YH_RootViewController.m 38.5 KB

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//
//  YH_RootViewController.m
//  YohoLive
//
//  Created by 盖剑秋 on 16/6/6.
//  Copyright © 2016年 YOHO!. All rights reserved.
//

#import "YH_RootViewController.h"
#import "TXLivePush.h"
#import <sys/types.h>
#import <sys/sysctl.h>
#import "TXRTMPAPI.h"
#import "PureLayout.h"
#import "YH_ChannelModel.h"
#import "YH_ChannelCell.h"
#import <AVFoundation/AVFoundation.h>
#import "AFHTTPSessionManager.h"
#import "YH_HTTPRequestSerializer.h"


// 清晰度定义
#define    HD_LEVEL_720P       1  // 1280 * 720
#define    HD_LEVEL_640        2  //  640 * 360
#define    HD_LEVEL_640_PLUS   3  //  640 * 360 且开启码率自适应

#define RTMP_PUBLISH_URL    @"rtmp://2718.livepush.myqcloud.com/live/2718_01973243308211e6a2cba4dcbef5e35a?bizid=2718"  //调试期间您可以修改之以避免输入地址的麻烦

@interface YH_RootViewController ()<TXLivePushListener, UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, strong) TXLivePush *livePush;

//buttons
@property (nonatomic, strong) UIButton *torchButton;
@property (nonatomic, strong) UIButton *cameraSwitchButton;
@property (nonatomic, strong) UIButton *fullScreenButton;
@property (nonatomic, strong) UIButton *channelButton;
@property (nonatomic, strong) UIButton *beautyButton;
@property (nonatomic, strong) UIButton *accellerateButton;
@property (nonatomic, strong) UIButton *logButton;
@property (nonatomic, strong) UIButton *hdButton;

@property (nonatomic, strong) UIView *channelPannel;
@property (nonatomic, strong) UIButton *liveButton;//开始直播、结束直播。

@property (nonatomic, strong) NSArray<YH_ChannelModel *> *channels;
@property (nonatomic, strong) YH_ChannelModel *currentChannel;
@property (nonatomic, strong) UITableView *channelTable;

@property (nonatomic, assign) NSInteger currentChannelIndex;

@property (nonatomic, strong) UIView *vBeauty;
@property (nonatomic, strong) UISlider *sdBeauty;
@property (nonatomic, strong) UISlider *sdWhitening;
@property (nonatomic, strong) UIView *vHD;
@property (nonatomic, strong) UIButton *radioBtnHD;
@property (nonatomic, strong) UIButton *radioBtnSD;
@property (nonatomic, strong) UIButton *radioBtnAUTO;

@property (nonatomic, strong) NSString *tipsMsg;
@property (nonatomic, strong) NSString *logMsg;
@property (nonatomic, strong) UITextView *statusView;
@property (nonatomic, strong) UITextView *logViewEvt;
@property (nonatomic, assign) unsigned long long startTime;
@property (nonatomic, assign) unsigned long long lastTime;
@property (nonatomic, strong) UIView *cover;
@property (nonatomic, assign) int beauty_level;
@property (nonatomic, assign) int whitening_level;

@property (nonatomic, strong) UIView *emojiPannel;
@property (nonatomic, strong) UIImageView *emojiImage;
@property (nonatomic, strong) UILabel *emojiCountLabel;

@property (nonatomic, strong) UIView *infoPannel;
@property (nonatomic, strong) UILabel *onlineCountLabel;
@property (nonatomic, strong) UILabel *timeLabel;

@property (nonatomic, assign) NSInteger minutes;
@property (nonatomic, assign) NSInteger seconds;
@property (nonatomic, strong) NSTimer *timer;

@property (nonatomic, assign) BOOL loading;

@end

@implementation YH_RootViewController

- (BOOL)prefersStatusBarHidden
{
    return YES;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    _currentChannelIndex = -1;
    self.view.backgroundColor = [UIColor orangeColor];
    [self initUI];
    [self loadChannelData];
    [self setUpPush];
}

- (void)setUpPush {
    _livePush = [TXLivePush new];
    [_livePush setLogLevel:LOGLEVEL_ERROR];
    TXLivePushConfig *config = [[TXLivePushConfig alloc] init];
    [_livePush setConfig:config];
    _livePush.delegate = self;
    [_livePush startPreview:self.view];
}

- (void)loadChannelData {

    //测试数据。
    YH_ChannelModel *model1 = [YH_ChannelModel new];
    model1.roomTitle = @"啦啦啦啦";
    model1.roomURL = @"rtmp://2718.livepush.myqcloud.com/live/2718_01973243308211e6a2cba4dcbef5e35a?bizid=2718";
    YH_ChannelModel *model2 = [YH_ChannelModel new];
    model2.roomTitle = @"噜噜噜噜";
    model2.roomURL = @"rtmp://2718.livepush.myqcloud.com/live/2718_01973243308211e6a2cba4dcbef5e35a?bizid=2718";
    YH_ChannelModel *model3 = [YH_ChannelModel new];
    model3.roomTitle = @"咯囖囖囖囖";
    model3.roomURL = @"rtmp://2718.livepush.myqcloud.com/live/2718_01973243308211e6a2cba4dcbef5e35a?bizid=2718";
    YH_ChannelModel *model4 = [YH_ChannelModel new];
    model4.roomTitle = @"哩哩哩哩哩";
    model4.roomURL = @"rtmp://2718.livepush.myqcloud.com/live/2718_01973243308211e6a2cba4dcbef5e35a?bizid=2718";
    _channels = @[model1,model2,model3,model4];
    [_channelTable reloadData];

