From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../objc/AppRTCMobile/mac/APPRTCViewController.m | 407 +++++++++++++++++++++ 1 file changed, 407 insertions(+) create mode 100644 third_party/libwebrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m (limited to 'third_party/libwebrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m') diff --git a/third_party/libwebrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m b/third_party/libwebrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m new file mode 100644 index 0000000000..982fa56b43 --- /dev/null +++ b/third_party/libwebrtc/examples/objc/AppRTCMobile/mac/APPRTCViewController.m @@ -0,0 +1,407 @@ +/* + * Copyright 2014 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. + */ + +#import "APPRTCViewController.h" + +#import + +#import "sdk/objc/api/peerconnection/RTCVideoTrack.h" +#import "sdk/objc/components/renderer/metal/RTCMTLNSVideoView.h" + +#import "ARDAppClient.h" +#import "ARDCaptureController.h" +#import "ARDSettingsModel.h" + +static NSUInteger const kContentWidth = 900; +static NSUInteger const kRoomFieldWidth = 200; +static NSUInteger const kActionItemHeight = 30; +static NSUInteger const kBottomViewHeight = 200; + +@class APPRTCMainView; +@protocol APPRTCMainViewDelegate + +- (void)appRTCMainView:(APPRTCMainView*)mainView + didEnterRoomId:(NSString*)roomId + loopback:(BOOL)isLoopback; + +@end + +@interface APPRTCMainView : NSView + +@property(nonatomic, weak) id delegate; +@property(nonatomic, readonly) NSView* localVideoView; +@property(nonatomic, readonly) NSView* remoteVideoView; +@property(nonatomic, readonly) NSTextView* logView; + +- (void)displayLogMessage:(NSString*)message; + +@end + +@interface APPRTCMainView () +@end +@implementation APPRTCMainView { + NSScrollView* _scrollView; + NSView* _actionItemsView; + NSButton* _connectButton; + NSButton* _loopbackButton; + NSTextField* _roomField; + CGSize _localVideoSize; + CGSize _remoteVideoSize; +} + +@synthesize delegate = _delegate; +@synthesize localVideoView = _localVideoView; +@synthesize remoteVideoView = _remoteVideoView; +@synthesize logView = _logView; + +- (void)displayLogMessage:(NSString *)message { + dispatch_async(dispatch_get_main_queue(), ^{ + self.logView.string = [NSString stringWithFormat:@"%@%@\n", self.logView.string, message]; + NSRange range = NSMakeRange(self.logView.string.length, 0); + [self.logView scrollRangeToVisible:range]; + }); +} + +#pragma mark - Private + +- (instancetype)initWithFrame:(NSRect)frame { + if (self = [super initWithFrame:frame]) { + [self setupViews]; + } + return self; +} + ++ (BOOL)requiresConstraintBasedLayout { + return YES; +} + +- (void)updateConstraints { + NSParameterAssert( + _roomField != nil && + _scrollView != nil && + _remoteVideoView != nil && + _localVideoView != nil && + _actionItemsView!= nil && + _connectButton != nil && + _loopbackButton != nil); + + [self removeConstraints:[self constraints]]; + NSDictionary* viewsDictionary = + NSDictionaryOfVariableBindings(_roomField, + _scrollView, + _remoteVideoView, + _localVideoView, + _actionItemsView, + _connectButton, + _loopbackButton); + + NSSize remoteViewSize = [self remoteVideoViewSize]; + NSDictionary* metrics = @{ + @"remoteViewWidth" : @(remoteViewSize.width), + @"remoteViewHeight" : @(remoteViewSize.height), + @"kBottomViewHeight" : @(kBottomViewHeight), + @"localViewHeight" : @(remoteViewSize.height / 3), + @"localViewWidth" : @(remoteViewSize.width / 3), + @"kRoomFieldWidth" : @(kRoomFieldWidth), + @"kActionItemHeight" : @(kActionItemHeight) + }; + // Declare this separately to avoid compiler warning about splitting string + // within an NSArray expression. + NSString* verticalConstraintLeft = + @"V:|-[_remoteVideoView(remoteViewHeight)]-[_scrollView(kBottomViewHeight)]-|"; + NSString* verticalConstraintRight = + @"V:|-[_remoteVideoView(remoteViewHeight)]-[_actionItemsView(kBottomViewHeight)]-|"; + NSArray* constraintFormats = @[ + verticalConstraintLeft, + verticalConstraintRight, + @"H:|-[_remoteVideoView(remoteViewWidth)]-|", + @"V:|-[_localVideoView(localViewHeight)]", + @"H:|-[_localVideoView(localViewWidth)]", + @"H:|-[_scrollView(==_actionItemsView)]-[_actionItemsView]-|" + ]; + + NSArray* actionItemsConstraints = @[ + @"H:|-[_roomField(kRoomFieldWidth)]-[_loopbackButton(kRoomFieldWidth)]", + @"H:|-[_connectButton(kRoomFieldWidth)]", + @"V:|-[_roomField(kActionItemHeight)]-[_connectButton(kActionItemHeight)]", + @"V:|-[_loopbackButton(kActionItemHeight)]", + ]; + + [APPRTCMainView addConstraints:constraintFormats + toView:self + viewsDictionary:viewsDictionary + metrics:metrics]; + [APPRTCMainView addConstraints:actionItemsConstraints + toView:_actionItemsView + viewsDictionary:viewsDictionary + metrics:metrics]; + [super updateConstraints]; +} + +#pragma mark - Constraints helper + ++ (void)addConstraints:(NSArray*)constraints toView:(NSView*)view + viewsDictionary:(NSDictionary*)viewsDictionary + metrics:(NSDictionary*)metrics { + for (NSString* constraintFormat in constraints) { + NSArray* constraints = + [NSLayoutConstraint constraintsWithVisualFormat:constraintFormat + options:0 + metrics:metrics + views:viewsDictionary]; + for (NSLayoutConstraint* constraint in constraints) { + [view addConstraint:constraint]; + } + } +} + +#pragma mark - Control actions + +- (void)startCall:(id)sender { + NSString* roomString = _roomField.stringValue; + // Generate room id for loopback options. + if (_loopbackButton.intValue && [roomString isEqualToString:@""]) { + roomString = [NSUUID UUID].UUIDString; + roomString = [roomString stringByReplacingOccurrencesOfString:@"-" withString:@""]; + } + [self.delegate appRTCMainView:self + didEnterRoomId:roomString + loopback:_loopbackButton.intValue]; + [self setNeedsUpdateConstraints:YES]; +} + +#pragma mark - RTCVideoViewDelegate + +- (void)videoView:(id)videoView didChangeVideoSize:(CGSize)size { + if (videoView == _remoteVideoView) { + _remoteVideoSize = size; + } else if (videoView == _localVideoView) { + _localVideoSize = size; + } else { + return; + } + + [self setNeedsUpdateConstraints:YES]; +} + +#pragma mark - Private + +- (void)setupViews { + NSParameterAssert([[self subviews] count] == 0); + + _logView = [[NSTextView alloc] initWithFrame:NSZeroRect]; + [_logView setMinSize:NSMakeSize(0, kBottomViewHeight)]; + [_logView setMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)]; + [_logView setVerticallyResizable:YES]; + [_logView setAutoresizingMask:NSViewWidthSizable]; + NSTextContainer* textContainer = [_logView textContainer]; + NSSize containerSize = NSMakeSize(kContentWidth, FLT_MAX); + [textContainer setContainerSize:containerSize]; + [textContainer setWidthTracksTextView:YES]; + [_logView setEditable:NO]; + + [self setupActionItemsView]; + + _scrollView = [[NSScrollView alloc] initWithFrame:NSZeroRect]; + [_scrollView setTranslatesAutoresizingMaskIntoConstraints:NO]; + [_scrollView setHasVerticalScroller:YES]; + [_scrollView setDocumentView:_logView]; + [self addSubview:_scrollView]; + + _remoteVideoView = [[RTC_OBJC_TYPE(RTCMTLNSVideoView) alloc] initWithFrame:NSZeroRect]; + _localVideoView = [[RTC_OBJC_TYPE(RTCMTLNSVideoView) alloc] initWithFrame:NSZeroRect]; + + [_remoteVideoView setTranslatesAutoresizingMaskIntoConstraints:NO]; + [self addSubview:_remoteVideoView]; + [_localVideoView setTranslatesAutoresizingMaskIntoConstraints:NO]; + [self addSubview:_localVideoView]; +} + +- (void)setupActionItemsView { + _actionItemsView = [[NSView alloc] initWithFrame:NSZeroRect]; + [_actionItemsView setTranslatesAutoresizingMaskIntoConstraints:NO]; + [self addSubview:_actionItemsView]; + + _roomField = [[NSTextField alloc] initWithFrame:NSZeroRect]; + [_roomField setTranslatesAutoresizingMaskIntoConstraints:NO]; + [[_roomField cell] setPlaceholderString: @"Enter AppRTC room id"]; + [_actionItemsView addSubview:_roomField]; + [_roomField setEditable:YES]; + + _connectButton = [[NSButton alloc] initWithFrame:NSZeroRect]; + [_connectButton setTranslatesAutoresizingMaskIntoConstraints:NO]; + _connectButton.title = @"Start call"; + _connectButton.bezelStyle = NSBezelStyleSmallSquare; + _connectButton.target = self; + _connectButton.action = @selector(startCall:); + [_actionItemsView addSubview:_connectButton]; + + _loopbackButton = [[NSButton alloc] initWithFrame:NSZeroRect]; + [_loopbackButton setTranslatesAutoresizingMaskIntoConstraints:NO]; + _loopbackButton.title = @"Loopback"; + [_loopbackButton setButtonType:NSButtonTypeSwitch]; + [_actionItemsView addSubview:_loopbackButton]; +} + +- (NSSize)remoteVideoViewSize { + if (!