6.2.2.17. VIDEO_SET_DISPLAY_FORMAT

6.2.2.17.1. Name

VIDEO_SET_DISPLAY_FORMAT

注意

This ioctl is deprecated.

6.2.2.17.2. Synopsis

int ioctl(fd, VIDEO_SET_DISPLAY_FORMAT)

6.2.2.17.3. Arguments

int fd

File descriptor returned by a previous call to open().

int request

Equals VIDEO_SET_DISPLAY_FORMAT for this command.

video_display_format_t format

Selects the video format to be used.

6.2.2.17.4. Description

This ioctl call asks the Video Device to select the video format to be applied by the MPEG chip on the video.

6.2.2.17.5. 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.