//    if (_loading) {
//        return;
//    }
//    _loading = YES;
//    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//    manager.responseSerializer.acceptableContentTypes = [manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
//    [manager
//     GET:@"http://newboys.test.yoho.cn/yohoboyins/v4/qcloud/getPushFlow"
//     parameters:nil progress:NULL
//     success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
//         if ([responseObject isKindOfClass:[NSDictionary class]]) {
//             id data = responseObject[@"data"];
//             if (![data isKindOfClass:[NSArray class]]) {
//                 [self toastTip:@"data formmat error"];
//                 return;
//             }
//             NSMutableArray *tempAry = @[].mutableCopy;
//             [data enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
//                 if (![obj isKindOfClass:[NSDictionary class]]) {
//                     *stop = YES;
//                     [self toastTip:@"data formmat error"];
//                 }
//                 YH_ChannelModel *model = [YH_ChannelModel new];
//                 model.roomTitle = obj[@"name"];
//                 model.roomURL = obj[@"url"];
//                 model.channel_id = obj[@"channel_id"];
//                 model.cid = obj[@"cid"];
//                 model.app = obj[@"app"];
//                 model.type = obj[@"type"];
//                 [tempAry addObject:model];
//             }];
//             _channels = [NSArray arrayWithArray:tempAry];
//             [_channelTable reloadData];
//         }
//         NSLog(@"bbbb%@",responseObject);
//         _loading = NO;
//     }
//     failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
//         _loading = NO;
//         [self toastTip:[NSString stringWithFormat:@"房间加载失败:%@",error.localizedDescription]];
//     }];

}

#pragma mark - Publisher delegate methods...

- (void)clearLog {
    _tipsMsg = @"";
    _logMsg = @"";
    [_statusView setText:@""];
    [_logViewEvt setText:@""];
    _startTime = [[NSDate date] timeIntervalSince1970]*1000;
    _lastTime = _startTime;
}

- (void)updateInfoView {
    _seconds++;
    if (_seconds>=60) {
        _seconds = 0;
        _minutes ++;
    }

    NSString *secondStr = _seconds<10?[NSString stringWithFormat:@"0%ld",_seconds]:[NSString stringWithFormat:@"%ld",_seconds];
    NSString *minuteStr = _minutes<10?[NSString stringWithFormat:@"0%ld",_minutes]:[NSString stringWithFormat:@"%ld",_minutes];

    _timeLabel.text = [NSString stringWithFormat:@"%@:%@",minuteStr,secondStr];
}

-(BOOL)startRtmp{

    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
    manager.requestSerializer = [YH_HTTPRequestSerializer new];
    NSURLSessionDataTask *task = [manager
     GET:@"http://newboys.test.yoho.cn/yohoboyins/v4/qcloud/closeLive"
                                  parameters:@{@"cid":@"19145"}
     progress:^(NSProgress * _Nonnull downloadProgress) {
         NSLog(@"aaaa");
     }
     success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
         NSLog(@"bbbb%@",responseObject);
     }
     failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
         NSLog(@"ccc");
     }];

    NSLog(@"%@",task.originalRequest.URL.absoluteString);

    _minutes = 0;
    _seconds = 0;
    _timer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(updateInfoView) userInfo:nil repeats:YES];
    [_timer fire];

    [self clearLog];
    [UIApplication sharedApplication].idleTimerDisabled = YES;//stop lock screen.
    NSString* rtmpUrl = _currentChannel.roomURL;
    if (rtmpUrl.length == 0) {
        rtmpUrl = RTMP_PUBLISH_URL;
    }

    if (!([rtmpUrl hasPrefix:@"http:"] || [rtmpUrl hasPrefix:@"rtmp:"] )) {
        [self toastTip:@"房间地址不正确！"];
        return NO;
    }

    //是否有摄像头权限
    AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    if (status == AVAuthorizationStatusDenied) {
        [self toastTip:@"获取摄像头权限失败，请前往隐私-相机设置里面打开应用权限"];
        return NO;
    }

    NSArray* ver = [TXRtmpApi getSDKVersion];
    if ([ver count] >= 3) {
        _logMsg = [NSString stringWithFormat:@"rtmp sdk version: %@.%@.%@",ver[0],ver[1],ver[2]];
        [_logViewEvt setText:_logMsg];
    }

    if(_livePush != nil)
    {
        [_livePush startPush:rtmpUrl];
    }
    return YES;
}


- (void)stopRtmp {
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
    manager.requestSerializer = [YH_HTTPRequestSerializer new];

