1 files changed, 66 insertions, 0 deletions
diff --git a/src/sound/SoundDriverFactory.cpp b/src/sound/SoundDriverFactory.cpp
new file mode 100644
index 0000000..d081a4e
--- /dev/null
+++ b/src/sound/SoundDriverFactory.cpp
@@ -0,0 +1,66 @@
+// -*- c-indentation-style:"stroustrup" c-basic-offset: 4 -*-
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral right of the authors to claim authorship of this work
+    has been asserted.
+ 
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include "DummyDriver.h"
+
+#ifdef HAVE_ALSA
+#include "AlsaDriver.h"
+#endif
+
+#include "SoundDriverFactory.h"
+
+namespace Rosegarden
+{
+
+SoundDriver *
+SoundDriverFactory::createDriver(MappedStudio *studio)
+{
+    SoundDriver *driver = 0;
+    bool initialised = false;
+#ifdef NO_SOUND
+
+    driver = new DummyDriver(studio);
+#else
+#ifdef HAVE_ALSA
+
+    driver = new AlsaDriver(studio);
+#endif
+#endif
+
+    initialised = driver->initialise();
+
+    if ( ! initialised ) {
+        driver->shutdown();
+        delete driver;
+
+        // if the driver couldn't be initialised, then
+        // fall to the DummyDriver as a last chance,
+        // so GUI can still be used for notation.
+        //
+        driver = new DummyDriver(studio);
+        driver->initialise();
+    }
+    return driver;
+}
+
+
+}
+
+