public static extern int Remote_Snapshot_GetSnapshotPicture(int p_hHandle, ref ST_RemoteSnapshotParam p_pstRemoteSnapshotParam, ref ST_AVFrameData p_pstAVFrameData);
/// <summary>
/// 抓拍图片
/// </summary>
/// <param name="path"></param>
/// <param name="timeout">超时时间(ms)</param>
/// <returns></returns>
public override bool SnapShotTo(ref string path, int timeout, bool force)
{
bool success = false;
ST_AVFrameData stAVFrameData = new ST_AVFrameData();
try
{
lock (_StatusLock)
{
//在初始化时设置超时时间了，这里就不再设置超时时间了
//int nRet = InitRemoteLivePlayer2.Remote_Snapshot_SetTimeout(nHandle, timeout);
//在这里打开远程抓拍，是因为当打开远程抓拍后，如果一段时间内不进行抓拍动作，再进行抓拍时会报错
//所以在这里打开远程抓拍，并且抓拍完成后，需关闭远程抓拍
int nRet = InitRemoteLivePlayer2.Remote_Snapshot_Open(nHandle);
if (nRet == 0)
{
ST_RemoteSnapshotParam stRemoteSnapshotParam = new ST_RemoteSnapshotParam();
//stRemoteSnapshotParam.nCameraID = this.VideoSource.Channel;
//这里设置nCameraID为1，是因为IP Camera设备只有一个Camera，所以固定设为1
stRemoteSnapshotParam.nCameraID = 1;
stRemoteSnapshotParam.nQuality = 5;
stRemoteSnapshotParam.nPhotoFormat = 1;// PHOTOFORMAT_JPEG
nRet = InitRemoteLivePlayer2.Remote_Snapshot_GetSnapshotPicture(nHandle, ref stRemoteSnapshotParam, ref stAVFrameData);
if (nRet != 0)
{
if (Ralid.Park.BusinessModel.Configuration.AppSettings.CurrentSetting.Debug)
{
string logmsg = string.Format("【{0}】远程抓拍失败 ", this.VideoSource.VideoName);
logmsg += " 错误代码：" + nRet;
logmsg += " 错误信息：" + GetErrMessage(nRet);
Ralid.GeneralLibrary.LOG.FileLog.Log("FrmSnapShoter", logmsg);
}
}
}
else
{
if (Ralid.Park.BusinessModel.Configuration.AppSettings.CurrentSetting.Debug)
{
string logmsg = string.Format("【{0}】打开远程抓拍失败 ", this.VideoSource.VideoName);
logmsg += " 错误代码：" + nRet;
logmsg += " 错误信息：" + GetErrMessage(nRet);
Ralid.GeneralLibrary.LOG.FileLog.Log("FrmSnapShoter", logmsg);
}
}
if (nRet == 0)
{
byte[] data = new byte[stAVFrameData.nDataLength];
System.Runtime.InteropServices.Marshal.Copy(stAVFrameData.pszData, data, 0, stAVFrameData.nDataLength);
File.WriteAllBytes(path, data);
}
//关闭远程抓拍
nRet = InitRemoteLivePlayer2.Remote_Snapshot_Close(nHandle);
if (nRet != 0)
{
if (Ralid.Park.BusinessModel.Configuration.AppSettings.CurrentSetting.Debug)
{
string logmsg = string.Format("【{0}】关闭远程抓拍失败 ", this.VideoSource.VideoName);
logmsg += " 错误代码：" + nRet;
logmsg += " 错误信息：" + GetErrMessage(nRet);
Ralid.GeneralLibrary.LOG.FileLog.Log("FrmSnapShoter", logmsg);
}
}
return(File.Exists(path));
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(success);
}