摘要：
使用System.Collections。通用；//图像publicRawImage_图像；privatefloatm_时间；publicGameObjectm_unFullScreenBtn；voidAwake（）{//Instance=this；m_videoControlArea.SetActive（false）；
using System; using UnityEngine; using System.Collections; using System.Collections.Generic; using System.IO; using UnityEngine.Video; using UnityEngine.UI; using TMPro; using UIWidgets; public class VideoPlayerControl : MonoBehaviour { //public static VideoPlayerControl Instance; //图像 public RawImage m_image; //播放器 public VideoPlayer m_vPlayer; //播放 public Button m_btnPlay; //暂停 public Button m_btnPause; public Button m_btnVolumnOn; public Button m_btnVolumnOff; //视频控制器 public Slider m_sliderVideo; //音量控制器 public Slider m_sliderSource; //当前视频时间 public Text m_textTime; public TextMeshProUGUI m_videoName; //视频总时长 public Text m_textCount; //音频组件 public AudioSource m_source; //需要添加播放器的物体 public GameObject m_obj; //是否拿到视频总时长 public bool m_isShow; //前进后退的大小 public float m_numBer = 20f; //时 分的转换 private int hour, mint; private float m_time; private float m_timeCount; private float m_timeCurrent; //视频是否播放完成 private bool m_isVideo; bool isFullScreen = false; //隐藏视频控制按钮区域 public GameObject m_videoControlArea; protected bool m_isShowUI; //树状图 [SerializeField] public TreeView m_Tree; protected Vector2 m_videoAreaSize; protected Vector3 m_videoAreaAnchor; public GameObject m_fullScreenBtn; public GameObject m_unFullScreenBtn; void Awake() { //Instance = this; GetVideoName(); } void Start() { m_image = m_obj.GetComponent<RawImage>(); //一定要动态添加这两个组件，要不然会没声音 m_vPlayer = m_obj.AddComponent<VideoPlayer>(); m_source = m_obj.AddComponent<AudioSource>(); //这3个参数不设置也会没声音 唤醒时就播放关闭 m_vPlayer.playOnAwake = false; m_source.playOnAwake = false; m_source.Pause(); m_videoControlArea.SetActive(false); //初始化 //Init(urlNetWork); m_btnPlay.onClick.AddListener(delegate { OnClick(0); }); m_btnPause.onClick.AddListener(delegate { OnClick(1); }); m_btnVolumnOn.onClick.AddListener(delegate { OnClick(2); }); m_btnVolumnOff.onClick.AddListener(delegate { OnClick(3); }); m_sliderSource.value = m_source.volume; //text.text = string.Format("{0:0}%", source.volume * 100); m_sliderSource.onValueChanged.AddListener(delegate { ChangeSource(m_sliderSource.value); }); //全屏的默认值 m_videoAreaSize = m_obj.GetComponent<RectTransform>().sizeDelta; m_videoAreaAnchor = m_obj.GetComponent<RectTransform>().anchoredPosition3D; } void Update() { if (m_vPlayer.isPlaying && m_isShow) { //把图像赋给RawImage m_image.texture = m_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 m_sliderVideo.maxValue = (m_vPlayer.frameCount / m_vPlayer.frameRate); m_time = m_sliderVideo.maxValue; hour = (int)m_time / 60; mint = (int)m_time % 60; m_textCount.text = string.Format("{0:D2}:{1:D2}", hour.ToString(), mint.ToString()); m_isShow = !m_isShow; } if (Mathf.Abs((int)m_vPlayer.time - (int)m_sliderVideo.maxValue) == 0) { m_vPlayer.frame = (long)m_vPlayer.frameCount; m_vPlayer.Pause(); m_isVideo = false; return; } else if (m_isVideo && m_vPlayer.isPlaying) { m_time = (float)m_vPlayer.time; hour = (int)m_time / 60; mint = (int)m_time % 60; m_textTime.text = string.Format("{0:D2}:{1:D2}", hour.ToString(), mint.ToString()); m_sliderVideo.value = m_time; } } /// <summary> /// 获取文件夹下的文件列表 /// </summary> /// <param name="path"></param> private void GetVideoName() { string path; Configuration cfg = ConfigManager.GetConfig("AppConfig.xml"); cfg.Get("VideoPath", out path); if (!Directory.Exists(path)) { Debug.LogError("教学视频路径不存在！"); return; } DirectoryInfo dir = new DirectoryInfo(path); m_Tree.Nodes = InitTreeList(dir); m_Tree.gameObject.transform.Find("ScrollRect").GetComponent<ScrollRect>().horizontal = true; } /// <summary> /// 初始化视频文件列表 /// </summary> private ObservableList<TreeNode<TreeViewItem>> InitTreeList(DirectoryInfo dir) { ObservableList<TreeNode<TreeViewItem>> nodes = new ObservableList<TreeNode<TreeViewItem>>(); FileInfo[] files = dir.GetFiles(); for (int i = 0; i < files.Length; i++) { FileInfo file = files[i]; TreeViewItem item = new CustomTreeViewItem(file.Name, null,file.FullName); TreeNode<TreeViewItem> node = new