6.2.2.9. VIDEO_SET_BLANK¶
6.2.2.9.2. Synopsis¶
-
int
ioctl(fd, VIDEO_SET_BLANK, boolean mode)¶
6.2.2.9.3. Arguments¶
int fd |
File descriptor returned by a previous call to open(). |
int request |
Equals VIDEO_SET_BLANK for this command. |
boolean mode |
TRUE: Blank screen when stop. |
FALSE: Show last decoded frame. |
6.2.2.9.4. Description¶
This ioctl call asks the Video Device to blank out the picture.
6.2.2.9.5. Return Value¶
On success 0 is returned, on error -1 and the errno variable is set
appropriately. The generic error codes are described at the
Generic Error Codes chapter.