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1: /* GstDataLine.java -- Abstract DataLine. 2: Copyright (C) 2007 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.javax.sound.sampled.gstreamer.lines; 39: 40: import javax.sound.sampled.AudioFormat; 41: import javax.sound.sampled.Control; 42: import javax.sound.sampled.DataLine; 43: import javax.sound.sampled.LineListener; 44: import javax.sound.sampled.LineUnavailableException; 45: import javax.sound.sampled.Control.Type; 46: 47: public abstract class GstDataLine 48: implements DataLine 49: { 50: public static enum State 51: { 52: PLAY, PAUSE, STOP 53: } 54: 55: public static final int DEFAULT_BUFFER_SIZE = 1024; 56: 57: /** Represents the playing state of this Line. */ 58: protected State state = State.STOP; 59: 60: /** Represents if this Line is opened or not. */ 61: protected Boolean open = false; 62: 63: private AudioFormat format = null; 64: private int bufferSize = 0; 65: 66: public GstDataLine(AudioFormat format) 67: { 68: this.format = format; 69: this.bufferSize = DEFAULT_BUFFER_SIZE; 70: } 71: 72: public GstDataLine(AudioFormat format, int bufferSize) 73: { 74: this.format = format; 75: this.bufferSize = bufferSize; 76: } 77: 78: public int getBufferSize() 79: { 80: return this.bufferSize; 81: } 82: 83: public AudioFormat getFormat() 84: { 85: return this.format; 86: } 87: 88: public float getLevel() 89: { 90: // TODO Auto-generated method stub 91: return 0; 92: } 93: 94: public boolean isRunning() 95: { 96: return (state == State.PLAY || state == State.PAUSE); 97: } 98: 99: public void addLineListener(LineListener listener) 100: { 101: // TODO Auto-generated method stub 102: 103: } 104: 105: public Control getControl(Type what) 106: { 107: // TODO Auto-generated method stub 108: return null; 109: } 110: 111: public Control[] getControls() 112: { 113: // TODO Auto-generated method stub 114: return null; 115: } 116: 117: public javax.sound.sampled.Line.Info getLineInfo() 118: { 119: // TODO Auto-generated method stub 120: return null; 121: } 122: 123: public boolean isControlSupported(Type what) 124: { 125: return false; 126: } 127: 128: public boolean isOpen() 129: { 130: // TODO Auto-generated method stub 131: return false; 132: } 133: 134: public void open() throws LineUnavailableException 135: { 136: // TODO Auto-generated method stub 137: 138: } 139: 140: public void removeLineListener(LineListener listener) 141: { 142: // TODO Auto-generated method stub 143: 144: } 145: }