diff options
Diffstat (limited to 'src/modules/module-device-restore.c')
| -rw-r--r-- | src/modules/module-device-restore.c | 166 | 
1 files changed, 91 insertions, 75 deletions
diff --git a/src/modules/module-device-restore.c b/src/modules/module-device-restore.c index b7a1e1b5..c0d2ddb7 100644 --- a/src/modules/module-device-restore.c +++ b/src/modules/module-device-restore.c @@ -57,20 +57,27 @@ PA_MODULE_LOAD_ONCE(TRUE);  #define SAVE_INTERVAL 10  static const char* const valid_modargs[] = { -    NULL, +    "restore_volume", +    "restore_muted", +    NULL  };  struct userdata {      pa_core *core;      pa_subscription *subscription; -    pa_hook_slot *sink_fixate_hook_slot, *source_fixate_hook_slot; +    pa_hook_slot +        *sink_fixate_hook_slot, +        *source_fixate_hook_slot;      pa_time_event *save_time_event;      GDBM_FILE gdbm_file; + +    pa_bool_t restore_volume:1; +    pa_bool_t restore_muted:1;  };  struct entry {      pa_cvolume volume; -    int muted; +    pa_bool_t muted:1;  };  static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *tv, void *userdata) { @@ -89,9 +96,44 @@ static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct      pa_log_info("Synced.");  } +static struct entry* read_entry(struct userdata *u, char *name) { +    datum key, data; +    struct entry *e; + +    pa_assert(u); +    pa_assert(name); + +    key.dptr = name; +    key.dsize = strlen(name); + +    data = gdbm_fetch(u->gdbm_file, key); + +    if (!data.dptr) +        goto fail; + +    if (data.dsize != sizeof(struct entry)) { +        pa_log_warn("Database contains entry for device %s of wrong size %lu != %lu", name, (unsigned long) data.dsize, (unsigned long) sizeof(struct entry)); +        goto fail; +    } + +    e = (struct entry*) data.dptr; + +    if (!(pa_cvolume_valid(&e->volume))) { +        pa_log_warn("Invalid volume stored in database for device %s", name); +        goto fail; +    } + +    return e; + +fail: + +    pa_xfree(data.dptr); +    return NULL; +} +  static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {      struct userdata *u = userdata; -    struct entry entry; +    struct entry entry, *old;      char *name;      datum key, data; @@ -127,34 +169,22 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3          entry.muted = pa_source_get_mute(source);      } -    key.dptr = name; -    key.dsize = strlen(name); - -    data = gdbm_fetch(u->gdbm_file, key); - -    if (data.dptr) { - -        if (data.dsize == sizeof(struct entry)) { -            struct entry *old = (struct entry*) data.dptr; - -            if (pa_cvolume_valid(&old->volume)) { +    if ((old = read_entry(u, name))) { -                if (pa_cvolume_equal(&old->volume, &entry.volume) && -                    !old->muted == !entry.muted) { +        if (pa_cvolume_equal(&old->volume, &entry.volume) && +            !old->muted == !entry.muted) { -                    pa_xfree(data.dptr); -                    pa_xfree(name); -                    return; -                } -            } else -                pa_log_warn("Invalid volume stored in database for device %s", name); - -        } else -            pa_log_warn("Database contains entry for device %s of wrong size %lu != %lu", name, (unsigned long) data.dsize, (unsigned long) sizeof(struct entry)); +            pa_xfree(old); +            pa_xfree(name); +            return; +        } -        pa_xfree(data.dptr); +        pa_xfree(old);      } +    key.dptr = name; +    key.dsize = strlen(name); +      data.dptr = (void*) &entry;      data.dsize = sizeof(entry); @@ -172,42 +202,6 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3      pa_xfree(name);  } -static struct entry* read_entry(struct userdata *u, char *name) { -    datum key, data; -    struct entry *e; - -    pa_assert(u); -    pa_assert(name); - -    key.dptr = name; -    key.dsize = strlen(name); - -    data = gdbm_fetch(u->gdbm_file, key); - -    if (!data.dptr) -        goto fail; - -    if (data.dsize != sizeof(struct entry)) { -        pa_log_warn("Database contains entry for device %s of wrong size %lu != %lu", name, (unsigned long) data.dsize, (unsigned long) sizeof(struct entry)); -        goto fail; -    } - -    e = (struct entry*) data.dptr; - -    if (!