Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, WebRTC is moving the content of the src/webrtc directory up to the src/ directory. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38 Reviewed-on: https://webrtc-review.googlesource.com/1560 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19845}
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Mirko Bonadei
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examples/objc/AppRTCMobile/ios/ARDMainViewController.m
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260
examples/objc/AppRTCMobile/ios/ARDMainViewController.m
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/*
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* Copyright 2015 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import "ARDMainViewController.h"
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#import <AVFoundation/AVFoundation.h>
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#import "WebRTC/RTCAudioSession.h"
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#import "WebRTC/RTCAudioSessionConfiguration.h"
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#import "WebRTC/RTCDispatcher.h"
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#import "WebRTC/RTCLogging.h"
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#import "ARDAppClient.h"
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#import "ARDMainView.h"
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#import "ARDSettingsModel.h"
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#import "ARDSettingsViewController.h"
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#import "ARDVideoCallViewController.h"
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static NSString *const barButtonImageString = @"ic_settings_black_24dp.png";
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// Launch argument to be passed to indicate that the app should start loopback immediatly
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static NSString *const loopbackLaunchProcessArgument = @"loopback";
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@interface ARDMainViewController () <
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ARDMainViewDelegate,
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ARDVideoCallViewControllerDelegate,
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RTCAudioSessionDelegate>
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@end
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@implementation ARDMainViewController {
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ARDMainView *_mainView;
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AVAudioPlayer *_audioPlayer;
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BOOL _useManualAudio;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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if ([[[NSProcessInfo processInfo] arguments] containsObject:loopbackLaunchProcessArgument]) {
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[self mainView:nil didInputRoom:@"" isLoopback:YES];
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}
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}
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- (void)loadView {
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self.title = @"AppRTC Mobile";
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_mainView = [[ARDMainView alloc] initWithFrame:CGRectZero];
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_mainView.delegate = self;
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self.view = _mainView;
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[self addSettingsBarButton];
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RTCAudioSessionConfiguration *webRTCConfig =
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[RTCAudioSessionConfiguration webRTCConfiguration];
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webRTCConfig.categoryOptions = webRTCConfig.categoryOptions |
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AVAudioSessionCategoryOptionDefaultToSpeaker;
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[RTCAudioSessionConfiguration setWebRTCConfiguration:webRTCConfig];
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RTCAudioSession *session = [RTCAudioSession sharedInstance];
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[session addDelegate:self];
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[self configureAudioSession];
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[self setupAudioPlayer];
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}
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- (void)addSettingsBarButton {
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UIBarButtonItem *settingsButton =
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[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:barButtonImageString]
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(showSettings:)];
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self.navigationItem.rightBarButtonItem = settingsButton;
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}
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+ (NSString *)loopbackRoomString {
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NSString *loopbackRoomString =
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[[NSUUID UUID].UUIDString stringByReplacingOccurrencesOfString:@"-" withString:@""];
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return loopbackRoomString;
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}
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#pragma mark - ARDMainViewDelegate
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- (void)mainView:(ARDMainView *)mainView didInputRoom:(NSString *)room isLoopback:(BOOL)isLoopback {
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if (!room.length) {
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if (isLoopback) {
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// If this is a loopback call, allow a generated room name.
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room = [[self class] loopbackRoomString];
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} else {
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[self showAlertWithMessage:@"Missing room name."];
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return;
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}
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}
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// Trim whitespaces.
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NSCharacterSet *whitespaceSet = [NSCharacterSet whitespaceCharacterSet];
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NSString *trimmedRoom = [room stringByTrimmingCharactersInSet:whitespaceSet];
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// Check that room name is valid.
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NSError *error = nil;
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NSRegularExpressionOptions options = NSRegularExpressionCaseInsensitive;
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NSRegularExpression *regex =
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[NSRegularExpression regularExpressionWithPattern:@"\\w+"
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options:options
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error:&error];
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if (error) {
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[self showAlertWithMessage:error.localizedDescription];
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return;
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}
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NSRange matchRange =
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[regex rangeOfFirstMatchInString:trimmedRoom
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options:0
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range:NSMakeRange(0, trimmedRoom.length)];
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if (matchRange.location == NSNotFound ||
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matchRange.length != trimmedRoom.length) {
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[self showAlertWithMessage:@"Invalid room name."];
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return;
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}
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ARDSettingsModel *settingsModel = [[ARDSettingsModel alloc] init];
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RTCAudioSession *session = [RTCAudioSession sharedInstance];
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session.useManualAudio = [settingsModel currentUseManualAudioConfigSettingFromStore];
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session.isAudioEnabled = NO;
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// Kick off the video call.
