179 lines
6.3 KiB
Text
179 lines
6.3 KiB
Text
/*
|
|
* Copyright 2018 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 "NADViewController.h"
|
|
|
|
#import "sdk/objc/base/RTCVideoRenderer.h"
|
|
#import "sdk/objc/components/capturer/RTCCameraVideoCapturer.h"
|
|
#import "sdk/objc/components/renderer/metal/RTCMTLVideoView.h"
|
|
#import "sdk/objc/helpers/RTCCameraPreviewView.h"
|
|
|
|
#include <memory>
|
|
|
|
#include "examples/objcnativeapi/objc/objc_call_client.h"
|
|
|
|
@interface NADViewController ()
|
|
|
|
@property(nonatomic) RTC_OBJC_TYPE(RTCCameraVideoCapturer) * capturer;
|
|
@property(nonatomic) RTC_OBJC_TYPE(RTCCameraPreviewView) * localVideoView;
|
|
@property(nonatomic)
|
|
__kindof UIView<RTC_OBJC_TYPE(RTCVideoRenderer)> *remoteVideoView;
|
|
@property(nonatomic) UIButton *callButton;
|
|
@property(nonatomic) UIButton *hangUpButton;
|
|
|
|
@end
|
|
|
|
@implementation NADViewController {
|
|
std::unique_ptr<webrtc_examples::ObjCCallClient> _call_client;
|
|
|
|
UIView *_view;
|
|
}
|
|
|
|
@synthesize capturer = _capturer;
|
|
@synthesize localVideoView = _localVideoView;
|
|
@synthesize remoteVideoView = _remoteVideoView;
|
|
@synthesize callButton = _callButton;
|
|
@synthesize hangUpButton = _hangUpButton;
|
|
|
|
#pragma mark - View controller lifecycle
|
|
|
|
- (void)loadView {
|
|
_view = [[UIView alloc] initWithFrame:CGRectZero];
|
|
|
|
_remoteVideoView =
|
|
[[RTC_OBJC_TYPE(RTCMTLVideoView) alloc] initWithFrame:CGRectZero];
|
|
_remoteVideoView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
[_view addSubview:_remoteVideoView];
|
|
|
|
_localVideoView =
|
|
[[RTC_OBJC_TYPE(RTCCameraPreviewView) alloc] initWithFrame:CGRectZero];
|
|
_localVideoView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
[_view addSubview:_localVideoView];
|
|
|
|
_callButton = [UIButton buttonWithType:UIButtonTypeSystem];
|
|
_callButton.translatesAutoresizingMaskIntoConstraints = NO;
|
|
[_callButton setTitle:@"Call" forState:UIControlStateNormal];
|
|
[_callButton addTarget:self
|
|
action:@selector(call:)
|
|
forControlEvents:UIControlEventTouchUpInside];
|
|
[_view addSubview:_callButton];
|
|
|
|
_hangUpButton = [UIButton buttonWithType:UIButtonTypeSystem];
|
|
_hangUpButton.translatesAutoresizingMaskIntoConstraints = NO;
|
|
[_hangUpButton setTitle:@"Hang up" forState:UIControlStateNormal];
|
|
[_hangUpButton addTarget:self
|
|
action:@selector(hangUp:)
|
|
forControlEvents:UIControlEventTouchUpInside];
|
|
[_view addSubview:_hangUpButton];
|
|
|
|
UILayoutGuide *margin = _view.layoutMarginsGuide;
|
|
[_remoteVideoView.leadingAnchor constraintEqualToAnchor:margin.leadingAnchor]
|
|
.active = YES;
|
|
[_remoteVideoView.topAnchor constraintEqualToAnchor:margin.topAnchor].active =
|
|
YES;
|
|
[_remoteVideoView.trailingAnchor
|
|
constraintEqualToAnchor:margin.trailingAnchor]
|
|
.active = YES;
|
|
[_remoteVideoView.bottomAnchor constraintEqualToAnchor:margin.bottomAnchor]
|
|
.active = YES;
|
|
|
|
