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v4l2: implement setting controls

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This commit is contained in:
Wim Taymans 2022-10-31 11:33:45 +01:00
parent c5f7d3a728
commit 71d58e6445
2 changed files with 99 additions and 22 deletions
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21
spa/plugins/v4l2/v4l2-source.c
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@ -266,14 +266,29 @@ static int impl_node_set_param(void *object,
case SPA_PARAM_Props:
{
struct props *p = &this->props;
struct spa_pod_object *obj = (struct spa_pod_object *) param;
struct spa_pod_prop *prop;
int res = 0;
if (param == NULL) {
reset_props(p);
return 0;
}
spa_pod_parse_object(param,
SPA_TYPE_OBJECT_Props, NULL,
SPA_PROP_device, SPA_POD_OPT_Stringn(p->device, sizeof(p->device)));
SPA_POD_OBJECT_FOREACH(obj, prop) {
switch (prop->key) {
case SPA_PROP_device:
strncpy(p->device,
(char *)SPA_POD_CONTENTS(struct spa_pod_string, &prop->value),
sizeof(p->device)-1);
break;
default:
res = spa_v4l2_set_control(this, prop->key, prop);
break;
}
if (res < 0)
return res;
}
break;
}
default: