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bluetooth: Add port availability transition policies

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Handle availability changes in Bluetooth ports inside
module-bluetooth-policy. The implemented behavior is similar to how
module-switch-on-port-available behaves, but the conditions are more
relaxed and thus more profile changes are triggered.
This commit is contained in:
Mikel Astiz 2012-08-31 12:51:13 +02:00 • committed by Arun Raghavan
parent d84e36563c
commit bf0a640cfd
1 changed files with 92 additions and 0 deletions
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92
src/modules/bluetooth/module-bluetooth-policy.c
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@ -54,6 +54,7 @@ struct userdata {
bool enable_hfgw;
pa_hook_slot *source_put_slot;
pa_hook_slot *sink_put_slot;
pa_hook_slot *port_available_changed_slot;
};
/* When a source is created, loopback it to default sink */
@ -132,6 +133,89 @@ static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, void *
return PA_HOOK_OK;
}
static pa_device_port* find_best_port(pa_hashmap *ports) {
void *state;
pa_device_port *port;
pa_device_port *result = NULL;
PA_HASHMAP_FOREACH(port, ports, state) {
if (port->available != PA_PORT_AVAILABLE_YES)
continue;
if (result == NULL || port->priority > result->priority)
result = port;
}
return result;
}
static void set_port_profile(pa_card *card, pa_device_port *port) {
void *state;
pa_card_profile *profile;
PA_HASHMAP_FOREACH(profile, port->profiles, state) {
if (card->active_profile == profile)
return;
pa_log_debug("Setting card '%s' to profile '%s'", card->name, profile->name);
if (pa_card_set_profile(card, profile->name, FALSE) != 0)
pa_log_warn("Could not set profile '%s'", profile->name);
return;
}
}
static pa_hook_result_t port_available_hook_callback(pa_core *c, pa_device_port *port, void *userdata) {
pa_card *card;
const char *s;
uint32_t state;
pa_bool_t is_active_profile;
pa_device_port *port2;
PA_IDXSET_FOREACH(card, c->cards, state)
if (port == pa_hashmap_get(card->ports, port->name))
break;
if (!card) {
pa_log_warn("Did not find port %s in array of cards", port->name);
return PA_HOOK_OK;
}
/* Only consider bluetooth cards */
s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_BUS);
if (!s || !pa_streq(s, "bluetooth"))
return PA_HOOK_OK;
is_active_profile = card->active_profile == pa_hashmap_get(port->profiles, card->active_profile->name);
if (is_active_profile && port->available == PA_PORT_AVAILABLE_YES)
return PA_HOOK_OK;
if (!is_active_profile && port->available != PA_PORT_AVAILABLE_YES)
return PA_HOOK_OK;
if ((port2 = find_best_port(card->ports)) == NULL)
return PA_HOOK_OK;
set_port_profile(card, port2);
return PA_HOOK_OK;
}
static void handle_all_ports(pa_core *core) {
pa_card *card;
uint32_t state;
PA_IDXSET_FOREACH(card, core->cards, state) {
pa_device_port *port;
void *state2;
PA_HASHMAP_FOREACH(port, card->ports, state2)
port_available_hook_callback(core, port, NULL);
}
}
int pa__init(pa_module *m) {
pa_modargs *ma;
struct userdata *u;
@ -161,6 +245,11 @@ int pa__init(pa_module *m) {
u->sink_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_put_hook_callback, u);
u->port_available_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_PORT_AVAILABLE_CHANGED],
PA_HOOK_NORMAL, (pa_hook_cb_t) port_available_hook_callback, u);
handle_all_ports(m->core);
pa_modargs_free(ma);
return 0;
@ -183,5 +272,8 @@ void pa__done(pa_module *m) {
if (u->sink_put_slot)
pa_hook_slot_free(u->sink_put_slot);
if (u->port_available_changed_slot)
pa_hook_slot_free(u->port_available_changed_slot);
pa_xfree(u);
}