    NSURLSessionDataTask *task = [manager
     GET:@"http://newboys.test.yoho.cn/yohoboyins/v4/qcloud/closeLive"
     parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {
         NSLog(@"aaaa");
     }
     success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
         NSLog(@"bbbb%@",responseObject);
     }
     failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
         NSLog(@"ccc");
     }];
    NSLog(@"%@",task.originalRequest.URL.absoluteString);

    [UIApplication sharedApplication].idleTimerDisabled = NO;
    [_timer invalidate];
    if(_livePush)
    {
        [_livePush stopPush];
    }
}


-(void) appendLog:(NSString*) evt time:(NSDate*) date mills:(int)mil
{
    NSDateFormatter* format = [[NSDateFormatter alloc] init];
    format.dateFormat = @"hh:mm:ss";
    NSString* time = [format stringFromDate:date];
    NSString* log = [NSString stringWithFormat:@"[%@.%-3.3d] %@", time, mil, evt];
    if (_logMsg == nil) {
        _logMsg = @"";
    }
    _logMsg = [NSString stringWithFormat:@"%@\n%@", _logMsg, log];
    [_logViewEvt setText:_logMsg];
}

-(void) onPushEvent:(int)EvtID WithParam:(NSDictionary*)param;
{
    NSDictionary* dict = param;

    dispatch_async(dispatch_get_main_queue(), ^{
        if (EvtID == PUSH_ERR_NET_DISCONNECT) {
            [self liveButtonPressed:_liveButton];
        }
        long long time = [(NSNumber*)[dict valueForKey:EVT_TIME] longLongValue];
        int mil = time % 1000;
        NSDate* date = [NSDate dateWithTimeIntervalSince1970:time/1000];
        NSString* Msg = (NSString*)[dict valueForKey:EVT_MSG];
        [self appendLog:Msg time:date mills:mil];
    });
}

-(void) onNetStatus:(NSDictionary*) param
{
    NSDictionary* dict = param;

    dispatch_async(dispatch_get_main_queue(), ^{
        int netspeed  = [(NSNumber*)[dict valueForKey:NET_STATUS_NET_SPEED] intValue];
        int vbitrate  = [(NSNumber*)[dict valueForKey:NET_STATUS_VIDEO_BITRATE] intValue];
        int abitrate  = [(NSNumber*)[dict valueForKey:NET_STATUS_AUDIO_BITRATE] intValue];
        int cachesize = [(NSNumber*)[dict valueForKey:NET_STATUS_CACHE_SIZE] intValue];
        int dropsize  = [(NSNumber*)[dict valueForKey:NET_STATUS_DROP_SIZE] intValue];
        int jitter    = [(NSNumber*)[dict valueForKey:NET_STATUS_NET_JITTER] intValue];
        int fps       = [(NSNumber*)[dict valueForKey:NET_STATUS_VIDEO_FPS] intValue];
        int width     = [(NSNumber*)[dict valueForKey:NET_STATUS_VIDEO_WIDTH] intValue];
        int height    = [(NSNumber*)[dict valueForKey:NET_STATUS_VIDEO_HEIGHT] intValue];
        float cpu_usage = [(NSNumber*)[dict valueForKey:NET_STATUS_CPU_USAGE] floatValue];


        NSString* log = [NSString stringWithFormat:@"CPU:%.1f%%\tRES:%d*%d\tSPD:%dkb/s\nJITT:%d\tFPS:%d\tARA:%dkb/s\nQUE:%d\tDRP:%d\tVRA:%dkb/s",
                         cpu_usage*100,
                         width,
                         height,
                         netspeed,
                         jitter,
                         fps,
                         abitrate,
                         cachesize,
                         dropsize,
                         vbitrate];
        [_statusView setText:log];

    });
}

#pragma mark - Button actions...

- (void)hdPressed:(UIButton *)sender {
    [self hideAllToolView];
    _vHD.hidden = _hdButton.selected;
    _hdButton.selected = !_hdButton.selected;
}

- (void)logPressed:(UIButton *)sender {
    [self hideAllToolView];
    _cover.hidden = _logButton.selected;
    _logViewEvt.hidden = _logButton.selected;
    _statusView.hidden = _logButton.selected;
    _logButton.selected = !_logButton.selected;
}

- (void)accelleratePressed:(UIButton *)sender {
    if ([[[UIDevice currentDevice] systemVersion] floatValue] < 8.0) {
        [self toastTip:@"iOS 版本低于8.0，不支持硬件加速."];
        return;
    }

    if(_livePush != nil) {
        if (_liveButton.selected) {
            [self stopRtmp];
        }

        TXLivePushConfig * configTmp = _livePush.config;
        if (configTmp.enableHWAcceleration == NO)
        {
            NSString* strTip = @"iOS SDK启用硬件加速.";
            if (_liveButton.selected)
            {
                strTip = @"iOS SDK启用硬件加速，切换后会重新开始推流";
            }

