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// Copyright (c) 2000-2001 Brad Hughes <bhughes@trolltech.com>
//
// Use, modification and distribution is allowed without limitation,
// warranty, or liability of any kind.
//
#include <QtGui>
#include <QObject>
#include <QStringList>
#include <QApplication>
#include <QTimer>
#include "constants.h"
#include "output.h"
#include <stdio.h>
// static methods
static QList<OutputFactory*> *factories = 0;
static QStringList files;
static QTimer *timer = 0;
static void checkFactories()
{
if ( ! factories )
{
files.clear();
factories = new QList<OutputFactory *>;
QDir pluginsDir ( qApp->applicationDirPath() );
pluginsDir.cdUp();
pluginsDir.cd ( "./"LIB_DIR"/qmmp/Output" );
foreach ( QString fileName, pluginsDir.entryList ( QDir::Files ) )
{
QPluginLoader loader ( pluginsDir.absoluteFilePath ( fileName ) );
QObject *plugin = loader.instance();
if ( loader.isLoaded() )
{
qDebug ( "Output: plugin loaded - %s", qPrintable ( fileName ) );
}
OutputFactory *factory = 0;
if ( plugin )
factory = qobject_cast<OutputFactory *> ( plugin );
if ( factory )
{
Output::registerFactory ( factory );
files << pluginsDir.absoluteFilePath(fileName);
}
}
}
}
void Output::registerFactory ( OutputFactory *fact )
{
factories->append ( fact );
}
Output *Output::create ( QObject *parent )
{
Output *output = 0;
checkFactories();
if (factories->isEmpty ())
{
qDebug("Output: unable to find output plugins");
return output;
}
QSettings settings ( QDir::homePath() +"/.qmmp/qmmprc", QSettings::IniFormat );
QString pluginFileName =
settings.value("Output/plugin_file","libalsa.so").toString();
int j = 0;
for (int i = 0; i < factories->size(); ++i)
{
if (files.at(i).section('/',-1) == pluginFileName)
j = i;
}
OutputFactory *fact = factories->at (j);
if ( fact )
{
output = fact->create (parent);
}
switch ((int) output->volumeControl())
{
case Output::Standard:
{
break;
}
case Output::Custom:
{
timer = new QTimer(output);
connect(timer, SIGNAL(timeout()), output, SLOT(checkVolume()));
timer->start(125);
break;
}
case Output::Disabled:
{
break;
}
}
return output;
}
QList<OutputFactory*> *Output::outputFactories()
{
checkFactories();
return factories;
}
QStringList Output::outputFiles()
{
checkFactories();
return files;
}
Output::Output ( QObject* parent, VolumeType vt) : QThread (parent), r (stackSize())
{
qRegisterMetaType<OutputState>("OutputState");
m_vol = vt;
}
Output::~Output()
{
qDebug("Output::~Output()");
Visual *visual = 0;
foreach(visual, m_vis_map.values ())
{
visual->close();
}
//m_vis_map.clear();
}
void Output::error ( const QString &e )
{
emit stateChanged ( OutputState ( e ) );
}
void Output::addVisual ( Visual *v )
{
if (visuals.indexOf (v) == -1)
{
visuals.append (v);
v->setOutput(this);
qDebug("Output: added external visualization");
}
}
void Output::removeVisual (Visual *v)
{
visuals.removeAll (v);
if (m_vis_map.key(v))
{
VisualFactory *factory = m_vis_map.key(v);
m_vis_map.remove(factory);
//Visual::setEnabled(factory, FALSE);
}
}
void Output::addVisual(VisualFactory *factory, QWidget *parent)
{
if (m_vis_map.value(factory))
return;
Visual::setEnabled(factory, TRUE);
Visual* visual = factory->create(parent);
visual->setWindowFlags(Qt::Window);
if (visual)
{
visual->setOutput(this);
qDebug("Output: added visual factory: %s",
qPrintable(factory->properties().name));
m_vis_map.insert (factory, visual);
visual->show();
}
}
void Output::removeVisual(VisualFactory *factory)
{
if (m_vis_map.value(factory))
{
m_vis_map.value(factory)->close();
m_vis_map.remove (factory);
}
Visual::setEnabled(factory, FALSE);
}
void Output::dispatchVisual ( Buffer *buffer, unsigned long written,
int chan, int prec )
{
if ( ! buffer || !visuals.size())
return;
Visual* visual = 0;
foreach (visual , visuals) //external
{
visual->mutex()->lock ();
visual->add ( buffer, written, chan, prec );
visual->mutex()->unlock();
}
foreach (visual , m_vis_map.values ()) //internal
{
visual->mutex()->lock ();
visual->add ( buffer, written, chan, prec );
visual->mutex()->unlock();
}
}
void Output::clearVisuals()
{
Visual *visual = 0;
foreach (visual, visuals )
{
visual->mutex()->lock ();
visual->clear();
visual->mutex()->unlock();
}
foreach(visual, m_vis_map.values ())
{
visual->mutex()->lock ();
visual->clear();
visual->mutex()->unlock();
}
}
void Output::dispatch(OutputState::Type st)
{
if (st == OutputState::Stopped)
clearVisuals();
emit stateChanged ( OutputState(st) );
}
void Output::dispatch(long s, unsigned long w, int b, int f, int p, int c)
{
emit stateChanged ( OutputState(s, w, b, f, p, c) );
}
void Output::dispatch ( const OutputState &st )
{
if (st.type() == OutputState::Stopped)
clearVisuals();
emit stateChanged ( st );
}
void Output::dispatchVolume(int L, int R)
{
emit stateChanged ( OutputState(L, R) );
}
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