| /* Mixer API |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.sound.sampled.spi; |
| |
| import javax.sound.sampled.Mixer; |
| |
| /** |
| * This abstract class defines an interface to mixer providers. |
| * Concrete subclasses will implement the methods in this class. |
| * @since 1.3 |
| */ |
| public abstract class MixerProvider |
| { |
| /** |
| * Create a new mixer provider. |
| */ |
| public MixerProvider() |
| { |
| } |
| |
| /** |
| * Return a mixer that matches the given info object. |
| * @param info description of the mixer to match |
| * @return the mixer |
| * @throws IllegalArgumentException if no mixer matches the description |
| */ |
| public abstract Mixer getMixer(Mixer.Info info); |
| |
| /** |
| * Return an array of info objects describing all the mixers provided by |
| * this provider. |
| */ |
| public abstract Mixer.Info[] getMixerInfo(); |
| |
| /** |
| * Return true if a mixer matching the provided description is supported. |
| * @param info description of the mixer to match |
| * @return true if it is supported by this provider |
| */ |
| public boolean isMixerSupported(Mixer.Info info) |
| { |
| Mixer.Info[] infos = getMixerInfo(); |
| for (int i = 0; i < infos.length; ++i) |
| { |
| if (info.equals(infos[i])) |
| return true; |
| } |
| return false; |
| } |
| } |