From 2d622fd9bcb8da9dd3f3206e296cd6a701fc9d12 Mon Sep 17 00:00:00 2001
From: vovanec <vovanec@90c681e8-e032-0410-971d-27865f9a5e38>
Date: Sat, 23 Jun 2007 16:48:01 +0000
Subject: moved into qmmp dir

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@12 90c681e8-e032-0410-971d-27865f9a5e38
---
 lib/output.cpp | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 192 insertions(+)
 create mode 100644 lib/output.cpp

(limited to 'lib/output.cpp')

diff --git a/lib/output.cpp b/lib/output.cpp
new file mode 100644
index 000000000..0d0e4de99
--- /dev/null
+++ b/lib/output.cpp
@@ -0,0 +1,192 @@
+// 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 "output.h"
+#include "visualization.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/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()
+{}
+
+void Output::error ( const QString &e )
+{
+    emit stateChanged ( OutputState ( e ) );
+}
+
+
+void Output::addVisual ( Visualization *v )
+{
+    if ( visuals.indexOf ( v ) == -1 )
+    {
+        visuals.append ( v );
+    }
+}
+
+
+void Output::removeVisual ( Visualization *v )
+{
+    visuals.removeAll ( v );
+}
+
+void Output::dispatchVisual ( Buffer *buffer, unsigned long written,
+                              int chan, int prec )
+{
+    if ( ! buffer || !visuals.size())
+        return;
+    Visualization *visual = 0;
+    foreach (visual , visuals );
+    {
+        visual->mutex()->lock ();
+        visual->add ( buffer, written, chan, prec );
+        visual->mutex()->unlock();
+    }
+}
+
+
+void Output::prepareVisuals()
+{
+    //Visual *visual = visuals.first();
+    /*while (visual) {
+    visual->mutex()->lock();
+    visual->prepare();
+    visual->mutex()->unlock();
+
+    visual = visuals.next();
+    }*/
+}
+
+void Output::dispatch(OutputState::Type st)
+{
+    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 )
+{
+    emit stateChanged ( st );
+}
+
+void Output::dispatchVolume(int L, int R)
+{
+    emit stateChanged ( OutputState(L, R) );
+}
-- 
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