6.2.2.9. VIDEO_SET_BLANK

6.2.2.9.1. Name

VIDEO_SET_BLANK

注意

This ioctl is deprecated.

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.