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pod: add bytes start/append/end functions

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Add functions to dynamically start and build a bytes pod.
This commit is contained in:
Wim Taymans 2025-05-23 16:41:00 +02:00
parent d37f213236
commit 617f1b8a38
1 changed files with 25 additions and 0 deletions
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25
spa/include/spa/pod/builder.h
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@ -334,6 +334,31 @@ spa_pod_builder_reserve_bytes(struct spa_pod_builder *builder, uint32_t len)
return SPA_POD_BODY(spa_pod_builder_deref(builder, offset));
}
SPA_API_POD_BUILDER uint32_t
spa_pod_builder_bytes_start(struct spa_pod_builder *builder)
{
uint32_t offset = builder->state.offset;
const struct spa_pod_bytes p = SPA_POD_INIT_Bytes(0);
spa_pod_builder_raw(builder, &p, sizeof(p));
return offset;
}
SPA_API_POD_BUILDER int
spa_pod_builder_bytes_append(struct spa_pod_builder *builder, uint32_t offset,
const void *data, uint32_t size)
{
int res = spa_pod_builder_raw(builder, data, size);
struct spa_pod *pod = spa_pod_builder_deref(builder, offset);
if (pod)
pod->size += size;
return res;
}
SPA_API_POD_BUILDER int
spa_pod_builder_bytes_end(struct spa_pod_builder *builder, uint32_t offset)
{
return spa_pod_builder_pad(builder, builder->state.offset);
}
#define SPA_POD_INIT_Pointer(type,value) ((struct spa_pod_pointer){ { sizeof(struct spa_pod_pointer_body), SPA_TYPE_Pointer }, { (type), 0, (value) } })
SPA_API_POD_BUILDER int