摄像头推流

// 指定对应的直播协议为 RTMP，该协议不支持连麦
V2TXLivePusher *pusher = [[V2TXLivePusher alloc] initWithLiveMode:V2TXLiveMode_RTMP];
// 指定对应的直播协议为 RTC，该协议支持连麦。如果在直播过程中有连麦需求，需要选择该协议
V2TXLivePusher *pusher = [[V2TXLivePusher alloc] initWithLiveMode:V2TXLiveMode_RTC];

 //创建一个 view 对象，并将其嵌入到当前界面中
 UIView *_localView = [[UIView alloc] initWithFrame:self.view.bounds];
 [self.view insertSubview:_localView atIndex:0];
 _localView.center = self.view.center;

 //启动本地摄像头预览
 [_pusher setRenderView:_localView];
 [_pusher startCamera:YES];
 [_pusher startMicrophone];

// 根据推流协议传入对应的 URL 即可启动推流， RTMP 协议以 rtmp:// 开头，该协议不支持连麦
NSString* url = @"rtmp://test.com/live/streamid?txSecret=xxxxx&txTime=xxxxxxxx";    //不支持连麦，直接推流到直播 CDN
// 根据推流协议传入对应的 URL 即可启动推流， RTC 协议以 trtc:// 开头，该协议支持连麦
NSString* url = @"trtc://cloud.tencent.com/push/streamid?sdkappid=1400188888&userId=A&usersig=xxxxx";  //支持连麦
[_pusher startPush:url];

// 结束推流
[_pusher stopPush];

[_pusher startMicrophone];
// 根据推流协议传入对应的 URL 即可启动推流， RTMP 协议以 rtmp:// 开头，该协议不支持连麦
NSString* url = @"rtmp://test.com/live/streamid?txSecret=xxxxx&txTime=xxxxxxxx";    //不支持连麦，直接推流到直播 CDN
// 根据推流协议传入对应的 URL 即可启动推流， RTC 协议以 trtc:// 开头，该协议支持连麦
NSString* url = @"trtc://cloud.tencent.com/push/streamid?sdkappid=1400188888&userId=A&usersig=xxxxx";  //支持连麦
[_pusher startPush:url];

NSString * path = [[NSBundle mainBundle] pathForResource:@"FilterResource" ofType:@"bundle"];
path = [path stringByAppendingPathComponent:lookupFileName];
UIImage *image = [UIImage imageWithContentsOfFile:path];
[[_pusher getBeautyManager] setFilter:image];
[[_pusher getBeautyManager] setFilterStrength:0.5f];

V2TXLiveVideoEncoderParam *videoEncoderParam = [[V2TXLiveVideoEncoderParam alloc] initWith:V2TXLiveVideoResolution960x540];
videoEncoderParam.videoResolutionMode = isLandscape ? V2TXLiveVideoResolutionModeLandscape : V2TXLiveVideoResolutionModePortrait;
[_pusher setVideoQuality:videoEncoderParam];

// 设置视频水印
[_pusher setWatermark:[UIImage imageNamed:@"watermark"] x:0.03 y:0.015 scale:1];

- (void)onWarning:(V2TXLiveCode)code
          message:(NSString *)msg
        extraInfo:(NSDictionary *)extraInfo {
    dispatch_async(dispatch_get_main_queue(), ^{
        if (code == V2TXLIVE_WARNING_NETWORK_BUSY) {
            [_notification displayNotificationWithMessage:
                @"您当前的网络环境不佳，请尽快更换网络保证正常直播" forDuration:5];
        }
    });
}

int payloadType = 5;
NSString* msg = @"test";
[_pusher sendSeiMessage:payloadType data:[msg dataUsingEncoding:NSUTF8StringEncoding]];