6.2.2.16. VIDEO_GET_SIZE

6.2.2.16.1. Name

VIDEO_GET_SIZE

注意

This ioctl is deprecated.

6.2.2.16.2. Synopsis

int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)

6.2.2.16.3. Arguments

int fd

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

int request

Equals VIDEO_GET_SIZE for this command.

video_size_t *size

Returns the size and aspect ratio.

6.2.2.16.4. Description

This ioctl returns the size and aspect ratio.

video_size_t

6.2.2.16.5. 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.