commit ab1293ad76cea8bb3cbed68ae57b1fc32e7ea4bc
author tkchin <tkchin@webrtc.org> Tue Aug 30 12:35:05 2016 -0700
committer Commit bot <commit-bot@chromium.org> Tue Aug 30 19:35:11 2016 +0000
tree fe8158e03c52310b87676d84bbd9342bd8b8c2a4
parent d4bfbfc75ae99dfe648a86943ca3d5aa6b4a9cc8

Update iOS AppRTCDemo to use level controller.

NOTRY=True
BUG=

Review-Url: https://codereview.webrtc.org/2294913003
Cr-Commit-Position: refs/heads/master@{#13977}

webrtc/examples/objc/AppRTCDemo/ARDAppClient.m

diff --git a/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m b/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
index a9dd8b1..ea86c5e 100644
--- a/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
+++ b/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
@@ -131,6 +131,7 @@
 @synthesize isAudioOnly = _isAudioOnly;
 @synthesize shouldMakeAecDump = _shouldMakeAecDump;
 @synthesize isAecDumpActive = _isAecDumpActive;
+@synthesize shouldUseLevelControl = _shouldUseLevelControl;
 
 - (instancetype)init {
   if (self = [super init]) {
@@ -223,12 +224,14 @@
 - (void)connectToRoomWithId:(NSString *)roomId
                  isLoopback:(BOOL)isLoopback
                 isAudioOnly:(BOOL)isAudioOnly
-          shouldMakeAecDump:(BOOL)shouldMakeAecDump {
+          shouldMakeAecDump:(BOOL)shouldMakeAecDump
+      shouldUseLevelControl:(BOOL)shouldUseLevelControl {
   NSParameterAssert(roomId.length);
   NSParameterAssert(_state == kARDAppClientStateDisconnected);
   _isLoopback = isLoopback;
   _isAudioOnly = isAudioOnly;
   _shouldMakeAecDump = shouldMakeAecDump;
+  _shouldUseLevelControl = shouldUseLevelControl;
   self.state = kARDAppClientStateConnecting;
 
 #if defined(WEBRTC_IOS)
@@ -689,10 +692,13 @@
 }
 
 - (RTCRtpSender *)createAudioSender {
+  RTCMediaConstraints *constraints = [self defaultMediaAudioConstraints];
+  RTCAudioSource *source = [_factory audioSourceWithConstraints:constraints];
+  RTCAudioTrack *track = [_factory audioTrackWithSource:source
+                                                trackId:kARDAudioTrackId];
   RTCRtpSender *sender =
       [_peerConnection senderWithKind:kRTCMediaStreamTrackKindAudio
                              streamId:kARDMediaStreamId];
-  RTCAudioTrack *track = [_factory audioTrackWithTrackId:kARDAudioTrackId];
   sender.track = track;
   return sender;
 }
@@ -744,6 +750,16 @@
 
 #pragma mark - Defaults
 
+ - (RTCMediaConstraints *)defaultMediaAudioConstraints {
+   NSString *valueLevelControl = _shouldUseLevelControl ?
+       kRTCMediaConstraintsValueTrue : kRTCMediaConstraintsValueFalse;
+   NSDictionary *mandatoryConstraints = @{ kRTCMediaConstraintsLevelControl : valueLevelControl };
+   RTCMediaConstraints* constraints =
+       [[RTCMediaConstraints alloc]  initWithMandatoryConstraints:mandatoryConstraints
+                                              optionalConstraints:nil];
+   return constraints;
+}
+
 - (RTCMediaConstraints *)defaultMediaStreamConstraints {
   RTCMediaConstraints* constraints =
       [[RTCMediaConstraints alloc]