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技术 2022年11月18日
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播放网络视频、本地视频;可以暂停、前后拖动、快进、快退、音量调节、下一个视频

环境:Unity5.6以上

Unity正式发布了5.6版本后,作为5.x版本的最后一版还是有不少给力的更新的。其中新加入了一个Video Player控件,用以取代之前的MovieTexture。

VideoPlayer API

VideoClip API

首先导入视频,因为默认不进行编码转换,现在的视频导入速度比以前快很多。

Video Player还提供了多种视频渲染的方式,包括Camera Far Plane,Camera Near Plane,Render Texture,Material Override,Api Only。

本地视频播放:

直接将视频拖到VideoClip上

这个时候就可以播放了。

网络视频播放:

将网络视频的链接写到URL上面

这个时候就可以播放了

也可以通过URL播放本地视频,Browse…可以选择本地视频的路径,并且自动生成URL

这个时候我们会发现,播放的时候没有声音。

我们只要添加一个Audio Source组件,将他赋给VideoPlayer里面的Audio Source就有声音了

整合视频播放:

脚本控制(需引用UnityEngine.Video):

VideoPlayer的脚本控制与AudioSource相似,有常规的Play,Pause,Stop方法,也有用于进度控制的time,isPlaying,isLooping,frame,frameCount等属性。

用代码控制播放:

[C#] 纯文本查看 复制代码

?

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.Video;

using UnityEngine.UI;

using System;

public class VideoPlayerTeach : MonoBehaviour {

//图像

public RawImage image;

//播放器

public VideoPlayer vPlayer;

public string urlNetWork = “http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4”;//网络视频路径

//播放

public Button btn_Play;

//暂停

public Button btn_Pause;

//前进

public Button btn_Fornt;

//后退

public Button btn_Back;

//下一个

public Button btn_Next;

//视频控制器

public Slider sliderVideo;

//音量控制器

public Slider sliderSource;

//音量大小

public Text text;

//当前视频时间

public Text text_Time;

//视频总时长

public Text text_Count;

//音频组件

public AudioSource source;

//需要添加播放器的物体

public GameObject obj;

//是否拿到视频总时长

public bool isShow;

//前进后退的大小

public float numBer = 20f;

//时 分的转换

private int hour, mint;

private float time;

private float time_Count;

private float time_Current;

//视频是否播放完成

private bool isVideo;

// Use this for initialization

void Start () {

image = obj.GetComponent<RawImage>();

//一定要动态添加这两个组件,要不然会没声音

vPlayer = obj.AddComponent<VideoPlayer>();

source = obj.AddComponent<AudioSource>();

//这3个参数不设置也会没声音 唤醒时就播放关闭

vPlayer.playOnAwake = false;

source.playOnAwake = false;

source.Pause();

//初始化

Init(urlNetWork);

btn_Play.onClick.AddListener(delegate { OnClick(0); });

btn_Pause.onClick.AddListener(delegate { OnClick(1); });

btn_Fornt.onClick.AddListener(delegate { OnClick(2); });

btn_Back.onClick.AddListener(delegate { OnClick(3); });

btn_Next.onClick.AddListener(delegate { OnClick(4); });

sliderSource.value = source.volume;

text.text = string.Format(“{0:0}%”, source.volume * 100);

sliderSource.onValueChanged.AddListener(delegate { ChangeSource(sliderSource.value); });

}

/// <summary>

///     初始化VideoPlayer

/// </summary>

/// <param name=”url”></param>

private void Init(string url) {

isVideo = true;

isShow = true;

time_Count = 0;

time_Current = 0;

sliderVideo.value = 0;

//设置为URL模式

vPlayer.source = VideoSource.Url;

//设置播放路径

vPlayer.url = url;

//在视频中嵌入的音频类型

vPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource;

//把声音组件赋值给VideoPlayer

vPlayer.SetTargetAudioSource(0, source);

//当VideoPlayer全部设置好的时候调用

vPlayer.prepareCompleted += Prepared;

//启动播放器

vPlayer.Prepare();

}

/// <summary>

///     改变音量大小

/// </summary>

/// <param name=”value”></param>

public void ChangeSource(float value) {

source.volume = value;

text.text = string.Format(“{0:0}%”, value * 100);

}

/// <summary>

///     改变视频进度

/// </summary>

/// <param name=”value”></param>

public void ChangeVideo(float value) {

if (vPlayer.isPrepared)

{

vPlayer.time = (long)value;

