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Diffstat (limited to 'songdbj/de/jarnbjo/util/audio/FadeableAudioInputStream.java')
-rw-r--r--songdbj/de/jarnbjo/util/audio/FadeableAudioInputStream.java62
1 files changed, 0 insertions, 62 deletions
diff --git a/songdbj/de/jarnbjo/util/audio/FadeableAudioInputStream.java b/songdbj/de/jarnbjo/util/audio/FadeableAudioInputStream.java
deleted file mode 100644
index 4916102d4b..0000000000
--- a/songdbj/de/jarnbjo/util/audio/FadeableAudioInputStream.java
+++ /dev/null
@@ -1,62 +0,0 @@
1package de.jarnbjo.util.audio;
2
3import java.io.*;
4import javax.sound.sampled.*;
5
6public class FadeableAudioInputStream extends AudioInputStream {
7
8 private AudioInputStream stream;
9 private boolean fading=false;
10 private double phi=0.0;
11
12 public FadeableAudioInputStream(AudioInputStream stream) throws IOException {
13 super(stream, stream.getFormat(), -1L);
14 }
15
16 public void fadeOut() {
17 fading=true;
18 phi=0.0;
19 }
20
21 public int read(byte[] b) throws IOException {
22 return read(b, 0, b.length);
23 }
24
25 public int read(byte[] b, int offset, int length) throws IOException {
26 int read=super.read(b, offset, length);
27
28 //System.out.println("read "+read);
29
30 if(fading) {
31 int j=0, l=0, r=0;
32 double gain=0.0;
33
34 for(int i=offset; i<offset+read; i+=4) {
35 j=i;
36 l=((int)b[j++])&0xff;
37 l|=((int)b[j++])<<8;
38 r=((int)b[j++])&0xff;
39 r|=((int)b[j])<<8;
40
41 if(phi<Math.PI/2) {
42 phi+=0.000015;
43 }
44
45 gain=Math.cos(phi);
46 //System.out.println("gain "+gain);
47
48 l=(int)(l*gain);
49 r=(int)(r*gain);
50
51 j=i;
52 b[j++]=(byte)(l&0xff);
53 b[j++]=(byte)((l>>8)&0xff);
54 b[j++]=(byte)(r&0xff);
55 b[j++]=(byte)((r>>8)&0xff);
56 }
57 }
58
59 return read;
60 }
61
62} \ No newline at end of file