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Unity 使用AVProMovieCapture實現Game視圖屏幕錄制 ? ? ?

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一、導入AVProMovieCapture包

在Asset Store資源商店里面可以下載這個插件：

https://assetstore.unity.com/packages/tools/video/avpro-movie-capture-desktop-edition-221914

目前這個插件比較貴，以下提供了老一點的版本，也是可以用的。
https://download.csdn.net/download/caiprogram123/89517225

下載之后解壓，并把這個包導入到Unity中，可以看到RenderHeads/AVProMovieCapture

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二、屏幕捕捉基本設置

在開始錄制Game視圖時要對錄制做一些基本的設置：

• 輸出文件夾類型：輸出視頻到哪個位置
  

• 輸出子文件夾：輸出視頻位置的子文件夾

• 分辨率：設置視頻的分辨率
  

• 幀率：設置視頻的幀率

• 視頻前綴：設置視頻名稱的前綴

//視頻輸出路徑
public string videoOutFolder;
//視頻輸出路徑類型
public OutputPath outputFolderType = defaultOutputFolderType;
//視頻輸出文件夾
public string outputFolderPath = defaultOutputFolderPath;//視頻降分辨率
public CaptureBase.DownScale downScale = CaptureBase.DownScale.Original;
//視頻幀率
public float frame = 60;
//視頻前綴
public string prefix = "ScreenCapture";/// <summary>
/// 設置視頻輸出路徑
/// </summary>
private void SetOutFolderPath()
{videoOutFolder = GetFolder(outputFolderType, outputFolderPath);if (!Directory.Exists(videoOutFolder))Directory.CreateDirectory(videoOutFolder);_movieCapture.OutputFolderPath = videoOutFolder;
}/// <summary>
/// 設置視頻畫質
/// </summary>
private void SetDownScale()
{_movieCapture.ResolutionDownScale = downScale;
}/// <summary>
/// 設置幀率
/// </summary>
private void SetFrameRate()
{_movieCapture.FrameRate = frame;}/// <summary>
/// 設置文件前綴
/// </summary>
private void SetPrefix()
{_movieCapture.FilenamePrefix = prefix;
}

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三、實現Game視圖屏幕捕捉功能

1、屏幕捕捉功能

在導入包后就可以進行屏幕錄制功能開發，包含開始錄頻、結束錄頻、查看最近錄制，同時在錄制的過程中也能夠看到當前當前錄制視頻的大小和時長。

 private long _lastFileSize;private uint _lastEncodedMinutes;private uint _lastEncodedSeconds;private uint _lastEncodedFrame;private StringBuilder _fileSize = new StringBuilder();private StringBuilder _videoLength = new StringBuilder();/// <summary>/// 開始錄制/// </summary>private void StartCapture(){_lastFileSize = 0;_lastEncodedMinutes = _lastEncodedSeconds = _lastEncodedFrame = 0;if (_movieCapture != null){_movieCapture.StartCapture();startRecord.interactable = false;stopRecord.interactable = true;}}/// <summary>/// 停止錄制/// </summary>private void StopCapture(){if (_movieCapture != null){if (_movieCapture.IsCapturing()){_movieCapture.StopCapture();startRecord.interactable = true;stopRecord.interactable = false;}}}/// <summary>/// 文件大小設置/// </summary>/// <param name="lastFileSize"></param>private void FileSize(){_lastFileSize = _movieCapture.GetCaptureFileSize();_fileSize.Clear();_fileSize.Append((_lastFileSize / (1024f * 1024f)).ToString("F1"));_fileSize.Append("MB");}/// <summary>/// 視頻長度設置/// </summary>private void VideoLength(){if (!_movieCapture.IsRealTime){_lastEncodedSeconds = (uint)Mathf.FloorToInt(_movieCapture.CaptureStats.NumEncodedFrames / _movieCapture.FrameRate);}else{_lastEncodedSeconds = _movieCapture.CaptureStats.TotalEncodedSeconds;}_lastEncodedMinutes = _lastEncodedSeconds / 60;_lastEncodedSeconds = _lastEncodedSeconds % 60;_lastEncodedFrame = _movieCapture.CaptureStats.NumEncodedFrames % (uint)_movieCapture.FrameRate;_videoLength.Clear();_videoLength.Append(_lastEncodedMinutes.ToString("00"));_videoLength.Append(":");_videoLength.Append(_lastEncodedSeconds.ToString("00"));_videoLength.Append(".");_videoLength.Append(_lastEncodedFrame.ToString("000"));}

