今天測試同步播放兩支影片
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using System;
using System.Threading;
using Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Structure;
using System.Windows.Forms;
namespace WaferPositioning
{
// 同時播放兩支影片
public class DualVideoPlayer
{
private VideoCapture capture1;
private VideoCapture capture2;
private ManualResetEvent pauseEvent = new ManualResetEvent(true);
private bool stopThreads = false;
public event EventHandler<FrameReadyEventArgs> FrameReady;
public DualVideoPlayer(string videoFile1, string videoFile2)
{
capture1 = new VideoCapture(videoFile1);
capture2 = new VideoCapture(videoFile2);
}
public void Start()
{
stopThreads = false;
pauseEvent.Set(); // Resume if paused
ThreadPool.QueueUserWorkItem(o => StartVideoPlayback());
}
public void Pause()
{
pauseEvent.Reset(); // Pause playback
}
public void Resume()
{
pauseEvent.Set(); // Resume playback
}
public void Stop()
{
stopThreads = true;
pauseEvent.Set(); // Resume if paused
}
private void StartVideoPlayback()
{
while (!stopThreads)
{
pauseEvent.WaitOne(); // Pause if signaled
Mat frame1 = new Mat();
Mat frame2 = new Mat();
// Read frames from the video captures
capture1.Read(frame1);
capture2.Read(frame2);
if (!frame1.IsEmpty && !frame2.IsEmpty)
{
FrameReady?.Invoke(this, new FrameReadyEventArgs(frame1, frame2));
}
else
{
// End of video, you may want to stop or loop the playback
capture1.Set(CapProp.PosFrames, 0);
capture2.Set(CapProp.PosFrames, 0);
}
Thread.Sleep(33);
Application.DoEvents(); // Allow UI events to be processed
}
}
}
public class FrameReadyEventArgs : EventArgs
{
public Mat Frame1 { get; }
public Mat Frame2 { get; }
public FrameReadyEventArgs(Mat frame1, Mat frame2)
{
Frame1 = frame1;
Frame2 = frame2;
}
}
}
