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Reorganise SPA tree

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Reorganise the SPA includes to make it more extensible later
Simplify the naming of the buffer and meta params
This commit is contained in:
Wim Taymans 2017-11-10 13:36:14 +01:00
parent 58451d626c
commit caaeaff223
151 changed files with 1353 additions and 964 deletions
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141
spa/include/spa/pod/iter.h Normal file
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/* Simple Plugin API
* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __SPA_POD_ITER_H__
#define __SPA_POD_ITER_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <spa/pod/pod.h>
struct spa_pod_iter {
const void *data;
uint32_t size;
uint32_t offset;
};
static inline void spa_pod_iter_init(struct spa_pod_iter *iter, const void *data, uint32_t size, uint32_t offset)
{
iter->data = data;
iter->size = size;
iter->offset = offset;
}
static inline struct spa_pod *spa_pod_iter_current(struct spa_pod_iter *iter)
{
if (iter->offset + 8 <= iter->size) {
struct spa_pod *pod = SPA_MEMBER(iter->data, iter->offset, struct spa_pod);
if (SPA_POD_SIZE(pod) <= iter->size)
return pod;
}
return NULL;
}
static inline void spa_pod_iter_advance(struct spa_pod_iter *iter, struct spa_pod *current)
{
if (current)
iter->offset += SPA_ROUND_UP_N(SPA_POD_SIZE(current), 8);
}
static inline bool spa_pod_is_inside(const void *pod, uint32_t size, const struct spa_pod *iter)
{
return iter < SPA_MEMBER(pod, size, struct spa_pod);
}
static inline struct spa_pod *spa_pod_next(const struct spa_pod *iter)
{
return SPA_MEMBER(iter, SPA_ROUND_UP_N (SPA_POD_SIZE (iter), 8), struct spa_pod);
}
#define SPA_POD_ARRAY_BODY_FOREACH(body, _size, iter) \
for ((iter) = SPA_MEMBER((body), sizeof(struct spa_pod_array_body), __typeof__(*(iter))); \
(iter) < SPA_MEMBER((body), (_size), __typeof__(*(iter))); \
(iter) = SPA_MEMBER((iter), (body)->child.size, __typeof__(*(iter))))
#define SPA_POD_FOREACH(pod, size, iter) \
for ((iter) = (pod); \
spa_pod_is_inside(pod, size, iter); \
(iter) = spa_pod_next(iter))
#define SPA_POD_FOREACH_SAFE(pod, size, iter, tmp) \
for ((iter) = (pod), (tmp) = spa_pod_next(iter); \
spa_pod_is_inside(pod, size, iter); \
(iter) = (tmp), \
(tmp) = spa_pod_next(iter))
#define SPA_POD_CONTENTS_FOREACH(pod, offset, iter) \
SPA_POD_FOREACH(SPA_MEMBER((pod), (offset), struct spa_pod),SPA_POD_SIZE (pod)-(offset),iter)
#define SPA_POD_OBJECT_BODY_FOREACH(body, size, iter) \
for ((iter) = SPA_MEMBER((body), sizeof(struct spa_pod_object_body), struct spa_pod); \
spa_pod_is_inside(body, size, iter); \
(iter) = spa_pod_next(iter))
#define SPA_POD_OBJECT_FOREACH(obj, iter) \
SPA_POD_OBJECT_BODY_FOREACH(&obj->body, SPA_POD_BODY_SIZE(obj), iter)
#define SPA_POD_PROP_ALTERNATIVE_FOREACH(body, _size, iter) \
for ((iter) = SPA_MEMBER((body), (body)->value.size + \
sizeof(struct spa_pod_prop_body), __typeof__(*iter)); \
(iter) <= SPA_MEMBER((body), (_size)-(body)->value.size, __typeof__(*iter)); \
(iter) = SPA_MEMBER((iter), (body)->value.size, __typeof__(*iter)))
static inline struct spa_pod_prop *spa_pod_contents_find_prop(const struct spa_pod *pod,
uint32_t offset, uint32_t key)
{
struct spa_pod *res;
SPA_POD_CONTENTS_FOREACH(pod, offset, res) {
if (res->type == SPA_POD_TYPE_PROP
&& ((struct spa_pod_prop *) res)->body.key == key)
return (struct spa_pod_prop *) res;
}
return NULL;
}
static inline struct spa_pod_prop *spa_pod_object_find_prop(const struct spa_pod_object *obj,
uint32_t key)
{
return spa_pod_contents_find_prop(&obj->pod, sizeof(struct spa_pod_object), key);
}
static inline struct spa_pod_prop *spa_pod_struct_find_prop(const struct spa_pod_struct *obj,
uint32_t key)
{
return spa_pod_contents_find_prop(&obj->pod, sizeof(struct spa_pod_struct), key);
}
static inline int spa_pod_object_fixate(struct spa_pod_object *obj)
{
struct spa_pod *res;
SPA_POD_OBJECT_FOREACH(obj, res) {
if (res->type == SPA_POD_TYPE_PROP)
((struct spa_pod_prop *) res)->body.flags &= ~SPA_POD_PROP_FLAG_UNSET;
}
return SPA_RESULT_OK;
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __SPA_POD_H__ */