videoSource.VideoCapabilities[0]
时间: 2024-05-31 10:08:36 浏览: 10
I'm sorry, as an AI language model, I don't have access to any specific video source or object in the real world. Can you please provide more context or information about the videoSource object and its properties?
相关问题
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using AForge; using AForge.Controls; using AForge.Neuro; using AForge.Video; using AForge.Video.DirectShow; using static recharge.Form1; namespace recharge { public partial class Form1 : Form { FilterInfoCollection videoDevices;//摄像头设备集合 VideoCaptureDevice videoSource;//捕获设备源 public int selctedDeviceIndxe = 0; Bitmap img;//处理图片 public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { //先检测电脑所有的摄像头 videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice); MessageBox.Show("检测到了" + videoDevices.ToString() + "个摄像头!"); } // CS0021.cs // compile with: /reference:CPP0021.dll private void pictureBox1_Click(object sender, EventArgs e) { } private void videoSourcePlayer1_Click(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice); selctedDeviceIndxe = 0; videoSource = new VideoCaptureDevice(videoDevices[selctedDeviceIndxe].MonikerString); videoSource.VideoResolution = videoSource.VideoCapabilities[selctedDeviceIndxe]; videoSourcePlayer1.VideoSource = videoSource; videoSourcePlayer1.Start(); img = videoSourcePlayer1.GetCurrentVideoFrame(); } } }
根据您提供的代码,问题出现在 `videoSource = new VideoCaptureDevice(videoDevices[selctedDeviceIndxe].MonikerString);` 这一行,因为 `videoDevices` 是一个 `FilterInfoCollection` 类型的对象,而这个类型不支持通过方括号进行索引操作。
要解决这个问题,您可以使用 `videoDevices[selctedDeviceIndxe]` 的返回值来获取当前选中的 `FilterInfo` 对象,然后再使用它的 `MonikerString` 属性来创建 `VideoCaptureDevice` 对象。修改后的代码如下:
```
FilterInfo selectedDevice = videoDevices[selctedDeviceIndxe];
videoSource = new VideoCaptureDevice(selectedDevice.MonikerString);
videoSource.VideoResolution = videoSource.VideoCapabilities[selectedDevice];
```
这样就可以避免使用带有方括号的索引操作了。希望这可以帮助到您!
videoSource.ProvideSnapshots = true; videoSource.SnapshotFrame += new AForge.Video.NewFrameEventHandler();拍照并且保存到本地代码
以下是使用AForge.NET框架拍照并保存到本地的代码示例:
```csharp
using AForge.Video;
using AForge.Video.DirectShow;
using System.Drawing;
using System.IO;
// 创建视频捕获设备
VideoCaptureDevice videoDevice = new VideoCaptureDevice("设备名称或唯一标识符");
// 设置分辨率和帧速率
videoDevice.VideoResolution = videoDevice.VideoCapabilities.Last();
videoDevice.DesiredFrameSize = new Size(640, 480);
videoDevice.DesiredFrameRate = 30;
// 启动视频捕获设备
videoDevice.Start();
// 设置提供快照
videoDevice.ProvideSnapshots = true;
// 添加快照事件处理程序
videoDevice.SnapshotFrame += (object sender, NewFrameEventArgs eventArgs) => {
// 创建快照图像对象
Image snapshot = (Bitmap)eventArgs.Frame.Clone();
// 保存快照到本地
string snapshotFileName = "snapshot.jpg";
snapshot.Save(snapshotFileName, System.Drawing.Imaging.ImageFormat.Jpeg);
// 释放图像资源
snapshot.Dispose();
};
// 停止视频捕获设备
videoDevice.Stop();
```
以上代码会在视频捕获设备启动后,等待捕获到一帧图像时触发快照事件处理程序,创建快照图像对象并保存到本地。请注意,快照文件名可以根据实际情况更改。