Unity学习记录4——视频进度条制作，视频倍速、快进及后退-Toy模板网

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１.使用AVPro Video插件，进行制作

２.效果演示

unity3d使用avprovideo实现快退,unity,学习,音视频

３.代码文章来源地址https://www.toymoban.com/news/detail-772335.html

 void Start()
    {
        MediaPlayerone.m_VideoPath = Application.streamingAssetsPath + "/字言奇说.mp4";
        MediaPlayerone.OpenVideoFromFile(MediaPlayer.FileLocation.AbsolutePathOrURL, MediaPlayerone.m_VideoPath, true);
    }

    // Update is called once per frame
    void Update()
    {
　　　　／／视频当前时长
        one.text = convertime(GetCurrenAllTime());
　　　　　／／视频总时长
        two.text = convertime(GetMovieAllTime());
        if(time)
        {
            Sliderone.value = MediaPlayerone.Control.GetCurrentTimeMs();
        }
       
    }
    public MediaPlayer MediaPlayerone;
    public Text one;
    public Text two;
    public Slider Sliderone;
    public Slider audioSliderone;
    public float num;
    //public ServerControllerSample sample;
    public Dropdown Dropdownone;
    //视频显示 总时间
    public float GetMovieAllTime()
    {
        //毫秒 获取视频总时间
        Sliderone.maxValue = MediaPlayerone.Info.GetDurationMs();
        return MediaPlayerone.Info.GetDurationMs();
    }
    //视频 当前时间
    public float GetCurrenAllTime()
    {
        //毫秒 获取视频当前播放时间       
         //Sliderone.value = MediaPlayerone.Control.GetCurrentTimeMs();
        return MediaPlayerone.Control.GetCurrentTimeMs();
       
    }
    public string convertime(float time)
    {
        int scecond = (int)(time / 1000f);
        int min = scecond / 60;
        scecond = scecond % 60;
        //三目运算符
        return scecond < 10 ? "0" + min + ":" + "0" + scecond : "0" + min + ":" + scecond;
    }
    //开始拖拽 视频停止播放
    public void stop()
    {
        time = false;
        MediaPlayerone.Pause();
        
    }
    public bool time=true;
    //结束拖拽 视频播放 跳转到规定位置
    public void pause()
    {
        time = true;      
        MediaPlayerone.Play();
        num = Sliderone.value;
        MediaPlayerone.Control.Seek(num);       
    }
    //倍速
    public void dropdown()
    {
        if (Dropdownone.value == 0)
        {
            MediaPlayerone.Control.SetPlaybackRate(0.5f);

        }
        if (Dropdownone.value == 1)
        {
            MediaPlayerone.Control.SetPlaybackRate(1f);
        }
        if (Dropdownone.value == 2)
        {
            MediaPlayerone.Control.SetPlaybackRate(1.5f);
        }
    }
    //视频快进或后退的时间
    public float m_backSeconds;
    //视频快进
    public void kuaijin()
    {
        float currentime = MediaPlayerone.Control.GetCurrentTimeMs();
        currentime = (currentime + m_backSeconds * 1000) >= 0 ? currentime + m_backSeconds * 1000 : currentime;
        print("时间："+currentime);
        MediaPlayerone.Control.Seek(currentime);
    }
    //视频后退
    public void tui()
    {
        float currentime = MediaPlayerone.Control.GetCurrentTimeMs();
        currentime = (currentime - m_backSeconds * 1000) >= 0 ? currentime -m_backSeconds * 1000 : currentime;
        MediaPlayerone.Control.Seek(currentime);
    }
    //音量控制
    public void control()
    {
        float a = audioSliderone.value;
        MediaPlayerone.Control.SetVolume(a);
    }

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