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link: improve renegotiation

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Only suspend an idle node when we need to configure a different format.
This commit is contained in:
Wim Taymans 2017-06-20 12:30:07 +02:00
parent 910318d71f
commit 3b5a308645
20 changed files with 190 additions and 38 deletions
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37
spa/lib/props.c
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@ -310,3 +310,40 @@ spa_props_filter(struct spa_pod_builder *b,
}
return SPA_RESULT_OK;
}
int spa_props_compare(const struct spa_pod *props1,
uint32_t props1_size,
const struct spa_pod *props2,
uint32_t props2_size)
{
const struct spa_pod *pr;
SPA_POD_FOREACH(props1, props1_size, pr) {
struct spa_pod_prop *p1, *p2;
void *a1, *a2;
if (pr->type != SPA_POD_TYPE_PROP)
continue;
p1 = (struct spa_pod_prop *) pr;
if ((p2 = find_prop(props2, props2_size, p1->body.key)) == NULL)
return SPA_RESULT_INCOMPATIBLE_PROPS;
/* incompatible property types */
if (p1->body.value.type != p2->body.value.type)
return SPA_RESULT_INCOMPATIBLE_PROPS;
if (p1->body.flags & SPA_POD_PROP_FLAG_UNSET ||
p2->body.flags & SPA_POD_PROP_FLAG_UNSET)
return SPA_RESULT_INCOMPATIBLE_PROPS;
a1 = SPA_MEMBER(p1, sizeof(struct spa_pod_prop), void);
a2 = SPA_MEMBER(p2, sizeof(struct spa_pod_prop), void);
if (compare_value(p1->body.value.type, a1, a2) != 0)
return SPA_RESULT_INCOMPATIBLE_PROPS;
}
return SPA_RESULT_OK;
}