Debug.Log(“VideoPlayer Time:”+vPlayer.time);

time = (float)vPlayer.time;

hour = (int)time / 60;

mint = (int)time % 60;

text_Time.text = string.Format(“{0:D2}:{1:D2}”, hour.ToString(), mint.ToString());

}

}

private void OnClick(int num) {

switch (num)

{

case 0:

vPlayer.Play();

Time.timeScale = 1;

break;

case 1:

vPlayer.Pause();

Time.timeScale = 0;

break;

case 2:

sliderVideo.value = sliderVideo.value + numBer;

break;

case 3:

sliderVideo.value = sliderVideo.value – numBer;

break;

case 4:

vPlayer.Stop();

Init(Application.streamingAssetsPath + “/EasyMovieTexture.mp4”);

break;

default:

break;

}

}

// Update is called once per frame

void Update ()

{

if (vPlayer.isPlaying && isShow)

{

//把图像赋给RawImage

image.texture = vPlayer.texture;

//帧数/帧速率=总时长    如果是本地直接赋值的视频,我们可以通过VideoClip.length获取总时长

sliderVideo.maxValue = vPlayer.frameCount/vPlayer.frameRate;

time = sliderVideo.maxValue;

hour = (int)time / 60;

mint = (int)time % 60;

text_Count.text = string.Format(“/  {0:D2}:{1:D2}”, hour.ToString(), mint.ToString());

sliderVideo.onValueChanged.AddListener(delegate { ChangeVideo(sliderVideo.value); });

isShow = !isShow;

}

if (Mathf.Abs((int)vPlayer.time – (int)sliderVideo.maxValue) == 0)

{

vPlayer.frame = (long)vPlayer.frameCount;

vPlayer.Stop();

Debug.Log(“播放完成!”);

isVideo = false;

return;

}

else if (isVideo && vPlayer.isPlaying)

{

time_Count += Time.deltaTime;

if ((time_Count – time_Current) >= 1)

{

sliderVideo.value += 1;

Debug.Log(“value:” + sliderVideo.value);

time_Current = time_Count;

}

}

}

private void FixedUpdate()

{

}

void Prepared(VideoPlayer player) {

player.Play();

}

}[/size][/font][/align][align=left][font=&quot;][size=16px]}[/size][/font][font=&quot;][size=16px]

播放网络视频、本地视频;可以暂停、前后拖动、快进、快退、音量调节、下一个视频

环境:Unity5.6以上Unity正式发布了5.6版本后,作为5.x版本的最后一版还是有不少给力的更新的。其中新加入了一个Video Player控件,用以取代之前的MovieTexture。VideoPlayer APIVideoClip API首先导入视频,因为默认不进行编码转换,现在的视频导入速度比以前快很多。 Video Player还提供了多种视频渲染的方式,包括Camera Far Plane,Camera Near Plane,Render Texture,Material Override,Api Only。

本地视频播放:

直接将视频拖到VideoClip上 这个时候就可以播放了。 

网络视频播放:

将网络视频的链接写到URL上面 这个时候就可以播放了 也可以通过URL播放本地视频,Browse…可以选择本地视频的路径,并且自动生成URL这个时候我们会发现,播放的时候没有声音。我们只要添加一个Audio Source组件,将他赋给VideoPlayer里面的Audio Source就有声音了  

整合视频播放:

脚本控制(需引用UnityEngine.Video):
VideoPlayer的脚本控制与AudioSource相似,有常规的Play,Pause,Stop方法,也有用于进度控制的time,isPlaying,isLooping,frame,frameCount等属性。 用代码控制播放:[C#] 纯文本查看 复制代码?

