{

using System;

using System.Collections.Generic;

using System.Text;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using System.Net.Sockets;

using System.Threading;

public enum REPLAY_IPC_ACTION

{

ACTION_PLAY = 0,

ACTION_PAUSE,

ACTION_RESUME,

ACTION_FAST,

ACTION_SLOW,

ACTION_SEEK,

ACTION_FRAMESKIP,

ACTION_STOP,

ACTION_CAPIMG = 10,

ACTION_CHANGE_SOUND,

ACTION_RECV_DECODEPARAM,

};

public struct LANConfig

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] MACAddress;

public int dhcpEnable;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] IPAddress;

public byte[] netMask;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] gateWay;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] DNS1;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] DNS2;

};

public struct StreamAccessConfig

{

public int auth;

public int videoPort;

public int rtpoverrtsp;//added by johnnyling 20090323

public int ptzPort;

public int webPort;

};

public struct UserAccount

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 20)]

public byte[] userName;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 40)]

public byte[] password;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]

public byte[] group;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]

public byte[] status;

};

public struct UserConfig

{

public int count;

[MarshalAs(UnmanagedType.Struct, SizeConst = 20)]

public UserAccount[] accounts;

};

public struct IPC_ENTRY

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]

public byte[] ipc_sn;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]

public byte[] deviceType;

public UserConfig userCfg;

public StreamAccessConfig streamCfg;

public LANConfig lanCfg;

};

//回放时数据头部信息

public struct UpdPackHead

{

public int frame_timestamp;//此帧对应的时间戳，用于音视频同步，一帧中的不同包时间戳相同

public int keyframe_timestamp;//如果是非I帧，记录其前一I帧的timestamp，如果解码器没有收到前面那个I帧，所有非I帧丢掉丢包不解码

public short pack_seq;//包序号-65535，到最大后从开始

public short payload_size;//此包中包含有效数据的长度

public byte pack_type;//0x01第一包，x10最后一包, 0x11第一包也是最后一包，x00中间包

public byte frame_type;//帧类型：I帧，：非I帧

public byte stream_type;//0: video, 1: audio

public byte stream_index;//流ID号

public int frame_index; //新增加字段

};

//用到的结构定义

public struct FRAMNE_INFO

{

public int bIsVideo;

public int bIsKeyFrame;

public double TimeStamp;

};

public struct ALARM_TIME

{

public int year;

public int month;

public int day;

public int wday;

public int hour;

public int minute;

public int second;

};

public struct ALARM_ITEM

{

public ALARM_TIME time;

public int code;

public int flag;

public int level;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]

public byte[] data;

};

public struct IP_NET_DVR_CLIENTINFO

{

public int lChannel;

public int lLinkMode;

public IntPtr hPlayWnd;

public IntPtr sMultiCastIP;

};

public struct IP_NET_DVR_DEVICEINFO

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]

public byte[] sSerialNumber;

public byte byAlarmInPortNum;

public byte byAlarmOutPortNum;

public byte byDiskNum;

public byte byDVRType;

public byte byChanNum;

public byte byStartChan;

};

public struct USRE_VIDEOINFO

{

public int nVideoPort;

public int bIsTcp;

public int nVideoChannle;

public IntPtr pUserData;

};

