Sensoray 812 Windows - Manual (Page 16)

MID812_API int S812_RegisterCallback(
cbfunc_t callback_function_video,
cbfunc_t callback_function_audio,
int devid,
int strmidx
);
Registers a callback function for video and/or audio. Use NULL if callback is not desired.
Parameters
callback_function_video
callback function for video or NULL if none. See header file for definition of cbfunc_t
function.
callback_function_audio
callback function for audio or NULL if none. See header file for definition of cbfunc_t
function.
devid
device id in the system (use 0 with a single board installed).
strmidx
channel index (0-7)
Returns
0 on success, negative value if error (see mid812types.h for error codes list).
MID812_API int S812_StartPreviewAndRecord(
char *fileName,
int devid,
int strmidx
);
Starts recording to a file with video preview. Please see preview in the function summary for more
information about preview. It is not recommended to record more than one stream at a time using
this function.
Parameters
fileName
full path to the target file, no extension.
devid
device id in the system (use 0 with a single board installed).
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