Class MixerProvider

java.lang.Object
javax.sound.sampled.spi.MixerProvider
public abstract class MixerProvider extends Object
A provider or factory for a particular mixer type. This mechanism allows the implementation to determine how resources are managed in creation / management of a mixer.
Since:
1.3

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    MixerProvider()
    Constructor for subclasses to call.

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract Mixer
    getMixer(Mixer.Info info)
    Obtains an instance of the mixer represented by the info object.
    abstract Mixer.Info[]
    getMixerInfo()
    Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider.
    boolean
    isMixerSupported(Mixer.Info info)
    Indicates whether the mixer provider supports the mixer represented by the specified mixer info object.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    boolean
    equals(Object o)
    Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    int
    hashCode()
    Answers an integer hash code for the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    String
    toString()
    Answers a string containing a concise, human-readable description of the receiver.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • Constructor Details

    • MixerProvider

      protected MixerProvider()
      Constructor for subclasses to call.

  • Method Details

    • isMixerSupported

      public boolean isMixerSupported(Mixer.Info info)
      Indicates whether the mixer provider supports the mixer represented by the specified mixer info object.

      The full set of mixer info objects that represent the mixers supported by this MixerProvider may be obtained through the getMixerInfo method.

      Parameters:
      info - an info object that describes the mixer for which support is queried
      Returns:
      true if the specified mixer is supported, otherwise false
      Throws:
      NullPointerException - if info is null
      See Also:

    • getMixerInfo

      public abstract Mixer.Info[] getMixerInfo()
      Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider.

      The isMixerSupported method returns true for all the info objects returned by this method. The corresponding mixer instances for the info objects are returned by the getMixer method.

      Returns:
      a set of mixer info objects
      See Also:

    • getMixer

      public abstract Mixer getMixer(Mixer.Info info)
      Obtains an instance of the mixer represented by the info object. If null is passed, then the default mixer will be returned.

      The full set of the mixer info objects that represent the mixers supported by this MixerProvider may be obtained through the getMixerInfo method. Use the isMixerSupported method to test whether this MixerProvider supports a particular mixer.

      Parameters:
      info - an info object that describes the desired mixer, or null for the default mixer
      Returns:
      mixer instance
      Throws:
      IllegalArgumentException - if the info object specified does not match the info object for a mixer supported by this MixerProvider, or if this MixerProvider does not have default mixer, but default mixer has been requested
      See Also: