•The JMF API has defined a number of
interfaces meant for controlling
attributes of various JMF objects.
•Example ...
ØGainControl : enables adjustment of audio signal
gain.
ØTrackControl : This interface is provided by the
Processor to query, and manipulate the data of individual media
tracks.
ØBitRateControl
: used for specifying parameters to control media bit rate.
ØBufferControl : used to control the size and
threshold of buffers maintained by certain JMF objects.
ØCachingControl : an interface supported by
Players that are capable of reporting download progress.
ØFormatControl : This interfaces is implemented by
objects which supports
setting of media format.