1.导入LFLiveKit框架
2.自定义视频直播界面
//服务器直播流地址 #define Live_Dahuan @"rtmp://live.hkstv.hk.lxdns.com:1935/live/dahuan
#import <UIKit/UIKit.h>
@interface LFLivePreview : UIView
@property (nonatomic, strong) UIViewController * vc;
- (void)startLive;
- (void)stopLive;
@end
#import "LFLivePreview.h"
//#import "UIControl+YYAdd.h"
//#import "UIView+YYAdd.h"
#import <LFLiveKit/LFLiveKit.h>
@interface LFLivePreview ()<LFLiveSessionDelegate>
@property (nonatomic, strong) UIButton *beautyButton;
@property (nonatomic, strong) UIButton *cameraButton;
@property (nonatomic, strong) UIButton *closeButton;
@property (nonatomic, strong) UIView *containerView;
@property (nonatomic, strong) LFLiveDebug *debugInfo;
@property (nonatomic, strong) LFLiveSession *session;
@property (nonatomic, strong) UILabel *stateLabel;
@end
@implementation LFLivePreview
- (instancetype)initWithFrame:(CGRect)frame {
if (self = [super initWithFrame:frame]) {
self.backgroundColor = [UIColor clearColor];
//申请视频，音频权限
[self requestAccessForVideo];
[self requestAccessForAudio];
[self addSubview:self.containerView];
[self.containerView addSubview:self.stateLabel];
[self.containerView addSubview:self.closeButton];
[self.containerView addSubview:self.cameraButton];
[self.containerView addSubview:self.beautyButton];
}
return self;
}
#pragma mark -- Public Method
/**请求视频授权*/
- (void)requestAccessForVideo {
__weak typeof(self) _self = self;
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
switch (status) {
case AVAuthorizationStatusNotDetermined: {
// 许可对话没有出现，发起授权许可
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
if (granted) {
dispatch_async(dispatch_get_main_queue(), ^{
[_self.session setRunning:YES];
});
}
}];
break;
}
case AVAuthorizationStatusAuthorized: {
// 已经开启授权，可继续
dispatch_async(dispatch_get_main_queue(), ^{
[_self.session setRunning:YES];
});
break;
}
case AVAuthorizationStatusDenied:
case AVAuthorizationStatusRestricted:
// 用户明确地拒绝授权，或者相机设备无法访问
break;
default:
break;
}
}
/**请求音频授权*/
- (void)requestAccessForAudio {
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
switch (status) {
case AVAuthorizationStatusNotDetermined: {
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
}];
break;
}
case AVAuthorizationStatusAuthorized: {
break;
}
case AVAuthorizationStatusDenied:
case AVAuthorizationStatusRestricted:
break;
default:
break;
}
}
#pragma mark -- Getter Setter
//初始化直播会话状态
- (LFLiveSession *)session {
if (!_session) {
/** 发现大家有不会用横屏的请注意啦，横屏需要在ViewController supportedInterfaceOrientations修改方向 默认竖屏 ****/
/** 发现大家有不会用横屏的请注意啦，横屏需要在ViewController supportedInterfaceOrientations修改方向 默认竖屏 ****/
/** 发现大家有不会用横屏的请注意啦，横屏需要在ViewController supportedInterfaceOrientations修改方向 默认竖屏 ****/
/*** 默认分辨率368 ＊ 640 音频：44.1 iphone6以上48 双声道 方向竖屏 ***/
LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration defaultConfiguration];
/*
videoConfiguration.videoSize = CGSizeMake(640, 360);
videoConfiguration.videoBitRate = 800*1024;//视频比特率
videoConfiguration.videoMaxBitRate = 1000*1024;
videoConfiguration.videoMinBitRate = 500*1024;
videoConfiguration.videoFrameRate = 24;//视频帧速率
videoConfiguration.videoMaxKeyframeInterval = 48;//视频最大关键帧间隔
videoConfiguration.outputImageOrientation = UIInterfaceOrientationPortrait;//视频输出方向
videoConfiguration.autorotate = NO;
videoConfiguration.sessionPreset = LFCaptureSessionPreset720x1280;//设置采集分辨率，
*/
//音视频初始化
_session = [[LFLiveSession alloc] initWithAudioConfiguration:[LFLiveAudioConfiguration defaultConfiguration] videoConfiguration:videoConfiguration liveType:LFLiveRTMP];
//最新写法，待cocoapods更新在使用