TreeNode<TreeViewItem>(item, null); nodes.Add(node); } DirectoryInfo[] childDirList = dir.GetDirectories(); for (int i = 0; i < childDirList.Length; i++) { DirectoryInfo childDir = childDirList[i]; ObservableList<TreeNode<TreeViewItem>> childDirNodes = InitTreeList(childDir); TreeViewItem item = new CustomTreeViewItem(childDir.Name, null, null); TreeNode<TreeViewItem> childNode = new TreeNode<TreeViewItem>(item, childDirNodes); nodes.Add(childNode); } return nodes; } /// <summary> /// 播放视频 /// </summary> /// <param name="id"></param> public void PlayVideo(string fullName) { Init(fullName);//@"E:互动教学视频" +@"" } public void OnSelect(int index, ListViewItem item) { TreeViewComponent componentItem = item as TreeViewComponent; CustomTreeViewItem customItem = componentItem.Item as CustomTreeViewItem; //Debug.Log("Selected: " + index + "; name: " + customItem.Name + "; value: " + customItem.Value + "; data: " + customItem.Data); if (customItem.Data != null) { Init(customItem.Data); m_videoName.text = customItem.Name; } } /// <summary> /// 初始化VideoPlayer /// </summary> /// <param name="url"></param> private void Init(string url) { m_isVideo = true; m_isShow = true; m_timeCount = 0; m_timeCurrent = 0; m_sliderVideo.value = 0; //设置为URL模式 m_vPlayer.source = VideoSource.Url; //设置播放路径 m_vPlayer.url = url; //在视频中嵌入的音频类型 m_vPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource; //把声音组件赋值给VideoPlayer m_vPlayer.SetTargetAudioSource(0, m_source); m_vPlayer.controlledAudioTrackCount = 1; m_vPlayer.IsAudioTrackEnabled(0); //当VideoPlayer全部设置好的时候调用 m_vPlayer.prepareCompleted += Prepared; //启动播放器 m_vPlayer.Prepare(); // player.Play(); } /// <summary> /// 改变音量大小 /// </summary> /// <param name="value"></param> public void ChangeSource(float value) { m_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() { if (m_vPlayer.isPrepared) { m_vPlayer.time = (long)m_sliderVideo.value; //Debug.Log((long)value); //Debug.Log("VideoPlayer Time:" + m_vPlayer.time); m_time = (float)m_vPlayer.time; hour = (int)m_time / 60; mint = (int)m_time % 60; m_textTime.text = string.Format("{0:D2}:{1:D2}", hour.ToString(), mint.ToString()); } if (m_isVideo == false) { m_isVideo = true; } m_vPlayer.Play(); } private void OnClick(int num) { switch (num) { case 0: m_vPlayer.Play(); m_btnPlay.gameObject.SetActive(false); m_btnPause.gameObject.SetActive(true); Time.timeScale = 1; break; case 1: m_vPlayer.Pause(); m_btnPlay.gameObject.SetActive(true); m_btnPause.gameObject.SetActive(false); Time.timeScale = 0; break; case 2: m_source.volume = 0; m_btnVolumnOn.gameObject.SetActive(false); m_btnVolumnOff.gameObject.SetActive(true); break; case 3: m_source.volume = m_sliderSource.value; m_btnVolumnOn.gameObject.SetActive(true); m_btnVolumnOff.gameObject.SetActive(false); break; default: break; } } void Prepared(VideoPlayer player) { player.Play(); } /// <summary> /// 当鼠标进入到下方进度条区域时显示进度条 /// </summary> public void OnControllAreaPointEnter() { if (!m_isShowUI) { m_videoControlArea.SetActive(true); m_isShowUI = true; } } /// <summary> /// 当鼠标离开下方进度条区域时隐藏进度条 /// </summary> public void OnControllAreaPointExit() { if (m_isShowUI) { m_videoControlArea.SetActive(false); m_isShowUI = false; } } public void OnFullScreenBtnClick() { if (!isFullScreen && m_vPlayer.isPrepared) { var rt = m_image.GetComponent<RectTransform>(); RectTransform fullScreen = GameObject.Find("MainUI").GetComponent<RectTransform>(); //m_image.GetComponent<RectTransform>().sizeDelta = new Vector2(Screen.width, Screen.height); rt.localScale = new Vector3(fullScreen.rect.width / rt.rect.width, fullScreen.rect.height / rt.rect.height, 0); rt.position = fullScreen.position; isFullScreen = true; m_fullScreenBtn.SetActive(false); m_unFullScreenBtn.SetActive(true); } else { m_image.GetComponent<RectTransform>().localScale = Vector3.one; m_image.GetComponent<RectTransform>().anchoredPosition3D = m_videoAreaAnchor; isFullScreen = false; m_fullScreenBtn.SetActive(true); m_unFullScreenBtn.SetActive(false); } } public void OnSelectTab(int id) { if (id == 4) { //m_tree.SelectNode(m_tree.DataSource[0].Node); if (m_Tree.SelectedNode != null) { m_Tree.DeselectNode(m_Tree.SelectedNode); } } } }