Attach to a video capture unit
#include <gf/gf.h>
int gf_vcap_attach ( gf_vcap_t * pvcap,
gf_dev_t gdev,
unsigned vcap_index,
unsigned flags );
- pvcap
- An address in which the function stores a handle to the video capture unit.
- gdev
- The handle of the graphics device.
- vcap_index
- Index of the desired video capture unit (units are indexed numerically starting at 0).
- flags
- Flags to control behavior; currently no flags are defined.
gf
This function attaches to a video capture unit.
The status of the attach:
- GF_ERR_OK
- Success
- GF_ERR_MEM
- Memory-allocation failure
- GF_ERR_PARM
- The layer index is out of range for the specified display.
- GF_ERR_IODISPLAY
- Error communicating with io-display. Check to ensure io-display is still running. The sloginfo utility may provide more information.
QNX Graphics Framework
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
gf_vcap_detach(),
gf_vcap_disable(),
gf_vcap_enable()