static void ext_stream_restore_subscribe_cb(pa_context *context, void *data)
{
Q_ASSERT(context);
Q_ASSERT(data);
if (!PAOperation(pa_ext_stream_restore_read(context, ext_stream_restore_read_cb, data))) {
qCWarning(PLASMAPA) << "pa_ext_stream_restore_read() failed";
}
}
void PulseAudioSinksManager::setDefaultSink(const QString& name)
{
defaultDevice = name;
std::string std_name = defaultDevice.toStdString();
qDebug() << "setting sink to "<<name<<", and from std_String to "<<std_name.c_str();
PaOperation op(pa_context_set_default_sink (pa_ctx.get(),std_name.c_str(),NULL,NULL));
if (!op) {
//g_warning ("pa_context_set_default_sink() failed: %s",
// pa_strerror (pa_context_errno (control->priv->pa_context)));
return;
}
op = pa_ext_stream_restore_read (pa_ctx.get(), PulseAudioSinksManager::pulseAudioMixerControlStreamRestoreCallback,
this);
if (!op) {
return;
}
}
void Context::contextStateCallback(pa_context *c)
{
qCDebug(PLASMAPA) << "state callback";
pa_context_state_t state = pa_context_get_state(c);
if (state == PA_CONTEXT_READY) {
qCDebug(PLASMAPA) << "ready";
// 1. Register for the stream changes (except during probe)
if (m_context == c) {
pa_context_set_subscribe_callback(c, subscribe_cb, this);
if (!PAOperation(pa_context_subscribe(c, (pa_subscription_mask_t)
(PA_SUBSCRIPTION_MASK_SINK|
PA_SUBSCRIPTION_MASK_SOURCE|
PA_SUBSCRIPTION_MASK_CLIENT|
PA_SUBSCRIPTION_MASK_SINK_INPUT|
PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT|
PA_SUBSCRIPTION_MASK_CARD|
PA_SUBSCRIPTION_MASK_SERVER), nullptr, nullptr))) {
qCWarning(PLASMAPA) << "pa_context_subscribe() failed";
return;
}
}
if (!PAOperation(pa_context_get_sink_info_list(c, sink_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_get_sink_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_source_info_list(c, source_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_get_source_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_client_info_list(c, client_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_client_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_card_info_list(c, card_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_get_card_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_sink_input_info_list(c, sink_input_callback, this))) {
qCWarning(PLASMAPA) << "pa_context_get_sink_input_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_source_output_info_list(c, source_output_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_get_source_output_info_list() failed";
return;
}
if (!PAOperation(pa_context_get_server_info(c, server_cb, this))) {
qCWarning(PLASMAPA) << "pa_context_get_server_info() failed";
return;
}
if (PAOperation(pa_ext_stream_restore_read(c, ext_stream_restore_read_cb, this))) {
pa_ext_stream_restore_set_subscribe_cb(c, ext_stream_restore_subscribe_cb, this);
PAOperation(pa_ext_stream_restore_subscribe(c, 1, nullptr, this));
} else {
qCWarning(PLASMAPA) << "Failed to initialize stream_restore extension";
}
} else if (!PA_CONTEXT_IS_GOOD(state)) {
qCWarning(PLASMAPA) << "context kaput";
if (m_context) {
pa_context_unref(m_context);
m_context = nullptr;
}
reset();
QTimer::singleShot(1000, this, &Context::connectToDaemon);
}
}
void PulseAudioSystem::restore_sink_input_list_callback(pa_context *c, const pa_sink_input_info *i, int eol, void *userdata) {
PulseAudioSystem *pas = reinterpret_cast<PulseAudioSystem *>(userdata);
if (eol == 0) {
// if we were tracking this specific sink previously
if (pas->qhVolumes.contains(i->index)) {
// and if it has the attenuated volume we applied to it
if (pa_cvolume_equal(&i->volume, &pas->qhVolumes[i->index].attenuated_volume) != 0) {
// mark it as matched
pas->qlMatchedSinks.append(i->index);
// reset the volume to normal
pas->iRemainingOperations++;
pa_operation_unref(pa_context_set_sink_input_volume(c, i->index, &pas->qhVolumes[i->index].normal_volume, restore_volume_success_callback, pas));
}
// otherwise, save for matching at the end of iteration
} else {
QString restore_id = QLatin1String(pa_proplist_gets(i->proplist, "module-stream-restore.id"));
PulseAttenuation patt;
patt.index = i->index;
patt.normal_volume = i->volume;
pas->qhUnmatchedSinks[restore_id] = patt;
}
} else if (eol < 0) {
qWarning("PulseAudio: Sink input introspection error.");
} else {
// build a list of missing streams by iterating our active list
QHash<uint32_t, PulseAttenuation>::const_iterator it;
for (it = pas->qhVolumes.constBegin(); it != pas->qhVolumes.constEnd(); ++it) {
// skip if previously matched
if (pas->qlMatchedSinks.contains(it.key())) {
continue;
}
// check if the restore id matches. the only case where this would
// happen is if the application was reopened during attenuation.
if (pas->qhUnmatchedSinks.contains(it.value().stream_restore_id)) {
PulseAttenuation active_sink = pas->qhUnmatchedSinks[it.value().stream_restore_id];
// if the volume wasn't changed from our attenuation
if (pa_cvolume_equal(&active_sink.normal_volume, &it.value().attenuated_volume) != 0) {
// reset the volume to normal
pas->iRemainingOperations++;
pa_operation_unref(pa_context_set_sink_input_volume(c, active_sink.index, &it.value().normal_volume, restore_volume_success_callback, pas));
}
continue;
}
// at this point, we don't know what happened to the sink. add
// it to a list to check the stream restore database for.
pas->qhMissingSinks[it.value().stream_restore_id] = it.value();
}
// clean up
pas->qlMatchedSinks.clear();
pas->qhUnmatchedSinks.clear();
pas->qhVolumes.clear();
// if we had missing sinks, check the stream restore database
// to see if we can find and update them.
if (pas->qhMissingSinks.count() > 0) {
pas->iRemainingOperations++;
pa_operation_unref(pa_ext_stream_restore_read(c, stream_restore_read_callback, pas));
}
// trigger the volume completion callback;
// necessary so that shutdown actions are called
restore_volume_success_callback(c, 1, pas);
}
}
