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authorBjörn Stenberg <bjorn@haxx.se>2007-01-08 23:53:00 +0000
committerBjörn Stenberg <bjorn@haxx.se>2007-01-08 23:53:00 +0000
commit7039a05147b8bbfc829babea1c65bd436450b505 (patch)
tree4ba555eb84ed97b72b0575034d5b0530a393713e /songdbj/org/tritonus/share/sampled/mixer/TSoftClip.java
parent6d4c19707ef95942e323cbdc89fbbfdbe45e7cc5 (diff)
downloadrockbox-7039a05147b8bbfc829babea1c65bd436450b505.tar.gz
rockbox-7039a05147b8bbfc829babea1c65bd436450b505.zip
Splitting out songdbj
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657
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diff --git a/songdbj/org/tritonus/share/sampled/mixer/TSoftClip.java b/songdbj/org/tritonus/share/sampled/mixer/TSoftClip.java
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1/*
2 * TSoftClip.java
3 *
4 * This file is part of Tritonus: http://www.tritonus.org/
5 */
6
7/*
8 * Copyright (c) 1999 by Matthias Pfisterer
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Library General Public License as published
13 * by the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Library General Public License for more details.
20 *
21 * You should have received a copy of the GNU Library General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 */
26
27/*
28|<--- this code is formatted to fit into 80 columns --->|
29*/
30
31package org.tritonus.share.sampled.mixer;
32
33import java.io.IOException;
34import java.io.ByteArrayInputStream;
35import java.io.ByteArrayOutputStream;
36
37import javax.sound.sampled.AudioFormat;
38import javax.sound.sampled.AudioSystem;
39import javax.sound.sampled.Clip;
40import javax.sound.sampled.DataLine;
41import javax.sound.sampled.SourceDataLine;
42import javax.sound.sampled.AudioInputStream;
43import javax.sound.sampled.LineUnavailableException;
44import javax.sound.sampled.Mixer;
45
46import org.tritonus.share.TDebug;
47import org.tritonus.share.sampled.mixer.TDataLine;
48
49
50
51public class TSoftClip
52extends TClip
53implements Runnable
54{
55 private static final Class[] CONTROL_CLASSES = {/*GainControl.class*/};
56 private static final int BUFFER_SIZE = 16384;
57
58
59 private Mixer m_mixer;
60 private SourceDataLine m_line;
61 private byte[] m_abClip;
62 private int m_nRepeatCount;
63 private Thread m_thread;
64
65 public TSoftClip(Mixer mixer, AudioFormat format)
66 throws LineUnavailableException
67 {
68 // TODO: info object
69/*
70 DataLine.Info info = new DataLine.Info(Clip.class,
71 audioFormat, -1);
72*/
73 super(null);
74 m_mixer = mixer;
75 DataLine.Info info = new DataLine.Info(
76 SourceDataLine.class,
77 // TODO: should pass a real AudioFormat object that isn't too restrictive
78 format);
79 m_line = (SourceDataLine) AudioSystem.getLine(info);
80 }
81
82
83
84 public void open(AudioInputStream audioInputStream)
85 throws LineUnavailableException, IOException
86 {
87 AudioFormat audioFormat = audioInputStream.getFormat();
88 setFormat(audioFormat);
89 int nFrameSize = audioFormat.getFrameSize();
90 if (nFrameSize < 1)
91 {
92 throw new IllegalArgumentException("frame size must be positive");
93 }
94 if (TDebug.TraceClip)
95 {
96 TDebug.out("TSoftClip.open(): format: " + audioFormat);
97 // TDebug.out("sample rate: " + audioFormat.getSampleRate());
98 }
99 byte[] abData = new byte[BUFFER_SIZE];
100 ByteArrayOutputStream baos = new ByteArrayOutputStream();