[_localVideoView.leadingAnchor constraintEqualToAnchor:margin.leadingAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_localVideoView.topAnchor constraintEqualToAnchor:margin.topAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_localVideoView.widthAnchor constraintEqualToConstant:60].active = YES;
|
|
[_localVideoView.heightAnchor constraintEqualToConstant:60].active = YES;
|
|
|
|
[_callButton.leadingAnchor constraintEqualToAnchor:margin.leadingAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_callButton.bottomAnchor constraintEqualToAnchor:margin.bottomAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_callButton.widthAnchor constraintEqualToConstant:100].active = YES;
|
|
[_callButton.heightAnchor constraintEqualToConstant:40].active = YES;
|
|
|
|
[_hangUpButton.trailingAnchor constraintEqualToAnchor:margin.trailingAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_hangUpButton.bottomAnchor constraintEqualToAnchor:margin.bottomAnchor
|
|
constant:8.0]
|
|
.active = YES;
|
|
[_hangUpButton.widthAnchor constraintEqualToConstant:100].active = YES;
|
|
[_hangUpButton.heightAnchor constraintEqualToConstant:40].active = YES;
|
|
|
|
self.view = _view;
|
|
}
|
|
|
|
- (void)viewDidLoad {
|
|
[super viewDidLoad];
|
|
|
|
self.capturer = [[RTC_OBJC_TYPE(RTCCameraVideoCapturer) alloc] init];
|
|
self.localVideoView.captureSession = self.capturer.captureSession;
|
|
|
|
_call_client.reset(new webrtc_examples::ObjCCallClient());
|
|
|
|
// Start capturer.
|
|
AVCaptureDevice *selectedDevice = nil;
|
|
NSArray<AVCaptureDevice *> *captureDevices =
|
|
[RTC_OBJC_TYPE(RTCCameraVideoCapturer) captureDevices];
|
|
for (AVCaptureDevice *device in captureDevices) {
|
|
if (device.position == AVCaptureDevicePositionFront) {
|
|
selectedDevice = device;
|
|
break;
|
|
}
|
|
}
|
|
|
|
AVCaptureDeviceFormat *selectedFormat = nil;
|
|
int targetWidth = 640;
|
|
int targetHeight = 480;
|
|
int currentDiff = INT_MAX;
|
|
NSArray<AVCaptureDeviceFormat *> *formats =
|
|
[RTC_OBJC_TYPE(RTCCameraVideoCapturer)
|
|
supportedFormatsForDevice:selectedDevice];
|
|
for (AVCaptureDeviceFormat *format in formats) {
|
|
CMVideoDimensions dimension =
|
|
CMVideoFormatDescriptionGetDimensions(format.formatDescription);
|
|
FourCharCode pixelFormat =
|
|
CMFormatDescriptionGetMediaSubType(format.formatDescription);
|
|
int diff = abs(targetWidth - dimension.width) +
|
|
abs(targetHeight - dimension.height);
|
|
if (diff < currentDiff) {
|
|
selectedFormat = format;
|
|
currentDiff = diff;
|
|
} else if (diff == currentDiff &&
|
|
pixelFormat == [_capturer preferredOutputPixelFormat]) {
|
|
selectedFormat = format;
|
|
}
|
|
}
|
|
|
|
[self.capturer startCaptureWithDevice:selectedDevice
|
|
format:selectedFormat
|
|
fps:30];
|
|
}
|
|
|
|
- (void)didReceiveMemoryWarning {
|
|
[super didReceiveMemoryWarning];
|
|
// Dispose of any resources that can be recreated.
|
|
}
|
|
|
|
#pragma mark - Actions
|
|
|
|
- (IBAction)call:(id)sender {
|
|
_call_client->Call(self.capturer, self.remoteVideoView);
|
|
}
|
|
|
|
- (IBAction)hangUp:(id)sender {
|
|
_call_client->Hangup();
|
|
}
|
|
|
|
@end
|