• 開始錄制： 開始進行Game視圖錄制
• 結束錄制： 結束錄制，錄制結束后，視頻會進進行保存
• 最新錄制： 顯示最近錄制的視頻記錄
• File Size： 當前錄制視頻的文件大小
• Video Length： 當前錄制視頻的時長

2、視頻列表功能

在視頻錄制完成后，會將視頻信息進行保存，當點擊最新錄制會顯示視頻列表窗口，在這里你可以找到所有的最近錄制的視頻記錄。

public class RecordList : MonoBehaviour
{public RecordItem recordItemPre;private List<RecordItem> records = new List<RecordItem>();/// <summary>/// 初始化記錄表/// </summary>/// <param name="saveInfos"></param>public void InitRecordList(List<VideoInfo> videoList){gameObject.SetActive(true);for (int i = 0; i < records.Count; i++){Destroy(records[i].gameObject);}records.Clear();for (int i = 0; i < videoList.Count; i++){RecordItem recordItem = Instantiate(recordItemPre, recordItemPre.transform.parent);recordItem.InitRecordItem(videoList[i]);records.Add(recordItem);recordItem.gameObject.SetActive(true);}}
}

 public class RecordItem : MonoBehaviour{public Text videoName;public Text videoSize;public Text videoLength;public Text lastModifyTime;public Button view;public VideoControl videoControl;private VideoInfo videoInfo;// Start is called before the first frame updatevoid Start(){view.onClick.AddListener(() => {videoControl.VideoControlInit(videoInfo.videoPath);});}/// <summary>/// 初始化記錄表/// </summary>/// <param name="saveInfo"></param>public void InitRecordItem(VideoInfo videoInfo){this.videoInfo = videoInfo;videoName.text = videoInfo.videoName;videoSize.text = (videoInfo.videoSize / (1024f * 1024f)).ToString("F1") + "MB";videoLength.text = (videoInfo.videoLength / 60).ToString("00") + ":" + (videoInfo.videoLength % 60).ToString("00");lastModifyTime.text = videoInfo.lastModifyTime;}}

• 名稱： 視頻名稱
• 大小： 視頻文件大小
• 時長： 視頻時長
• 最后修改： 視頻保存時間
• 查看： 播放視頻

3、視頻播放功能

在視頻列表中，點擊查看按鈕就可以播放該視頻。

public class VideoControl : MonoBehaviour
{public Text title;public VideoPlayer player;public Slider videoSlider;public Button close;public Text videotime;public Text videoLength;string videoPath;private void Update(){if (player.isPlaying){SetCurPlayTime();SetPlaySchedule();}}private void Awake(){player.prepareCompleted += OnPrepareCompleted;}private void OnDestroy(){player.prepareCompleted -= OnPrepareCompleted;}public void VideoControlInit(string videoPath){this.videoPath = videoPath;gameObject.SetActive(true);SetVideoPlayPath(videoPath);PlayVideo();}/// <summary>/// 視頻準備/// </summary>/// <param name="videoSource"></param>private void OnPrepareCompleted(VideoPlayer videoSource){SetVideoName();SetVideoLength();}/// <summary>/// 設置視頻名稱/// </summary>private void SetVideoName(){title.text = Path.GetFileNameWithoutExtension(videoPath);}/// <summary>/// 設置播放器路徑/// </summary>/// <param name="path"></param>public void SetVideoPlayPath(string path){player.url = path;}/// <summary>/// 當前視頻播放時間/// </summary>private void SetCurPlayTime(){videotime.text = TimeProcess(player.time);}/// <summary>/// 設置視頻時長/// </summary>/// <param name="length"></param>private void SetVideoLength(){videoLength.text = TimeProcess(player.length);}/// <summary>/// 設置播放進度/// </summary>private void SetPlaySchedule(){videoSlider.value = (float)player.frame / player.frameCount;}/// <summary>/// 時間處理/// </summary>/// <param name="time"></param>/// <returns></returns>private string TimeProcess(double time){int minutes = (int)time / 60;int seconds = (int)time % 60;return minutes.ToString("00") + ":" + seconds.ToString("00");}/// <summary>/// 視頻播放/// </summary>public void PlayVideo(){player.Play();}
}

視頻播放時，會顯示視頻名稱、時長、當前時間和播放進度

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四、MovieCapture項目地址

項目完整地址：

https://gitcode.com/CTLittleNewbie/ScreenRecord_240520/

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