手机推拉流iOS SDK文档

将IJKMediaFramework.framework、MDLiveEngine.framework、IJKMediaFrameworkWithSSL.framework、Accelerate.framework、AudioToolbox.framework等库文件和资源文件拖入项目文件夹
在项目根路径下运行如下命令:
```
pod init
```
然后在修改根目录下的Profile文件添加以下依赖:
```
pod 'MBProgressHUD', '~> 1.1.0'
pod 'Masonry'
```
之后在项目跟路径下运行如下命令:
```
pod install
```
在Build Settings中关闭Bitcode
在info.plist中添加获取摄像头、麦克风和相册权限的描述

推流配置

推流配置如下例:

MDPushConfig pushConfig;
memset(&pushConfig, 0, sizeof(pushConfig));
//设置音频采样率
pushConfig.audioSampleRate = 44100;
pushConfig.channel = 2;
//设置视频码率
pushConfig.videoBitRate = 9000* 1000;
//设置音频码率
pushConfig.audioBitRate = 96 * 1000;
//设置分辨率 默认为720P
pushConfig.pushSize =  Preset1080x720;
//设置推流类型 默认音视频推流
pushConfig.streamType = MDPUSH_DEFAULT;
//设置推流地址
pushConfig.config.rtmpConfig.pushUrl = @"rtmp://xxxxx/xxxx/xxxx";

在配置好推流配置后，调用下例代码可以弹出推流页面:

//创建MDPusher
_livepush = [[MDLiveEngine alloc]init];
//设置摄像头 默认为前置摄像头
[_livepush startCaptureWithSizeType:kCaptureSize1280_720 fps:30 position:AVCaptureDevicePositionFront];
//设置推流方向是否为竖屏 默认为NO
_livepush.outputOrientation = UIInterfaceOrientationPortrait;
//设置推流配置
[_livepush startStreamPushWithConfig:pushConfig];

退出销毁

[_livepush stopStreamPush];

附加功能

1.静音

[_livepush enableMixingAudioStream:!btn.selected];

2.开关闪光灯

if (_livepush.cameraPosition == AVCaptureDevicePositionBack) 
{
   _livepush.torchOn = btn.selected;
}
else
{
    UIAlertView* view = [[UIAlertView alloc]initWithTitle:@"提示"       message:@"闪关灯只在后置摄像头有效" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil];
    [view show];
}

3.切换摄像头

if (_livepush.cameraPosition == AVCaptureDevicePositionBack) 
{
    _livepush.cameraPosition = AVCaptureDevicePositionFront;
}else
{
   _livepush.cameraPosition = AVCaptureDevicePositionBack;
}

拉流步骤

获取playerView，设置播放地址并播放

_player = [[IJKFFMoviePlayerController alloc]initWithContentURLString:self.textfield.text withOptions:nil];
[_player setOptionIntValue:1 forKey:@"videotoolbox" ofCategory:kIJKFFOptionCategoryPlayer];
[_player setPlayerOptionIntValue:5000 forKey:@"max_cached_duration"];
_player.view.frame = self.view.bounds;
[_player prepareToPlay];

重新播放

if (_player) 
{
[_player stop];
[_player shutdown];
_player = nil;
}
[self playVideo];

结束播放

if (_player) {
[_player stop];
[_player shutdown];
_player = nil;
}

错误码说明

//包发送错误 kLiveEngineSendPacketError //与服务器握手失败 kLiveEngineConnectError //停止推流错误 kLiveEngineStopPushError //视频录制错误 kLiveEngineInfoRecodeError //电话，闹钟等音频抢占导致音频终止 kLiveEngineInfoAudioInterruption

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