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Add new pod parser and builder

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Add a new pod builder and parser that is less verbose and
a little more powerful.
This commit is contained in:
Wim Taymans 2017-09-21 18:57:41 +02:00
parent 3e49aec61b
commit 24d80e5c00
54 changed files with 3616 additions and 2817 deletions
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27
spa/include/spa/param.h
View file

@ -35,18 +35,27 @@ struct spa_param {
struct spa_pod_object object;
};
static inline uint32_t spa_param_query(const struct spa_param *param, uint32_t key, ...)
static inline uint32_t
spa_pod_builder_push_param(struct spa_pod_builder *builder,
struct spa_pod_frame *frame,
uint32_t param_type)
{
uint32_t count;
va_list args;
va_start(args, key);
count = spa_pod_contents_queryv(&param->object.pod, sizeof(struct spa_param), key, args);
va_end(args);
return count;
return spa_pod_builder_push_object(builder, frame, 0, param_type);
}
#define spa_pod_builder_param(b,param_type,...) \
spa_pod_builder_object(b, 0, param_type, \
##__VA_ARGS__)
#define spa_param_parse(param,...) \
({ \
struct spa_pod_parser __p; \
const struct spa_param *__param = param; \
spa_pod_parser_pod(&__p, &__param->object.pod); \
spa_pod_parser_get(&__p, "<", ##__VA_ARGS__, NULL); \
})
#define SPA_PARAM_BODY_FOREACH(body, size, iter) \
for ((iter) = SPA_MEMBER((body), sizeof(struct spa_pod_object_body), struct spa_pod_prop); \
(iter) < SPA_MEMBER((body), (size), struct spa_pod_prop); \