6.2.2.10. VIDEO_GET_STATUS¶
6.2.2.10.2. Synopsis¶
-
int
ioctl
(fd, VIDEO_GET_STATUS, struct video_status *status)¶
6.2.2.10.3. Arguments¶
int fd | File descriptor returned by a previous call to open(). |
int request | Equals VIDEO_GET_STATUS for this command. |
struct video_status *status | Returns the current status of the Video Device. |
6.2.2.10.4. Description¶
This ioctl call asks the Video Device to return the current status of the device.
-
video_status
¶
struct video_status {
int video_blank; /* blank video on freeze? */
video_play_state_t play_state; /* current state of playback */
video_stream_source_t stream_source; /* current source (demux/memory) */
video_format_t video_format; /* current aspect ratio of stream*/
video_displayformat_t display_format;/* selected cropping mode */
};
6.2.2.10.5. 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.