7.1.2.15. VIDEO_COMMAND

7.1.2.15.1. Name

VIDEO_COMMAND

7.1.2.15.2. Synopsis

int ioctl(int fd, int request = VIDEO_COMMAND, struct video_command *cmd)

7.1.2.15.3. Arguments

int fd	File descriptor returned by a previous call to open().
int request	Equals VIDEO_COMMAND for this command.
struct video_command *cmd	Commands the decoder.

7.1.2.15.4. Description

This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this ioctl has been replaced by the ioctl VIDIOC_DECODER_CMD, VIDIOC_TRY_DECODER_CMD ioctl.

This ioctl commands the decoder. The video_command struct is a subset of the v4l2_decoder_cmd struct, so refer to the ioctl VIDIOC_DECODER_CMD, VIDIOC_TRY_DECODER_CMD documentation for more information.

7.1.2.15.5. 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.