101 int nBytesRead = 0;
102 while (nBytesRead != -1)
103 {
104 try
105 {
106 nBytesRead = audioInputStream.read(abData, 0, abData.length);
107 }
108 catch (IOException e)
109 {
110 if (TDebug.TraceClip || TDebug.TraceAllExceptions)
111 {
112 TDebug.out(e);
113 }
114 }
115 if (nBytesRead >= 0)
116 {
117 if (TDebug.TraceClip)
118 {
119 TDebug.out("TSoftClip.open(): Trying to write: " + nBytesRead);
120 }
121 baos.write(abData, 0, nBytesRead);
122 if (TDebug.TraceClip)
123 {
124 TDebug.out("TSoftClip.open(): Written: " + nBytesRead);
125 }
126 }
127 }
128 m_abClip = baos.toByteArray();
129 setBufferSize(m_abClip.length);
130 // open the line
131 m_line.open(getFormat());
132 // to trigger the events
133 // open();
134 }
135
136
137
138 public int getFrameLength()
139 {
140 if (isOpen())
141 {
142 return getBufferSize() / getFormat().getFrameSize();
143 }
144 else
145 {
146 return AudioSystem.NOT_SPECIFIED;
147 }
148 }
149
150
151
152 public long getMicrosecondLength()
153 {
154 if (isOpen())
155 {
156 return (long) (getFrameLength() * getFormat().getFrameRate() * 1000000);
157 }
158 else
159 {
160 return AudioSystem.NOT_SPECIFIED;
161 }
162 }
163
164
165
166 public void setFramePosition(int nPosition)
167 {
168 // TOOD:
169 }
170
171
172
173 public void setMicrosecondPosition(long lPosition)
174 {
175 // TOOD:
176 }
177
178
179
180 public int getFramePosition()
181 {
182 // TOOD:
183 return -1;
184 }
185
186
187
188 public long getMicrosecondPosition()
189 {
190 // TOOD:
191 return -1;
192 }
193
194
195
196 public void setLoopPoints(int nStart, int nEnd)
197 {
198 // TOOD:
199 }
200
201
202
203 public void loop(int nCount)
204 {
205 if (TDebug.TraceClip)
206 {
207 TDebug.out("TSoftClip.loop(int): called; count = " + nCount);
208 }
209 if (false/*isStarted()*/)
210 {
211 /*
212 * only allow zero count to stop the looping
213 * at the end of an iteration.
214 */
215 if (nCount == 0)
216 {
217 if (TDebug.TraceClip)
218 {
219 TDebug.out("TSoftClip.loop(int): stopping sample");
220 }
221 // m_esdSample.stop();
222 }
223 }
224 else
225 {
226 m_nRepeatCount = nCount;
227 m_thread = new Thread(this);
228 m_thread.start();
229 }
230 // TOOD:
231 }
232
233
234
235 public void flush()
236 {
237 // TOOD:
238 }
239
240
241
242 public void drain()
243 {
244 // TOOD:
245 }
246
247
248
249 public void close()
250 {
251 // m_esdSample.free();
252 // m_esdSample.close();
253 // TOOD:
254 }
255
256
257
258
259 public void open()
260 {
261 // TODO:
262 }
263
264
265
266 public void start()
267 {
268 if (TDebug.TraceClip)
269 {
270 TDebug.out("TSoftClip.start(): called");
271 }
272 /*
273 * This is a hack. What start() really should do is
274 * start playing at the position playback was stopped.
275 */
276 if (TDebug.TraceClip)
277 {
278 TDebug.out("TSoftClip.start(): calling 'loop(0)' [hack]");
279 }
280 loop(0);
281 }
282
283
284
285 public void stop()
286 {
287 // TODO:
288 // m_esdSample.kill();
289 }
290
291
292
293 /*
294 * This method is enforced by DataLine, but doesn't make any
295 * sense for Clips.
296 */
297 public int available()
298 {
299 return -1;
300 }
301
302
303
304 public void run()
305 {
306 while (m_nRepeatCount >= 0)
307 {
308 m_line.write(m_abClip, 0, m_abClip.length);
309 m_nRepeatCount--;
310 }
311 }
312
313}
314
315
316
317/*** TSoftClip.java ***/
318
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