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dvbsrc: avoid redundant delsys querying

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There is no need to query the frontend for the list
of supported delivery systems if we are selecting
one from the list of autodetected ones.
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2016-04-11 22:08:03 -07:00
parent 0826e78266
commit 768b0c2696
1 changed files with 23 additions and 20 deletions
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43
sys/dvb/gstdvbsrc.c
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@ -2201,27 +2201,30 @@ gst_dvbsrc_tune_fe (GstDvbSrc * object)
return FALSE;
}
GST_DEBUG_OBJECT (object, "check delivery systems");
dvb_prop[0].cmd = DTV_ENUM_DELSYS;
props.num = 1;
props.props = dvb_prop;
LOOP_WHILE_EINTR (err, ioctl (object->fd_frontend, FE_GET_PROPERTY, &props));
if (err) {
GST_WARNING_OBJECT (object, "Error enumerating delsys: %s",
g_strerror (errno));
return FALSE;
}
/* If there's no delivery system set yet. Choose the
* last from the list of frontend supported ones */
if (object->delsys == SYS_UNDEFINED) {
/* If there's no delivery system set yet, proceed with the autodetected
* one, otherwise confirm the one set is supported */
if (object->delsys == SYS_UNDEFINED)
object->delsys = object->best_guess_delsys;
} else if (!gst_dvbsrc_check_delsys (&dvb_prop[0], object->delsys)) {
GST_WARNING_OBJECT (object, "Delsys fail %u", object->delsys);
return FALSE;
else {
GST_DEBUG_OBJECT (object, "Confirming delsys '%u' is supported",
object->delsys);
dvb_prop[0].cmd = DTV_ENUM_DELSYS;
props.num = 1;
props.props = dvb_prop;
LOOP_WHILE_EINTR (err, ioctl (object->fd_frontend,
FE_GET_PROPERTY, &props));
if (err) {
GST_WARNING_OBJECT (object, "Error enumerating delsys: %s",
g_strerror (errno));
return FALSE;
}
if (!gst_dvbsrc_check_delsys (&dvb_prop[0], object->delsys)) {
GST_WARNING_OBJECT (object, "Adapter does not support delsys '%u'",
object->delsys);
return FALSE;
}
}
gst_dvbsrc_unset_pes_filters (object);