(pa_cvolume_valid(&e->volume))) { -        pa_log_warn("Invalid volume stored in database for device %s", name); -        goto fail; -    } - -    return e; - -fail: - -    pa_xfree(data.dptr); -    return NULL; -} - -  static pa_hook_result_t sink_fixate_hook_callback(pa_core *c, pa_sink_new_data *new_data, struct userdata *u) {      char *name;      struct entry *e; @@ -218,13 +212,18 @@ static pa_hook_result_t sink_fixate_hook_callback(pa_core *c, pa_sink_new_data *      if ((e = read_entry(u, name))) { -        if (e->volume.channels == new_data->sample_spec.channels) { +        if (u->restore_volume && +            e->volume.channels == new_data->sample_spec.channels) { +              pa_log_info("Restoring volume for sink %s.", new_data->name);              pa_sink_new_data_set_volume(new_data, &e->volume);          } -        pa_log_info("Restoring mute state for sink %s.", new_data->name); -        pa_sink_new_data_set_muted(new_data, e->muted); +        if (u->restore_muted) { +            pa_log_info("Restoring mute state for sink %s.", new_data->name); +            pa_sink_new_data_set_muted(new_data, e->muted); +        } +          pa_xfree(e);      } @@ -243,13 +242,18 @@ static pa_hook_result_t source_fixate_hook_callback(pa_core *c, pa_source_new_da      if ((e = read_entry(u, name))) { -        if (e->volume.channels == new_data->sample_spec.channels) { +        if (u->restore_volume && +            e->volume.channels == new_data->sample_spec.channels) { +              pa_log_info("Restoring volume for source %s.", new_data->name);              pa_source_new_data_set_volume(new_data, &e->volume);          } -        pa_log_info("Restoring mute state for source %s.", new_data->name); -        pa_source_new_data_set_muted(new_data, e->muted); +        if (u->restore_muted) { +            pa_log_info("Restoring mute state for source %s.", new_data->name); +            pa_source_new_data_set_muted(new_data, e->muted); +        } +          pa_xfree(e);      } @@ -266,6 +270,7 @@ int pa__init(pa_module*m) {      pa_sink *sink;      pa_source *source;      uint32_t idx; +    pa_bool_t restore_volume = TRUE, restore_muted = TRUE;      pa_assert(m); @@ -274,21 +279,32 @@ int pa__init(pa_module*m) {          goto fail;      } -    u = pa_xnew(struct userdata, 1); +    if (pa_modargs_get_value_boolean(ma, "restore_volume", &restore_volume) < 0 || +        pa_modargs_get_value_boolean(ma, "restore_muted", &restore_muted) < 0) { +        pa_log("restore_volume= and restore_muted= expect boolean arguments"); +        goto fail; +    } + +    if (!restore_muted && !restore_volume) +        pa_log_warn("Neither restoring volume nor restoring muted enabled!"); + +    m->userdata = u = pa_xnew(struct userdata, 1);      u->core = m->core;      u->save_time_event = NULL; +    u->restore_volume = restore_volume; +    u->restore_muted = restore_muted;      u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK|PA_SUBSCRIPTION_MASK_SOURCE, subscribe_callback, u); -    u->sink_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) sink_fixate_hook_callback, u); -    u->source_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) source_fixate_hook_callback, u); - -    m->userdata = u; +    if (restore_muted || restore_volume) { +        u->sink_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) sink_fixate_hook_callback, u); +        u->source_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) source_fixate_hook_callback, u); +    }      if (!pa_get_host_name(hn, sizeof(hn)))          goto fail; -    fn = pa_sprintf_malloc("device-volumes.%s.gdbm", hn); +    fn = pa_sprintf_malloc("device-volumes.%s."CANONICAL_HOST".gdbm", hn);      fname = pa_state_path(fn);      pa_xfree(fn);  | 
