You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
427 lines
12 KiB
427 lines
12 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER
|
|
* (c)LGPL2+
|
|
*
|
|
* LXDE-Qt - a lightweight, Qt based, desktop toolset
|
|
* http://razor-qt.org
|
|
*
|
|
* Copyright: 2012 Razor team
|
|
* Authors:
|
|
* Johannes Zellner <webmaster@nebulon.de>
|
|
*
|
|
* This program or library is free software; you can redistribute it
|
|
* and/or modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU Lesser General
|
|
* Public License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*
|
|
* END_COMMON_COPYRIGHT_HEADER */
|
|
|
|
#include "pulseaudioengine.h"
|
|
|
|
#include "audiodevice.h"
|
|
|
|
#include <QMetaType>
|
|
#include <QtDebug>
|
|
|
|
//#define PULSEAUDIO_ENGINE_DEBUG
|
|
|
|
static void sinkInfoCallback(pa_context *context, const pa_sink_info *info, int isLast, void *userdata)
|
|
{
|
|
PulseAudioEngine *pulseEngine = static_cast<PulseAudioEngine*>(userdata);
|
|
QMap<pa_sink_state, QString> stateMap;
|
|
stateMap[PA_SINK_INVALID_STATE] = "n/a";
|
|
stateMap[PA_SINK_RUNNING] = "RUNNING";
|
|
stateMap[PA_SINK_IDLE] = "IDLE";
|
|
stateMap[PA_SINK_SUSPENDED] = "SUSPENDED";
|
|
|
|
if (isLast < 0) {
|
|
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
|
|
qWarning() << QString("Failed to get sink information: %1").arg(pa_strerror(pa_context_errno(context)));
|
|
return;
|
|
}
|
|
|
|
if (isLast) {
|
|
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
|
|
return;
|
|
}
|
|
|
|
pulseEngine->addOrUpdateSink(info);
|
|
}
|
|
|
|
static void contextEventCallback(pa_context *context, const char *name, pa_proplist *p, void *userdata)
|
|
{
|
|
#ifdef PULSEAUDIO_ENGINE_DEBUG
|
|
qWarning("event received %s", name);
|
|
#endif
|
|
}
|
|
|
|
static void contextStateCallback(pa_context *context, void *userdata)
|
|
{
|
|
PulseAudioEngine *pulseEngine = reinterpret_cast<PulseAudioEngine*>(userdata);
|
|
|
|
// update internal state
|
|
pa_context_state_t state = pa_context_get_state(context);
|
|
pulseEngine->setContextState(state);
|
|
|
|
#ifdef PULSEAUDIO_ENGINE_DEBUG
|
|
switch (state) {
|
|
case PA_CONTEXT_UNCONNECTED:
|
|
qWarning("context unconnected");
|
|
break;
|
|
case PA_CONTEXT_CONNECTING:
|
|
qWarning("context connecting");
|
|
break;
|
|
case PA_CONTEXT_AUTHORIZING:
|
|
qWarning("context authorizing");
|
|
break;
|
|
case PA_CONTEXT_SETTING_NAME:
|
|
qWarning("context setting name");
|
|
break;
|
|
case PA_CONTEXT_READY:
|
|
qWarning("context ready");
|
|
break;
|
|
case PA_CONTEXT_FAILED:
|
|
qWarning("context failed");
|
|
break;
|
|
case PA_CONTEXT_TERMINATED:
|
|
qWarning("context terminated");
|
|
break;
|
|
default:
|
|
qWarning("we should never hit this state");
|
|
}
|
|
#endif
|
|
|
|
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
|
|
}
|
|
|
|
static void contextSuccessCallback(pa_context *context, int success, void *userdata)
|
|
{
|
|
Q_UNUSED(context);
|
|
Q_UNUSED(success);
|
|
Q_UNUSED(userdata);
|
|
|
|
PulseAudioEngine *pulseEngine = reinterpret_cast<PulseAudioEngine*>(userdata);
|
|
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
|
|
}
|
|
|
|
static void contextSubscriptionCallback(pa_context *context, pa_subscription_event_type_t t, uint32_t idx, void *userdata)
|
|
{
|
|
PulseAudioEngine *pulseEngine = reinterpret_cast<PulseAudioEngine*>(userdata);
|
|
if (PA_SUBSCRIPTION_EVENT_REMOVE == t)
|
|
pulseEngine->removeSink(idx);
|
|
else
|
|
pulseEngine->requestSinkInfoUpdate(idx);
|
|
}
|
|
|
|
|
|
PulseAudioEngine::PulseAudioEngine(QObject *parent) :
|
|
AudioEngine(parent),
|
|
m_context(0),
|
|
m_contextState(PA_CONTEXT_UNCONNECTED),
|
|
m_ready(false),
|
|
m_maximumVolume(PA_VOLUME_UI_MAX)
|
|
{
|
|
qRegisterMetaType<pa_context_state_t>("pa_context_state_t");
|
|
|
|
m_reconnectionTimer.setSingleShot(true);
|
|
m_reconnectionTimer.setInterval(100);
|
|
connect(&m_reconnectionTimer, SIGNAL(timeout()), this, SLOT(connectContext()));
