Allocate session

Typedefs
typedef void(CALLBACK *	OpenSDK_MessageHandler) (const char *szSessionId, unsigned int iMsgType, unsigned int iErrorCode, const char *pMessageInfo, void *pUser)
	Message callback. More...

Functions
OPENSDK_API OPENSDK_RESULT CALLBACK	OpenSDK_AllocSessionEx (OpenSDK_MessageHandler pHandle, void *pUser, char **pSession, int *iSessionLen)
	Apply a session ID. More...
OPENSDK_API OPENSDK_RESULT CALLBACK	OpenSDK_FreeSession (const char *szSessionId)
	Destroy SDk handle. More...
OPENSDK_API void CALLBACK	OpenSDK_SetSessionConfig (const char *szSessionId, ConfigKey iKey, const int iValue)
	Configuring configuration information for Session, configured according to ConfigKey, before calling the stream. More...

Detailed Description

Typedef Documentation

typedef void(CALLBACK * OpenSDK_MessageHandler) (const char *szSessionId, unsigned int iMsgType, unsigned int iErrorCode, const char *pMessageInfo, void *pUser)

Message callback.

Parameters

szSessionId	Applied session ID
iMsgType	Message No. MessageType
iErrorCode	Error code OpenNetStreamError.h
pMessageInfo	Message
pUser	User-defined data

Note

The functions of APIs include live view, playback, recording file search, arm and disarm, PTZ control and two-way audio For example, for the recording file search API, when 'iMsgType == INS_RECORD_FIL', the pMessageInfo format is as below:

{
    "FileSize":10, 
    "FileList": [
        {
            "StartTime":"",
            "EndTime":""
        }
    ]
}

See also

OpenSDK_AllocSession()

Function Documentation

OPENSDK_API OPENSDK_RESULT CALLBACK OpenSDK_AllocSessionEx	(	OpenSDK_MessageHandler	pHandle,
		void *	pUser,
		char **	pSession,
		int *	iSessionLen
	)

Apply a session ID.

Parameters

[in]	pHandle	Set callback function, OpenSDK_MessageHandler
[in]	pUser	User-defined data will be thrown out at pHandle
[out]	pSession	Used to receive the allocated session ID
[out]	iSessionLen	Length of pSession

Returns

Return 0 on success, -1 on failure

See also

OpenSDK_FreeSession()

OPENSDK_API OPENSDK_RESULT CALLBACK OpenSDK_FreeSession

(

const char *

szSessionId

)

Destroy SDk handle.

Parameters

[in]

szSessionId

Session ID, create through OpenSDK_AllocSession()

Returns

Return 0 on success, -1 on failure

See also

OpenSDK_AllocSession()

OPENSDK_API void CALLBACK OpenSDK_SetSessionConfig	(	const char *	szSessionId,
		ConfigKey	iKey,
		const int	iValue
	)

Configuring configuration information for Session, configured according to ConfigKey, before calling the stream.

Parameters

[in]	iKey	ConfigKey, Configuration type
[in]	iValue	Configuration value,when key=CONFIG_OPEN_STREAMTRANS, value=1 means The output of the stream data is transferred to the package for video storage

Returns

See also