private static void WriteProperty(VideoCaptureDevice device, VideoProcAmpProperty property, CameraProperty value)
{
if (!value.Supported)
{
return;
}
try
{
VideoProcAmpFlags flags = value.Automatic ? VideoProcAmpFlags.Auto : VideoProcAmpFlags.Manual;
int v;
bool parsed = int.TryParse(value.CurrentValue, NumberStyles.Any, CultureInfo.InvariantCulture, out v);
if (parsed)
{
device.SetVideoProperty(property, v, flags);
}
else
{
log.ErrorFormat("Could not parse property {0}, value: {1}.", value.Identifier, value.CurrentValue);
}
}
catch (Exception e)
{
log.ErrorFormat("Could not write property {0}. {1}.", value.Identifier, e.Message);
}
}
private static void WriteProperty(VideoCaptureDevice device, VideoProcAmpProperty property, CameraProperty value)
{
VideoProcAmpFlags flags = value.Automatic ? VideoProcAmpFlags.Auto : VideoProcAmpFlags.Manual;
int v = int.Parse(value.CurrentValue, CultureInfo.InvariantCulture);
device.SetVideoProperty(property, v, flags);
}
public void SetBrightness(int val, VideoProcAmpFlags flags = VideoProcAmpFlags.Manual)
{
if (_values["Brightness"] != val)
{
_videoSource.SetVideoProperty(VideoProcAmpProperty.Brightness, val, flags);
_values["Brightness"] = val;
}
}
private void BtnStart_Click(object sender, EventArgs e)
{
if (textBox1.Text == "" || comboBoxAttachedCameras.Text == "" || comboBoxSupportedModes.Text == "")
{
MessageBox.Show("未選擇儲存路徑 or 未選擇相機 or 未選擇解析度");
}
else if (BtnStart.Text == "開啟相機")
{
FinalVideo.SetVideoProperty(VideoProcAmpProperty.Brightness, 128, VideoProcAmpFlags.Manual); // 亮度
FinalVideo.SetVideoProperty(VideoProcAmpProperty.Contrast, 128, VideoProcAmpFlags.Manual); // 對比
FinalVideo.SetVideoProperty(VideoProcAmpProperty.Saturation, 128, VideoProcAmpFlags.Manual); // 飽和度
FinalVideo.SetVideoProperty(VideoProcAmpProperty.WhiteBalance, 5500, VideoProcAmpFlags.Manual); // 白平衡
FinalVideo.SetVideoProperty(VideoProcAmpProperty.BacklightCompensation, 0, VideoProcAmpFlags.Manual); // 背光補償
FinalVideo.SetVideoProperty(VideoProcAmpProperty.Gain, 0, VideoProcAmpFlags.Manual); // 增益
FinalVideo.SetVideoProperty(VideoProcAmpProperty.KSPROPERTY_VIDEOPROCAMP_POWERLINE_FREQUENCY, 2, VideoProcAmpFlags.Manual); // 電源基線
FinalVideo.SetCameraProperty(CameraControlProperty.Zoom, 100, CameraControlFlags.Manual); // 縮放
FinalVideo.SetCameraProperty(CameraControlProperty.Focus, 0, CameraControlFlags.Manual); // 焦距
FinalVideo.SetCameraProperty(CameraControlProperty.Exposure, -5, CameraControlFlags.Manual); // 曝光度
FinalVideo.SetCameraProperty(CameraControlProperty.Pan, 0, CameraControlFlags.Manual); // 取景位置調整
FinalVideo.SetCameraProperty(CameraControlProperty.Tilt, 0, CameraControlFlags.Manual); // 傾斜
FinalVideo.SetCameraProperty(CameraControlProperty.KSPROPERTY_CAMERACONTROL_AUTO_EXPOSURE_PRIORITY, 0, CameraControlFlags.Manual); // 弱光補償
FinalVideo.VideoResolution = FinalVideo.VideoCapabilities[comboBoxSupportedModes.SelectedIndex];
Btnsetcamera.Enabled = true;
rect = new Rectangle(FinalVideo.VideoResolution.FrameSize.Width / 2 - 175, FinalVideo.VideoResolution.FrameSize.Height / 2 - 200, 350, 400);
FinalVideo.Start();
t.Start();
BtnStart.Text = "關閉相機";
BtnStart.Enabled = false;
comboBoxAttachedCameras.Enabled = false;
comboBoxSupportedModes.Enabled = false;
label4.Visible = true;
}
}