_remoteVideoView.bounds.size.width) { + return NSMakeSize(kContentWidth, 0); + } + NSInteger width = MAX(_remoteVideoView.bounds.size.width, kContentWidth); + NSInteger height = (width/16) * 9; + return NSMakeSize(width, height); +} + +@end + +@interface APPRTCViewController () + +@property(nonatomic, readonly) APPRTCMainView* mainView; +@end + +@implementation APPRTCViewController { + ARDAppClient* _client; + RTC_OBJC_TYPE(RTCVideoTrack) * _localVideoTrack; + RTC_OBJC_TYPE(RTCVideoTrack) * _remoteVideoTrack; + ARDCaptureController* _captureController; +} + +- (void)dealloc { + [self disconnect]; +} + +- (void)viewDidAppear { + [super viewDidAppear]; + [self displayUsageInstructions]; +} + +- (void)loadView { + APPRTCMainView* view = [[APPRTCMainView alloc] initWithFrame:NSZeroRect]; + [view setTranslatesAutoresizingMaskIntoConstraints:NO]; + view.delegate = self; + self.view = view; +} + +- (void)windowWillClose:(NSNotification*)notification { + [self disconnect]; +} + +#pragma mark - Usage + +- (void)displayUsageInstructions { + [self.mainView displayLogMessage: + @"To start call:\n" + @"• Enter AppRTC room id (not neccessary for loopback)\n" + @"• Start call"]; +} + +#pragma mark - ARDAppClientDelegate + +- (void)appClient:(ARDAppClient *)client + didChangeState:(ARDAppClientState)state { + switch (state) { + case kARDAppClientStateConnected: + [self.mainView displayLogMessage:@"Client connected."]; + break; + case kARDAppClientStateConnecting: + [self.mainView displayLogMessage:@"Client connecting."]; + break; + case kARDAppClientStateDisconnected: + [self.mainView displayLogMessage:@"Client disconnected."]; + [self resetUI]; + _client = nil; + break; + } +} + +- (void)appClient:(ARDAppClient *)client + didChangeConnectionState:(RTCIceConnectionState)state { +} + +- (void)appClient:(ARDAppClient*)client + didCreateLocalCapturer:(RTC_OBJC_TYPE(RTCCameraVideoCapturer) *)localCapturer { + _captureController = + [[ARDCaptureController alloc] initWithCapturer:localCapturer + settings:[[ARDSettingsModel alloc] init]]; + [_captureController startCapture]; +} + +- (void)appClient:(ARDAppClient*)client + didReceiveLocalVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)localVideoTrack { + _localVideoTrack = localVideoTrack; + [_localVideoTrack addRenderer:self.mainView.localVideoView]; +} + +- (void)appClient:(ARDAppClient*)client + didReceiveRemoteVideoTrack:(RTC_OBJC_TYPE(RTCVideoTrack) *)remoteVideoTrack { + _remoteVideoTrack = remoteVideoTrack; + [_remoteVideoTrack addRenderer:self.mainView.remoteVideoView]; +} + +- (void)appClient:(ARDAppClient *)client + didError:(NSError *)error { + [self showAlertWithMessage:[NSString stringWithFormat:@"%@", error]]; + [self disconnect]; +} + +- (void)appClient:(ARDAppClient *)client + didGetStats:(NSArray *)stats { +} + +#pragma mark - APPRTCMainViewDelegate + +- (void)appRTCMainView:(APPRTCMainView*)mainView + didEnterRoomId:(NSString*)roomId + loopback:(BOOL)isLoopback { + + if ([roomId isEqualToString:@""]) { + [self.mainView displayLogMessage:@"Missing room id"]; + return; + } + + [self disconnect]; + ARDAppClient* client = [[ARDAppClient alloc] initWithDelegate:self]; + [client connectToRoomWithId:roomId + settings:[[ARDSettingsModel alloc] init] // Use default settings. + isLoopback:isLoopback]; + _client = client; +} + +#pragma mark - Private + +- (APPRTCMainView*)mainView { + return (APPRTCMainView*)self.view; +} + +- (void)showAlertWithMessage:(NSString*)message { + dispatch_async(dispatch_get_main_queue(), ^{ + NSAlert* alert = [[NSAlert alloc] init]; + [alert setMessageText:message]; + [alert runModal]; + }); +} + +- (void)resetUI { + [_remoteVideoTrack removeRenderer:self.mainView.remoteVideoView]; + [_localVideoTrack removeRenderer:self.mainView.localVideoView]; + _remoteVideoTrack = nil; + _localVideoTrack = nil; + [self.mainView.remoteVideoView renderFrame:nil]; + [self.mainView.localVideoView renderFrame:nil]; +} + +- (void)disconnect { + [self resetUI]; + [_captureController stopCapture]; + _captureController = nil; + [_client disconnect]; +} + +@end -- cgit v1.2.3