1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage com.android.internal.sound.sampled; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport android.media.AudioManager; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport android.media.MediaPlayer; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.ByteArrayInputStream; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.IOException; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.InputStream; 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.AudioFormat; 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.AudioInputStream; 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.Clip; 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.Control; 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.Line; 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.LineListener; 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.LineUnavailableException; 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.sound.sampled.Control.Type; 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Implements an audio Clip for Android. Since Android's MediaPlayer is somewhat 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limited, we only support sample playback, but not recording or the querying 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * of sample information. Many of the methods hence throw 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * {@link java.lang.UnsupportedOperationException} or return dummy results. 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class AndroidClip implements Clip { 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Holds the Android MediaPlayer we use. 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private MediaPlayer player; 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Holds the AndroidAudioInputStream we want to play. 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private AndroidAudioInputStream stream; 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getFrameLength() { 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public long getMicrosecondLength() { 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void loop(int count) { 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void open(AudioFormat format, byte[] data, int offset, int bufferSize) 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throws LineUnavailableException { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project InputStream stream = new ByteArrayInputStream(data, offset, bufferSize); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project open(); 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project try { 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.stream = (AndroidAudioInputStream)(new AndroidAudioFileReader().getAudioInputStream(stream)); 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } catch (Exception ex) { 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new LineUnavailableException(ex.toString()); 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void open(AudioInputStream stream) throws LineUnavailableException, IOException { 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project open(); 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!(stream instanceof AndroidAudioInputStream)) { 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project try { 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project stream = new AndroidAudioFileReader().getAudioInputStream(stream); 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } catch (Exception ex) { 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new LineUnavailableException(ex.toString()); 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.stream = (AndroidAudioInputStream)stream; 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void setFramePosition(int frames) { 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void setLoopPoints(int start, int end) { 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void setMicrosecondPosition(long microseconds) { 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!isOpen()) { 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalStateException("Clip must be open"); 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.seekTo((int)(microseconds / 1000)); 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int available() { 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void drain() { 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 114f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void flush() { 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getBufferSize() { 119f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 120f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 121f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 122f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public AudioFormat getFormat() { 123f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 124f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 125f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 126f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getFramePosition() { 127f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 128f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 129f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 130f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public float getLevel() { 131f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 132f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 133f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 134f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public long getLongFramePosition() { 135f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 136f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 137f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 138f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public long getMicrosecondPosition() { 139f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (isOpen()) { 140f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return player.getCurrentPosition() * 1000; 141f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } else { 142f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return 0; 143f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 144f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 145f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 146f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean isActive() { 147f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 148f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 149f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 150f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean isRunning() { 151f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return player != null && player.isPlaying(); 152f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 153f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 154f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void start() { 155f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!isOpen()) { 156f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalStateException("Clip must be open"); 157f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 158f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 159f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (stream == null) { 160f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalStateException("Need an AudioInputStream to play"); 161f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 162f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 163f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!isRunning()) { 164f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* 165f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * This is ugly, but there is no way around it: The javax.sound API 166f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * doesn't expect to throw an exception at this point for illegal 167f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * MIDI sequences. Since we don't really construct the MIDI sequence 168f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * from the original binary data, but only refer to its URL, the 169f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * MediaPlayer can actually bail out at this point. We wrap the 170f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * exception into a RuntimeException, to at least keep the API 171f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contract. 172f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 173f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project try { 174f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project String s = this.stream.getURL().toExternalForm(); 175f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 176f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* 177f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * TODO Workaround for 1107794: MediaPlayer doesn't handle 178f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * "file:" URLs. Get rid of this. 179f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 180f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (s.startsWith("file:")) { 181f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project s = s.substring(5); 182f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 183f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 184f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.setDataSource(s); 185f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.setAudioStreamType(AudioManager.STREAM_MUSIC); 186f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.prepare(); 187f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } catch (IOException ex) { 188f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new RuntimeException(ex.toString()); 189f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 190f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 191f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.start(); 192f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 193f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 194f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 195f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void stop() { 196f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (!isOpen()) { 197f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalStateException("Clip must be open"); 198f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 199f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 200f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (isRunning()) { 201f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player.stop(); 202f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 203f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 204f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 205f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void addLineListener(LineListener listener) { 206f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 207f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 208f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 209f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void close() { 210f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (isOpen()) { 211f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project stop(); 212f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player = null; 213f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 214f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 215f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 216f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Control getControl(Type control) { 217f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalArgumentException("No controls available"); 218f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 219f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 220f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Control[] getControls() { 221f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new Control[0]; 222f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 223f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 224f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public javax.sound.sampled.Line.Info getLineInfo() { 225f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new Line.Info(this.getClass()); 226f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 227f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 228f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean isControlSupported(Type control) { 229f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 230f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 231f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 232f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean isOpen() { 233f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return player != null; 234f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 235f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 236f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void open() throws LineUnavailableException { 237f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project try { 238f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project player = new MediaPlayer(); 239f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } catch (Exception ex) { 240f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new LineUnavailableException(ex.toString()); 241f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 242f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 243f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 244f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void removeLineListener(LineListener listener) { 245f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new UnsupportedOperationException(); 246f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 247f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 248f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 249