            [self toastTip:strTip];
            configTmp.enableHWAcceleration = YES;
        }
        else
        {
            NSString* strTip = @"iOS SDK停止硬件加速.";
            if (_liveButton.selected)
            {
                strTip = @"iOS SDK停止硬件加速，切换后会重新开始推流";
            }

            [self toastTip:strTip];
            configTmp.enableHWAcceleration = NO;
        }
        _livePush.config = configTmp;

        if (_liveButton.selected) {
            [self startRtmp];
        }
    }
}

- (void)beautyPressed:(UIButton *)sender {
    [self hideAllToolView];
    _vBeauty.hidden = sender.selected;
    sender.selected = !sender.selected;
}

- (void)channelPressed:(UIButton *)sender {
    if (!_channels.count) {
        [self loadChannelData];
        [self toastTip:@"房间加载失败，稍后再试！"];
        return;
    }
    [self hideAllToolView];
    _channelPannel.hidden = sender.selected;
    sender.selected = !sender.selected;
}

- (void)fullScreenPressed:(UIButton *)sender {

}

- (void)cameraSwizzlePressed:(UIButton *)sender {

    [_livePush switchCamera];
}

- (void)torchPressed:(UIButton *)sender {

    sender.selected = !sender.selected;

    AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
    if ([device hasTorch] && [device hasFlash]){

        [device lockForConfiguration:nil];
        if (sender.selected) {
            [device setTorchMode:AVCaptureTorchModeOn];
//            [device setFlashMode:AVCaptureFlashModeOn];
        } else {
            [device setTorchMode:AVCaptureTorchModeOff];
//            [device setFlashMode:AVCaptureFlashModeOff];
        }
        [device unlockForConfiguration];
    }
}

- (void)liveButtonPressed:(UIButton *)sender {
    [self hideAllToolView];
    _liveButton.selected = !_liveButton.selected;
    if (_liveButton.selected) {
        [self startRtmp];
    } else {
        [self stopRtmp];
    }
}

- (void)hideAllToolView {

    _vBeauty.hidden = YES;
    _vHD.hidden = YES;
    _channelPannel.hidden = YES;
}

- (void) touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self hideAllToolView];
}

#pragma mark - UI related..

-(void) sliderValueChange:(UISlider*) obj
{
    if (obj.tag == 0) { //美颜
        _beauty_level = obj.value;
    } else if (obj.tag == 1) { //美白
        _whitening_level = obj.value;
    }

    [_livePush setBeautyFilterDepth:_beauty_level setWhiteningFilterDepth:_whitening_level];
}

- (void)initBeautyAndHDPannel {

    CGSize size = [[UIScreen mainScreen] bounds].size;

    int icon_size = size.width / 10;

    _cover = [[UIView alloc]init];
    _cover.frame  = CGRectMake(10.0f, 55 + 2*icon_size, size.width - 20, size.height - 75 - 3 * icon_size);
    _cover.backgroundColor = [UIColor whiteColor];
    _cover.alpha  = 0.5;
    _cover.hidden = YES;
    [self.view addSubview:_cover];

    int logheadH = 50;
    _statusView = [[UITextView alloc] initWithFrame:CGRectMake(10.0f, 55 + 2*icon_size, size.width - 20,  logheadH)];
    _statusView.backgroundColor = [UIColor clearColor];
    _statusView.alpha = 1;
    _statusView.textColor = [UIColor blackColor];
    _statusView.editable = NO;
    _statusView.hidden = YES;
    [self.view addSubview:_statusView];

    _logViewEvt = [[UITextView alloc] initWithFrame:CGRectMake(10.0f, 55 + 2*icon_size + logheadH, size.width - 20, size.height - 75 - 3 * icon_size - logheadH)];
    _logViewEvt.backgroundColor = [UIColor clearColor];
    _logViewEvt.alpha = 1;
    _logViewEvt.textColor = [UIColor blackColor];
    _logViewEvt.editable = NO;
    _logViewEvt.hidden = YES;
    [self.view addSubview:_logViewEvt];


    //美颜拉杆浮层
    _vBeauty = [[UIView  alloc] init];
    _vBeauty.frame = CGRectMake(0, size.height-120, size.width, 120);
    [_vBeauty setBackgroundColor:[UIColor whiteColor]];

    UILabel* txtBeauty = [[UILabel alloc]init];
    txtBeauty.frame = CGRectMake(20, 25, 150, 150);
    [txtBeauty setText:@"美颜效果"];
    [txtBeauty setFont:[UIFont fontWithName:@"" size:14]];
    [txtBeauty sizeToFit];

    _sdBeauty = [[UISlider alloc] init];
    _sdBeauty.frame = CGRectMake(txtBeauty.frame.origin.x + txtBeauty.frame.size.width + 10, 0, size.width - txtBeauty.frame.origin.x - txtBeauty.frame.size.width - 40, 60);
    _sdBeauty.minimumValue = 0;
    _sdBeauty.maximumValue = 9;
    _sdBeauty.value = 0;
    _sdBeauty.center = CGPointMake(_sdBeauty.center.x, txtBeauty.center.y);

