c# AForge.NET - how to save video from camera to file
22,187
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using AForge.Video;
using AForge.Video.DirectShow;
using AForge.Video.FFMPEG;
using AForge.Video.VFW;
namespace WindowsFormsApplication12
{
public partial class Form1 : Form
{
private FilterInfoCollection VideoCaptureDevices;
private VideoCaptureDevice FinalVideo = null;
private VideoCaptureDeviceForm captureDevice;
private Bitmap video;
//private AVIWriter AVIwriter = new AVIWriter();
private VideoFileWriter FileWriter = new VideoFileWriter();
private SaveFileDialog saveAvi;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
VideoCaptureDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
captureDevice = new VideoCaptureDeviceForm();
}
private void button1_Click(object sender, EventArgs e)
{
if (captureDevice.ShowDialog(this) == DialogResult.OK)
{
//VideoCaptureDevice videoSource = captureDevice.VideoDevice;
FinalVideo = captureDevice.VideoDevice;
FinalVideo.NewFrame += new NewFrameEventHandler(FinalVideo_NewFrame);
FinalVideo.Start();
}
}
void FinalVideo_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
if (butStop.Text == "Stop Record")
{
video = (Bitmap)eventArgs.Frame.Clone();
pictureBox1.Image = (Bitmap)eventArgs.Frame.Clone();
//AVIwriter.Quality = 0;
FileWriter.WriteVideoFrame(video);
//AVIwriter.AddFrame(video);
}
else
{
video = (Bitmap)eventArgs.Frame.Clone();
pictureBox1.Image = (Bitmap)eventArgs.Frame.Clone();
}
}
private void button2_Click(object sender, EventArgs e)
{
saveAvi = new SaveFileDialog();
saveAvi.Filter = "Avi Files (*.avi)|*.avi";
if (saveAvi.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
int h = captureDevice.VideoDevice.VideoResolution.FrameSize.Height;
int w = captureDevice.VideoDevice.VideoResolution.FrameSize.Width;
FileWriter.Open(saveAvi.FileName, w, h, 25, VideoCodec.Default, 5000000);
FileWriter.WriteVideoFrame(video);
//AVIwriter.Open(saveAvi.FileName, w, h);
butStop.Text = "Stop Record";
//FinalVideo = captureDevice.VideoDevice;
//FinalVideo.NewFrame += new NewFrameEventHandler(FinalVideo_NewFrame);
//FinalVideo.Start();
}
}
private void butStop_Click(object sender, EventArgs e)
{
if (butStop.Text == "Stop Record")
{
butStop.Text = "Stop";
if (FinalVideo == null)
{ return; }
if (FinalVideo.IsRunning)
{
//this.FinalVideo.Stop();
FileWriter.Close();
//this.AVIwriter.Close();
pictureBox1.Image = null;
}
}
else
{
this.FinalVideo.Stop();
FileWriter.Close();
//this.AVIwriter.Close();
pictureBox1.Image = null;
}
}
private void button3_Click(object sender, EventArgs e)
{
pictureBox1.Image.Save("IMG" + DateTime.Now.ToString("hhmmss") + ".jpg");
}
private void button4_Click(object sender, EventArgs e)
{
this.Close();
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (FinalVideo == null)
{ return; }
if (FinalVideo.IsRunning)
{
this.FinalVideo.Stop();
FileWriter.Close();
//this.AVIwriter.Close();
}
}
}
}
in this way ;)
![Admin](/assets/logo_square_200-5d0d61d6853298bd2a4fe063103715b4daf2819fc21225efa21dfb93e61952ea.png)
Author by
Admin
Updated on September 16, 2020Comments
-
Admin almost 4 years
I need some help with saving video from laptop camera to file. Now i use code to search video devices and previous video on pictureBox. I've tried with AVIFileWrite but I failed. How to use VideoFileWriter to achive my goal??
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using AForge.Video; using AForge.Video.DirectShow; using AForge.Video.FFMPEG; using System.IO; using AForge.Video.VFW; using System.Drawing.Imaging; namespace VideoCapture { public partial class Form1 : Form { private FilterInfoCollection VideoCaptureDevices; private VideoCaptureDevice FinalVideo; public static Bitmap _latestFrame; //private VideoFileWriter writer; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { VideoCaptureDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice); foreach (FilterInfo VideoCaptureDevice in VideoCaptureDevices) { comboBox1.Items.Add(VideoCaptureDevice.Name); } comboBox1.SelectedIndex = 0; } private void button1_Click(object sender, EventArgs e) { FinalVideo = new VideoCaptureDevice(VideoCaptureDevices[comboBox1.SelectedIndex].MonikerString); FinalVideo.NewFrame += new NewFrameEventHandler(FinalVideo_NewFrame); FinalVideo.Start(); } void FinalVideo_NewFrame(object sender, NewFrameEventArgs eventArgs) { Bitmap video = (Bitmap)eventArgs.Frame.Clone(); pictureBox1.Image = video; //int width = 640; //int height = 480; //VideoFileWriter writer = new VideoFileWriter(); //writer.Open(@"c:\video.avi", width, height, 25, VideoCodec.Default, 1000000); //for (int i = 0; i < 1000; i++) //{ // writer.WriteVideoFrame(video); //} //writer.Close(); //Bitmap image = new Bitmap(width, height, PixelFormat.Format24bppRgb); //writer.WriteVideoFrame(image); //MessageBox.Show("jest"); } private void button2_Click(object sender, EventArgs e) { if (FinalVideo.IsRunning) { FinalVideo.Stop(); } } private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (FinalVideo.IsRunning == true) FinalVideo.Stop(); } private void timer1_Tick(object sender, EventArgs e) { label1.Text = "Device running..." + FinalVideo.FramesReceived.ToString() + " FPS"; } }
}