Restructured sound code

svn-id: r31937

1 files changed, 55 insertions, 0 deletions

diff --git a/engines/gob/sound/pcspeaker.cpp b/engines/gob/sound/pcspeaker.cpp
new file mode 100644
index 0000000000..0d1fc0a6db
--- /dev/null
+++ b/engines/gob/sound/pcspeaker.cpp
@@ -0,0 +1,55 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "gob/sound/pcspeaker.h"
+
+namespace Gob {
+
+PCSpeaker::PCSpeaker(Audio::Mixer &mixer) : _mixer(&mixer) {
+
+	_stream = new Audio::PCSpeaker(_mixer->getOutputRate());
+	_mixer->playInputStream(Audio::Mixer::kSFXSoundType,
+			&_handle, _stream, -1, 50, 0, false, true);
+}
+
+PCSpeaker::~PCSpeaker() {
+	_mixer->stopHandle(_handle);
+	delete _stream;
+}
+
+void PCSpeaker::speakerOn(int16 frequency, int32 length) {
+	_stream->play(Audio::PCSpeaker::kWaveFormSquare, frequency, length);
+}
+
+void PCSpeaker::speakerOff() {
+	_stream->stop();
+}
+
+void PCSpeaker::onUpdate(uint32 millis) {
+	if (_stream->isPlaying())
+		_stream->stop(millis);
+}
+
+} // End of namespace Gob