/// <summary>
/// 设置使用摄像头
/// </summary>
/// <param name="CameraName"></param>
public void BindCamera(string CameraName)
{
if (VerStarPreview())
{
var cameras = XmlHelper.XmlHelper.FindAll <CameraEntity>();
if (cameras?.Count > 0)
{
var oldc = cameras.Find(m => m.Name == this._bindCameraName);
if (oldc != null)
{
oldc.Status = 0;
}
var newc = cameras.Find(m => m.Name == CameraName);
if (newc != null)
{
newc.Status = 1;
}
XmlHelper.XmlHelper.SaveList <CameraEntity>(cameras);
}
BindInfoEntity bindInfo = XmlHelper.XmlHelper.FindByPrimaryKey <BindInfoEntity>(this.BindInfoKey);
if (bindInfo != null)
{
bindInfo.CameraName = CameraName;
//TODO
bindInfo.Save();
}
}
this._bindCameraName = CameraName;
if (VerStarPreview())
{
this.Preview(this._priviewControlHandle, this._priviewControlWidth, this._priviewControlHeigh);
}
}
/// <summary>
/// 使用key方式创建摄像头操作对象
/// </summary>
/// <param name="Key"></param>
/// <returns></returns>
public static TestMulitCamera CreateCamera(string Key)
{
refreshDeviceInfo();
BindInfoEntity bindInfoEntity = XmlHelper.XmlHelper.FindByPrimaryKey <BindInfoEntity>(Key);
if (bindInfoEntity == null)
{
var remindCamera = XmlHelper.XmlHelper.FindAll <CameraEntity>();
var remindAudio = XmlHelper.XmlHelper.FindAll <AudioEntity>();
//找到一个可用的摄像头和可用的音频设备
var idleCamera = remindCamera.Find(m => m.Status == 0);
var idleAudio = remindAudio.Find(m => m.Status == 0);
if (idleCamera == null)
{
throw new Exception("无可用摄像头");
}
if (idleAudio == null)
{
throw new Exception("无可用音频设备");
}
bindInfoEntity = new BindInfoEntity();
bindInfoEntity.Id = Key;
bindInfoEntity.CameraName = idleCamera.Name;
bindInfoEntity.AudioName = idleAudio.Name;
bindInfoEntity.Save();
idleCamera.Status = 1;
idleAudio.Status = 1;
idleCamera.Save();
idleAudio.Save();
}
else
{
var BindCamera = XmlHelper.XmlHelper.FindByPrimaryKey <CameraEntity>(bindInfoEntity.CameraName);
var BindAudio = XmlHelper.XmlHelper.FindByPrimaryKey <AudioEntity>(bindInfoEntity.AudioName);
if (BindCamera.Status == 3 || BindAudio.Status == 3)
{
//TODO 提醒是否更换摄像头或者音频设备
//TODO 现在默认替换摄像头
//找到一个可用的摄像头和可用的音频设备
if (BindCamera.Status == 3)
{
var remindCamera = XmlHelper.XmlHelper.FindAll <CameraEntity>();
var idleCamera = remindCamera.Find(m => m.Status == 0);
if (idleCamera == null)
{
throw new Exception("无可用摄像头");
}
bindInfoEntity.CameraName = idleCamera.Name;
idleCamera.Status = 1;
idleCamera.Save();
}
if (BindAudio.Status == 3)
{
var remindAudio = XmlHelper.XmlHelper.FindAll <AudioEntity>();
var idleAudio = remindAudio.Find(m => m.Status == 0);
if (idleAudio == null)
{
throw new Exception("无可用音频设备");
}
bindInfoEntity.AudioName = idleAudio.Name;
idleAudio.Status = 1;
idleAudio.Save();
}
bindInfoEntity.Save();
}
}
TestMulitCamera testMulitCamera = new TestMulitCamera();
testMulitCamera.BindCamera(bindInfoEntity.CameraName);
testMulitCamera.BindAudio(bindInfoEntity.AudioName);
testMulitCamera.BindInfoKey = Key;
//分辨率不可调用
//testMulitCamera.GetCameraSupportResolution();
List <string> Resolution = GetCameraSupportResolution(bindInfoEntity.CameraName);
//默认使用最高的分辨率
testMulitCamera.SetResolution(Resolution.First());
return(testMulitCamera);
}