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
|
//
// ViewController.m
// iOSKeyboard
//
// Created by Romain Michon on 6/6/16.
// Copyright © 2016 CCRMA. All rights reserved.
//
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController{
DspFaust* faustDsp;
NSInteger currentPreset;
NSString *audioSettingsFile;
NSDictionary *audioSettings;
}
- (void)viewDidLoad {
[super viewDidLoad];
currentPreset = 0;
NSString *documentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
// if no presets in documents directory, then upload defaults if they exist
NSArray *resourceFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:[[NSBundle mainBundle] resourcePath] error:nil];
NSMutableArray *presetFiles = [[NSMutableArray alloc] init];
for(int i=0; i<[resourceFiles count]; i++){
if([[resourceFiles objectAtIndex:i] rangeOfString:@"_keyb"].location != NSNotFound || [[resourceFiles objectAtIndex:i] rangeOfString:@"_dsp"].location != NSNotFound){
[presetFiles addObject:[resourceFiles objectAtIndex:i]];
}
}
if([[[NSFileManager defaultManager] contentsOfDirectoryAtPath:documentsDirectory error:nil] count] == 0){
for(int i=0; i<[presetFiles count]; i++){
NSString *resourcePath = [[NSBundle mainBundle] pathForResource:[presetFiles objectAtIndex:i] ofType:nil];
[[NSFileManager defaultManager] copyItemAtPath:resourcePath toPath:[documentsDirectory stringByAppendingPathComponent:[presetFiles objectAtIndex:i]] error:nil];
}
}
// initializing audio settings
audioSettingsFile = [documentsDirectory stringByAppendingPathComponent:@"audioSettings"];
audioSettings = [[NSDictionary alloc] initWithContentsOfFile:audioSettingsFile];
// if no saved settings then create defaults
if([audioSettings count] == 0){
[self createDefaultAudioSettings];
}
[self startFaustDsp];
MultiKeyboard *multiKeyboard = [[MultiKeyboard alloc] initWithFrame:CGRectMake(0.0f, 0.0f, self.view.frame.size.width, self.view.frame.size.height) withFaustDSP:faustDsp withPreset:nil];
[self.view addSubview:multiKeyboard];
}
// creates default audio settings
- (void)createDefaultAudioSettings{
audioSettings = [NSMutableDictionary dictionaryWithDictionary:
@{
@"SR":[NSNumber numberWithInt:44100],
@"bufferLength":[NSNumber numberWithInt:256]
}];
[audioSettings writeToFile:audioSettingsFile atomically:YES];
}
// start the faust dsp object and its associated elements
- (void)startFaustDsp{
if(!faustDsp){
faustDsp = new DspFaust([audioSettings[@"SR"] intValue],[audioSettings[@"bufferLength"] intValue]);
faustDsp->start();
}
}
// stop the faust dsp object and its associated elements
- (void)stopFaustDsp{
if(faustDsp){
faustDsp->stop();
delete faustDsp;
faustDsp = NULL;
}
}
- (void)viewWillDisappear:(BOOL)animated{
[super viewWillDisappear:animated];
[self stopFaustDsp];
}
- (BOOL)prefersStatusBarHidden
{
return YES;
}
- (BOOL) shouldAutorotate{
return NO;
}
@end
|
