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/*
RecordTestViewController.m:
Copyright (C) 2011 Thomas Hass
Updated in 2017 by Dr. Richard Boulanger, Nikhil Singh
This file is part of Csound iOS Examples.
The Csound for iOS Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
#import "RecordTestViewController.h"
@implementation RecordTestViewController
-(void)viewDidLoad {
self.title = @"13. Mic: Recording";
[super viewDidLoad];
self.mPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:[self recordingURL] error:nil];
[self.mPlayer setDelegate:self];
}
-(IBAction) toggleOnOff:(id)component {
UISwitch *uiswitch = (UISwitch *)component;
NSLog(@"Status: %d", [uiswitch isOn]);
if(uiswitch.on) {
NSString *tempFile = [[NSBundle mainBundle] pathForResource:@"recordTest" ofType:@"csd"];
[self.csound stop];
self.csound = [[CsoundObj alloc] init];
self.csound.useAudioInput = YES;
[self.csound addListener:self];
CsoundUI *csoundUI = [[CsoundUI alloc] initWithCsoundObj:self.csound];
[csoundUI addSlider:_mGainSlider forChannelName:@"gain"];
[_mLevelMeter addToCsoundObj:self.csound forChannelName:@"meter"];
[self.csound play:tempFile];
} else {
[self.csound stopRecording];
[self.csound stop];
}
}
- (IBAction)changeGain:(UISlider *)sender
{
[_mGainLabel setText:[NSString stringWithFormat:@"%.2f", [sender value]]];
}
- (IBAction)play:(UIButton *)sender
{
[_mPlayer play];
[sender removeTarget:self action:@selector(play:) forControlEvents:UIControlEventTouchUpInside];
[sender addTarget:self action:@selector(stop:) forControlEvents:UIControlEventTouchUpInside];
[sender setTitle:@"Stop" forState:UIControlStateNormal];
}
- (IBAction)stop:(UIButton *)sender
{
[_mPlayer stop];
[_mPlayer setCurrentTime:0];
[sender removeTarget:self action:@selector(stop:) forControlEvents:UIControlEventTouchUpInside];
[sender addTarget:self action:@selector(play:) forControlEvents:UIControlEventTouchUpInside];
[sender setTitle:@"Play" forState:UIControlStateNormal];
}
- (IBAction)showInfo:(UIButton *)sender {
UIViewController *infoVC = [[UIViewController alloc] init];
infoVC.modalPresentationStyle = UIModalPresentationPopover;
UIPopoverPresentationController *popover = infoVC.popoverPresentationController;
popover.sourceView = sender;
popover.sourceRect = sender.bounds;
[infoVC setPreferredContentSize:CGSizeMake(300, 120)];
UITextView *infoText = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, infoVC.preferredContentSize.width, infoVC.preferredContentSize.height)];
infoText.editable = NO;
infoText.selectable = NO;
NSString *description = @"This example uses a custom level-meter widget, and demonstrates efficient use of concurrency for an audio application.";
[infoText setAttributedText:[[NSAttributedString alloc] initWithString:description]];
infoText.font = [UIFont fontWithName:@"Menlo" size:16];
[infoVC.view addSubview:infoText];
popover.delegate = self;
[popover setPermittedArrowDirections:UIPopoverArrowDirectionUp];
[self presentViewController:infoVC animated:YES completion:nil];
}
- (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag
{
[_mPlayer setCurrentTime:0];
[_mPlayButton removeTarget:self action:@selector(stop:) forControlEvents:UIControlEventTouchUpInside];
[_mPlayButton addTarget:self action:@selector(play:) forControlEvents:UIControlEventTouchUpInside];
[_mPlayButton setTitle:@"Play" forState:UIControlStateNormal];
}
- (NSURL *)recordingURL
{
NSURL *localDocDirURL = nil;
if (localDocDirURL == nil) {
NSString *docDirPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)
objectAtIndex:0];
localDocDirURL = [NSURL fileURLWithPath:docDirPath];
}
return [localDocDirURL URLByAppendingPathComponent:@"recording.wav"];
}
#pragma mark CsoundObjListener
-(void)csoundObjStarted:(CsoundObj *)csoundObj {
[self.csound recordToURL:[self recordingURL]];
}
-(void)csoundObjCompleted:(CsoundObj *)csoundObj {
[_mSwitch setOn:NO animated:YES];
_mPlayer = nil;
_mPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:[self recordingURL] error:nil];
[_mPlayer setDelegate:self];
}
@end
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