public enum ERROR_CODE

{

ERR_NOT_FIND_DEVICE = -9000002,

ERR_OPEN_AUDIOCAPTURE_FAIL,

ERR_START_AUDIOCAPTURE_FAIL,

ERR_AUDIO_PARAM_ERROR,//对讲参数不一致

ERR_AUDIO_NOT_START,//对讲未启动

ERR_DEV_NOT_CONNECTED,

ERR_DEV_NOT_LOGIN,

ERR_MSGTYPE_ERROR,

ERR_OUTOFF_MEMORY,

ERR_INIT_SOCKET_ERROR,

ERR_PARAM_ERROR,

ERR_NOT_DEV_EXIST,

ERR_START_THREADERROR,

ERR_NOT_FIND_STREAM,

ERR_ISUPLOADING_ERROR,

ERR_ISDOWNLOADING_ERROR,

ERR_IS_STARTAUDIO_ERROR,

ERR_ISFINISH_ERROR,

ERR_NOT_DOWNLOAD_MODE_ERROR,

ERR_PTZCMD_ACTION_ERROR,

ERR_LOC_FILE_ERROR,

ERR_NOT_REPLAY_MODE_ERROR,

ERR_PLAY_ACTION_ERROR,

ERR_NOT_ALLOW_REPLAY_ERROR,

ERR_MEMORY_SIZE_ERROR,

ERR_XML_FORMAT_ERROR,

ERR_CREATE_SOCKET_ERROR,

ERR_SEND_MODIFYCMD_ERROR,

ERR_NOT_STARTTALK_MODE_ERROR,

ERR_RECORD_MEDIA_PARAM_ERROR,

ERR_RECORD_CREATEERROR,

ERR_RECORD_ISRECORDING,

ERR_RECORD_FILEMAXSECONDS_ERROR,

ERR_RECORD_ALLRECORDSECONDS_ERROR,

ERR_RECORD_NOTRUNNING,

ERR_RECORD_STREAMPARAM_ERROR,

ERR_RECORD_WRITETEMPBUFFER_ERROR,

ERR_RECORD_ISNOTRECORDSTREAM_MODE,

ERR_RECORD_NOTINPUTSTREAM_MODE,

ERR_RECORD_FILEPATH_ERROR,

ERR_DLL_NOINITORRELEASE_ERROR,

ERR_SERIAL_NOT_START,

};

public enum enumNetSatateEvent

{

EVENT_CONNECTING,

EVENT_CONNECTOK,

EVENT_CONNECTFAILED,

EVENT_SOCKETERROR,

EVENT_LOGINOK,

EVENT_LOGINFAILED,

EVENT_STARTAUDIOOK,

EVENT_STARTAUDIOFAILED,

EVENT_STOPAUDIOOK,

EVENT_STOPAUDIOFAILED,

EVENT_SENDPTZOK,

EVENT_SENDPTZFAILED,

EVENT_SENDAUXOK,

EVENT_SENDAUXFAILED,

EVENT_UPLOADOK,

EVENT_UPLOADFAILED,

EVENT_DOWNLOADOK,

EVENT_DOWNLOADFAILED,

EVENT_REMOVEOK,

EVENT_REMOVEFAILED,

EVENT_SENDPTZERROR,

EVENT_PTZPRESETINFO,

EVNET_PTZNOPRESETINFO,

EVENT_PTZALARM,

EVENT_RECVVIDEOPARAM,

EVENT_RECVAUDIOPARAM,

EVENT_CONNECTRTSPERROR,

EVENT_CONNECTRTSPOK,

EVENT_RTSPTHREADEXIT,

EVENT_URLERROR,

EVENT_RECVVIDEOAUDIOPARAM,

EVENT_LOGIN_USERERROR,

EVENT_LOGOUT_FINISH, //登录线程已停止

EVENT_LOGIN_RECONNECT, //进行重新登录

EVENT_LOGIN_HEARTBEAT_LOST, //心跳丢失

EVENT_STARTAUDIO_ISBUSY, //

EVENT_STARTAUDIO_PARAMERROR,

EVENT_STARTAUDIO_AUDIODDISABLED,

EVENT_CONNECT_RTSPSERVER_ERROR,

EVENT_CREATE_RTSPCLIENT_ERROR,

EVENT_GET_RTSP_CMDOPTION_ERROR,

EVENT_RTSP_AUTHERROR,

EVNET_RECORD_FILEBEGIN,

EVENT_RECORD_FILEEND,

EVENT_RECORD_TASKEND,

EVENT_RECORD_DISKFREESPACE_TOOLOW,

EVNET_RECORD_FILEBEGIN_ERROR,

EVNET_RECORD_WRITE_FILE_ERROR,

EVENT_RECORD_INITAVIHEAD_ERROR,

EVENT_RECORD_MEDIA_PARAM_ERROR, //49

EVENT_NVR_CHANNELS,

EVENT_NVR_IPC_STATUS,

EVENT_SYSTEMREBOOT_ANDRELOGINOK,

EVENT_NETWORKRESET_ANDRE

};

public enum PTZ_CMD_TYPE

{

LIGHT_PWRON = 2,// 2 接通灯光电源

WIPER_PWRON,// 3 接通雨刷开关

FAN_PWRON,// 4 接通风扇开关

HEATER_PWRON,// 5 接通加热器开关

AUX_PWRON1,// 6 接通辅助设备开关

AUX_PWRON2,// 7 接通辅助设备开关

ZOOM_IN = 11,// 焦距变大(倍率变大)

