Sensoray 2253 Windows - Manual (Page 18)

strmidx
stream index (0 or 1).
S2253_StartSnapshot
MID2253_API int __stdcall S2253_StartSnapshot (
int devid,
int strmidx);
Starts a snapshot stream. Device will stream and samples will be buffered
until S2253_GetSample is called. Stream will not be previewed or recorded.
Stop stream with S2253_StopStream. Snapshot stream is independent from
preview or record stream. Snapshots can still be obtained with preview or
record by using S2253_EnableSnapshot.
devid
device id in the system (use 0 with a single board installed).
strmidx
stream index (0 or 1).
S2253_GetSample
MID2253_API int __stdcall S2253_GetSample (
unsigned char *data,
unsigned int inlen,
unsigned int *outlen,
int timeout,
int devid,
int strmidx);
Grabs sample data from a snapshot stream started with
S2253_StartSnapshot, S2253_StartPreview or S2253_StartRecord.
S2253_GetSample is used only for uncompressed (UYVY, Y800) or
MJPEG streams.
data
a pointer to the sample data buffer.
inlen
length of data buffer.
outlen
pointer to the length of data copied.
timeout
how long to wait in milliseconds for next frame if data not available. Use 0
for non-blocking operation.
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