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jeremybenn |
/* Input data line.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.sound.sampled;
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/**
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* This is a DataLine from which data may be read.
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* @since 1.3
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*/
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public interface TargetDataLine extends DataLine
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{
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/**
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* Open the line using the indicated audio format.
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* @param fmt the format to use
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* @throws LineUnavailableException if the line is not available for
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* some reason
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* @throws SecurityException if this operation is prevented by the
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* security manager
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*/
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void open(AudioFormat fmt)
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throws LineUnavailableException;
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/**
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* Open the line using the indicated audio format and buffer size.
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* @param fmt the format to use
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* @throws LineUnavailableException if the line is not available for
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* some reason
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* @throws SecurityException if this operation is prevented by the
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* security manager
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*/
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void open(AudioFormat fmt, int size)
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throws LineUnavailableException;
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/**
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* Read data from the line into the given buffer. The requested data
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* should be an integral number of framaes, as determined by the audio
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* format.
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* @param buf the buffer into which the data is put
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* @param offset the initial offset at which to write
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* @param length the maximum number of bytes to read
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* @return the actual number of bytes read
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*/
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int read(byte[] buf, int offset, int length);
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}
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