QuickTime Kit Reference Update - filibeto.org

10.5 Symbol Changes
QTCaptureConnectionAudioPeakHoldLevelsAttribute
QTCaptureConnectionAudioVolumesAttribute
QTCaptureConnectionChangedAttributeKey
QTCaptureConnectionEnabledAudioChannelsAttribute
QTCaptureConnectionFormatDescription-
DidChangeNotification
QTCaptureConnectionFormatDescription-
WillChangeNotification
QTCaptureDevice.h
Data Types & Constants
Value is an NSArray of NSNumbers
that correspond to the peak hold
level, in decibels, of each audio
channel sent through the
connection.
Value is an NSArray of NSNumbers
that specify the volumes of audio
channels sent through the
connection.
Used as a key in the userInfo
dictionary passed to
QTCaptureConnectionAttribute-
WillChangeNotification, and
QTCaptureConnectionAttribute-
DidChangeNotification to indicate
the the key of that attribute that
changed.
Value is an NSIndexSet that
specifies which audio channels
should be sent through the
connection.
Posted when the format description
of a connection has changed.
Applications can be notified of
changes to a connection’s format by
registering to receive this
notification.
Posted when the format description
of a connection is about to change.
Applications can be notified of
changes to a connection’s format by
registering to receive this
notification.
All of the new data types and constants in this header file are listed alphabetically, with links to
documentation and abstracts, if available.
QTCaptureDeviceAttributeDidChangeNotification
Posted when the one of device’s
attributes has changed.
C Symbols 23
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.