|
|
|
|
m_mainLoop = pa_threaded_mainloop_new();
|
|
if (m_mainLoop == 0) {
|
|
qWarning("Unable to create pulseaudio mainloop");
|
|
return;
|
|
}
|
|
|
|
if (pa_threaded_mainloop_start(m_mainLoop) != 0) {
|
|
qWarning("Unable to start pulseaudio mainloop");
|
|
pa_threaded_mainloop_free(m_mainLoop);
|
|
m_mainLoop = 0;
|
|
return;
|
|
}
|
|
|
|
m_mainLoopApi = pa_threaded_mainloop_get_api(m_mainLoop);
|
|
|
|
connect(this, SIGNAL(contextStateChanged(pa_context_state_t)), this, SLOT(handleContextStateChanged()));
|
|
|
|
connectContext();
|
|
}
|
|
|
|
PulseAudioEngine::~PulseAudioEngine()
|
|
{
|
|
if (m_context) {
|
|
pa_context_unref(m_context);
|
|
m_context = 0;
|
|
}
|
|
|
|
if (m_mainLoop) {
|
|
pa_threaded_mainloop_free(m_mainLoop);
|
|
m_mainLoop = 0;
|
|
}
|
|
}
|
|
|
|
void PulseAudioEngine::removeSink(uint32_t idx)
|
|
{
|
|
auto dev_i = std::find_if(m_sinks.begin(), m_sinks.end(), [idx] (AudioDevice * dev) { return dev->index() == idx; });
|
|
if (m_sinks.end() == dev_i)
|
|
return;
|
|
|
|
QScopedPointer<AudioDevice> dev{*dev_i};
|
|
m_cVolumeMap.remove(dev.data());
|
|
m_sinks.erase(dev_i);
|
|
emit sinkListChanged();
|
|
}
|
|
|
|
void PulseAudioEngine::addOrUpdateSink(const pa_sink_info *info)
|
|
{
|
|
AudioDevice *dev = 0;
|
|
bool newSink = false;
|
|
QString name = QString::fromUtf8(info->name);
|
|
|
|
foreach (AudioDevice *device, m_sinks) {
|
|
if (device->name() == name) {
|
|
dev = device;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!dev) {
|
|
dev = new AudioDevice(Sink, this);
|
|
newSink = true;
|
|
}
|
|
|
|
dev->setName(name);
|
|
dev->setIndex(info->index);
|
|
dev->setDescription(QString::fromUtf8(info->description));
|
|
dev->setMuteNoCommit(info->mute);
|
|
|
|
// TODO: save separately? alsa does not have it
|
|
m_cVolumeMap.insert(dev, info->volume);
|
|
|
|
pa_volume_t v = pa_cvolume_avg(&(info->volume));
|
|
// convert real volume to percentage
|
|
dev->setVolumeNoCommit(((double)v * 100.0) / m_maximumVolume);
|
|
|
|
if (newSink) {
|
|
//keep the sinks sorted by index()
|
|
m_sinks.insert(
|
|
std::lower_bound(m_sinks.begin(), m_sinks.end(), dev, [] (AudioDevice const * const a, AudioDevice const * const b) {
|
|
return a->name() < b->name();
|
|
})
|
|
, dev
|
|
);
|
|
emit sinkListChanged();
|
|
}
|
|
}
|
|
|
|
void PulseAudioEngine::requestSinkInfoUpdate(uint32_t idx)
|
|
{
|
|
emit sinkInfoChanged(idx);
|
|
}
|
|
|
|
void PulseAudioEngine::commitDeviceVolume(AudioDevice *device)
|
|
{
|
|
if (!device || !m_ready)
|
|
return;
|
|
|
|
// convert from percentage to real volume value
|
|
pa_volume_t v = ((double)device->volume() / 100.0) * m_maximumVolume;
|
|
pa_cvolume tmpVolume = m_cVolumeMap.value(device);
|
|
pa_cvolume *volume = pa_cvolume_set(&tmpVolume, tmpVolume.channels, v);
|
|
// qDebug() << "PulseAudioEngine::commitDeviceVolume" << v;
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
pa_operation *operation;
|
|
if (device->type() == Sink)
|
|
operation = pa_context_set_sink_volume_by_index(m_context, device->index(), volume, contextSuccessCallback, this);
|
|
else
|
|
operation = pa_context_set_source_volume_by_index(m_context, device->index(), volume, contextSuccessCallback, this);
|
|
|
|
while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
pa_operation_unref(operation);
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
}
|
|
|
|
void PulseAudioEngine::retrieveSinks()
|
|
{
|
|
if (!m_ready)
|
|
return;
|
|
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
pa_operation *operation;
|
|
operation = pa_context_get_sink_info_list(m_context, sinkInfoCallback, this);
|
|
while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
pa_operation_unref(operation);
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
}
|
|
|
|
void PulseAudioEngine::setupSubscription()
|
|
{
|
|
if (!m_ready)
|
|
return;
|
|
|
|
