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default-profile: keep a restore and save list

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Load the settings into the restore list, when we see a device and it's
in the restore list, restore the profile and remove from restore list.
All updates to profiles go into the save list and it is then saved.
This commit is contained in:
Wim Taymans 2020-08-17 11:48:52 +02:00
parent 03f1dfcf99
commit de71618b99
1 changed files with 29 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

57
src/examples/media-session/default-profile.c
View file

@ -59,7 +59,8 @@ struct impl {
struct spa_hook meta_listener;
struct pw_properties *properties;
struct pw_properties *to_restore;
struct pw_properties *to_save;
};
struct device {
@ -70,10 +71,6 @@ struct device {
char *name;
struct spa_hook listener;
unsigned int restored:1;
uint32_t active_profile;
};
struct find_data {
@ -88,7 +85,7 @@ static void remove_idle_timeout(struct impl *impl)
int res;
if (impl->idle_timeout) {
if ((res = sm_media_session_save_state(impl->session, SESSION_KEY, impl->properties)) < 0)
if ((res = sm_media_session_save_state(impl->session, SESSION_KEY, impl->to_save)) < 0)
pw_log_error("can't save "SESSION_KEY" state: %s", spa_strerror(res));
pw_loop_destroy_source(main_loop, impl->idle_timeout);
impl->idle_timeout = NULL;
@ -120,7 +117,8 @@ static void session_destroy(void *data)
struct impl *impl = data;
remove_idle_timeout(impl);
spa_hook_remove(&impl->listener);
pw_properties_free(impl->properties);
pw_properties_free(impl->to_restore);
pw_properties_free(impl->to_save);
free(impl);
}
@ -144,16 +142,10 @@ static uint32_t find_profile_id(struct device *dev, const char *name)
return SPA_ID_INVALID;
}
static int restore_profile(struct device *dev)
static int restore_profile(struct device *dev, const char *name)
{
struct impl *impl = dev->impl;
const char *name;
uint32_t index = SPA_ID_INVALID;
name = pw_properties_get(impl->properties, dev->name);
if (name == NULL)
return -ENOENT;
pw_log_debug("device %d: find profile '%s'", dev->id, name);
index = find_profile_id(dev, name);
@ -167,7 +159,6 @@ static int restore_profile(struct device *dev)
spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamProfile, SPA_PARAM_Profile,
SPA_PARAM_PROFILE_index, SPA_POD_Int(index)));
dev->active_profile = index;
}
return -ENOENT;
}
@ -175,12 +166,14 @@ static int restore_profile(struct device *dev)
static int handle_profile(struct device *dev, struct sm_param *p)
{
struct impl *impl = dev->impl;
const char *name;
uint32_t index;
int res;
if (!dev->restored) {
restore_profile(dev);
dev->restored = true;
name = pw_properties_get(impl->to_restore, dev->name);
if (name) {
restore_profile(dev, name);
pw_properties_set(impl->to_restore, dev->name, NULL);
} else {
const char *name;
if ((res = spa_pod_parse_object(p->param,
@ -190,12 +183,8 @@ static int handle_profile(struct device *dev, struct sm_param *p)
pw_log_warn("device %d: can't parse profile: %s", dev->id, spa_strerror(res));
return res;
}
if (dev->active_profile == index)
return 0;
dev->active_profile = index;
pw_log_debug("device %d: current profile %d %s", dev->id, index, name);
pw_properties_set(impl->properties, dev->name, name);
pw_properties_set(impl->to_save, dev->name, name);
add_idle_timeout(impl);
}
return 0;
@ -295,16 +284,28 @@ int sm_default_profile_start(struct sm_media_session *session)
impl->session = session;
impl->context = session->context;
impl->properties = pw_properties_new(NULL, NULL);
if (impl->properties == NULL) {
free(impl);
return -ENOMEM;
impl->to_restore = pw_properties_new(NULL, NULL);
if (impl->to_restore == NULL) {
res = -errno;
goto exit_free;
}
if ((res = sm_media_session_load_state(impl->session, SESSION_KEY, impl->properties)) < 0)
if ((res = sm_media_session_load_state(impl->session, SESSION_KEY, impl->to_restore)) < 0)
pw_log_info("can't load "SESSION_KEY" state: %s", spa_strerror(res));
impl->to_save = pw_properties_copy(impl->to_restore);
if (impl->to_save == NULL) {
res = -errno;
goto exit_free_props;
}
sm_media_session_add_listener(impl->session, &impl->listener, &session_events, impl);
return 0;
exit_free_props:
pw_properties_free(impl->to_restore);
exit_free:
free(impl);
return res;
}