some ladspa plugin changes

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1426 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 110 insertions, 0 deletions

diff --git a/src/plugins/Effect/ladspa/ladspahost.h b/src/plugins/Effect/ladspa/ladspahost.h
new file mode 100644
index 000000000..c73d81ab3
--- /dev/null
+++ b/src/plugins/Effect/ladspa/ladspahost.h
@@ -0,0 +1,110 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef LADSPAHOST_H
+#define LADSPAHOST_H
+
+#include <QMutex>
+#include <QList>
+#include <qmmp/effect.h>
+#include "ladspa.h"
+
+class QWidget;
+
+#define MAX_SAMPLES 8192
+#define MAX_KNOBS 64
+
+/**
+    @author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+class LADSPAPlugin
+{
+public:
+    QString name;
+    QString fileName;
+    long id;
+    long unique_id;
+    bool stereo;
+};
+
+class LADSPAControl
+{
+public:
+    enum Type
+    {
+        BUTTON = 0,
+        SLIDER
+    };
+    double min;
+    double max;
+    double step;
+    LADSPA_Data *value;
+    bool type;
+    QString name;
+};
+
+class LADSPAEffect
+{
+public:
+    void *library;
+    QString fileName;
+    bool stereo;
+    const LADSPA_Descriptor *descriptor;
+    LADSPA_Handle handle;	/* left or mono */
+    LADSPA_Handle handle2;	/* right stereo */
+    LADSPA_Data knobs[MAX_KNOBS];
+    QList <LADSPAControl*> controls;
+};
+
+
+class LADSPAHost : public Effect
+{
+public:
+    LADSPAHost();
+
+    virtual ~LADSPAHost();
+
+    ulong process(char *in_data, const ulong size, char **out_data);
+    void configure(quint32 freq, int chan, int res);
+    QList <LADSPAPlugin *> plugins();
+    QList <LADSPAEffect *> runningPlugins();
+    LADSPAEffect *addPlugin(LADSPAPlugin * plugin);
+    void unload(LADSPAEffect *instance);
+
+    static LADSPAHost* instance();
+
+private:
+    int applyEffect(qint16 *d, int length);
+
+    void bootPlugin(LADSPAEffect *instance);
+    void findAllPlugins();
+    void findPlugins(const QString &path);
+    LADSPAEffect *load(const QString &path, long num);
+    void portAssign(LADSPAEffect *instance);
+    void initialize(LADSPAEffect *instance);
+
+    QList <LADSPAPlugin *> m_plugins;
+    QList <LADSPAEffect *> m_effects;
+
+    LADSPA_Data m_left[MAX_SAMPLES], m_right[MAX_SAMPLES], m_trash[MAX_SAMPLES];
+
+    static LADSPAHost *m_instance;
+};
+
+#endif