[pulseaudio-discuss] [RFC v1 5/6] bluetooth: Use profile availability to auto-switch profiles
Mikel Astiz
mikel.astiz.oss at gmail.com
Mon Feb 18 00:10:34 PST 2013
From: Mikel Astiz <mikel.astiz at bmw-carit.de>
Use the card profile availability flag instead of port availability in
order to automatically switch profiles, for example when a paired phone
starts streaming A2DP audio.
---
src/modules/bluetooth/module-bluetooth-policy.c | 105 +++++++++++-------------
1 file changed, 50 insertions(+), 55 deletions(-)
diff --git a/src/modules/bluetooth/module-bluetooth-policy.c b/src/modules/bluetooth/module-bluetooth-policy.c
index f53a422..84f47b6 100644
--- a/src/modules/bluetooth/module-bluetooth-policy.c
+++ b/src/modules/bluetooth/module-bluetooth-policy.c
@@ -54,7 +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;
+ pa_hook_slot *profile_available_changed_slot;
};
/* When a source is created, loopback it to default sink */
@@ -133,54 +133,36 @@ 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_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) {
+static pa_card_profile *find_best_profile(pa_card *card) {
void *state;
pa_card_profile *profile;
+ pa_card_profile *result = card->active_profile;
+ pa_card_profile *off;
- 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);
+ pa_assert_se(off = pa_hashmap_get(card->profiles, "off"));
- if (pa_card_set_profile(card, profile->name, false) != 0)
- pa_log_warn("Could not set profile '%s'", profile->name);
+ PA_HASHMAP_FOREACH(profile, card->profiles, state) {
+ if (profile->available == PA_AVAILABLE_NO || profile == off)
+ continue;
- return;
+ if (result == NULL ||
+ (profile->available == PA_AVAILABLE_YES && result->available == PA_AVAILABLE_UNKNOWN) ||
+ (profile->available == result->available && profile->priority > profile->priority))
+ result = profile;
}
+
+ return result ? result : off;
}
-static pa_hook_result_t port_available_hook_callback(pa_core *c, pa_device_port *port, void *userdata) {
+static pa_hook_result_t profile_available_hook_callback(pa_core *c, pa_card_profile *profile, void *userdata) {
pa_card *card;
const char *s;
- uint32_t state;
bool is_active_profile;
- pa_device_port *port2;
-
- PA_IDXSET_FOREACH(card, c->cards, state)
- if (port == pa_hashmap_get(card->ports, port->name))
- break;
+ pa_card_profile *selected_profile;
- if (!card) {
- pa_log_warn("Did not find port %s in array of cards", port->name);
- return PA_HOOK_OK;
- }
+ pa_assert(c);
+ pa_assert(profile);
+ pa_assert_se((card = profile->card));
/* Only consider bluetooth cards */
s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_BUS);
@@ -188,35 +170,48 @@ static pa_hook_result_t port_available_hook_callback(pa_core *c, pa_device_port
return PA_HOOK_OK;
/* Do not automatically switch profiles for headsets, just in case */
- if (pa_hashmap_get(port->profiles, "hsp") || pa_hashmap_get(port->profiles, "a2dp"))
+ if (pa_streq(profile->name, "hsp") || pa_streq(profile->name, "a2dp"))
return PA_HOOK_OK;
- is_active_profile = card->active_profile == pa_hashmap_get(port->profiles, card->active_profile->name);
+ is_active_profile = card->active_profile == profile;
- if (is_active_profile && port->available == PA_AVAILABLE_YES)
- return PA_HOOK_OK;
+ if (profile->available == PA_AVAILABLE_YES) {
+ if (is_active_profile)
+ return PA_HOOK_OK;
- if (!is_active_profile && port->available != PA_AVAILABLE_YES)
- return PA_HOOK_OK;
+ if (card->active_profile && card->active_profile->available == PA_AVAILABLE_YES &&
+ card->active_profile->priority >= profile->priority)
+ return PA_HOOK_OK;
- if ((port2 = find_best_port(card->ports)) == NULL)
- return PA_HOOK_OK;
+ selected_profile = profile;
+ } else {
+ if (!is_active_profile)
+ return PA_HOOK_OK;
+
+ pa_assert_se((selected_profile = find_best_profile(card)));
+
+ if (selected_profile == card->active_profile)
+ return PA_HOOK_OK;
+ }
+
+ pa_log_debug("Setting card '%s' to profile '%s'", card->name, selected_profile->name);
- set_port_profile(card, port2);
+ if (pa_card_set_profile(card, selected_profile->name, false) != 0)
+ pa_log_warn("Could not set profile '%s'", selected_profile->name);
return PA_HOOK_OK;
}
-static void handle_all_ports(pa_core *core) {
+static void handle_all_profiles(pa_core *core) {
pa_card *card;
uint32_t state;
PA_IDXSET_FOREACH(card, core->cards, state) {
- pa_device_port *port;
+ pa_card_profile *profile;
void *state2;
- PA_HASHMAP_FOREACH(port, card->ports, state2)
- port_available_hook_callback(core, port, NULL);
+ PA_HASHMAP_FOREACH(profile, card->profiles, state2)
+ profile_available_hook_callback(core, profile, NULL);
}
}
@@ -249,10 +244,10 @@ 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);
+ u->profile_available_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_CARD_PROFILE_AVAILABLE_CHANGED],
+ PA_HOOK_NORMAL, (pa_hook_cb_t) profile_available_hook_callback, u);
- handle_all_ports(m->core);
+ handle_all_profiles(m->core);
pa_modargs_free(ma);
return 0;
@@ -276,8 +271,8 @@ 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);
+ if (u->profile_available_changed_slot)
+ pa_hook_slot_free(u->profile_available_changed_slot);
pa_xfree(u);
}
--
1.8.1
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