6.2.2.12. VIDEO_GET_PTS

6.2.2.12.1. Name

VIDEO_GET_PTS

注意

This ioctl is deprecated.

6.2.2.12.2. Synopsis

int ioctl(int fd, VIDEO_GET_PTS, __u64 *pts)

6.2.2.12.3. Arguments

int fd

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

int request

Equals VIDEO_GET_PTS for this command.

__u64 *pts

Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1.

The PTS should belong to the currently played frame if possible, but may also be a value close to it like the PTS of the last decoded frame or the last PTS extracted by the PES parser.

6.2.2.12.4. Description

This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this ioctl has been replaced by the V4L2_CID_MPEG_VIDEO_DEC_PTS control.

This ioctl call asks the Video Device to return the current PTS timestamp.

6.2.2.12.5. 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.