static void Main(string[] args)
{
VideoCapture videoCapture;
/*
* Console.WriteLine("Press v key for playing demo video,and Press number key for playing the specified camera with the index.");
* var c = Console.ReadKey();
* if (c.Key== ConsoleKey.V)
* {
* videoCapture = new VideoCapture("monster.mp4");
* }
* else if(c.Key>= ConsoleKey.D0&&c.Key<=ConsoleKey.D9)
* {
* int cameraIndex = c.Key - ConsoleKey.D0;
* videoCapture = new VideoCapture(cameraIndex, VideoCaptureAPIs.DSHOW);
* }
* else
* {
* Console.WriteLine("Invalid input.");
* return;
* }*/
//videoCapture = new VideoCapture(@"E:\主同步盘\我的坚果云\读书笔记及我的文章\技术学习笔记\opencvsharp\yzk真人绿幕~1.mp4");
videoCapture = new VideoCapture(1, VideoCaptureAPIs.DSHOW);
using (videoCapture)
using (Mat frameMat = new Mat())
using (Mat matBg = Cv2.ImRead("bg.png"))
using (var filter = new ReplaceGreenScreenFilter(matBg))
{
filter.GreenScale = 35;
if (videoCapture.CaptureType == CaptureType.Camera)
{
videoCapture.FrameWidth = 800;
videoCapture.FrameHeight = 600;
videoCapture.FourCC = "MJPG";
}
while (true)
{
if (!videoCapture.Read(frameMat))
{
//maybe it is at the end of the video, so play from the start
if (videoCapture.CaptureType == CaptureType.File)
{
videoCapture.PosFrames = 0;
}
continue;
}
filter.Apply(frameMat);
Cv2.ImShow("press any key to quit", frameMat);
//WaitKey() not only reads key from user input,
//but also prevents UI from frozen.
if (Cv2.WaitKey(33) > 0)
{
break;
}
}
}
Cv2.DestroyAllWindows();
}
static void Main(string[] args)
{
Console.WriteLine("Press v key for playing demo video,and Press number key for playing the specified camera with the index.");
var c = Console.ReadKey();
VideoCapture videoCapture;
if (c.Key == ConsoleKey.V)
{
videoCapture = new VideoCapture("monster.mp4");
}
else if (c.Key >= ConsoleKey.D0 && c.Key <= ConsoleKey.D9)
{
int cameraIndex = c.Key - ConsoleKey.D0;
videoCapture = new VideoCapture(cameraIndex, VideoCaptureAPIs.DSHOW);
}
else
{
Console.WriteLine("Invalid input.");
return;
}
using (videoCapture)
using (Mat frameMat = new Mat())
using (Mat matBg = Cv2.ImRead("bg.png"))
using (var filter = new ReplaceGreenScreenFilter(matBg))
{
filter.GreenScale = 35;
if (videoCapture.CaptureType == CaptureType.Camera)
{
videoCapture.FrameWidth = 800;
videoCapture.FrameHeight = 600;
videoCapture.FourCC = "MJPG";
}
while (true)
{
if (!videoCapture.Read(frameMat))
{
continue;
}
filter.Apply(frameMat);
Cv2.ImShow("press any key to quit", frameMat);
//WaitKey() not only reads key from user input,
//but also prevents UI from frozen.
if (Cv2.WaitKey(33) > 0)
{
break;
}
}
}
Cv2.DestroyAllWindows();
}