Sensoray 2255 - Manual (Page 28)

Pointer to last frame
size
size of last frame (if capturing JPEGs)
Returns
0 if frame ready. Non-zero otherwise.
S2255_check_frame_poll_ts(HDEVICE hdev, int channel, int *last, int
*psize, unsigned int *ts);
Returns 0 if frame is ready on given channel. Stores index of last frame in last. Non-blocking.
Parameters
hdev
Handle to device
channel
Channel to check(1-4)
last
Pointer to last frame
size
size of last frame (if capturing JPEGs)
ts
timestamp in ms
Returns
0 if frame ready. Non-zero otherwise.
S2255_check_frame_block(HDEVICE hdev, int channel, int timeout, int
*last, int *psize);
Returns 0 if frame is ready on given channel. Stores index of last frame in last.
Parameters
hdev
Handle to device
channel
Channel to check(1-4)
timeout
Timeout in ms
last
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