// _session = [[LFLiveSession alloc] initWithAudioConfiguration:[LFLiveAudioConfiguration defaultConfiguration] videoConfiguration:videoConfiguration captureType:LFLiveCaptureDefaultMask];
/** 自己定制单声道 */
/*
LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
audioConfiguration.numberOfChannels = 1;
audioConfiguration.audioBitrate = LFLiveAudioBitRate_64Kbps;
audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;//音频采样率
_session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:[LFLiveVideoConfiguration defaultConfiguration]];
*/
/** 自己定制高质量音频96K */
/*
LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
audioConfiguration.numberOfChannels = 2;
audioConfiguration.audioBitrate = LFLiveAudioBitRate_96Kbps;
audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;
_session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:[LFLiveVideoConfiguration defaultConfiguration]];
*/
/** 自己定制高质量音频96K 分辨率设置为540*960 方向竖屏 */
/*
LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
audioConfiguration.numberOfChannels = 2;
audioConfiguration.audioBitrate = LFLiveAudioBitRate_96Kbps;
audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;
LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
videoConfiguration.videoSize = CGSizeMake(540, 960);
videoConfiguration.videoBitRate = 800*1024;
videoConfiguration.videoMaxBitRate = 1000*1024;
videoConfiguration.videoMinBitRate = 500*1024;
videoConfiguration.videoFrameRate = 24;
videoConfiguration.videoMaxKeyframeInterval = 48;
videoConfiguration.orientation = UIInterfaceOrientationPortrait;
videoConfiguration.sessionPreset = LFCaptureSessionPreset540x960;
_session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
*/
/** 自己定制高质量音频128K 分辨率设置为720*1280 方向竖屏 */
/*
LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
audioConfiguration.numberOfChannels = 2;
audioConfiguration.audioBitrate = LFLiveAudioBitRate_128Kbps;
audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;
LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
videoConfiguration.videoSize = CGSizeMake(720, 1280);
videoConfiguration.videoBitRate = 800*1024;
videoConfiguration.videoMaxBitRate = 1000*1024;
videoConfiguration.videoMinBitRate = 500*1024;
videoConfiguration.videoFrameRate = 15;
videoConfiguration.videoMaxKeyframeInterval = 30;
videoConfiguration.landscape = NO;
videoConfiguration.sessionPreset = LFCaptureSessionPreset360x640;
_session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
*/
/** 自己定制高质量音频128K 分辨率设置为720*1280 方向横屏 */
/*
LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
audioConfiguration.numberOfChannels = 2;
audioConfiguration.audioBitrate = LFLiveAudioBitRate_128Kbps;
audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;
LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
videoConfiguration.videoSize = CGSizeMake(1280, 720);
videoConfiguration.videoBitRate = 800*1024;
videoConfiguration.videoMaxBitRate = 1000*1024;
videoConfiguration.videoMinBitRate = 500*1024;
videoConfiguration.videoFrameRate = 15;
videoConfiguration.videoMaxKeyframeInterval = 30;
videoConfiguration.landscape = YES;
videoConfiguration.sessionPreset = LFCaptureSessionPreset720x1280;
_session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
*/
//音视频采集
_session.showDebugInfo = NO;
_session.delegate = self;//LFLiveSessionDelegate代理
_session.preView = self;//采集视频将要呈现到的view
// UIImageView *imageView = [[UIImageView alloc] init];
// imageView.alpha = 0.8;
// imageView.frame = CGRectMake(100, 100, 29, 29);
// imageView.image = [UIImage imageNamed:@"ios-29x29"];
// _session.warterMarkView = imageView;
}
return _session;
}
/**容器视图*/
- (UIView *)containerView {
if (!_containerView) {
_containerView = [UIView new];
