1 files changed, 57 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/audiodev.h b/muse_qt4_evolution/muse/audiodev.h
new file mode 100644
index 00000000..39521a03
--- /dev/null
+++ b/muse_qt4_evolution/muse/audiodev.h
@@ -0,0 +1,57 @@
+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#ifndef __AUDIODEV_H__
+#define __AUDIODEV_H__
+
+#include "driver.h"
+
+class MidiInPort;
+
+//---------------------------------------------------------
+//   AudioDevice
+//---------------------------------------------------------
+
+class AudioDriver : public Driver {
+
+   public:
+      AudioDriver() {}
+      virtual ~AudioDriver() {}
+
+      virtual void start(int priority) = 0;
+      virtual bool restart() { return false; }           // return true on error
+      virtual void stop () = 0;
+      virtual unsigned frameTime() const = 0;
+      virtual float* getBuffer(Port, unsigned long nframes) = 0;
+      virtual void registerClient() = 0;
+      virtual Port registerOutPort(const QString& name, bool midi) = 0;
+      virtual Port registerInPort(const QString& name, bool midi) = 0;
+      virtual int realtimePriority() const = 0;	// return zero if not realtime
+      virtual void startTransport() = 0;
+      virtual void stopTransport() = 0;
+      virtual void seekTransport(unsigned frame) = 0;
+      virtual void setFreewheel(bool f) = 0;
+      virtual void graphChanged() {}
+      virtual void startMidiCycle(Port) {}
+      virtual void collectMidiEvents(MidiInPort*, Port) {}
+      };
+
+#endif
+