Parameters: lines - the set of lines for which synchronization support is queried maintainSync - true if the synchronization must be precisely maintained (i.e., the synchronization must be sample-accurate) at all times during operation of the lines, or false if precise synchronization is required only during start and stop operations Returns: true if the lines can be synchronized, false otherwiseįor further API reference and developer documentation, see Java SE Documentation. Reports whether this mixer supports synchronization of the specified set of lines. Parameters: info - a Line.Info that describes the line for which the number of supported instances is queried Returns: the maximum number of matching lines supported, or AudioSystem.NOT_SPECIFIED If there is no limit, this function returns AudioSystem.NOT_SPECIFIED. If the info object represents a source data line and the mixer supports the use of 32 source data lines simultaneously, the return value should be 32. For example, if the info object represents a speaker port, and the mixer supports exactly one speaker port, this method should return 1. The requested type is any line that matches the description in the provided Line.Info object. Since certain lines are a shared resource, a mixer may not be able to open the maximum number of lines if another process has opened lines of this mixer. Certain types of mixers do not have a hard bound and may allow opening more lines. Obtains the approximate maximum number of lines of the requested type that can be open simultaneously on the mixer. Nested Class Summary Nested Classes Modifier and Type.When one line in a synchronized group is started or stopped, the other lines in the group automatically start or stop simultaneously with the explicitly affected one. Some mixers, especially those with internal digital mixing capabilities, may provide additional capabilities by implementing the DataLine interface.Ī mixer can support synchronization of its lines. These global controls are distinct from the controls belonging to each of the mixer's individual lines. For example, the mixer can have a master gain control. Through methods of the Line interface, which Mixer extends, a mixer might provide a set of controls that are global to the mixer.
A mixer can accept prerecorded, loopable sound as input, by having some of its source lines be instances of objects that implement the Clip interface. Port objects, too, are either source lines or target lines.
The former are often instances of classes that implement SourceDataLine, and the latter, TargetDataLine. A mixer that actually mixes audio has multiple input (source) lines and at least one output (target) line. It need not be designed for mixing audio signals. A mixer is an audio device with one or more lines.
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