/// <summary>
/// 开始预览
/// </summary>
/// <returns></returns>
public bool StartPreview(string cameraCode, IntPtr intptr)
{
this.CameraCode = cameraCode;
try
{
int iStreamType = 0; //码流模式，0：主码流 1：子码流
Dictionary <string, object> paramMaps = new Dictionary <string, object>();
paramMaps.Add("cameraIndexCode", this.CameraCode);
paramMaps.Add("streamType", iStreamType);
paramMaps.Add("protocol", "rtsp");
paramMaps.Add("transmode", 1);
paramMaps.Add("expand", "streamform=ps");
string uri = "/artemis/api/video/v1/cameras/previewURLs";
string body = JsonHelper.SerializeObject(paramMaps);
byte[] resultByte = HttpUtillib.HttpPost(uri, body, 20);
string resultStr = Encoding.UTF8.GetString(resultByte);
Result result = JsonHelper.DeserializeJsonToObject <Result>(resultStr);
if (result.Code.Equals("0"))
{
Dictionary <string, object> cameraPreviewResult = JsonHelper.DeserializeJsonToObject <Dictionary <string, object> >(result.Data.ToString());
m_strURL = cameraPreviewResult["url"].ToString();
VIDEO_PLAY_REQ vpr = new VIDEO_PLAY_REQ();
vpr.iHardWareDecode = 0;
vpr.fnStream = _pfnStreamCallback;
vpr.fnMsg = _pfnMsgCallback;
vpr.fnDecodedStream = _pfnDecodeDataCallback;
m_lPlayHandle = ISCSDK.Video_StartPreview(m_strURL, intptr, ref vpr);
return(m_lPlayHandle != -1);
}
}
catch { }
return(false);
}
public static extern long Video_StartPlayback(string pszUrl, IntPtr hWnd, long i64StartTimeStamp, long i64EndTimeStamp, ref VIDEO_PLAY_REQ pstPlayReq);
public static extern long Video_StartPreview(string pszUrl, IntPtr hWnd, ref VIDEO_PLAY_REQ pstPlayReq);
