This ioctl is deprecated. Synopsis

int ioctl(int fd, VIDEO_TRY_COMMAND, struct video_command *cmd) Arguments

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

This ioctl is obsolete.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 For V4L2 decoders this ioctl has been replaced by the VIDIOC_TRY_DECODER_CMD ioctl.

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