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stream-restore: Save/restore source output volume/mute

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This commit is contained in:
Colin Guthrie 2011-08-07 01:08:28 +02:00
parent 8c93d7dc80
commit e8df86807e
1 changed files with 91 additions and 1 deletions
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92
src/modules/module-stream-restore.c
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@ -90,6 +90,7 @@ struct userdata {
*sink_input_new_hook_slot,
*sink_input_fixate_hook_slot,
*source_output_new_hook_slot,
*source_output_fixate_hook_slot,
*sink_put_hook_slot,
*source_put_hook_slot,
*sink_unlink_hook_slot,
@ -1322,6 +1323,26 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
} else
entry = entry_new();
if (source_output->save_volume && pa_source_output_is_volume_readable(source_output)) {
pa_assert(source_output->volume_writable);
entry->channel_map = source_output->channel_map;
pa_source_output_get_volume(source_output, &entry->volume, FALSE);
entry->volume_valid = TRUE;
volume_updated = !created_new_entry
&& (!old->volume_valid
|| !pa_channel_map_equal(&entry->channel_map, &old->channel_map)
|| !pa_cvolume_equal(&entry->volume, &old->volume));
}
if (source_output->save_muted) {
entry->muted = pa_source_output_get_mute(source_output);
entry->muted_valid = TRUE;
mute_updated = !created_new_entry && (!old->muted_valid || entry->muted != old->muted);
}
if (source_output->save_source) {
pa_xfree(entry->device);
entry->device = pa_xstrdup(source_output->source->name);
@ -1516,6 +1537,57 @@ static pa_hook_result_t source_output_new_hook_callback(pa_core *c, pa_source_ou
return PA_HOOK_OK;
}
static pa_hook_result_t source_output_fixate_hook_callback(pa_core *c, pa_source_output_new_data *new_data, struct userdata *u) {
char *name;
struct entry *e;
pa_assert(c);
pa_assert(new_data);
pa_assert(u);
pa_assert(u->restore_volume || u->restore_muted);
if (!(name = get_name(new_data->proplist, "source-output")))
return PA_HOOK_OK;
if ((e = entry_read(u, name))) {
if (u->restore_volume && e->volume_valid) {
if (!new_data->volume_writable)
pa_log_debug("Not restoring volume for source output %s, because its volume can't be changed.", name);
else if (new_data->volume_is_set)
pa_log_debug("Not restoring volume for source output %s, because already set.", name);
else {
pa_cvolume v;
pa_log_info("Restoring volume for source output %s.", name);
v = e->volume;
pa_cvolume_remap(&v, &e->channel_map, &new_data->channel_map);
pa_source_output_new_data_set_volume(new_data, &v);
new_data->volume_is_absolute = FALSE;
new_data->save_volume = TRUE;
}
}
if (u->restore_muted && e->muted_valid) {
if (!new_data->muted_is_set) {
pa_log_info("Restoring mute state for source output %s.", name);
pa_source_output_new_data_set_muted(new_data, e->muted);
new_data->save_muted = TRUE;
} else
pa_log_debug("Not restoring mute state for source output %s, because already set.", name);
}
entry_free(e);
}
pa_xfree(name);
return PA_HOOK_OK;
}
static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, struct userdata *u) {
pa_sink_input *si;
uint32_t idx;
@ -1771,6 +1843,20 @@ static void entry_apply(struct userdata *u, const char *name, struct entry *e) {
}
pa_xfree(n);
if (u->restore_volume && e->volume_valid && so->volume_writable) {
pa_cvolume v;
v = e->volume;
pa_log_info("Restoring volume for source output %s.", name);
pa_cvolume_remap(&v, &e->channel_map, &so->channel_map);
pa_source_output_set_volume(so, &v, TRUE, FALSE);
}
if (u->restore_muted && e->muted_valid) {
pa_log_info("Restoring mute state for source output %s.", name);
pa_source_output_set_mute(so, e->muted, TRUE);
}
if (u->restore_device) {
if (!e->device_valid) {
if (so->save_source) {
@ -2148,8 +2234,10 @@ int pa__init(pa_module*m) {
u->source_unlink_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) source_unlink_hook_callback, u);
}
if (restore_volume || restore_muted)
if (restore_volume || restore_muted) {
u->sink_input_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) sink_input_fixate_hook_callback, u);
u->source_output_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) source_output_fixate_hook_callback, u);
}
if (!(fname = pa_state_path("stream-volumes", TRUE)))
goto fail;
@ -2254,6 +2342,8 @@ void pa__done(pa_module*m) {
pa_hook_slot_free(u->sink_input_fixate_hook_slot);
if (u->source_output_new_hook_slot)
pa_hook_slot_free(u->source_output_new_hook_slot);
if (u->source_output_fixate_hook_slot)
pa_hook_slot_free(u->source_output_fixate_hook_slot);
if (u->sink_put_hook_slot)
pa_hook_slot_free(u->sink_put_hook_slot);