public void SaveVideo(int TimeLength)
{
List <Mat> frames = new List <Mat>();
var size = new Size(640, 480);
var start = DateTime.Now;
while ((DateTime.Now - start).TotalMilliseconds < TimeLength / 2)
{
var mat = new Mat();
if (capture.Read(mat))
{
mat = mat.Resize(size);
frames.Add(mat);
System.Threading.Thread.Sleep(1);
}
}
var frame_rate = frames.Count;
var fmt = VideoWriter.FourCC('m', 'p', '4', 'v');
var writer = new VideoWriter(VIDEOFILE_NAME, fmt, frame_rate, size);
for (int i = 0; i < frames.Count; i++)
{
writer.Write(frames[i].Clone());
}
for (int i = frames.Count - 1; i >= 0; i--)
{
writer.Write(frames[i].Clone());
}
writer.Release();
}
private static async Task RecordVideo(string videoname, int seconds)
{
VideoWriter writer = null;
try
{
await Task.Delay(seconds * 1000);
writer = new VideoWriter(videoname, VideoWriter.FourCC('M', 'J', 'P', 'G'), _fps, new Size(CAPTUREWIDTH, CAPTUREHEIGHT), true);
lock (frameLoker)
{
LogUtil.Log($"start write buffer", LogLevel.Info);
foreach (var buffer in matBuffer)
{
writer.Write(buffer);
}
}
LogUtil.Log($"{videoname} Record {seconds} seconds finished", LogLevel.Info);
}
catch (Exception e)
{
LogUtil.LogException(e);
}
finally
{
if (writer != null)
{
writer.Dispose();
}
}
}
static void Main(string[] args)
{
string name = DateTime.Now.ToString("yyyyMMddhhmmss");
Console.WriteLine("开始生成...");
using (VideoWriter videoWriter = new VideoWriter("c:\\test_" + name + ".avi"
, VideoWriter.FourCC('M', 'J', 'P', 'G')
, 1 //每秒播放帧数
, new Size(800, 600), true)) //视频大小
{
string filePath = System.AppDomain.CurrentDomain.BaseDirectory;
DirectoryInfo directoryInfo = new DirectoryInfo(filePath + "\\image");
var filePathList = directoryInfo.GetFiles();
foreach (var item in filePathList)
{
Mat tempCCv = Cv2.ImRead(item.FullName);
Mat result = new Mat();
Cv2.Resize(tempCCv, result, new Size(800, 600));//必须将图片的大小调整为视频的大小
//插入4帧相同的图片
videoWriter.Write(result);
videoWriter.Write(result);
videoWriter.Write(result);
videoWriter.Write(result);
}
videoWriter.Release();
Cv2.DestroyAllWindows();
}
Console.Write("生成完成！路径c:\\test_" + name + ".avi，建议使用Windows Media Player播放");
Console.Read();
}
private void RECstart_Click(object sender, EventArgs e)
{
if (REC.Text.Equals("REC start"))
{
//string recSaveTargetDirectory = @"./REC/" + DateTime.Now.ToString("yyyy-MM-dd");
//if (!System.IO.File.Exists(recSaveTargetDirectory))
//{
// System.IO.Directory.CreateDirectory(recSaveTargetDirectory);
//}
string fileName = initPath() + "Rec.avi";
int codec = VideoWriter.FourCC('M', 'J', 'P', 'G');
double fps = 20.0;
writer.Open(fileName, codec, fps, frame.Size(), true);
REC.Text = "REC stop";
}
else
{
if (writer.IsOpened())
{
writer.Release();
}
REC.Text = "REC start";
}
}
public static void Input()
{
VideoCapture cap = null;
var dic = new Dictionary <FrameInfo, PrintEffectBase>();
Camera cam = null;
string msg = "Enter the command...";
while (true)
{
string[] cmd = Inline(msg, true).Split(" ");
msg = null;
if (cmd[0] == "exit")
{
break;
}
else if (cmd[0] == "load")
{
if (!File.Exists(cmd[1]))
{
Log.Error("The file is not found.");
continue;
}
cap = new VideoCapture(cmd[1]);
Log.Info("Loading OK.");
}
else if (cmd[0] == "unload")
{
cap.Dispose();
Log.Info("Unloading completed.");
}
else if (cmd[0] == "effect")
{
if (cmd[1] == "flip")
{
var fi = new FrameInfo(uint.Parse(cmd[3], SystemLang), uint.Parse(cmd[4], SystemLang));
if (cmd[2] == "X")
{
dic.Add(fi, PrintEffect.FLIP(FlipMode.X));
}
}
}
else if (cmd[0] == "output")
{
Movie.OutputMovie(cmd[1], ".avi", VideoWriter.FourCC('J', 'P', 'E', 'G'), cap, dic);
}
else if (cmd[0] == "cam")
{
if (cam == null)
{
cam = new Camera();
}
if (cmd[1] == "open")
{
cam.Open();
}
else if (cmd[1] == "show" && !cam.IsShow)
{
Task.Run(() => { cam.Show(); });
}
else if (cmd[1] == "close")
{
cam.Close();
}
else
{
continue;
}
Log.Info("Camera " + cmd[1]);
}
else if (cmd[0] == "show")
{
if (cap != null)
{
Task.Run(() => { Show(cap); });
}
}
else
{
Log.Warn("Illegual command : " + cmd[0]);
}
}
cap.Dispose();
cam.Dispose();
}