    [_sdBeauty setThumbImage:[UIImage imageNamed:@"circle"] forState:UIControlStateNormal];
    [_sdBeauty setMinimumTrackTintColor:[UIColor blackColor]];
    [_sdBeauty setMaximumTrackTintColor:[UIColor blackColor]];
    [_sdBeauty addTarget:self action:@selector(sliderValueChange:) forControlEvents:UIControlEventValueChanged];
    _sdBeauty.tag = 0;

    UILabel* txtWhitening = [[UILabel alloc] init];
    txtWhitening.frame = CGRectMake(20, txtBeauty.frame.origin.y + txtBeauty.frame.size.height + 25, 150, 150);
    [txtWhitening setText:@"美白效果"];
    [txtWhitening setFont:[UIFont fontWithName:@"" size:14]];
    [txtWhitening sizeToFit];

    _sdWhitening = [[UISlider alloc] init];
    _sdWhitening.frame = CGRectMake(txtWhitening.frame.origin.x + txtWhitening.frame.size.width + 10, 0, size.width - txtWhitening.frame.origin.x - txtWhitening.frame.size.width - 40, 60);
    _sdWhitening.minimumValue = 0;
    _sdWhitening.maximumValue = 9;
    _sdWhitening.center = CGPointMake(_sdWhitening.center.x, txtWhitening.center.y);

    [_sdWhitening setThumbImage:[UIImage imageNamed:@"circle"] forState:UIControlStateNormal];
    [_sdWhitening setMinimumTrackTintColor:[UIColor blackColor]];
    [_sdWhitening setMaximumTrackTintColor:[UIColor blackColor]];
    [_sdWhitening addTarget:self action:@selector(sliderValueChange:) forControlEvents:UIControlEventValueChanged];
    _sdWhitening.tag = 1;


    [_vBeauty addSubview:txtBeauty];
    [_vBeauty addSubview:_sdBeauty];
    [_vBeauty addSubview:txtWhitening];
    [_vBeauty addSubview:_sdWhitening];

    _vBeauty.hidden = YES;
    [self.view addSubview: _vBeauty];

    // 清晰度选项: 720p - 640 - 640+ (此处使用了三个普通按钮来模拟单选框, 目的是跟android demo 保持界面风格一致)
    _vHD = [[UIView alloc]init];
    _vHD.frame = CGRectMake(0, size.height-120, size.width, 120);
    [_vHD setBackgroundColor:[UIColor whiteColor]];

    UILabel* txtHD= [[UILabel alloc]init];
    txtHD.frame = CGRectMake(0, 0, size.width, 50);
    [txtHD setText:@"清晰度"];
    [txtHD setFont:[UIFont fontWithName:@"" size:14]];

    [_vHD addSubview:txtHD];

    int gap = 30;
    int width = (size.width - gap*2 - 20) / 3;
    _radioBtnHD = [UIButton buttonWithType:UIButtonTypeCustom];
    _radioBtnHD.frame = CGRectMake(10, 60, width, 40);
    [_radioBtnHD setTitle:@"720p" forState:UIControlStateNormal];
    [_radioBtnHD addTarget:self action:@selector(changeHD:) forControlEvents:UIControlEventTouchUpInside];

    _radioBtnSD = [UIButton buttonWithType:UIButtonTypeCustom];
    _radioBtnSD.frame = CGRectMake(10 + gap + width, 60, width, 40);
    [_radioBtnSD setTitle:@"640" forState:UIControlStateNormal];
    [_radioBtnSD addTarget:self action:@selector(changeHD:) forControlEvents:UIControlEventTouchUpInside];

    _radioBtnAUTO = [UIButton buttonWithType:UIButtonTypeCustom];
    _radioBtnAUTO.frame = CGRectMake(size.width - 10 - width, 60, width, 40);
    [_radioBtnAUTO setTitle:@"640+" forState:UIControlStateNormal];
    [_radioBtnAUTO addTarget:self action:@selector(changeHD:) forControlEvents:UIControlEventTouchUpInside];

    [_vHD addSubview:_radioBtnHD];
    [_vHD addSubview:_radioBtnSD];
    [_vHD addSubview:_radioBtnAUTO];

    _vHD.hidden = YES;
    [self.view addSubview: _vHD];

    // DEMO 默认采用 640 * 360 分辨率, 避免在4S等机型上出现编码不足
    int _hd_level = [self isSuitableMachine] ? HD_LEVEL_720P : HD_LEVEL_640;
    [self setHDUI:_hd_level];
}

-(void) setHDUI:(int) level
{
    switch (level) {
        case HD_LEVEL_720P:
            [_radioBtnHD setBackgroundImage:[UIImage imageNamed:@"black"] forState:UIControlStateNormal];
            [_radioBtnSD setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnAUTO setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnHD setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
            [_radioBtnSD setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            [_radioBtnAUTO setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            break;
        case HD_LEVEL_640:
            [_radioBtnHD setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnSD setBackgroundImage:[UIImage imageNamed:@"black"] forState:UIControlStateNormal];
            [_radioBtnAUTO setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnHD setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            [_radioBtnSD setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
            [_radioBtnAUTO setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

            break;
        case HD_LEVEL_640_PLUS:
            [_radioBtnHD setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnSD setBackgroundImage:[UIImage imageNamed:@"white"] forState:UIControlStateNormal];
            [_radioBtnAUTO setBackgroundImage:[UIImage imageNamed:@"black"] forState:UIControlStateNormal];
            [_radioBtnHD setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            [_radioBtnSD setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            [_radioBtnAUTO setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        default:
            break;
    }
}


