主要功能
推流：RTMP 推流
示例代码
//
// LaunchLiveViewController.h
//
//
// Created by vhall on 17/11/6.
// Copyright (c) 2017年 vhall. All rights reserved.
//
#import "PublishViewController.h"
#import <AVFoundation/AVFoundation.h>
#include "VHLivePublisher.h"
@interface PublishViewController ()<VHLivePublisherDelegate>
{
BOOL _isVideoStart;
BOOL _isAudioStart;
BOOL _torchType;
BOOL _onlyVideo;
BOOL _isFontVideo;
UIButton * _lastFilterSelectBtn;
dispatch_source_t _timer;
long _liveTime;
}
@property (strong, nonatomic)VHLivePublisher *publisher;
@property (weak, nonatomic) IBOutlet UIView *perView;
@property (weak, nonatomic) IBOutlet UIImageView *logView;
@property (weak, nonatomic) IBOutlet UILabel *bitRateLabel;
@property (weak, nonatomic) IBOutlet UIButton *videoStartAndStopBtn;
@property (weak, nonatomic) IBOutlet UIButton *torchBtn;
@property (weak, nonatomic) IBOutlet UIButton *filterBtn;
@property (weak, nonatomic) IBOutlet UIView *filterView;
@property (weak, nonatomic) IBOutlet UIButton *defaultFilterSelectBtn;
@property (weak, nonatomic) IBOutlet UIButton *closeBtn;
@property (weak, nonatomic) IBOutlet UIView *infoView;
@property (weak, nonatomic) IBOutlet UILabel *timeLabel;
@property (weak, nonatomic) IBOutlet UIButton *hideKeyBtn;
@end
@implementation PublishViewController
#pragma mark - Lifecycle
- (id)init
{
self = [super initWithNibName:NSStringFromClass([self class]) bundle:nil];
if (self) {
[self initDatas];
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
[self initViews];
//初始化CameraEngine
[self initCameraEngine];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)dealloc
{
if (_publisher) {
_publisher = nil;
}
//允许iOS设备锁屏
[[UIApplication sharedApplication] setIdleTimerDisabled:NO];
[[NSNotificationCenter defaultCenter]removeObserver:self];
// VHLog(@"%@ dealloc",[[self class]description]);
}
-(void)LaunchLiveWillResignActive
{
[_publisher pause];
}
-(void)LaunchLiveDidBecomeActive
{
[_publisher resume];
}
- (IBAction)closeBtnClick:(id)sender
{
if (_publisher.isPublishing)
{
[_publisher stopCapture];
}
[_publisher destoryObject];
self.publisher = nil;
[self dismissViewControllerAnimated:YES completion:^{
}];
[self.navigationController popViewControllerAnimated:NO];
}
-(UIInterfaceOrientationMask)supportedInterfaceOrientations
{
if (self.interfaceOrientation == UIInterfaceOrientationPortrait) {
return UIInterfaceOrientationMaskPortrait;
}else if (self.interfaceOrientation == UIInterfaceOrientationLandscapeRight) {
return UIInterfaceOrientationMaskLandscapeRight;
}else
{
return UIInterfaceOrientationMaskLandscapeLeft;
}
}
#pragma mark - Lifecycle(Private)
- (void)registerLiveNotification
{
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(LaunchLiveWillResignActive)name:UIApplicationWillResignActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(LaunchLiveDidBecomeActive)name:UIApplicationDidBecomeActiveNotification object:nil];
}
-(void)initDatas
{
_isVideoStart = NO;
_isAudioStart = NO;
_torchType = NO;
_onlyVideo = NO;
_isFontVideo = NO;
_videoResolution = VHHVideoResolution;
}
- (void)initViews
{
//阻止iOS设备锁屏
[[UIApplication sharedApplication] setIdleTimerDisabled:YES];
[self registerLiveNotification];
[self.perView addSubview:_closeBtn];
_filterBtn.hidden = YES;
}
- (void)viewDidLayoutSubviews
{
self.publisher.preView.frame = _perView.bounds;
}
#pragma mark - Camera
- (void)initCameraEngine
{
VHDeviceOrientation deviceOrientation;
if (self.interfaceOrientation == UIInterfaceOrientationPortrait)
{
deviceOrientation = VHDevicePortrait;
}else {
deviceOrientation = VHDeviceLandSpaceLeft;//设备左转，摄像头在左边
}
_torchBtn.hidden = YES;
_isFontVideo = YES;
VHPublishConfig* config = [VHPublishConfig configWithType:VHPublishConfigTypeDefault];
config.orientation = deviceOrientation;
config.captureDevicePosition = AVCaptureDevicePositionFront;
