6.2.2.12. VIDEO_GET_PTS¶
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This ioctl is obsolete.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this ioctl has been replaced by the V4L2_CID_MPEG_VIDEO_DEC_PTS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.