mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-05 13:30:02 -05:00
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/* Simple Plugin API
|
|
* Copyright (C) 2016 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.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <spa/type-map.h>
|
|
#include <spa/lib/mapper.h>
|
|
|
|
#include <pinos/client/map.h>
|
|
|
|
typedef struct {
|
|
SpaTypeMap map;
|
|
PinosMap types;
|
|
PinosArray strings;
|
|
} TypeMap;
|
|
|
|
static uint32_t
|
|
type_map_get_id (SpaTypeMap *map, const char *type)
|
|
{
|
|
TypeMap *this = SPA_CONTAINER_OF (map, TypeMap, map);
|
|
uint32_t i = 0, len;
|
|
void *p;
|
|
off_t o;
|
|
|
|
if (type != NULL) {
|
|
for (i = 0; i < pinos_map_get_size (&this->types); i++) {
|
|
o = (off_t) pinos_map_lookup_unchecked (&this->types, i);
|
|
if (strcmp (SPA_MEMBER (this->strings.data, o, char), type) == 0)
|
|
return i;
|
|
}
|
|
len = strlen (type);
|
|
p = pinos_array_add (&this->strings, SPA_ROUND_UP_N (len+1, 2));
|
|
memcpy (p, type, len+1);
|
|
o = (p - this->strings.data);
|
|
i = pinos_map_insert_new (&this->types, (void *)o);
|
|
}
|
|
return i;
|
|
}
|
|
|
|
static const char *
|
|
type_map_get_type (const SpaTypeMap *map, uint32_t id)
|
|
{
|
|
TypeMap *this = SPA_CONTAINER_OF (map, TypeMap, map);
|
|
|
|
if (id == SPA_ID_INVALID)
|
|
return NULL;
|
|
|
|
if (SPA_LIKELY (pinos_map_check_id (&this->types, id))) {
|
|
off_t o = (off_t) pinos_map_lookup_unchecked (&this->types, id);
|
|
return SPA_MEMBER (this->strings.data, o, char);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static size_t
|
|
type_map_get_size (const SpaTypeMap *map)
|
|
{
|
|
TypeMap *this = SPA_CONTAINER_OF (map, TypeMap, map);
|
|
return pinos_map_get_size (&this->types);
|
|
}
|
|
|
|
static TypeMap default_type_map = {
|
|
{ sizeof (SpaTypeMap),
|
|
NULL,
|
|
type_map_get_id,
|
|
type_map_get_type,
|
|
type_map_get_size,
|
|
},
|
|
PINOS_MAP_INIT(128),
|
|
PINOS_ARRAY_INIT (4096)
|
|
};
|
|
|
|
SpaTypeMap *
|
|
pinos_type_map_get_default (void)
|
|
{
|
|
spa_type_map_set_default (&default_type_map.map);
|
|
return &default_type_map.map;
|
|
}
|