/
main.go
153 lines (132 loc) · 3.2 KB
/
main.go
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
package main
import (
"bufio"
"flag"
"fmt"
"log"
"net/http"
"os"
"regexp"
"runtime"
"strconv"
"strings"
"github.com/mgutz/ansi"
"code.google.com/p/portaudio-go/portaudio"
)
var pflag = flag.Bool("primez", false, "Play Primez rather than interactive")
func main() {
flag.Parse()
//cmds := []string{"ls", "exit", "jobbie"}
PS2 := ansi.Color("#CMDSine> ", "magenta")
signalChan := make(chan SoundGen)
tickChan := make(chan int)
go ticker(tickChan)
// go fib(tickerChan)
portaudio.Initialize()
defer portaudio.Terminate()
m := newMixer()
go m.mix(signalChan)
go func() {
log.Println(http.ListenAndServe("localhost:6060", nil))
}()
// Check GOMAXPROCS
max_procs := runtime.GOMAXPROCS(-1)
num_procs_to_set := runtime.NumCPU()
if max_procs != num_procs_to_set {
runtime.GOMAXPROCS(num_procs_to_set)
}
// non-interactive - running Prime loop
if *pflag == true {
forevs := make(chan bool)
go primez(signalChan, tickChan)
<-forevs
}
shellReader := bufio.NewReader(os.Stdin)
for {
// SETUP && LOOP
fmt.Printf(PS2)
input, err := shellReader.ReadString('\n')
if err != nil {
if err.Error() == "EOF" {
myexit()
} else {
fmt.Println("Got an err for ye: ", err)
}
}
input = strings.TrimSpace(input)
// ALL DA REGEX FROM HERE ON OUT..
// SET OFF PRIME TRACK
prx, _ := regexp.MatchString("^prime$", input)
if prx {
go primez(signalChan, tickChan)
}
// SET BPM
bpmre := regexp.MustCompile("^bpm +([0-9]+)$")
br := bpmre.FindStringSubmatch(input)
if len(br) == 2 {
bpmval, err := strconv.ParseFloat(br[1], 64)
if err != nil {
fmt.Println("Choked on your Beats Per Minute, mate..")
continue
}
bpm = bpmval
tickLength = 60000 / bpm / 60
loopLength = tickLength * 16
}
// CREATE SINE w/ FREQ
re := regexp.MustCompile("^sine +([0-9]+)$")
sf := re.FindStringSubmatch(input)
if len(sf) == 2 {
freq, err := strconv.ParseFloat(sf[1], 64)
if err != nil {
fmt.Println("Choked on your sine freq, mate..")
continue
}
newSine(signalChan, freq)
}
// SET SINE ATTRIB
// ssx := regexp.MustCompile("^set sine ([0-9]) ([a-z]+) ([0-9\\.]+)$")
// ssxf := ssx.FindStringSubmatch(input)
// if len(ssxf) == 4 {
// sineNum, err := strconv.Atoi(ssxf[1])
// if err != nil {
// fmt.Println(err)
// continue
// }
// attrib := ssxf[2]
// val, err := strconv.ParseFloat(ssxf[3], 64)
// if err != nil {
// fmt.Println(err)
// continue
// }
// if sineNum < len(m.signals) {
// m.signals[sineNum].set(attrib, val)
// }
// }
// CREATE FREQMOD
fmx := regexp.MustCompile("^fm +([0-9]+) +([0-9]+)$")
fmxr := fmx.FindStringSubmatch(input)
// if len(fmxr) == 2 {
if len(fmxr) > 1 {
fmt.Println("New FM!")
car, err := strconv.ParseFloat(fmxr[1], 64)
if err != nil {
fmt.Println("Choked on your carrier freq, mate..")
continue
}
mod, err := strconv.ParseFloat(fmxr[2], 64)
if err != nil {
fmt.Println("Choked on your modulator freq, mate..")
continue
}
newFM(signalChan, car, mod)
}
// PROCESS LIST
psx, _ := regexp.MatchString("^ps$", input)
if psx {
fmt.Printf("///CMDSine:: bpm: %.0f \\\\\\\n", bpm)
m.listChans()
fmt.Println()
}
}
}