3.2.13. DMX_GET_PES_PIDS¶
3.2.13.1. Name¶
DMX_GET_PES_PIDS
3.2.13.2. Synopsis¶
-
int
ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])¶
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 |
注釈
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.