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store channel map in database and remap volumes if ncessary

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This commit is contained in:
Lennart Poettering 2008-08-04 18:55:50 +02:00
parent 5880516076
commit 32cf9db434
1 changed files with 22 additions and 10 deletions
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32
src/modules/module-device-restore.c
View file

@ -1,7 +1,7 @@
/***
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
@ -64,6 +64,7 @@ static const char* const valid_modargs[] = {
struct userdata {
pa_core *core;
pa_module *module;
pa_subscription *subscription;
pa_hook_slot
*sink_fixate_hook_slot,
@ -76,6 +77,7 @@ struct userdata {
};
struct entry {
pa_channel_map channel_map;
pa_cvolume volume;
pa_bool_t muted:1;
};
@ -123,6 +125,16 @@ static struct entry* read_entry(struct userdata *u, char *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:
@ -153,6 +165,7 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
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);
@ -165,13 +178,14 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
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);
}
if ((old = read_entry(u, name))) {
if (pa_cvolume_equal(&old->volume, &entry.volume) &&
if (pa_cvolume_equal(pa_cvolume_remap(&old->volume, &old->channel_map, &entry.channel_map), &entry.volume) &&
!old->muted == !entry.muted) {
pa_xfree(old);
@ -212,11 +226,9 @@ static pa_hook_result_t sink_fixate_hook_callback(pa_core *c, pa_sink_new_data *
if ((e = read_entry(u, name))) {
if (u->restore_volume &&
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) {
@ -242,11 +254,9 @@ static pa_hook_result_t source_fixate_hook_callback(pa_core *c, pa_source_new_da
if ((e = read_entry(u, name))) {
if (u->restore_volume &&
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) {
@ -290,9 +300,11 @@ int pa__init(pa_module*m) {
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);