3.2.13. DMX_GET_PES_PIDS

3.2.13.1. Name

DMX_GET_PES_PIDS

3.2.13.2. Synopsis

DMX_GET_PES_PIDS

int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])

3.2.13.3. Arguments

fd

File descriptor returned by open().

pids

Array used to store 5 Program IDs.

3.2.13.4. Description

This ioctl allows to query a DVB device to return the first PID used by audio, video, textext, subtitle and PCR programs on a given service. They're stored as:

PID element

position

content

pids[DMX_PES_AUDIO]

0

first audio PID

pids[DMX_PES_VIDEO]

1

first video PID

pids[DMX_PES_TELETEXT]

2

first teletext PID

pids[DMX_PES_SUBTITLE]

3

first subtitle PID

pids[DMX_PES_PCR]

4

first Program Clock Reference PID

Note

A value equal to 0xffff means that the PID was not filled by the Kernel.

3.2.13.5. Return Value

On success 0 is returned.

On error -1 is returned, and the errno variable is set appropriately.

The generic error codes are described at the Generic Error Codes chapter.