Advantech DVP-7020BE, User Manual

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DVP-7020BE User’s Manual
58
2.5.9 AdvDVP_SetNewFrameCallback
Syntax
int AdvDVP_SetNewFrameCallback(int nDevNum, int
callback)
Parameters
nDevNum: Specifies the device number(0~3).
callback: Callback function.
Callback fumction type:
typedef int (*CAPCALLBACK)( int nID, int nDevNum,
int VMux, int bufsize, BYTE* buf);
nID:
Single video input ID or the
video mux ID. The value of IDs
is showed as following:
#define ID_NEW_FRAME
37810
#define
ID_MUX0_NEW_FRAME 37800
#define
ID_MUX1_NEW_FRAME 37801
#define
ID_MUX2_NEW_FRAME 37802
#define
ID_MUX3_NEW_FRAME 37803
nDevNum: Specifies the device
number(0~3).
VMux:
Specifies the video mux
number(0~3).
bufsize:
An integer pointer of the frame
buffer size.
buf:
A BYTE pointer of the frame buffer.
Return Value