From 15318cad33835e4e2dc620d033e43cd930676cdd Mon Sep 17 00:00:00 2001
From: kergoth <kergoth>
Date: Fri, 25 Jan 2002 22:14:26 +0000
Subject: Initial revision

---
(limited to 'core/multimedia/opieplayer/audiodevice.h')

diff --git a/core/multimedia/opieplayer/audiodevice.h b/core/multimedia/opieplayer/audiodevice.h
new file mode 100644
index 0000000..928f134
--- a/dev/null
+++ b/core/multimedia/opieplayer/audiodevice.h
@@ -0,0 +1,71 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+#ifndef AUDIODEVICE_H
+#define AUDIODEVICE_H
+
+
+#include <qobject.h>
+
+
+class AudioDevicePrivate;
+
+
+class AudioDevice : public QObject {
+    Q_OBJECT
+public:
+    AudioDevice( unsigned int freq = 44000, unsigned int channels = 2, unsigned int bytesPerSample = 2 );
+    ~AudioDevice();
+
+    unsigned int canWrite() const;
+    void write( char *buffer, unsigned int length );
+    int bytesWritten();
+
+    unsigned int channels() const;
+    unsigned int frequency() const;
+    unsigned int bytesPerSample() const;
+    unsigned int bufferSize() const;
+
+    // Each volume level is from 0 to 0xFFFF
+    static void getVolume( unsigned int& left, unsigned int& right, bool& muted );
+    static void setVolume( unsigned int  left, unsigned int  right, bool  muted );
+
+    static unsigned int leftVolume()  { bool muted; unsigned int l, r; getVolume( l, r, muted ); return l;     }
+    static unsigned int rightVolume() { bool muted; unsigned int l, r; getVolume( l, r, muted ); return r;     }
+    static bool         isMuted()     { bool muted; unsigned int l, r; getVolume( l, r, muted ); return muted; }
+
+    static void increaseVolume() { setVolume( leftVolume() + 1968, rightVolume() + 1968, isMuted() ); }
+    static void decreaseVolume() { setVolume( leftVolume() - 1966, rightVolume() - 1966, isMuted() ); }
+
+public slots:
+    // Convinence functions derived from above functions
+    void setVolume( unsigned int level ) { setVolume( level, level, isMuted() ); }
+    void mute() { setVolume( leftVolume(), rightVolume(), TRUE ); }
+    void volumeChanged( bool muted );
+
+signals:
+    void completedIO();
+
+private:
+    AudioDevicePrivate *d;
+};
+
+
+#endif // AUDIODEVICE_H
+
--
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