// iphone 6 及以上机型适合开启720p, 否则20帧的帧率可能无法达到, 这种"流畅不足,清晰有余"的效果并不好
-(BOOL) isSuitableMachine
{
    int mib[2] = {CTL_HW, HW_MACHINE};
    size_t len = 0;
    char* machine;

    sysctl(mib, 2, NULL, &len, NULL, 0);

    machine = (char*)malloc(len);
    sysctl(mib, 2, machine, &len, NULL, 0);

    NSString* platform = [NSString stringWithCString:machine encoding:NSASCIIStringEncoding];
    free(machine);
    if ([platform length] > 6) {
        NSString * platNum = [NSString stringWithFormat:@"%C", [platform characterAtIndex: 6 ]];
        return ([platNum intValue] >= 7);
    } else {
        return NO;
    }

}

-(void) changeHD:(UIButton*) btn
{
    if ([btn.titleLabel.text isEqualToString:@"720p"] && NO == [self isSuitableMachine]) {
        UIAlertView * alert = [[UIAlertView alloc] initWithTitle: @"硬件加速"
                                                         message: @"iphone 6 及以上机型适合开启720p!"
                                                        delegate: nil
                                               cancelButtonTitle: @"确认"
                                               otherButtonTitles: nil];
        [alert show];
        return;
    }

    if (_liveButton.selected) {
        [self stopRtmp];
    }

    int _hd_level;
    if ([btn.titleLabel.text isEqualToString:@"720p"]) {
        _hd_level                 = HD_LEVEL_720P;

        TXLivePushConfig* _config = _livePush.config;
        _config.videoBitratePIN   = 1500;
        _config.videoResolution   = [self isSuitableMachine ] ? VIDEO_RESOLUTION_1280_720 : VIDEO_RESOLUTION_960_540;
        _config.enableAutoBitrate = NO;
        [_livePush setConfig:_config];

    } else if ([btn.titleLabel.text isEqualToString:@"640"]) {
        _hd_level                 = HD_LEVEL_640;

        TXLivePushConfig* _config = _livePush.config;
        _config.videoBitratePIN   = 800;
        _config.videoResolution   = VIDEO_RESOLUTION_640_360;
        _config.enableAutoBitrate = NO;
        [_livePush setConfig:_config];

    } else if ([btn.titleLabel.text isEqualToString:@"640+"]) {
        _hd_level                 = HD_LEVEL_640_PLUS;

        TXLivePushConfig* _config = _livePush.config;
        _config.videoBitrateMin   = 500;
        _config.videoBitrateMax   = 1500;
        _config.enableAutoBitrate = YES;
        _config.videoResolution   = VIDEO_RESOLUTION_640_360;
        [_livePush setConfig:_config]; // 此模式下设置bitrate无效
    }

    [self setHDUI:_hd_level];
    _vHD.hidden = YES;

    if (_liveButton.selected) {
        [self startRtmp];
    }
}

- (void)initChannelPannel {
    _channelPannel = [UIView new];
    _channelPannel.backgroundColor = [UIColor clearColor];
    [self.view addSubview:_channelPannel];


    UILabel *titleLabel = [UILabel new];
    titleLabel.backgroundColor = [UIColor whiteColor];
    titleLabel.font = [UIFont boldSystemFontOfSize:16];
    titleLabel.textAlignment = NSTextAlignmentCenter;
    titleLabel.text = @"直播间";
    titleLabel.layer.borderColor = [UIColor lightGrayColor].CGColor;
    titleLabel.layer.borderWidth = 0.5;
    [_channelPannel addSubview:titleLabel];

    _liveButton = [UIButton buttonWithType:UIButtonTypeCustom];
    _liveButton.backgroundColor = [UIColor whiteColor];
    [_liveButton addTarget:self action:@selector(liveButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_liveButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [_liveButton setTitle:@"开始直播" forState:UIControlStateNormal];
    [_liveButton setTitle:@"结束直播" forState:UIControlStateSelected];
    _liveButton.titleLabel.font = [UIFont systemFontOfSize:16];
    [_channelPannel addSubview:_liveButton];


    _channelTable = [UITableView new];
    _channelTable.tableFooterView = [UIView new];
    _channelTable.backgroundColor = [UIColor whiteColor];
    _channelTable.delegate = self;
    _channelTable.dataSource = self;
    [_channelPannel addSubview:_channelTable];


    [_channelPannel autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:10];
    [_channelPannel autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:10];
    [_channelPannel autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:60];
    [_channelPannel autoSetDimension:ALDimensionHeight toSize:250];

