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pulse-server: add support for proplist value conversion

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This commit is contained in:
Wim Taymans 2020-11-17 11:26:54 +01:00
parent 573e2afd5e
commit 242cddd371
2 changed files with 51 additions and 59 deletions
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77
src/modules/module-protocol-pulse/message.c
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@ -43,12 +43,26 @@ static inline float volume_to_linear(uint32_t vol)
return v * v * v;
}
struct key_map {
const char *pw_key;
const char *pa_key;
struct str_map {
const char *pw_str;
const char *pa_str;
const struct str_map *child;
};
const struct key_map key_table[] = {
const struct str_map media_role_map[] = {
{ "Movie", "video", },
{ "Music", "music", },
{ "Game", "game", },
{ "Notification", "event", },
{ "Communication", "phone", },
{ "Movie", "animation", },
{ "Production", "production", },
{ "Accessibility", "a11y", },
{ "Test", "test", },
{ NULL, NULL },
};
const struct str_map key_table[] = {
{ PW_KEY_DEVICE_BUS_PATH, "device.bus_path" },
{ PW_KEY_DEVICE_FORM_FACTOR, "device.form_factor" },
{ PW_KEY_DEVICE_ICON_NAME, "device.icon_name" },
@ -57,25 +71,18 @@ const struct key_map key_table[] = {
{ PW_KEY_APP_ICON_NAME, "application.icon_name" },
{ PW_KEY_APP_PROCESS_MACHINE_ID, "application.process.machine_id" },
{ PW_KEY_APP_PROCESS_SESSION_ID, "application.process.session_id" },
{ PW_KEY_MEDIA_ROLE, "media.role", media_role_map },
{ NULL, NULL },
};
static inline const char *pa_key_to_pw(const char *key)
static inline const struct str_map *str_map_find(const struct str_map *map, const char *pw, const char *pa)
{
uint32_t i;
for (i = 0; i < SPA_N_ELEMENTS(key_table); i++)
if (strcmp(key_table[i].pa_key, key) == 0)
return key_table[i].pw_key;
return key;
}
static inline const char *pw_key_to_pa(const char *key)
{
uint32_t i;
for (i = 0; i < SPA_N_ELEMENTS(key_table); i++)
if (strcmp(key_table[i].pw_key, key) == 0)
return key_table[i].pa_key;
return key;
for (i = 0; map[i].pw_str; i++)
if ((pw && strcmp(map[i].pw_str, pw) == 0) ||
(pa && strcmp(map[i].pa_str, pa) == 0))
return &map[i];
return NULL;
}
struct descriptor {
@ -167,10 +174,11 @@ static int read_props(struct message *m, struct pw_properties *props)
int res;
while (true) {
char *key;
void *data;
const char *key;
const void *data;
uint32_t length;
size_t size;
const struct str_map *map;
if ((res = message_get(m,
TAG_STRING, &key,
@ -192,7 +200,13 @@ static int read_props(struct message *m, struct pw_properties *props)
TAG_INVALID)) < 0)
return res;
pw_properties_set(props, pa_key_to_pw(key), data);
if ((map = str_map_find(key_table, NULL, key)) != NULL) {
key = map->pw_str;
if (map->child != NULL &&
(map = str_map_find(map->child, NULL, data)) != NULL)
data = map->pw_str;
}
pw_properties_set(props, key, data);
}
return 0;
}
@ -539,10 +553,21 @@ static void write_dict(struct message *m, struct spa_dict *dict)
write_8(m, TAG_PROPLIST);
if (dict != NULL) {
spa_dict_for_each(it, dict) {
int l = strlen(it->value);
write_string(m, pw_key_to_pa(it->key));
write_u32(m, l+1);
write_arbitrary(m, it->value, l+1);
const char *key = it->key;
const char *val = it->value;
int l;
const struct str_map *map;
if ((map = str_map_find(key_table, key, NULL)) != NULL) {
key = map->pa_str;
if (map->child != NULL &&
(map = str_map_find(map->child, val, NULL)) != NULL)
val = map->pa_str;
}
write_string(m, key);
l = strlen(val) + 1;
write_u32(m, l);
write_arbitrary(m, val, l);
}
}
write_string(m, NULL);