core: make pw_core_for_each_global more powerful

Make the for_each function more powerful by allowing more than just
a bool return value.
This commit is contained in:
Wim Taymans 2017-12-14 18:32:02 +01:00
parent 1f4d1d071c
commit ef800581f0
4 changed files with 28 additions and 24 deletions

View file

@ -1286,7 +1286,7 @@ make_freewheel_client(struct impl *impl)
return 0;
}
static bool on_global(void *data, struct pw_global *global)
static int on_global(void *data, struct pw_global *global)
{
struct impl *impl = data;
struct pw_node *node;
@ -1300,21 +1300,21 @@ static bool on_global(void *data, struct pw_global *global)
struct spa_pod *props;
if (pw_global_get_type(global) != impl->t->node)
return true;
return 0;
node = pw_global_get_object(global);
properties = pw_node_get_properties(node);
if ((str = pw_properties_get(properties, "media.class")) == NULL)
return true;
return 0;
if (strcmp(str, "Audio/Sink") != 0)
return true;
return 0;
out_port = pw_node_get_free_port(impl->server.audio_node->node, PW_DIRECTION_OUTPUT);
in_port = pw_node_get_free_port(node, PW_DIRECTION_INPUT);
if (out_port == NULL || in_port == NULL)
return true;
return 0;
impl->sink_link = pw_link_new(impl->core,
out_port,
@ -1326,7 +1326,7 @@ static bool on_global(void *data, struct pw_global *global)
if (impl->sink_link == NULL) {
pw_log_warn("can't link ports: %s", error);
free(error);
return true;
return 0;
}
if (spa_node_enum_params(node->node, impl->t->param.idProps, &index, NULL, &props, &b) == 1) {
@ -1343,7 +1343,7 @@ static bool on_global(void *data, struct pw_global *global)
pw_link_register(impl->sink_link, NULL, pw_module_get_global(impl->module));
return false;
return 1;
}
static bool init_nodes(struct impl *impl)

View file

@ -138,7 +138,7 @@ static struct pw_node *make_node(struct impl *impl)
return NULL;
}
static bool on_global(void *data, struct pw_global *global)
static int on_global(void *data, struct pw_global *global)
{
struct impl *impl = data;
struct pw_node *n, *node;
@ -149,24 +149,24 @@ static bool on_global(void *data, struct pw_global *global)
struct pw_link *link;
if (pw_global_get_type(global) != impl->t->node)
return true;
return 0;
n = pw_global_get_object(global);
properties = pw_node_get_properties(n);
if ((str = pw_properties_get(properties, "media.class")) == NULL)
return true;
return 0;
if (strcmp(str, "Audio/Sink") != 0)
return true;
return 0;
if ((ip = pw_node_get_free_port(n, PW_DIRECTION_INPUT)) == NULL)
return true;
return 0;
node = make_node(impl);
op = pw_node_get_free_port(node, PW_DIRECTION_OUTPUT);
if (op == NULL)
return true;
return 0;
link = pw_link_new(impl->core,
op,
@ -176,7 +176,7 @@ static bool on_global(void *data, struct pw_global *global)
&error, 0);
pw_link_register(link, NULL, pw_module_get_global(impl->module));
return true;
return 0;
}
static void module_destroy(void *data)

View file

@ -596,16 +596,17 @@ void pw_core_update_properties(struct pw_core *core, const struct spa_dict *dict
core->info.change_mask = 0;
}
bool pw_core_for_each_global(struct pw_core *core,
bool (*callback) (void *data, struct pw_global *global),
int pw_core_for_each_global(struct pw_core *core,
int (*callback) (void *data, struct pw_global *global),
void *data)
{
struct pw_global *g, *t;
int res;
spa_list_for_each_safe(g, t, &core->global_list, link)
if (!callback(data, g))
return false;
return true;
if ((res = callback(data, g)) != 0)
return res;
return 0;
}
struct pw_global *pw_core_find_global(struct pw_core *core, uint32_t id)

View file

@ -151,9 +151,12 @@ const struct spa_support *pw_core_get_support(struct pw_core *core, uint32_t *n_
/** get the core main loop */
struct pw_loop *pw_core_get_main_loop(struct pw_core *core);
/** iterate the globals */
bool pw_core_for_each_global(struct pw_core *core,
bool (*callback) (void *data, struct pw_global *global),
/** Iterate the globals of the core. The callback should return
* 0 to fetch the next item, any other value stops the iteration and returns
* the value. When all callbacks return 0, this function returns 0 when all
* globals are iterated. */
int pw_core_for_each_global(struct pw_core *core,
int (*callback) (void *data, struct pw_global *global),
void *data);
/** Find a core global by id */