    [titleLabel autoPinEdgeToSuperviewEdge:ALEdgeTop];
    [titleLabel autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [titleLabel autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [titleLabel autoSetDimension:ALDimensionHeight toSize:40];


    [_liveButton autoPinEdgeToSuperviewEdge:ALEdgeBottom];
    [_liveButton autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_liveButton autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [_liveButton autoSetDimension:ALDimensionHeight toSize:40];

    [_channelTable autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_channelTable autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [_channelTable autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:titleLabel];
    [_channelTable autoPinEdge:ALEdgeBottom toEdge:ALEdgeTop ofView:_liveButton withOffset:-10];

    _channelPannel.hidden = YES;
}

/**
 *  @author Kennaki Kai, 16-06-12 10:06:20
 *
 *  @brief Smile faces...
 *
 *  @since 1.0
 */
- (void)initEmojiPannel {
    _emojiPannel = [UIView new];
    [self.view addSubview:_emojiPannel];
    _emojiImage = [UIImageView new];
    _emojiImage.image = [UIImage imageNamed:@"emoji_smile"];
    [_emojiPannel addSubview:_emojiImage];
    _emojiCountLabel = [UILabel new];
    _emojiCountLabel.font = [UIFont systemFontOfSize:10];
    _emojiCountLabel.textColor =[UIColor whiteColor];
    _emojiCountLabel.textAlignment = NSTextAlignmentCenter;
    _emojiCountLabel.shadowColor = [UIColor blackColor];
    _emojiCountLabel.shadowOffset = CGSizeMake(1, 1);
    [_emojiPannel addSubview:_emojiCountLabel];
    _emojiCountLabel.text = @"92487";
    [_emojiPannel autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:15];
    [_emojiPannel autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:75];
    [_emojiPannel autoSetDimensionsToSize:CGSizeMake(55, 80)];
    [_emojiImage autoPinEdgeToSuperviewEdge:ALEdgeTop];
    [_emojiImage autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [_emojiImage autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_emojiImage autoSetDimension:ALDimensionHeight toSize:55];
    [_emojiCountLabel autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:_emojiImage];
    [_emojiCountLabel autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [_emojiCountLabel autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_emojiCountLabel autoSetDimension:ALDimensionHeight toSize:25];
}

- (void)initInfoPannel {
    _infoPannel = [UIView new];
    [self.view addSubview:_infoPannel];
    _onlineCountLabel = [UILabel new];
    _onlineCountLabel.shadowOffset = CGSizeMake(1, 1);
    _onlineCountLabel.textColor = [UIColor whiteColor];
    _onlineCountLabel.shadowColor = [UIColor blackColor];
    _onlineCountLabel.font = [UIFont systemFontOfSize:14];
    [_infoPannel addSubview:_onlineCountLabel];
    _onlineCountLabel.text = @"2233人在线";
    _timeLabel = [UILabel new];
    _timeLabel.shadowColor = [UIColor blackColor];
    _timeLabel.shadowOffset = CGSizeMake(1, 1);
    _timeLabel.font = [UIFont systemFontOfSize:10];
    _timeLabel.textColor = [UIColor whiteColor];
    [_infoPannel addSubview:_timeLabel];
    _timeLabel.text = @"00:00";

    [_infoPannel autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:15];
    [_infoPannel autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:15];
    [_infoPannel autoSetDimensionsToSize:CGSizeMake(300, 34)];
    [_onlineCountLabel autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_onlineCountLabel autoPinEdgeToSuperviewEdge:ALEdgeTop];
    [_timeLabel autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [_timeLabel autoPinEdgeToSuperviewEdge:ALEdgeBottom];
}

/**
 *  @author Kennaki, 16-06-07 13:06:45
 *
 *  @brief Init user interface.
 *
 *  @since 1.0
 */
- (void)initUI {

    [self initEmojiPannel];
    [self initInfoPannel];

    _fullScreenButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_fullScreenButton addTarget:self action:@selector(fullScreenPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_fullScreenButton setImage:[UIImage imageNamed:@"icon_Exit-Full-Screen"] forState:UIControlStateNormal];
    [_fullScreenButton setImage:[UIImage imageNamed:@"icon_Full-Screen"] forState:UIControlStateSelected];
    [self.view addSubview:_fullScreenButton];
    _cameraSwitchButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_cameraSwitchButton addTarget:self action:@selector(cameraSwizzlePressed:) forControlEvents:UIControlEventTouchUpInside];
    [_cameraSwitchButton setImage:[UIImage imageNamed:@"icon_Switching"] forState:UIControlStateNormal];
    [self.view addSubview:_cameraSwitchButton];
    _torchButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_torchButton addTarget:self action:@selector(torchPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_torchButton setImage:[UIImage imageNamed:@"icon_photoflash"] forState:UIControlStateNormal];
    [_torchButton setImage:[UIImage imageNamed:@"icon_no-flash"] forState:UIControlStateSelected];
    [self.view addSubview:_torchButton];