config.publishConnectTimes = 1;
config.videoBitRate = self.videoBitRate;
config.videoCaptureFPS = self.videoCaptureFPS;
config.isOpenNoiseSuppresion = DEMO_Setting.isOpenNoiseSuppresion;
config.volumeAmplificateSize = DEMO_Setting.volumeAmplificateSize;
config.videoResolution = _videoResolution;
self.publisher = [[VHLivePublisher alloc] initWithConfig:config];
self.publisher.delegate = self;
self.publisher.preView.frame = _perView.bounds;
[self.perView insertSubview:self.publisher.preView atIndex:0];
//开始视频采集、并显示预览界面
[self.publisher startCapture];
}
- (IBAction)swapBtnClick:(id)sender
{
UIButton *btn=(UIButton*)sender;
btn.enabled=NO;
_isFontVideo = !_isFontVideo;
BOOL success= [_publisher switchCamera:_isFontVideo ? AVCaptureDevicePositionFront : AVCaptureDevicePositionBack];
if(success)
{
_torchBtn.hidden = _isFontVideo;
//禁止快速切换摄像头
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
btn.enabled=YES;
});
}
}
- (IBAction)torchBtnClick:(UIButton*)sender
{
_torchType = !_torchType;
sender.selected = _torchType;
[_publisher torchMode:_torchType ? AVCaptureTorchModeOn : AVCaptureTorchModeOff];
}
- (IBAction)onlyVideoBtnClick:(UIButton*)sender
{
_onlyVideo = !_onlyVideo;
sender.selected = _onlyVideo;
_publisher.enableMute = _onlyVideo;
}
- (BOOL)emCheckMicrophoneAvailability{
__block BOOL ret = NO;
AVAudioSession *session = [AVAudioSession sharedInstance];
if ([session respondsToSelector:@selector(requestRecordPermission:)]) {
[session performSelector:@selector(requestRecordPermission:) withObject:^(BOOL granted) {
ret = granted;
}];
} else {
ret = YES;
}
return ret;
}
- (IBAction)startVideoPlayer
{
#if (TARGET_IPHONE_SIMULATOR)
[self showMsg:@"无法在模拟器上发起直播！" afterDelay:1.5];
return;
#endif
if (!_isVideoStart)
{
[self showProgressDialog:self.perView];
[_publisher startPublish:self.roomId accessToken:self.accessToken];
}else{
_isVideoStart=NO;
[self stopPublish];
}
_logView.hidden = YES;
//_isVideoStart = !_isVideoStart;
}
- (void)stopPublish
{
_bitRateLabel.text = @"";
[self hideProgressDialog:self.perView];
_videoStartAndStopBtn.selected = NO;
[_publisher stopPublish];//停止活动
_infoView.hidden = YES;
_closeBtn.hidden = NO;
}
#pragma mark - VHLivePublisherDelegate
-(void)firstCaptureImage:(UIImage *)image
{
NSLog(@"第一张图片");
}
- (void)onPublishStatus:(VHPublishStatus)status info:(NSDictionary*)info
{
// NSLog(@"状态：%ld %@",(long)status,info);
switch (status) {
case VHPublishStatusPushConnectSucceed:
{
[self hideProgressDialog:self.perView];
[self showTimeInfo];
_isVideoStart = YES;
_videoStartAndStopBtn.selected = YES;
_infoView.hidden = NO;
_closeBtn.hidden = YES;
}
break;
case VHPublishStatusUploadSpeed:
_bitRateLabel.text = [NSString stringWithFormat:@"%@ kb/s",info[@"content"]];
break;
case VHPublishStatusUploadNetworkException:
_bitRateLabel.textColor = [UIColor redColor];
break;
case VHPublishStatusUploadNetworkOK:
_bitRateLabel.textColor = [UIColor greenColor];
break;
default:
break;
}
}
- (void)onPublishError:(VHPublishError)error info:(NSDictionary*)info
{
// NSLog(@"错误：%ld %@",(long)error,info);
[self showMsg:[NSString stringWithFormat:@"%@ %@",info[@"code"],info[@"content"]] afterDelay:2];
[self stopPublish];
}
-(void)showTimeInfo{
if(_timer)
{
dispatch_source_cancel(_timer);
_timer = nil;
}
_liveTime = 0;
dispatch_queue_t queue = dispatch_queue_create("my queue", 0);
_timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
dispatch_source_set_timer(_timer, dispatch_time(DISPATCH_TIME_NOW, 0), 1 * NSEC_PER_SEC, 0);//间隔1秒
dispatch_source_set_event_handler(_timer, ^(){
_liveTime++;
NSString *strInfo = [NSString stringWithFormat:@"%02ld:%02ld:%02ld",_liveTime/3600,(_liveTime/60)%60,_liveTime%60];
dispatch_async(dispatch_get_main_queue(), ^{
if(_timeLabel)
{
_timeLabel.text = strInfo;
}
});
});
dispatch_resume(_timer);
}
- (IBAction)hideKey:(id)sender {
}
@end