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pod: handle various ways of making empty array/choice

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Make it possible to make empty array/choice
Handle empty array/choice
Add some tests to make empty arrays/choice objects
This commit is contained in:
Wim Taymans 2021-01-25 10:53:55 +01:00
parent c913abffef
commit ebf324590b
4 changed files with 83 additions and 4 deletions
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11
spa/include/spa/pod/builder.h
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@ -168,6 +168,10 @@ static inline void *spa_pod_builder_pop(struct spa_pod_builder *builder, struct
{
struct spa_pod *pod;
if (SPA_FLAG_IS_SET(builder->state.flags, SPA_POD_BUILDER_FLAG_FIRST)) {
const struct spa_pod p = { 0, SPA_TYPE_None };
spa_pod_builder_raw(builder, &p, sizeof(p));
}
if ((pod = (struct spa_pod*)spa_pod_builder_frame(builder, frame)) != NULL)
*pod = frame->pod;
@ -209,6 +213,13 @@ static inline int spa_pod_builder_none(struct spa_pod_builder *builder)
return spa_pod_builder_primitive(builder, &p);
}
static inline int spa_pod_builder_child(struct spa_pod_builder *builder, uint32_t size, uint32_t type)
{
const struct spa_pod p = SPA_POD_INIT(size,type);
SPA_FLAG_CLEAR(builder->state.flags, SPA_POD_BUILDER_FLAG_FIRST);
return spa_pod_builder_raw(builder, &p, sizeof(p));
}
#define SPA_POD_INIT_Bool(val) (struct spa_pod_bool){ { sizeof(uint32_t), SPA_TYPE_Bool }, val ? 1 : 0, 0 }
static inline int spa_pod_builder_bool(struct spa_pod_builder *builder, bool val)