    UIView *bottomToolView = [UIView new];
    bottomToolView.backgroundColor = [UIColor clearColor];
    [self.view addSubview:bottomToolView];

    [bottomToolView autoPinEdgeToSuperviewEdge:ALEdgeRight];
    [bottomToolView autoPinEdgeToSuperviewEdge:ALEdgeLeft];
    [bottomToolView autoPinEdgeToSuperviewEdge:ALEdgeBottom];
    [bottomToolView autoSetDimension:ALDimensionHeight toSize:50];

    UIView *line = [UIView new];
    line.backgroundColor = [UIColor whiteColor];
    [bottomToolView addSubview:line];

    [line autoPinEdgeToSuperviewEdge:ALEdgeTop];
    [line autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:10];
    [line autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:10];
    [line autoSetDimension:ALDimensionHeight toSize:0.5];

    _channelButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_channelButton addTarget:self action:@selector(channelPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_channelButton setTitle:@"频道" forState:UIControlStateNormal];
    [bottomToolView addSubview:_channelButton];
    _beautyButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_beautyButton addTarget:self action:@selector(beautyPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_beautyButton setTitle:@"美颜" forState:UIControlStateNormal];
    [bottomToolView addSubview:_beautyButton];
    _accellerateButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_accellerateButton addTarget:self action:@selector(accelleratePressed:) forControlEvents:UIControlEventTouchUpInside];
    [_accellerateButton setTitle:@"加速" forState:UIControlStateNormal];
    [bottomToolView addSubview:_accellerateButton];
    _logButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_logButton addTarget:self action:@selector(logPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_logButton setTitle:@"Log" forState:UIControlStateNormal];
    [bottomToolView addSubview:_logButton];
    _hdButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_hdButton addTarget:self action:@selector(hdPressed:) forControlEvents:UIControlEventTouchUpInside];
    [_hdButton setTitle:@"高清" forState:UIControlStateNormal];
    [bottomToolView addSubview:_hdButton];

    NSArray *toolButtons = @[_fullScreenButton,_cameraSwitchButton,_torchButton,_channelButton,_beautyButton,_accellerateButton,_logButton,_hdButton];
    [toolButtons autoSetViewsDimensionsToSize:CGSizeMake(30, 30)];
    for (UIButton *btn in toolButtons) {
        btn.backgroundColor = [UIColor colorWithWhite:1 alpha:0.7];
        btn.titleLabel.font = [UIFont systemFontOfSize:12];
        [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        btn.layer.cornerRadius = 15;
        btn.clipsToBounds = YES;
    }

    [_fullScreenButton autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:15];
    [_fullScreenButton autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:15];
    [_cameraSwitchButton autoPinEdge:ALEdgeRight toEdge:ALEdgeLeft ofView:_fullScreenButton withOffset:-15];
    [_cameraSwitchButton autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:15];
    [_torchButton autoPinEdge:ALEdgeRight toEdge:ALEdgeLeft ofView:_cameraSwitchButton withOffset:-15];
    [_torchButton autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:15];

    NSArray *bottomAry = @[_channelButton,_beautyButton,_accellerateButton,_logButton,_hdButton];
    [bottomAry autoDistributeViewsAlongAxis:ALAxisHorizontal alignedTo:ALAttributeHorizontal withFixedSize:30];
    for (UIButton *btn in bottomAry) {
        [btn autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:10];
    }

    [self initBeautyAndHDPannel];

    [self initChannelPannel];

}

#pragma mark - table view protocols...

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return _channels.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    YH_ChannelCell *cell = [tableView dequeueReusableCellWithIdentifier:@"YH_ChannelCell"];
    if (!cell) {
        cell = [[YH_ChannelCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"YH_ChannelCell"];
    }
    [cell bindChannelTitle:_channels[indexPath.row].roomTitle selected:(indexPath.row==_currentChannelIndex)];
    return cell;

    return [UITableViewCell new];
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 40;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    _currentChannelIndex = indexPath.row;
    [_channelTable reloadData];
}

- (void) toastTip:(NSString*)toastInfo
{
    CGRect frameRC = [[UIScreen mainScreen] bounds];
    frameRC.origin.y = frameRC.size.height - 110;
    frameRC.size.height -= 110;
    __block UITextView * toastView = [[UITextView alloc] init];

    toastView.editable = NO;
    toastView.selectable = NO;

    frameRC.size.height = [self heightForString:toastView andWidth:frameRC.size.width];

    toastView.frame = frameRC;

    toastView.text = toastInfo;
    toastView.backgroundColor = [UIColor whiteColor];
    toastView.alpha = 0.5;

    [self.view addSubview:toastView];

    dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC);

    dispatch_after(popTime, dispatch_get_main_queue(), ^(){
        [toastView removeFromSuperview];
        toastView = nil;
    });
}

- (float) heightForString:(UITextView *)textView andWidth:(float)width{
    CGSize sizeToFit = [textView sizeThatFits:CGSizeMake(width, MAXFLOAT)];
    return sizeToFit.height;
}
@end