using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.Video;using UnityEngine.UI;using System; public class VideoPlayerTeach : MonoBehaviour {    //图像    public RawImage image;    //播放器    public VideoPlayer vPlayer;    public string urlNetWork = "http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4";//网络视频路径    //播放    public Button btn_Play;    //暂停    public Button btn_Pause;    //前进    public Button btn_Fornt;    //后退    public Button btn_Back;    //下一个    public Button btn_Next;    //视频控制器    public Slider sliderVideo;    //音量控制器    public Slider sliderSource;    //音量大小    public Text text;    //当前视频时间    public Text text_Time;    //视频总时长    public Text text_Count;    //音频组件    public AudioSource source;    //需要添加播放器的物体    public GameObject obj;    //是否拿到视频总时长    public bool isShow;    //前进后退的大小    public float numBer = 20f;    //时 分的转换    private int hour, mint;    private float time;    private float time_Count;    private float time_Current;    //视频是否播放完成    private bool isVideo;     // Use this for initialization    void Start () {        image = obj.GetComponent<RawImage>();        //一定要动态添加这两个组件,要不然会没声音        vPlayer = obj.AddComponent<VideoPlayer>();        source = obj.AddComponent<AudioSource>();         //这3个参数不设置也会没声音 唤醒时就播放关闭        vPlayer.playOnAwake = false;        source.playOnAwake = false;        source.Pause();         //初始化        Init(urlNetWork);         btn_Play.onClick.AddListener(delegate { OnClick(0); });        btn_Pause.onClick.AddListener(delegate { OnClick(1); });        btn_Fornt.onClick.AddListener(delegate { OnClick(2); });        btn_Back.onClick.AddListener(delegate { OnClick(3); });        btn_Next.onClick.AddListener(delegate { OnClick(4); });         sliderSource.value = source.volume;        text.text = string.Format("{0:0}%", source.volume * 100);        sliderSource.onValueChanged.AddListener(delegate { ChangeSource(sliderSource.value); });    }     /// <summary>    ///     初始化VideoPlayer    /// </summary>    /// <param name="url"></param>    private void Init(string url) {        isVideo = true;        isShow = true;        time_Count = 0;        time_Current = 0;        sliderVideo.value = 0;        //设置为URL模式        vPlayer.source = VideoSource.Url;        //设置播放路径        vPlayer.url = url;        //在视频中嵌入的音频类型        vPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource;         //把声音组件赋值给VideoPlayer        vPlayer.SetTargetAudioSource(0, source);         //当VideoPlayer全部设置好的时候调用        vPlayer.prepareCompleted += Prepared;        //启动播放器        vPlayer.Prepare();    }     /// <summary>    ///     改变音量大小    /// </summary>    /// <param name="value"></param>    public void ChangeSource(float value) {        source.volume = value;        text.text = string.Format("{0:0}%", value * 100);    }     /// <summary>    ///     改变视频进度    /// </summary>    /// <param name="value"></param>    public void ChangeVideo(float value) {        if (vPlayer.isPrepared)        {            vPlayer.time = (long)value;            Debug.Log("VideoPlayer Time:"+vPlayer.time);            time = (float)vPlayer.time;            hour = (int)time / 60;            mint = (int)time % 60;            text_Time.text = string.Format("{0:D2}:{1:D2}", hour.ToString(), mint.ToString());        }    }     private void OnClick(int num) {        switch (num)        {            case 0:                vPlayer.Play();                Time.timeScale = 1;                break;            case 1:                vPlayer.Pause();                Time.timeScale = 0;                break;            case 2:                sliderVideo.value = sliderVideo.value + numBer;                break;            case 3:                sliderVideo.value = sliderVideo.value - numBer;                break;            case 4:                vPlayer.Stop();                Init(Application.streamingAssetsPath + "/EasyMovieTexture.mp4");                break;            default:                break;        }    }         // Update is called once per frame    void Update ()    {        if (vPlayer.isPlaying && isShow)        {            //把图像赋给RawImage            image.texture = vPlayer.texture;            //帧数/帧速率=总时长    如果是本地直接赋值的视频,我们可以通过VideoClip.length获取总时长            sliderVideo.maxValue = vPlayer.frameCount/vPlayer.frameRate;             time = sliderVideo.maxValue;            hour = (int)time / 60;            mint = (int)time % 60;            text_Count.text = string.Format("/  {0:D2}:{1:D2}", hour.ToString(), mint.ToString());             sliderVideo.onValueChanged.AddListener(delegate { ChangeVideo(sliderVideo.value); });            isShow = !isShow;        }         if (Mathf.Abs((int)vPlayer.time - (int)sliderVideo.maxValue) == 0)        {            vPlayer.frame = (long)vPlayer.frameCount;            vPlayer.Stop();            Debug.Log("播放完成!");            isVideo = false;            return;        }        else if (isVideo && vPlayer.isPlaying)        {            time_Count += Time.deltaTime;            if ((time_Count - time_Current) >= 1)            {                sliderVideo.value += 1;                Debug.Log("value:" + sliderVideo.value);                time_Current = time_Count;            }        }    }     private void FixedUpdate()    {     }     void Prepared(VideoPlayer player) {        player.Play();    }}[/size][/font][/align][align=left][font=&quot;][size=16px]}[/size][/font][font=&quot;][size=16px]
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