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pipewire-pulse: Expose profile preference setting as a message

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Makes it easier for libpulse-based clients to modify this setting if they want.
This commit is contained in:
Julian Bouzas 2026-06-22 15:29:15 -04:00
parent d8f5ed0c13
commit 187187e41f
5 changed files with 72 additions and 1 deletions
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3
src/modules/module-protocol-pulse/client.c
View file

@ -162,6 +162,9 @@ void client_free(struct client *client)
free(client->temporary_default_sink);
free(client->temporary_default_source);
free(client->bluetooth_profile_preference);
free(client->default_bluetooth_profile_preference);
pw_properties_free(client->props);
pw_properties_free(client->routes);

3
src/modules/module-protocol-pulse/client.h
View file

@ -65,9 +65,12 @@ struct client {
bool default_force_mono_audio;
bool have_bluetooth_headset_autoswitch;
bool default_bluetooth_headset_autoswitch;
bool have_bluetooth_profile_preference;
char *default_bluetooth_profile_preference;
struct pw_manager_object *metadata_sm_settings;
bool force_mono_audio;
bool bluetooth_headset_autoswitch;
char *bluetooth_profile_preference;
uint32_t connect_tag;

1
src/modules/module-protocol-pulse/defs.h
View file

@ -330,5 +330,6 @@ static inline uint32_t port_type_value(const char *port_type)
#define METADATA_TARGET_OBJECT "target.object"
#define METADATA_FEATURES_AUDIO_MONO "node.features.audio.mono"
#define METADATA_BLUETOOTH_HEADSET_AUTOSWITCH "bluetooth.autoswitch-to-headset-profile"
#define METADATA_BLUETOOTH_PROFILE_PREFERENCE "bluetooth.profile-preference"
#endif /* PULSE_SERVER_DEFS_H */

49
src/modules/module-protocol-pulse/message-handler.c
View file

@ -176,6 +176,50 @@ static int core_object_bluetooth_headset_autoswitch(struct client *client, const
}
}
static int core_object_bluetooth_profile_preference(struct client *client, const char *params, FILE *response)
{
if (!client->have_bluetooth_profile_preference) {
/* Not supported, return a null value to indicate that */
fprintf(response, "null");
return 0;
}
if (!params || params[0] == '\0') {
/* No parameter => query the current value */
if (client->bluetooth_profile_preference)
fprintf(response, "%s", client->bluetooth_profile_preference);
else
fprintf(response, "null");
return 0;
} else {
/* The caller is trying to set a value or clear with a null */
int ret;
if (spa_streq(params, "latency") || spa_streq(params, "quality")) {
ret = pw_manager_set_metadata(client->manager, client->metadata_sm_settings, PW_ID_CORE,
METADATA_BLUETOOTH_PROFILE_PREFERENCE, "Spa:String:JSON", "%s", params);
free(client->bluetooth_profile_preference);
client->bluetooth_profile_preference = strdup(params);
} else if (spa_streq(params, "null")) {
ret = pw_manager_set_metadata(client->manager, client->metadata_sm_settings, PW_ID_CORE,
METADATA_BLUETOOTH_PROFILE_PREFERENCE, NULL, NULL);
free(client->bluetooth_profile_preference);
client->bluetooth_profile_preference = client->default_bluetooth_profile_preference ?
strdup(client->default_bluetooth_profile_preference) : NULL;
} else {
fprintf(response, "Value must be latency or quality");
return -EINVAL;
}
if (ret < 0)
fprintf(response, "Could not set metadata: %s", spa_strerror(ret));
else
fprintf(response, "%s", params);
return ret;
}
}
static int core_object_message_handler(struct client *client, struct pw_manager_object *o, const char *message, const char *params, FILE *response)
{
pw_log_debug(": core %p object message:'%s' params:'%s'", o, message, params);
@ -192,7 +236,8 @@ static int core_object_message_handler(struct client *client, struct pw_manager_
" pipewire-pulse:list-modules list all module names\n"
" pipewire-pulse:describe-module describe module info for <params>\n"
" pipewire-pulse:force-mono-output force mono mixdown on all hardware outputs\n"
" pipewire-pulse:bluetooth-headset-autoswitch use bluetooth headset mic if available"
" pipewire-pulse:bluetooth-headset-autoswitch\tuse bluetooth headset mic if available\n"
" pipewire-pulse:bluetooth-profile-preference\tbluetooth profile preference (latency or quality)"
);
} else if (spa_streq(message, "list-handlers")) {
struct spa_json_builder b;
@ -260,6 +305,8 @@ static int core_object_message_handler(struct client *client, struct pw_manager_
return core_object_force_mono_output(client, params, response);
} else if (spa_streq(message, "pipewire-pulse:bluetooth-headset-autoswitch")) {
return core_object_bluetooth_headset_autoswitch(client, params, response);
} else if (spa_streq(message, "pipewire-pulse:bluetooth-profile-preference")) {
return core_object_bluetooth_profile_preference(client, params, response);
} else {
return -ENOSYS;
}

17
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -1010,12 +1010,29 @@ static void manager_metadata(void *data, struct pw_manager_object *o,
else
client->default_bluetooth_headset_autoswitch = spa_streq(default_, "true");
}
if (spa_streq(key, METADATA_BLUETOOTH_PROFILE_PREFERENCE)) {
char default_pref[16];
client->have_bluetooth_profile_preference = true;
free(client->default_bluetooth_profile_preference);
if (spa_json_str_object_find(value, strlen(value),
"default", default_pref, sizeof(default_pref)) < 0)
client->default_bluetooth_profile_preference = NULL;
else
client->default_bluetooth_profile_preference = strdup(default_pref);
}
}
if (subject == PW_ID_CORE && o == client->metadata_sm_settings) {
if (spa_streq(key, METADATA_FEATURES_AUDIO_MONO))
client->force_mono_audio = spa_streq(value, "true");
if (spa_streq(key, METADATA_BLUETOOTH_HEADSET_AUTOSWITCH))
client->bluetooth_headset_autoswitch = spa_streq(value, "true");
if (spa_streq(key, METADATA_BLUETOOTH_PROFILE_PREFERENCE)) {
free(client->bluetooth_profile_preference);
client->bluetooth_profile_preference = value ? strdup(value) : NULL;
}
}
}