ZOOM_OUT, //12 焦距变小(倍率变小)

FOCUS_NEAR, //13 焦点前调

FOCUS_FAR, //14 焦点后调

IRIS_OPEN, //15 光圈扩大

IRIS_CLOSE,// 16 光圈缩小

TILT_UP,// 21 云台上仰

TILT_DOWN, //22 云台下俯

PAN_LEFT,// 23 云台左转

PAN_RIGHT,// 24 云台右转

UP_LEFT,// 25 云台上仰和左转

UP_RIGHT,// 26 云台上仰和右转

DOWN_LEFT, //27 云台下俯和左转

DOWN_RIGHT,// 28 云台下俯和右转

PAN_AUTO,// 29 云台左右自动扫描

STOPACTION

};

public enum PTZ_PRESET_TYPE

{

SET_PRESET = 8,

CLE_PRESET = 9,

GOTO_PRESET = 39

};

public struct VIDEO_PARAM

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] codec;

public int width;

public int height;

public int colorbits;

public int framerate;

public int bitrate;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] vol_data;

public int vol_length;

};

public struct AUDIO_PARAM

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]

public byte[] codec;

public int samplerate;

public int bitspersample;

public int channels;

public int framerate;

public int bitrate;

};

public struct STREAM_AV_PARAM

{

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]

public byte[] ProtocolName; //==AV_FALG

public short bHaveVideo;//0 表示没有视频参数

public short bHaveAudio;//0 表示没有音频参数

public VIDEO_PARAM videoParam;//视频参数

public AUDIO_PARAM audioParam;//音频参数

};

public struct FRAME_EXTDATA

{

public int bIsKey;

public double timestamp;

public IntPtr pUserData;

};

public struct IP_NET_DVR_ALARMER

{

};

public delegate int MSGCallBack(int lCommand, ref IP_NET_DVR_ALARMER pAlarmer, IntPtr pAlarmInfo, int BufLen, IntPtr pUser);

public delegate int StatusEventCallBack(int lUser, int nStateCode, IntPtr pResponse, IntPtr pUser);

public delegate int AUXResponseCallBack(int lUser, int nType, IntPtr pResponse, IntPtr pUser);

public delegate int fVoiceDataCallBack(int lVoiceComHandle, IntPtr pRecvDataBuffer, int dwBufSize, byte byAudioFlag, ref FRAME_EXTDATA pUser);

public delegate int fRealDataCallBack(int lRealHandle, int dwDataType, IntPtr pBuffer, int dwBufSize, ref FRAME_EXTDATA pExtData);

public delegate int fPlayActionEventCallBack(int lUser, int nType, int nFlag, IntPtr pData, IntPtr pUser);

public delegate int fExceptionCallBack(int dwType, int lUserID, int lHandle, IntPtr pUser);

public delegate int fEncodeAudioCallBack(int lType, long lPara1, long lPara2);//add 20130217 play file by zfuwen,lType==0x10000002

public delegate int fSerialDataCallBack(int lUser, IntPtr pRecvDataBuffer, int dwBufSize, IntPtr pUser);

public enum FILE_TYPE

{

LOG_FILE,

RECORD_FILE,

CONFIG_FILE,

UPDATE_FILE

};

public class NETSDKDLL

{

/// <summary>

/// 初始化，调用库前应该先调用此函数

/// </summary>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Init();

/// <summary>

/// 释放所有资源，退出进程前应该调用一次此函数

/// </summary>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Cleanup();

/// <summary>

/// 注意：从V1.0.2.7默认不会自动重连，如果想要设备进行自动重启，要登录设置之前要调用IP_NET_DVR_SetAutoReconnect(0,1)

/// </summary>

/// <param name="lUserID"></param>

/// <param name="bAutoReconnect"></param>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetAutoReconnect(int lUserID, int bAutoReconnect);

