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v4l2: warn when control fails

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This commit is contained in:
Wim Taymans 2019-06-26 06:13:25 -04:00
parent f19ca292e8
commit 15b6c7ef7e
1 changed files with 4 additions and 1 deletions
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5
spa/plugins/v4l2/v4l2-utils.c
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@ -1081,7 +1081,7 @@ spa_v4l2_enum_controls(struct impl *this, int seq,
port->controls[port->n_controls].ctrl_id = ctrl_id; port->controls[port->n_controls].ctrl_id = ctrl_id;
port->controls[port->n_controls].value = queryctrl.default_value; port->controls[port->n_controls].value = queryctrl.default_value;
spa_log_debug(this->log, "Control %s %d %d", queryctrl.name, prop_id, ctrl_id); spa_log_debug(this->log, "Control '%s' %d %d", queryctrl.name, prop_id, ctrl_id);
port->n_controls++; port->n_controls++;
@ -1130,6 +1130,9 @@ spa_v4l2_enum_controls(struct impl *this, int seq,
} }
spa_pod_builder_pop(&b, &f[1]); spa_pod_builder_pop(&b, &f[1]);
param = spa_pod_builder_pop(&b, &f[0]); param = spa_pod_builder_pop(&b, &f[0]);
if (param == NULL)
spa_log_warn(this->log, "can't create Control '%s' overflow %d",
queryctrl.name, b.state.offset);
break; break;
} }
case V4L2_CTRL_TYPE_INTEGER_MENU: case V4L2_CTRL_TYPE_INTEGER_MENU: