Provide isAudioEnabled flag to control audio unit.

webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 104 matching lines @@
 @end
 
 @implementation ARDMainView {
   UILabel *_appLabel;
   ARDRoomTextField *_roomText;
   UILabel *_callOptionsLabel;
   UISwitch *_audioOnlySwitch;
   UILabel *_audioOnlyLabel;
   UISwitch *_loopbackSwitch;
   UILabel *_loopbackLabel;
-  UISwitch *_audioConfigDelaySwitch;
-  UILabel *_audioConfigDelayLabel;
+  UISwitch *_useManualAudioSwitch;
+  UILabel *_useManualAudioLabel;
   UIButton *_startCallButton;
   UIButton *_audioLoopButton;
 }
 
 @synthesize delegate = _delegate;
 @synthesize isAudioLoopPlaying = _isAudioLoopPlaying;
 
 - (instancetype)initWithFrame:(CGRect)frame {
   if (self = [super initWithFrame:frame]) {
     _appLabel = [[UILabel alloc] initWithFrame:CGRectZero];
@@ skipping 31 matching lines @@
     [_loopbackSwitch sizeToFit];
     [self addSubview:_loopbackSwitch];
 
     _loopbackLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     _loopbackLabel.text = @"Loopback mode";
     _loopbackLabel.font = controlFont;
     _loopbackLabel.textColor = controlFontColor;
     [_loopbackLabel sizeToFit];
     [self addSubview:_loopbackLabel];
 
-    _audioConfigDelaySwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
-    [_audioConfigDelaySwitch sizeToFit];
-    _audioConfigDelaySwitch.on = YES;
-    [self addSubview:_audioConfigDelaySwitch];
+    _useManualAudioSwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
+    [_useManualAudioSwitch sizeToFit];
+    _useManualAudioSwitch.on = YES;
+    [self addSubview:_useManualAudioSwitch];
 
-    _audioConfigDelayLabel = [[UILabel alloc] initWithFrame:CGRectZero];
-    _audioConfigDelayLabel.text = @"Delay audio config";
-    _audioConfigDelayLabel.font = controlFont;
-    _audioConfigDelayLabel.textColor = controlFontColor;
-    [_audioConfigDelayLabel sizeToFit];
-    [self addSubview:_audioConfigDelayLabel];
+    _useManualAudioLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+    _useManualAudioLabel.text = @"Use manual audio config";
+    _useManualAudioLabel.font = controlFont;
+    _useManualAudioLabel.textColor = controlFontColor;
+    [_useManualAudioLabel sizeToFit];
+    [self addSubview:_useManualAudioLabel];
 
     _startCallButton = [UIButton buttonWithType:UIButtonTypeSystem];
     _startCallButton.backgroundColor = [UIColor blueColor];
     _startCallButton.layer.cornerRadius = 10;
     _startCallButton.clipsToBounds = YES;
     _startCallButton.contentEdgeInsets = UIEdgeInsetsMake(5, 10, 5, 10);
     [_startCallButton setTitle:@"Start call"
                       forState:UIControlStateNormal];
     _startCallButton.titleLabel.font = controlFont;
     [_startCallButton setTitleColor:[UIColor whiteColor]
@@ skipping 69 matching lines @@
   CGRect loopbackModeRect = CGRectMake(kCallControlMargin * 3,
                                        loopbackModeTop,
                                        _loopbackSwitch.frame.size.width,
                                        _loopbackSwitch.frame.size.height);
   _loopbackSwitch.frame = loopbackModeRect;
   CGFloat loopbackModeLabelCenterX = CGRectGetMaxX(loopbackModeRect) +
       kCallControlMargin + _loopbackLabel.frame.size.width / 2;
   _loopbackLabel.center = CGPointMake(loopbackModeLabelCenterX,
                                       CGRectGetMidY(loopbackModeRect));
 
-  CGFloat audioConfigDelayTop =
+  CGFloat useManualAudioTop =
       CGRectGetMaxY(_loopbackSwitch.frame) + kCallControlMargin;
-  CGRect audioConfigDelayRect =
+  CGRect useManualAudioRect =
       CGRectMake(kCallControlMargin * 3,
-                 audioConfigDelayTop,
-                 _audioConfigDelaySwitch.frame.size.width,
-                 _audioConfigDelaySwitch.frame.size.height);
-  _audioConfigDelaySwitch.frame = audioConfigDelayRect;
-  CGFloat audioConfigDelayLabelCenterX = CGRectGetMaxX(audioConfigDelayRect) +
-      kCallControlMargin + _audioConfigDelayLabel.frame.size.width / 2;
-  _audioConfigDelayLabel.center =
-      CGPointMake(audioConfigDelayLabelCenterX,
-                  CGRectGetMidY(audioConfigDelayRect));
+                 useManualAudioTop,
+                 _useManualAudioSwitch.frame.size.width,
+                 _useManualAudioSwitch.frame.size.height);
+  _useManualAudioSwitch.frame = useManualAudioRect;
+  CGFloat useManualAudioLabelCenterX = CGRectGetMaxX(useManualAudioRect) +
+      kCallControlMargin + _useManualAudioLabel.frame.size.width / 2;
+  _useManualAudioLabel.center =
+      CGPointMake(useManualAudioLabelCenterX,
+                  CGRectGetMidY(useManualAudioRect));
 
   CGFloat audioLoopTop =
-     CGRectGetMaxY(audioConfigDelayRect) + kCallControlMargin * 3;
+     CGRectGetMaxY(useManualAudioRect) + kCallControlMargin * 3;
   _audioLoopButton.frame = CGRectMake(kCallControlMargin,
                                       audioLoopTop,
                                       _audioLoopButton.frame.size.width,
                                       _audioLoopButton.frame.size.height);
 
   CGFloat startCallTop =
       CGRectGetMaxY(_audioLoopButton.frame) + kCallControlMargin * 3;
   _startCallButton.frame = CGRectMake(kCallControlMargin,
                                       startCallTop,
                                       _startCallButton.frame.size.width,
@@ skipping 24 matching lines @@
   NSString *room = _roomText.roomText;
   // If this is a loopback call, allow a generated room name.
   if (!room.length && _loopbackSwitch.isOn) {
     room = [[NSUUID UUID] UUIDString];
   }
   room = [room stringByReplacingOccurrencesOfString:@"-" withString:@""];
   [_delegate mainView:self
                 didInputRoom:room
                   isLoopback:_loopbackSwitch.isOn
                  isAudioOnly:_audioOnlySwitch.isOn
-      shouldDelayAudioConfig:_audioConfigDelaySwitch.isOn];
+              useManualAudio:_useManualAudioSwitch.isOn];
 }
 
 @end