Emgu.CV 播放视频-本地文件/RTSP流

using Emgu.CV;

using System;

using System.Drawing;

using System.Threading;

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

public partial class Form1 : Form

{

Emgu.CV.Capture cap;

public Form1()

{

InitializeComponent();

//cap = new Emgu.CV.Capture("F:\\test.avi");

cap = new Emgu.CV.Capture("rtsp://192.168.1.6.............");

cap.ImageGrabbed += capture_ImageGrabbed;

cap.Start();

}

private delegate void SetPicVideo(Bitmap val);//跨线程修改图片框

private object lockObj = new object();

private Thread SetPicVideoThread;

Bitmap bmpVideo = null;

private void capture_ImageGrabbed(object sender, EventArgs e)

{

try

{

Mat frame = new Mat();

//lock (lockObj)

{

if (cap != null)

{

if (!cap.Retrieve(frame))

{

frame.Dispose();

return;

}

if (frame.IsEmpty)

return;

bmpVideo =  frame.Bitmap;

SetPicVideoThread = new Thread(new ThreadStart(setPicVideo));

SetPicVideoThread.IsBackground = true;

SetPicVideoThread.Start();

}

}

//frame.Dispose();

}

catch (Exception ex)

{

}

}

void SetPic(Bitmap val)

{

if (val != null)

{

this.pictureBox1.Image = val;

}

}

private void setPicVideo()

{

if (pictureBox1.InvokeRequired)

{

SetPicVideo d = new SetPicVideo(SetPic);

object[] arg = new object[] { bmpVideo };//要传入的参数值

this.Invoke(d, arg);

}

else

{

SetPic(bmpVideo);

}

}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)

{

cap.Stop();

}

}

}