connect(this, &PulseAudioEngine::sinkInfoChanged, this, &PulseAudioEngine::retrieveSinkInfo, Qt::QueuedConnection);
|
|
pa_context_set_subscribe_callback(m_context, contextSubscriptionCallback, this);
|
|
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
pa_operation *operation;
|
|
operation = pa_context_subscribe(m_context, PA_SUBSCRIPTION_MASK_SINK, contextSuccessCallback, this);
|
|
while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
pa_operation_unref(operation);
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
}
|
|
|
|
void PulseAudioEngine::handleContextStateChanged()
|
|
{
|
|
if (m_contextState == PA_CONTEXT_FAILED || m_contextState == PA_CONTEXT_TERMINATED) {
|
|
qWarning("LXQt-Volume: Context connection failed or terminated lets try to reconnect");
|
|
m_reconnectionTimer.start();
|
|
}
|
|
}
|
|
|
|
void PulseAudioEngine::connectContext()
|
|
{
|
|
bool keepGoing = true;
|
|
bool ok = false;
|
|
|
|
m_reconnectionTimer.stop();
|
|
|
|
if (!m_mainLoop)
|
|
return;
|
|
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
if (m_context) {
|
|
pa_context_unref(m_context);
|
|
m_context = 0;
|
|
}
|
|
|
|
m_context = pa_context_new(m_mainLoopApi, "lxqt-volume");
|
|
pa_context_set_state_callback(m_context, contextStateCallback, this);
|
|
pa_context_set_event_callback(m_context, contextEventCallback, this);
|
|
|
|
if (!m_context) {
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
m_reconnectionTimer.start();
|
|
return;
|
|
}
|
|
|
|
if (pa_context_connect(m_context, NULL, (pa_context_flags_t)0, NULL) < 0) {
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
m_reconnectionTimer.start();
|
|
return;
|
|
}
|
|
|
|
while (keepGoing) {
|
|
switch (m_contextState) {
|
|
case PA_CONTEXT_CONNECTING:
|
|
case PA_CONTEXT_AUTHORIZING:
|
|
case PA_CONTEXT_SETTING_NAME:
|
|
break;
|
|
|
|
case PA_CONTEXT_READY:
|
|
keepGoing = false;
|
|
ok = true;
|
|
break;
|
|
|
|
case PA_CONTEXT_TERMINATED:
|
|
keepGoing = false;
|
|
break;
|
|
|
|
case PA_CONTEXT_FAILED:
|
|
default:
|
|
qWarning() << QString("Connection failure: %1").arg(pa_strerror(pa_context_errno(m_context)));
|
|
keepGoing = false;
|
|
}
|
|
|
|
if (keepGoing)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
}
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
|
|
if (ok) {
|
|
retrieveSinks();
|
|
setupSubscription();
|
|
} else {
|
|
m_reconnectionTimer.start();
|
|
}
|
|
}
|
|
|
|
void PulseAudioEngine::retrieveSinkInfo(uint32_t idx)
|
|
{
|
|
if (!m_ready)
|
|
return;
|
|
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
pa_operation *operation;
|
|
operation = pa_context_get_sink_info_by_index(m_context, idx, sinkInfoCallback, this);
|
|
while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
pa_operation_unref(operation);
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
}
|
|
|
|
void PulseAudioEngine::setMute(AudioDevice *device, bool state)
|
|
{
|
|
if (!m_ready)
|
|
return;
|
|
|
|
pa_threaded_mainloop_lock(m_mainLoop);
|
|
|
|
pa_operation *operation;
|
|
operation = pa_context_set_sink_mute_by_index(m_context, device->index(), state, contextSuccessCallback, this);
|
|
while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
|
|
pa_threaded_mainloop_wait(m_mainLoop);
|
|
pa_operation_unref(operation);
|
|
|
|
pa_threaded_mainloop_unlock(m_mainLoop);
|
|
}
|
|
|
|
void PulseAudioEngine::setContextState(pa_context_state_t state)
|
|
{
|
|
if (m_contextState == state)
|
|
return;
|
|
|
|
m_contextState = state;
|
|
|
|
// update ready member as it depends on state
|
|
if (m_ready == (m_contextState == PA_CONTEXT_READY))
|
|
return;
|
|
|
|
m_ready = (m_contextState == PA_CONTEXT_READY);
|
|
|
|
emit contextStateChanged(m_contextState);
|
|
emit readyChanged(m_ready);
|
|
}
|
|
|
|
void PulseAudioEngine::setIgnoreMaxVolume(bool ignore)
|
|
{
|
|
if (ignore)
|
|
m_maximumVolume = PA_VOLUME_UI_MAX;
|
|
else
|
|
m_maximumVolume = pa_sw_volume_from_dB(0);
|
|
}
|
|
|
|
|
|
|