直播彩排

@property (strong, nonatomic) VHallLivePublish *engine;
// 初始化
self.engine = [[VHallLivePublish alloc] init];
self.engine.liveView.frame   = _perView.bounds;
// 设置为彩排直播
self.engine.isRehearsal = YES;
// 开始直播
NSMutableDictionary * publishParam = [[NSMutableDictionary alloc]init];
publishParam[@"id"] = xxxxxx;
[self.engine startLive:publishParam];

/** 互动SDK */
@property (nonatomic, strong) VHRoom *inavRoom;
// 初始化
self.inavRoom = [[VHRoom alloc] init];
//设置代理
self.inavRoom.delegate = self;
// 设置为彩排互动
self.inavRoom.isRehearsal = YES;
// 开始直播
[self.inavRoom hostEnterRoomStartWithParams:self.params success:^(VHRoomInfo *roomInfo) {} fail:^(NSError *error) {}];

#pragma mark - VHRoomDelegate
// 房间连接成功回调
- (void)room:(VHRoom *)room didConnect:(NSDictionary *)roomMetadata {
        //开始推流
        [self.inavRoom publishWithCameraView:self.localRenderView];
}
#pragma mark - 懒加载
- (VHLocalRenderView *)localRenderView
{
    if (!_localRenderView) {
        _localRenderView = [[VHLocalRenderView alloc] initCameraViewWithFrame:self.view.bounds];
    }
    return _localRenderView;
}

- (void)didToStartRehearsal;

- (void)didToStopRehearsal;