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card-restore: Save and restore "preferred profile" of port

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Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2015-11-17 15:10:33 +01:00 • committed by Tanu Kaskinen
parent 5c545ba38b
commit 9059fb3b4e
1 changed files with 44 additions and 5 deletions
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49
src/modules/module-card-restore.c
View file

@ -64,11 +64,12 @@ struct userdata {
pa_database *database;
};
#define ENTRY_VERSION 2
#define ENTRY_VERSION 3
struct port_info {
char *name;
int64_t offset;
char *profile;
};
struct entry {
@ -102,6 +103,7 @@ static void trigger_save(struct userdata *u) {
static void port_info_free(struct port_info *p_info) {
pa_assert(p_info);
pa_xfree(p_info->profile);
pa_xfree(p_info->name);
pa_xfree(p_info);
}
@ -117,9 +119,11 @@ static struct port_info *port_info_new(pa_device_port *port) {
struct port_info *p_info;
if (port) {
p_info = pa_xnew(struct port_info, 1);
p_info = pa_xnew0(struct port_info, 1);
p_info->name = pa_xstrdup(port->name);
p_info->offset = port->latency_offset;
if (port->preferred_profile)
p_info->profile = pa_xstrdup(port->preferred_profile);
} else
p_info = pa_xnew0(struct port_info, 1);
@ -196,6 +200,8 @@ static bool entry_write(struct userdata *u, const char *name, const struct entry
PA_HASHMAP_FOREACH(p_info, e->ports, state) {
pa_tagstruct_puts(t, p_info->name);
pa_tagstruct_puts64(t, p_info->offset);
if (e->version >= 3)
pa_tagstruct_puts(t, p_info->profile);
}
key.data = (char *) name;
@ -283,7 +289,7 @@ static struct entry* entry_read(struct userdata *u, const char *name) {
if (e->version >= 2) {
uint32_t port_count = 0;
const char *port_name = NULL;
const char *port_name = NULL, *profile_name = NULL;
int64_t port_offset = 0;
struct port_info *p_info;
unsigned i;
@ -297,10 +303,14 @@ static struct entry* entry_read(struct userdata *u, const char *name) {
pa_hashmap_get(e->ports, port_name) ||
pa_tagstruct_gets64(t, &port_offset) < 0)
goto fail;
if (e->version >= 3 && pa_tagstruct_gets(t, &profile_name) < 0)
goto fail;
p_info = port_info_new(NULL);
p_info->name = pa_xstrdup(port_name);
p_info->offset = port_offset;
if (profile_name)
p_info->profile = pa_xstrdup(profile_name);
pa_assert_se(pa_hashmap_put(e->ports, p_info->name, p_info) >= 0);
}
@ -375,8 +385,30 @@ finish:
return PA_HOOK_OK;
}
static void update_profile_for_port(struct entry *entry, pa_card *card, pa_device_port *p) {
struct port_info *p_info;
if (p == NULL)
return;
if (!(p_info = pa_hashmap_get(entry->ports, p->name))) {
p_info = port_info_new(p);
pa_assert_se(pa_hashmap_put(entry->ports, p_info->name, p_info) >= 0);
}
if (!pa_safe_streq(p_info->profile, p->preferred_profile)) {
pa_xfree(p_info->profile);
p_info->profile = pa_xstrdup(p->preferred_profile);
entry->version = ENTRY_VERSION;
pa_log_info("Storing profile %s for port %s on card %s.", p_info->profile, p->name, card->name);
}
}
static pa_hook_result_t card_profile_changed_callback(pa_core *c, pa_card *card, struct userdata *u) {
struct entry *entry;
pa_sink *sink;
pa_source *source;
uint32_t state;
pa_assert(card);
@ -392,6 +424,11 @@ static pa_hook_result_t card_profile_changed_callback(pa_core *c, pa_card *card,
show_full_info(card);
}
PA_IDXSET_FOREACH(sink, card->sinks, state)
update_profile_for_port(entry, card, sink->active_port);
PA_IDXSET_FOREACH(source, card->sources, state)
update_profile_for_port(entry, card, source->active_port);
if (entry_write(u, card->name, entry))
trigger_save(u);
@ -508,9 +545,11 @@ static pa_hook_result_t card_new_hook_callback(pa_core *c, pa_card_new_data *new
pa_log_info("Restoring port latency offsets for card %s.", new_data->name);
PA_HASHMAP_FOREACH(p_info, e->ports, state)
if ((p = pa_hashmap_get(new_data->ports, p_info->name)))
if ((p = pa_hashmap_get(new_data->ports, p_info->name))) {
p->latency_offset = p_info->offset;
if (!p->preferred_profile && p_info->profile)
pa_device_port_set_preferred_profile(p, p_info->profile);
}
entry_free(e);
return PA_HOOK_OK;