist, local_variables, loop, #method, #methodForSelector:, #methodSignatureForSelector:, #methods, #mutableCopy, mutableCopyWithZone:, new, #nil?, open, p, #performSelector:onThread:withObject:waitUntilDone:, #performSelector:onThread:withObject:waitUntilDone:modes:, #performSelector:withObject:afterDelay:, #performSelector:withObject:afterDelay:inModes:, #performSelectorInBackground:withObject:, #performSelectorOnMainThread:withObject:waitUntilDone:, #performSelectorOnMainThread:withObject:waitUntilDone:modes:, print, printf, #private_methods, proc, #protected_methods, #public_method, #public_methods, #public_send, putc, puts, raise, rand, readline, readlines, #replacementObjectForCoder:, #replacementObjectForKeyedArchiver:, require, resolveClassMethod:, resolveInstanceMethod:, #respond_to?, #respond_to_missing?, select, #send, setVersion:, #singleton_methods, sprintf, srand, superclass, #taint, #tainted?, #tap, test, throw, #to_plist, #to_s, trace_var, trap, #trust, #untaint, untrace_var, #untrust, #untrusted?, version
Constructor Details
This class inherits a constructor from NSObject
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class NSObject
Instance Attribute Details
- (CMTime) duration
Indicates the metadata item’s duration.
- (Hash) extraAttributes
Provides a dictionary of the metadata item’s additional attributes.
- (Object) key
Indicates the metadata item’s key.
- (String) keySpace
Indicates the key space of the metadata item’s key. This is typically the default key space for the metadata container in which the metadata item is stored.
- (NSLocale) locale
Indicates the metadata item’s locale. The locale may be nil if no locale information is available for the item.
- (CMTime) time
Indicates the metadata item’s timestamp.
- (Object) value
Indicates the metadata item’s value.
Class Method Details
+ (AVMutableMetadataItem) metadataItem
Returns a new mutable metadata item.