Advantech DVP-7020BE User Manual page 58

2.5.9 AdvDVP_SetNewFrameCallback
Syntax
int AdvDVP_SetNewFrameCallback(int nDevNum, int
callback)
Parameters
nDevNum:
callback:
Callback fumction type:
typedef int (*CAPCALLBACK)( int nID, int nDevNum,
int VMux, int bufsize, BYTE* buf);
nID:
nDevNum:
number(0~3).
VMux:
number(0~3).
bufsize:
buffer size.
buf:
Return Value
Specifies the device number(0~3).
Callback function.
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
Specifies the device
Specifies the video mux
An integer pointer of the frame
A BYTE pointer of the frame buffer.
58 DVP-7020BE User's Manual