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
|
# Commands covered: sound convert
#
package require -exact snack 2.2
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import ::tcltest::*
}
test convert-1.1 {convert command, mono->stereo} {
set s [snack::sound snd -load ex1.wav]
$s convert -channels 2
set res [$s sample 0]
$s destroy
set res
} {1177 1177}
test convert-1.2 {convert command, Lin16->Mulaw} {
set s [snack::sound snd -load ex1.wav]
$s convert -encoding Mulaw
set res [$s sample 0]
$s destroy
set res
} {1180}
test convert-1.3 {convert command, 16kH->32kHz} {
set s [snack::sound snd -load ex1.wav]
$s convert -rate 32000
set res [$s sample 5000]
$s destroy
set res
} {1688}
test convert-2.1 {convert command, missing argument for -rate option} {
set s [snack::sound snd -load ex1.wav]
catch {$s convert -rate} msg
$s destroy
set msg
} {wrong # args: should be "snd convert option value"}
test convert-3.1 {convert command, -progress option} {
set res ""
proc prog {msg frac} {
lappend ::res $frac
}
set s [snack::sound snd]
$s length 100000
$s convert -encoding Mulaw -progress prog
$s destroy
set res
} {0.0 0.99999 1.0}
test convert-4.1 {convert command, testing internal allocation} {
set s1 [snack::sound snd1]
set s2 [snack::sound snd2]
$s1 length 50000
$s2 copy $s1
$s1 convert -rate 8000
$s1 copy $s2
set res [$s2 sample 5000]
$s1 destroy
$s2 destroy
set res
} {0}
test convert-5.1 {convert command, stereo->mono} {
set s [snack::sound snd -channels 2]
$s length 1
$s convert -channels 1
set res [$s sample 0]
$s destroy
set res
} {0}
# cleanup
::tcltest::cleanupTests
return
|