_containerView.frame = self.bounds;
_containerView.backgroundColor = [UIColor clearColor];
_containerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
}
return _containerView;
}
/**连接状态*/
- (UILabel *)stateLabel {
if (!_stateLabel) {
_stateLabel = [[UILabel alloc] initWithFrame:CGRectMake(20, 20, 80, 40)];
_stateLabel.text = @"未连接";
_stateLabel.textColor = [UIColor whiteColor];
_stateLabel.font = [UIFont boldSystemFontOfSize:14.f];
}
return _stateLabel;
}
/**关闭按钮*/
- (UIButton *)closeButton {
if (!_closeButton) {
_closeButton = [UIButton new];
_closeButton.size = CGSizeMake(44, 44);
_closeButton.left = self.width - 10 - _closeButton.width;
_closeButton.top = 20;
[_closeButton setImage:[UIImage imageNamed:@"close_preview"] forState:UIControlStateNormal];
_closeButton.exclusiveTouch = YES;//独家触摸
@weakify(self);
[_closeButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
@strongify(self);
[self stopLive];
[self.vc dismissViewControllerAnimated:YES completion:nil];
}];
}
return _closeButton;
}
/**切换前后摄像头*/
- (UIButton *)cameraButton {
if (!_cameraButton) {
_cameraButton = [UIButton new];
_cameraButton.size = CGSizeMake(44, 44);
_cameraButton.origin = CGPointMake(_closeButton.left - 10 - _cameraButton.width, 20);
[_cameraButton setImage:[UIImage imageNamed:@"camra_preview"] forState:UIControlStateNormal];
_cameraButton.exclusiveTouch = YES;
__weak typeof(self) _self = self;
[_cameraButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
//切换前后摄像头的方法
AVCaptureDevicePosition devicePositon = _self.session.captureDevicePosition;
_self.session.captureDevicePosition = (devicePositon == AVCaptureDevicePositionBack) ? AVCaptureDevicePositionFront : AVCaptureDevicePositionBack;
}];
}
return _cameraButton;
}
/**是否美颜*/
- (UIButton *)beautyButton {
if (!_beautyButton) {
_beautyButton = [UIButton new];
_beautyButton.size = CGSizeMake(44, 44);
_beautyButton.origin = CGPointMake(_cameraButton.left - 10 - _beautyButton.width, 20);
[_beautyButton setImage:[UIImage imageNamed:@"camra_beauty"] forState:UIControlStateNormal];
[_beautyButton setImage:[UIImage imageNamed:@"camra_beauty_close"] forState:UIControlStateSelected];
_beautyButton.exclusiveTouch = YES;
__weak typeof(self) _self = self;
[_beautyButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
//切换美颜效果GPUImage
_self.session.beautyFace = !_self.session.beautyFace;
_self.beautyButton.selected = !_self.session.beautyFace;
}];
}
return _beautyButton;
}
/**开启直播*/
- (void)startLive {
//开启直播
LFLiveStreamInfo *stream = [LFLiveStreamInfo new];
stream.url = Live_Dahuan;
//推送直播流
[self.session startLive:stream];
}
/**结束直播*/
- (void)stopLive {
//结束直播
[self.session stopLive];
}
#pragma mark -- LFStreamingSessionDelegate
/** 直播状态的回调 */
- (void)liveSession:(nullable LFLiveSession *)session liveStateDidChange:(LFLiveState)state {
NSLog(@"liveStateDidChange: %ld", state);
switch (state) {
case LFLiveReady:
_stateLabel.text = @"未连接";
break;
case LFLivePending:
_stateLabel.text = @"连接中";
break;
case LFLiveStart:
_stateLabel.text = @"已连接";
break;
case LFLiveError:
_stateLabel.text = @"连接错误";
break;
case LFLiveStop:
_stateLabel.text = @"未连接";
break;
default:
break;
}
}
/** 链接失败的回调 */
- (void)liveSession:(nullable LFLiveSession *)session errorCode:(LFLiveSocketErrorCode)errorCode {
NSLog(@"errorCode: %ld", errorCode);
}
@end
3.自定义直播视图的使用
#import "LFLivePreview.h"
/**开始直播*/
- (IBAction)startLive:(id)sender {
LFLivePreview * preView = [[LFLivePreview alloc] initWithFrame:self.view.bounds];
preView.vc = self;
[self.view addSubview:preView];
//开启直播
[preView startLive];
}
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