这是一个由 kotlin 、C++ 编写的 RTMP 推流项目

Last update: Dec 26, 2022

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Overview

AVRtmpPushSDK

欢迎关注 AVRtmpPushSDK 直播开源项目，这是一个由 kotlin 、C++ 编写的项目。整个项目完成了采集、视音频处理、编码、数据发送前处理、数据发送的功能。整个项目支持 flv 封包，rtmp 上传，当然也向外面提供了封包和上传的相关接口。整个项目均由个人编写完成，可能某些地方会有一些不足之处，欢迎您提出宝贵的意见和建议。

下载 APK 体验

支持功能

音视频硬件编码

动态码率调整

摄像头参数设置

音频编码参数设置

视频编码参数设置

支持添加图片、文字水印

支持摄像头切换

支持 flv 封包

支持自动对焦

支持 Live 模式下横竖屏动态切换

###要求

Android SDK 版本 18+

如何使用

1、添加远程依赖

implementation 'com.devyk.av.rtmp.library:AVRtmpPushSDK:1.0.0'

2、添加权限

ps: 在Android 6.0以后很多权限需要动态申请. 如果你想快速使用，可以将项目的targetSdkVersion设置在23一下。

3、预览窗口

    <com.devyk.av.rtmp.library.widget.AVLiveView
            android:id="@+id/live"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            live:back="true"
            live:fps="25"
            live:sampleRate="44100"
            live:preview_height="1280"
            live:preview_width="720"
            live:videoMaxRate="300"
            live:videoMinRate="200"
    />

4、参数配置

4.1、XML 配置

是否后置摄像头优先 -> live:back

预览编码的帧率 -> live:fps

音频采样率 -> live:sampleRate

预览宽高 -> live:preview_height/live:preview_width

视频最大码率 -> live:videoMaxRate

视频最低码率 -> live:videoMinRate

4.2、代码配置

4.2.1 、音频采集编码参数设置

//初始化音频参数
var audioConfiguration = AudioConfiguration.createDefault()
live.setAudioConfigure(audioConfiguration)

4.2.2、视频编码参数设置

        var videoConfiguration = VideoConfiguration.Builder()
            .setBps(400, 800)
            .setFps(25)
            .setCodeType(VideoConfiguration.ICODEC.ENCODE)
            .setSize(320, 240)
            .setIfi(5)
            .setMediaCodec(true)
            .build()
        live.setVideoConfigure(videoConfiguration)

4.2.3、camera 预览参数设置

        //初始化 camera 参数
        var cameraConfiguration = CameraConfiguration.Builder()
            .setFacing(CameraConfiguration.Facing.FRONT)
            .setFps(25)
            .setPreview(320, 240)
            .build()
        live.setCameraConfigure(cameraConfiguration)

####5、设置打包器

var mPacker = RtmpPacker()
live.setPacker(mPacker)

6、设置发送器

private var mDataSource = "rtmp://[ip]:[port]/devykLive/live1"

 mSender = RtmpSender()
 mSender.setDataSource(mDataSource)
 live.setSender(mSender)

7、添加水印

    /**
     * OpenGL 物体坐标，对应 Android 屏幕坐标
     *
     * -1.0，1.0                             1.0，1.0
     *  -------------------------------------
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                                   |
     *  |                   这里就是水印坐标   |
     *  |                          |-----    |
     *  |                          |    |    |
     *  |                          ——-—-|    |
     *  --------------------------------------
     * -1.0，1.0                             1.0，-1.0
     * 默认水印坐标地址，对应在屏幕右下角，用户可以自定义坐标
     */
    private var mVertexData = floatArrayOf( 
        0.55f, -0.9f, //第一个点 左下角
        0.9f, -0.9f, //第二个点 右下角
        0.55f, -0.7f, //第三个点 左上角
        0.9f, -0.7f //第四个点  右上角
    )

//设置 Bitmap 水印 第二个参数如果传 null 那么默认在右下角
live.setWatermark(Watermark(BitmapFactory.decodeResource(resources,R.mipmap.live_logo), mVertexData))

//设置文字水印 textSize 设置 20 那么会根据设置的坐标进行拉伸，传入 null 内部自动处理
live.setWatermark(Watermark("随播",Color.WHITE,20,null))

8、开始预览

live.startPreview()

9、连接 rtmp 服务器

mSender?.setOnConnectListener(lis: OnConnectListener)
mSender?.connect()
 
 //rtmp 直播服务器连接回调
 public interface OnConnectListener {
    /**
     * 开始链接
     */
    fun onConnecting()

    /**
     * 连接成功
     */
    fun onConnected()

    /**
     * 推送失败
     */
    fun onFail(message:String)

    /**
     * 关闭
     */
    fun onClose()
}

10、开始直播

//开始进行打包
mPacker.start()
//开始进行直播推流
live.startLive()

11、动态设置码率

 live.setVideoBps(bps:Int)

12、停止直播

//停止音视频采集编解码
live.stopLive()
//关闭 rtmp 服务
mSender?.close()
//关闭打包器
mPacker.stop()

13、横竖屏适配

//1、Activity 页面添加如下配置
   android:configChanges="orientation|keyboardHidden|screenSize"

//2. 实现横竖屏切换监听
    override fun onConfigurationChanged(newConfig: Configuration) {
        super.onConfigurationChanged(newConfig)
        live.previewAngle(this)
    }

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Comments

想要默认打开后置摄像头,设置 live:back="true"无效,应该怎么改呢?
用的红米手机

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:live="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".ActivityB">

<com.devyk.av.rtmp.library.widget.AVLiveView android:id="@+id/live" live:back="true" android:layout_width="match_parent" android:layout_height="match_parent" /> <androidx.appcompat.widget.AppCompatButton android:text="開始推流" live:layout_constraintTop_toTopOf="parent" android:id="@+id/btn_start" android:layout_width="match_parent" android:layout_height="wrap_content"/>

</androidx.constraintlayout.widget.ConstraintLayout>
opened by roybill 0

想要让后置摄像头向左旋转90度,设置CameraConfiguration参数无效,该怎么解决呢?

    //初始化 camera 参数
    var cameraConfiguration = CameraConfiguration.Builder()
        .setRotation(45)      //无效
        .setOrientation(CameraConfiguration.Orientation.LANDSCAPE)  //无效
        .setFacing(CameraConfiguration.Facing.BACK) //默认打开后置摄像头
        .setFps(25)
        .setPreview(320, 240)
        .build()

    mLive.setCameraConfigure(cameraConfiguration)

opened by roybill 0