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JavaTM 2 Platform Std. Ed. v1.3.1 |
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javax.sound.midi
Class Sequencer.SyncMode
java.lang.Object | +--javax.sound.midi.Sequencer.SyncMode
- Enclosing class:
- Sequencer
- public static class Sequencer.SyncMode
- extends Object
A SyncMode object represents one of the ways in which
a MIDI sequencer's notion of time can be synchronized with a master
or slave device.
If the sequencer is being synchronized to a master, the
sequencer revises its current time in response to messages from
the master. If the sequencer has a slave, the sequencer
similarly sends messages to control the slave's timing.
There are three predefined modes that specify possible masters
for a sequencer: INTERNAL_CLOCK,
MIDI_SYNC, and MIDI_TIME_CODE. The
latter two work if the sequencer receives MIDI messages from
another device. In these two modes, the sequencer's time gets reset
based on system real-time timing clock messages or MIDI time code
(MTC) messages, respectively. These two modes can also be used
as slave modes, in which case the sequencer sends the corresponding
types of MIDI messages to its receiver (whether or not the sequencer
is also receiving them from a master). A fourth mode,
NO_SYNC, is used to indicate that the sequencer should
not control its receiver's timing.
- See Also:
Sequencer.setMasterSyncMode(Sequencer.SyncMode),Sequencer.setSlaveSyncMode(Sequencer.SyncMode)
| Field Summary | |
static Sequencer.SyncMode |
INTERNAL_CLOCK
A master synchronization mode that makes the sequencer get its timing information from its internal clock. |
static Sequencer.SyncMode |
MIDI_SYNC
A master or slave synchronization mode that specifies the use of MIDI clock messages. |
static Sequencer.SyncMode |
MIDI_TIME_CODE
A master or slave synchronization mode that specifies the use of MIDI Time Code. |
static Sequencer.SyncMode |
NO_SYNC
A slave synchronization mode indicating that no timing information should be sent to the receiver. |
| Constructor Summary | |
protected |
Sequencer.SyncMode(String name)
Constructs a synchronization mode. |
| Method Summary | |
boolean |
equals(Object obj)
Determines whether two objects are equal. |
int |
hashCode()
Finalizes the hashcode method. |
String |
toString()
Provides this synchronization mode's name as the string representation of the mode. |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
INTERNAL_CLOCK
public static final Sequencer.SyncMode INTERNAL_CLOCK
- A master synchronization mode that makes the sequencer get its timing information from its internal clock. This is not a legal slave sync mode.
MIDI_SYNC
public static final Sequencer.SyncMode MIDI_SYNC
- A master or slave synchronization mode that specifies the use of MIDI clock messages. If this mode is used as the master sync mode, the sequencer gets its timing information from system real-time MIDI clock messages. This mode only applies as the master sync mode for sequencers that are also MIDI receivers. If this is the slave sync mode, the sequencer sends system real-time MIDI clock messages to its receiver. MIDI clock messages are sent at a rate of 24 per quarter note.
MIDI_TIME_CODE
public static final Sequencer.SyncMode MIDI_TIME_CODE
- A master or slave synchronization mode that specifies the use of MIDI Time Code. If this mode is used as the master sync mode, the sequencer gets its timing information from MIDI Time Code messages. This mode only applies as the master sync mode to sequencers that are also MIDI receivers. If this mode is used as the slave sync mode, the sequencer sends MIDI Time Code messages to its receiver. (See the MIDI 1.0 Detailed Specification for a description of MIDI Time Code.)
NO_SYNC
public static final Sequencer.SyncMode NO_SYNC
- A slave synchronization mode indicating that no timing information should be sent to the receiver. This is not a legal master sync mode.
| Constructor Detail |
Sequencer.SyncMode
protected Sequencer.SyncMode(String name)
- Constructs a synchronization mode.
- Parameters:
name- name of the synchronization mode
| Method Detail |
equals
public final boolean equals(Object obj)
- Determines whether two objects are equal.
Returns
trueif the objects are identical- Parameters:
obj- the reference object with which to compare- Returns:
trueif this object is the same as theobjargument,falseotherwise
hashCode
public final int hashCode()
- Finalizes the hashcode method.
- Following copied from class:
java.lang.Object- Returns:
- a hash code value for this object.
- See Also:
Object.equals(java.lang.Object),Hashtable
toString
public final String toString()
- Provides this synchronization mode's name as the string
representation of the mode.
- Returns:
- the name of this synchronization mode
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JavaTM 2 Platform Std. Ed. v1.3.1 |
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