Update video capture unit parameters
int gf_vcap_update (
unsigned flags );
- The handle of the video capture unit, returned by gf_vcap_attach().
- Flags controlling additional behavior. Valid flags are:
- Perform the operation asynchronously; the default behavior is to wait until the current frame has finished being captured before performing the update.
This function updates a video capture unit's parameters. Changes made to a capture unit via the gf_vcap_set_*() set of functions are enqueued and do not take effect until you explicitly call this function.
The status of the operation:
- Error communicating with io-display. Check to ensure io-display is still running. The sloginfo utility may provide more information.
QNX Graphics Framework