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pod: add a function to return the min size of a type

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This commit is contained in:
Wim Taymans 2025-07-22 13:13:05 +02:00
parent a03bbc79fe
commit 0a52f959ac
1 changed files with 43 additions and 0 deletions
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43
spa/include/spa/pod/iter.h
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@ -44,6 +44,49 @@ struct spa_pod_frame {
#define SPA_POD_CHECK(pod,_type,_size) \ #define SPA_POD_CHECK(pod,_type,_size) \
(SPA_POD_CHECK_TYPE(pod,_type) && (pod)->size >= (_size)) (SPA_POD_CHECK_TYPE(pod,_type) && (pod)->size >= (_size))
SPA_API_POD_ITER uint32_t spa_pod_type_size(uint32_t type)
{
switch (type) {
case SPA_TYPE_None:
case SPA_TYPE_Bytes:
case SPA_TYPE_Struct:
case SPA_TYPE_Pod:
return 0;
case SPA_TYPE_String:
return 1;
case SPA_TYPE_Bool:
case SPA_TYPE_Int:
return sizeof(int32_t);
case SPA_TYPE_Id:
return sizeof(uint32_t);
case SPA_TYPE_Long:
return sizeof(int64_t);
case SPA_TYPE_Float:
return sizeof(float);
case SPA_TYPE_Double:
return sizeof(double);
case SPA_TYPE_Rectangle:
return sizeof(struct spa_rectangle);
case SPA_TYPE_Fraction:
return sizeof(struct spa_fraction);
case SPA_TYPE_Bitmap:
return sizeof(uint8_t);
case SPA_TYPE_Array:
return sizeof(struct spa_pod_array_body);
case SPA_TYPE_Object:
return sizeof(struct spa_pod_object_body);
case SPA_TYPE_Sequence:
return sizeof(struct spa_pod_sequence_body);
case SPA_TYPE_Pointer:
return sizeof(struct spa_pod_pointer_body);
case SPA_TYPE_Fd:
return sizeof(int64_t);
case SPA_TYPE_Choice:
return sizeof(struct spa_pod_choice_body);
}
return 0;
}
SPA_API_POD_ITER bool spa_pod_is_inside(const void *pod, uint32_t size, const void *iter) SPA_API_POD_ITER bool spa_pod_is_inside(const void *pod, uint32_t size, const void *iter)
{ {
size_t remaining; size_t remaining;