1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.audio;
import com.jme3.audio.AudioData.DataType;
import com.jme3.util.NativeObject;
import java.nio.ByteBuffer;
/**
* An <code>AudioBuffer</code> is an implementation of AudioData
* where the audio is buffered (stored in memory). All parts of it
* are accessible at any time. <br/>
* AudioBuffers are useful for short sounds, like effects, etc.
*
* @author Kirill Vainer
*/
public class AudioBuffer extends AudioData {
/**
* The audio data buffer. Should be direct and native ordered.
*/
protected ByteBuffer audioData;
public AudioBuffer(){
super();
}
protected AudioBuffer(int id){
super(id);
}
public DataType getDataType() {
return DataType.Buffer;
}
/**
* @return The duration of the audio in seconds. It is expected
* that audio is uncompressed.
*/
public float getDuration(){
int bytesPerSec = (bitsPerSample / 8) * channels * sampleRate;
if (audioData != null)
return (float) audioData.capacity() / bytesPerSec;
else
return Float.NaN; // unknown
}
@Override
public String toString(){
return getClass().getSimpleName() +
"[id="+id+", ch="+channels+", bits="+bitsPerSample +
", rate="+sampleRate+", duration="+getDuration()+"]";
}
/**
* Update the data in the buffer with new data.
* @param data
*/
public void updateData(ByteBuffer data){
this.audioData = data;
updateNeeded = true;
}
/**
* @return The buffered audio data.
*/
public ByteBuffer getData(){
return audioData;
}
public void resetObject() {
id = -1;
setUpdateNeeded();
}
public void deleteObject(AudioRenderer ar) {
}
@Override
public void deleteObject(Object rendererObject) {
((AudioRenderer)rendererObject).deleteAudioData(this);
}
@Override
public NativeObject createDestructableClone() {
return new AudioBuffer(id);
}
}
|
