int ioctl(fd, DMX_ADD_PID, __u16 *pid)
File descriptor returned by open().
PID number to be filtered.
This ioctl call allows to add multiple PIDs to a transport stream filter
previously set up with DMX_SET_PES_FILTER and output equal to
On success 0 is returned.
On error -1 is returned, and the errno variable is set
Generic error codes are described at the
Generic Error Codes chapter.