/// <summary>

/// 使用于不自动重连模式，调用此函数，设备会再登录一次

/// </summary>

/// <param name="lUserID"></param>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Reconnect(int lUserID);

/// <summary>

/// 登录设备,0表示失败

/// </summary>

/// <param name="sDVRIP"></param>

/// <param name="wDVRPort"></param>

/// <param name="sUserName"></param>

/// <param name="sPassword"></param>

/// <param name="lpDeviceInfo"></param>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Login(string sDVRIP, short wDVRPort, string sUserName, string sPassword, ref IP_NET_DVR_DEVICEINFO lpDeviceInfo);

/// <summary>

/// 退出登录

/// </summary>

/// <param name="lUserID"></param>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Logout(int lUserID);

/// <summary>

/// 退出所有登录，注意：如果同一进程里使用多个时，不要调用此函数，否则所将所有线程里的登录都退出

/// </summary>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_LogoutAll();

//全局callback

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetDVRMessage(UInt32 nMessage, IntPtr hWnd);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetExceptionCallBack(UInt32 nMessage, IntPtr hWnd, fExceptionCallBack cbExceptionCallBack, IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetAUXResponseCallBack(AUXResponseCallBack fAUXCallBack, IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetStatusEventCallBack(StatusEventCallBack fStatusEventCallBack, IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetSDKBuildVersion();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetSDKVersion();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetLogToFile(int bLogEnable, string strLogDir, int bAutoDel);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RealPlay(int lUserID, ref IP_NET_DVR_CLIENTINFO lpClientInfo, fRealDataCallBack cbRealDataCallBack, ref USRE_VIDEOINFO pUser, int bBlocked);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RealPlayEx(string serverip, string user, string pass, fRealDataCallBack cbRealDataCallBack, ref USRE_VIDEOINFO pUser, int bBlocked);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopRealPlay(int lRealHandle);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopAllRealPlay();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetVideoParam(int lRealHandle, ref VIDEO_PARAM pParam);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetAudioParam(int lRealHandle, ref AUDIO_PARAM pParam);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetRealDataCallBack(fRealDataCallBack cbRealDataCallBack, IntPtr dwUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetDVRMessageCallBack(MSGCallBack fMessageCallBack, IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_PTZControl(int lUser, int dwPTZCommand, int nTspeed, int nSpeed);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_PTZPreset(int lUser, int dwPTZPresetCmd, int dwPresetIndex);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_PTZControlEx(int lUser, string pXml);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_FormatDisk(int lUserID, int lDiskNumber);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetFormatProgress(int lFormatHandle, ref int pCurrentFormatDisk, ref int pCurrentDiskPos, ref int pFormatStatic);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_Upgrade(int lUserID, string sFileName);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetUpgradeProgress(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetUpgradeState(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_CloseUpgradeHandle(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_FindDVRLogFile(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RestoreConfig(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetConfigFile(int lUserID, string sFileName);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetConfigFile(int lUserID, string sFileName);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RebootDVR(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_ShutDownDVR(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetDVRConfig(int lUserID, int dwCommand, int lChannel, IntPtr lpOutBuffer, int dwOutBufferSize, ref int lpBytesReturned);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SystemControl(int lUserID, int nCmdValue, int flag, string pXml);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetDVRConfig(int lUserID, int dwCommand, int lChannel, string pXml, int dwInBufferSize);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetDeviceAbility(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_WriteAUXStringEx(int lUserID, string pMsgType, int nCode, int flag, string pXml);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_CreateIFrame(UInt32 lUserId, int bIsSubStream);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetUserData(UInt32 lUserId, IntPtr pOutBuffer, ref int nInOutLen);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetUserData(UInt32 lUserId, IntPtr pBuffer, int len);

//文件上传下载

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetFileByName(int lUserID, int nFileType, string sDVRFileName, string saveDir);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopGetFile(int lFileHandle);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetDownloadState(int lFileHandle);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetDownloadPos(int lFileHandle);

//ipc文件回放

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_ControlPlay(int lUserID, int Action, int param);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetReplayAblity(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_PlayDeviceFile(int lUserID, string filenme);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetReplayDataCallBack(fRealDataCallBack cbReplayDataCallBack, IntPtr dwUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetPlayActionEventCallBack(fPlayActionEventCallBack cbActionCallback, IntPtr dwUser);