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ARDVideoCallViewController *videoCallViewController =
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[[ARDVideoCallViewController alloc] initForRoom:trimmedRoom
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isLoopback:isLoopback
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delegate:self];
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videoCallViewController.modalTransitionStyle =
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UIModalTransitionStyleCrossDissolve;
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[self presentViewController:videoCallViewController
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animated:YES
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completion:nil];
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}
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- (void)mainViewDidToggleAudioLoop:(ARDMainView *)mainView {
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if (mainView.isAudioLoopPlaying) {
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[_audioPlayer stop];
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} else {
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[_audioPlayer play];
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}
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mainView.isAudioLoopPlaying = _audioPlayer.playing;
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}
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#pragma mark - ARDVideoCallViewControllerDelegate
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- (void)viewControllerDidFinish:(ARDVideoCallViewController *)viewController {
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if (![viewController isBeingDismissed]) {
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RTCLog(@"Dismissing VC");
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[self dismissViewControllerAnimated:YES completion:^{
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[self restartAudioPlayerIfNeeded];
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}];
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}
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RTCAudioSession *session = [RTCAudioSession sharedInstance];
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session.isAudioEnabled = NO;
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}
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#pragma mark - RTCAudioSessionDelegate
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- (void)audioSessionDidStartPlayOrRecord:(RTCAudioSession *)session {
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// Stop playback on main queue and then configure WebRTC.
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[RTCDispatcher dispatchAsyncOnType:RTCDispatcherTypeMain
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block:^{
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if (_mainView.isAudioLoopPlaying) {
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RTCLog(@"Stopping audio loop due to WebRTC start.");
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[_audioPlayer stop];
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}
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RTCLog(@"Setting isAudioEnabled to YES.");
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session.isAudioEnabled = YES;
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}];
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}
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- (void)audioSessionDidStopPlayOrRecord:(RTCAudioSession *)session {
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// WebRTC is done with the audio session. Restart playback.
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[RTCDispatcher dispatchAsyncOnType:RTCDispatcherTypeMain
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block:^{
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RTCLog(@"audioSessionDidStopPlayOrRecord");
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[self restartAudioPlayerIfNeeded];
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}];
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}
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#pragma mark - Private
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- (void)showSettings:(id)sender {
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ARDSettingsViewController *settingsController =
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[[ARDSettingsViewController alloc] initWithStyle:UITableViewStyleGrouped
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settingsModel:[[ARDSettingsModel alloc] init]];
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UINavigationController *navigationController =
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[[UINavigationController alloc] initWithRootViewController:settingsController];
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[self presentViewControllerAsModal:navigationController];
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}
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- (void)presentViewControllerAsModal:(UIViewController *)viewController {
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[self presentViewController:viewController animated:YES completion:nil];
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}
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- (void)configureAudioSession {
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RTCAudioSessionConfiguration *configuration =
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[[RTCAudioSessionConfiguration alloc] init];
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configuration.category = AVAudioSessionCategoryAmbient;
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configuration.categoryOptions = AVAudioSessionCategoryOptionDuckOthers;
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configuration.mode = AVAudioSessionModeDefault;
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RTCAudioSession *session = [RTCAudioSession sharedInstance];
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[session lockForConfiguration];
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BOOL hasSucceeded = NO;
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NSError *error = nil;
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if (session.isActive) {
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hasSucceeded = [session setConfiguration:configuration error:&error];
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} else {
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hasSucceeded = [session setConfiguration:configuration
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active:YES
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error:&error];
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}
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if (!hasSucceeded) {
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RTCLogError(@"Error setting configuration: %@", error.localizedDescription);
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}
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[session unlockForConfiguration];
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}
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- (void)setupAudioPlayer {
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NSString *audioFilePath =
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[[NSBundle mainBundle] pathForResource:@"mozart" ofType:@"mp3"];
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NSURL *audioFileURL = [NSURL URLWithString:audioFilePath];
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_audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:audioFileURL
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error:nil];
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_audioPlayer.numberOfLoops = -1;
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_audioPlayer.volume = 1.0;
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[_audioPlayer prepareToPlay];
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}
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- (void)restartAudioPlayerIfNeeded {
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[self configureAudioSession];
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if (_mainView.isAudioLoopPlaying && !self.presentedViewController) {
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RTCLog(@"Starting audio loop due to WebRTC end.");
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[_audioPlayer play];
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}
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}
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- (void)showAlertWithMessage:(NSString*)message {
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UIAlertController *alert =
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[UIAlertController alertControllerWithTitle:nil
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message:message
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preferredStyle:UIAlertControllerStyleAlert];
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UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"OK"
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action){
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}];
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[alert addAction:defaultAction];
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[self presentViewController:alert animated:YES completion:nil];
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}
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@end
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