| .. -*- coding: utf-8; mode: rst -*- |
| |
| .. _AUDIO_GET_PTS: |
| |
| ============= |
| AUDIO_GET_PTS |
| ============= |
| |
| NAME |
| ---- |
| |
| AUDIO_GET_PTS |
| |
| SYNOPSIS |
| -------- |
| |
| .. c:function:: int ioctl(int fd, int request = AUDIO_GET_PTS, __u64 *pts) |
| |
| |
| ARGUMENTS |
| --------- |
| |
| .. flat-table:: |
| :header-rows: 0 |
| :stub-columns: 0 |
| |
| |
| - .. row 1 |
| |
| - int fd |
| |
| - File descriptor returned by a previous call to open(). |
| |
| - .. row 2 |
| |
| - int request |
| |
| - Equals AUDIO_GET_PTS for this command. |
| |
| - .. row 3 |
| |
| - __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. |
| |
| |
| DESCRIPTION |
| ----------- |
| |
| This ioctl is obsolete. Do not use in new drivers. If you need this |
| functionality, then please contact the linux-media mailing list |
| (`https://linuxtv.org/lists.php <https://linuxtv.org/lists.php>`__). |
| |
| This ioctl call asks the Audio Device to return the current PTS |
| timestamp. |
| |
| |
| 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 |
| :ref:`Generic Error Codes <gen-errors>` chapter. |