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
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#!/bin/bash
# Read alsaplayer's current speed and output the wanted speed
# pause +- value will not work.
# No music + or - 1 octave is always no music.
speedcalc() {
if [[ "`locale decimal_point`" == , ]] ; then
speed=$(echo ${speed/,/.})
fi
speed=$(echo $speed*$1|bc -l)
if [[ "`locale decimal_point`" == , ]] ; then
if [[ "$2" == "mplayer" ]] ; then
speed=$(echo ${speed/,/.})
else
speed=$(echo ${speed/./,})
fi
fi
echo $speed
}
speedcase() {
case "$1" in
maxmplayer)
echo 100
;;
max)
echo 10
;;
normal)
echo 1
;;
pause)
echo 0
;;
back)
echo -1
;;
min)
echo -10
;;
+6octave)
speedcalc 64 "$2"
;;
+5octave)
speedcalc 32 "$2"
;;
+4octave)
speedcalc 16 "$2"
;;
+3octave)
speedcalc 8 "$2"
;;
+2octave)
speedcalc 4 "$2"
;;
+1octave)
speedcalc 2 "$2"
;;
+1septieme)
speedcalc 1.88774862536 "$2"
;;
+1sixte)
speedcalc 1.68179283051 "$2"
;;
+1quinte)
speedcalc 1.49830707688 "$2"
;;
+1quarte)
speedcalc 1.33483985417 "$2"
;;
+1tierce)
speedcalc 1.25992104989 "$2"
;;
+1ton)
speedcalc 1.12246204831 "$2"
;;
+1/2ton)
speedcalc 1.05946309436 "$2"
;;
+1comma)
speedcalc 531441/524288 "$2"
;;
-1comma)
speedcalc 524288/531441 "$2"
;;
-1/2ton)
speedcalc 0.943874312682 "$2"
;;
-1ton)
speedcalc 0.89089871814 "$2"
;;
-1tierce)
speedcalc 0.793700525984 "$2"
;;
-1quarte)
speedcalc 0.749153538438 "$2"
;;
-1quinte)
speedcalc 0.667419927085 "$2"
;;
-1sixte)
speedcalc 0.594603557501 "$2"
;;
-1septieme)
speedcalc 0.52973154718 "$2"
;;
-1octave)
speedcalc 0.5 "$2"
;;
-2octave)
speedcalc 0.25 "$2"
;;
-3octave)
speedcalc 0.125 "$2"
;;
-4octave)
speedcalc 0.0625 "$2"
;;
-5octave)
speedcalc 0.03125 "$2"
;;
-6octave)
speedcalc 0.015625 "$2"
;;
minmplayer)
speedcalc 0.01 "$2"
;;
esac
}
speedcase $1 $2
# references: http://fr.wikipedia.org/wiki/Gamme_temp%C3%A9r%C3%A9e
|