//设备搜索功能

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StartSearchIPC();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopSearchIPC();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetSearchIPCCount();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetIPCInfo(int index, ref IPC_ENTRY pIPCInfo);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_ModifyIPC(int index, ref IPC_ENTRY pIPCInfo);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetIPCInfoXML(int index, StringBuilder pXMLInfo, int maxLen);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_ModifyIPCXML(int index, string strXML);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetOneIPAddress(StringBuilder strResult, int nSize);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetNetworkParam(UInt32 nParamIndex, StringBuilder strResult, int nSize);

//广播音频相关(对讲)

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StartTalk(int audiotype, int samplerate, int bitspersample, int channels);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopTalk();

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_AddTalk(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RemoveTalk(int lUserID);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StartVoiceCom(int lUserID, int dwVoiceChan, int bNeedCBNoEncData, fVoiceDataCallBack cbVoiceDataCallBack, IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetVoiceComClientVolume(int lVoiceComHandle, short wVolume);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopVoiceCom(int lVoiceComHandle);

/// <summary>

/// 本地收流式启动录像

/// </summary>

/// <param name="lRealHandle">请求流句柄</param>

/// <param name="fileNameOrPath">录像文件目录或文件名，如果文件名以.avi结尾，则会只录制一个文件，此时nAllRecordMaxSeconds无效，否则会当前目录，当作目录时，会以每nFileMaxSeconds秒录制一个文件录nAllRecordMaxSeconds秒，同时文件会保存到当前日期为目录，录制时间为文件名的文件中</param>

/// <param name="nFileMaxSeconds">单文件最大时间，为10至3600，当为高清时，此值不要超过1800，否则文件可能无法播放，单位秒</param>

/// <param name="nAllRecordMaxSeconds">总共录制多长时间，如果长时间录像，可以设为1年的时间，如24*60*60*360即录制360天，单位秒</param>

/// <returns></returns>

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StartRecord(int lRealHandle, string fileNameOrPath, int nFileMaxSeconds, int nAllRecordMaxSeconds);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopRecord(int lRealHandle);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_GetLastErrorCode(int nType);

[DllImport("NetSDKDLL.dll")]

/// <summary>

/// 外部收流式启动录像

/// </summary>

/// <param name="lRealHandle">解码相关参数，与状态返回事件EVENT_RECVVIDEOAUDIOPARAM中的pResonse参数完全一样</param>

/// <param name="fileNameOrPath">录像文件目录或文件名，如果文件名以.avi结尾，则会只录制一个文件，此时nAllRecordMaxSeconds无效，否则会当前目录，当作目录时，会以每nFileMaxSeconds秒录制一个文件录nAllRecordMaxSeconds秒，同时文件会保存到当前日期为目录，录制时间为文件名的文件中</param>

/// <param name="nFileMaxSeconds">单文件最大时间，为10至3600，当为高清时，此值不要超过1800，否则文件可能无法播放，单位秒</param>

/// <param name="nAllRecordMaxSeconds">总共录制多长时间，如果长时间录像，可以设为1年的时间，如24*60*60*360即录制360天，单位秒</param>

/// <returns></returns>

public static extern int IP_NET_DVR_StartRecordStream(ref STREAM_AV_PARAM pAvParam, string fileNameOrPath, int nFileMaxSeconds, int nAllRecordMaxSeconds);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_InputRecordStream(int lRealHandle, IntPtr pBUffer, int nBufferSize, int isVideo, int isKey, double timestamp);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_StopRecordStream(int lRealHandle);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_AddInviteAudioStream(ref int lUserId);//add 20130219 by zfuwen

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_RemoveInviteAudioStream(int lUserId);//add 20130219 by zfuwen

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SetEncodeAudioCallBack(int lUserId, fEncodeAudioCallBack fnCallBack);//add 20130219 by zfuwen

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SerialStart(int lUserId, fSerialDataCallBack cbSDCallBack,IntPtr pUser);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SerialSend(int lUserId, int lChannel, IntPtr pSendBuf);

[DllImport("NetSDKDLL.dll")]

public static extern int IP_NET_DVR_SerialStop(int lUserId);

}