-/* $Id$ */
-
/***
This file is part of PulseAudio.
- Copyright 2006 Lennart Poettering
+ Copyright 2006-2008 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
#define SAVE_INTERVAL 10
static const char* const valid_modargs[] = {
- NULL,
+ "restore_volume",
+ "restore_muted",
+ NULL
};
struct userdata {
pa_core *core;
+ pa_module *module;
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_channel_map channel_map;
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) {
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;
+ }
+
+ if (!(pa_channel_map_valid(&e->channel_map))) {
+ pa_log_warn("Invalid channel map stored in database for device %s", name);
+ goto fail;
+ }
+
+ if (e->volume.channels != e->channel_map.channels) {
+ pa_log_warn("Volume and channel map don't match in database entry for device %s", name);
+ goto fail;
+ }
+
+ return e;
+
+fail:
+
+ pa_xfree(data.dptr);
+ return NULL;
+}
+
+static void trigger_save(struct userdata *u) {
+ struct timeval tv;
+
+ if (u->save_time_event)
+ return;
+
+ pa_gettimeofday(&tv);
+ tv.tv_sec += SAVE_INTERVAL;
+ u->save_time_event = u->core->mainloop->time_new(u->core->mainloop, &tv, save_time_callback, u);
+}
+
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;
t != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
+ memset(&entry, 0, sizeof(entry));
+
if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK) {
pa_sink *sink;
return;
name = pa_sprintf_malloc("sink:%s", sink->name);
+ entry.channel_map = sink->channel_map;
entry.volume = *pa_sink_get_volume(sink);
entry.muted = pa_sink_get_mute(sink);
return;
name = pa_sprintf_malloc("source:%s", source->name);
+ entry.channel_map = source->channel_map;
entry.volume = *pa_source_get_volume(source);
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 ((old = read_entry(u, name))) {
- if (pa_cvolume_valid(&old->volume)) {
+ if (pa_cvolume_equal(pa_cvolume_remap(&old->volume, &old->channel_map, &entry.channel_map), &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);
gdbm_store(u->gdbm_file, key, data, GDBM_REPLACE);
- if (!u->save_time_event) {
- struct timeval tv;
- pa_gettimeofday(&tv);
- tv.tv_sec += SAVE_INTERVAL;
- u->save_time_event = u->core->mainloop->time_new(u->core->mainloop, &tv, save_time_callback, u);
- }
-
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;
+ trigger_save(u);
}
-
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;
if ((e = read_entry(u, name))) {
- if (e->volume.channels == new_data->sample_spec.channels) {
+ if (u->restore_volume) {
pa_log_info("Restoring volume for sink %s.", new_data->name);
- pa_sink_new_data_set_volume(new_data, &e->volume);
+ pa_sink_new_data_set_volume(new_data, pa_cvolume_remap(&e->volume, &e->channel_map, &new_data->channel_map));
+ }
+
+ 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_log_info("Restoring mute state for sink %s.", new_data->name);
- pa_sink_new_data_set_muted(new_data, e->muted);
pa_xfree(e);
}
if ((e = read_entry(u, name))) {
- if (e->volume.channels == new_data->sample_spec.channels) {
+ if (u->restore_volume) {
pa_log_info("Restoring volume for source %s.", new_data->name);
- pa_source_new_data_set_volume(new_data, &e->volume);
+ pa_source_new_data_set_volume(new_data, pa_cvolume_remap(&e->volume, &e->channel_map, &new_data->channel_map));
+ }
+
+ 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_log_info("Restoring mute state for source %s.", new_data->name);
- pa_source_new_data_set_muted(new_data, e->muted);
pa_xfree(e);
}
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
- char *fname, *runtime_dir;
- char hn[256];
+ char *fname, *fn;
pa_sink *sink;
pa_source *source;
uint32_t idx;
+ pa_bool_t restore_volume = TRUE, restore_muted = TRUE;
pa_assert(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->module = m;
u->save_time_event = NULL;
+ u->restore_volume = restore_volume;
+ u->restore_muted = restore_muted;
+ u->gdbm_file = NULL;
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_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_cb_t) source_fixate_hook_callback, 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);
+ }
- m->userdata = u;
+ /* We include the host identifier in the file name because gdbm
+ * files are CPU dependant, and we don't want things to go wrong
+ * if we are on a multiarch system. */
- if (!pa_get_host_name(hn, sizeof(hn)))
- goto fail;
+ fn = pa_sprintf_malloc("device-volumes."CANONICAL_HOST".gdbm");
+ fname = pa_state_path(fn, TRUE);
+ pa_xfree(fn);
- if (!(runtime_dir = pa_get_runtime_dir()))
+ if (!fname)
goto fail;
- fname = pa_sprintf_malloc("%s/device-volumes.%s.gdbm", runtime_dir, hn);
- pa_xfree(runtime_dir);
-
if (!(u->gdbm_file = gdbm_open(fname, 0, GDBM_WRCREAT, 0600, NULL))) {
pa_log("Failed to open volume database '%s': %s", fname, gdbm_strerror(gdbm_errno));
pa_xfree(fname);