Patch #2638336: Broken Sword PSX Support Part 2 of 2

svn-id: r38957

1 files changed, 58 insertions, 0 deletions

diff --git a/engines/sword1/vag.h b/engines/sword1/vag.h
new file mode 100644
index 0000000000..e9f429a599
--- /dev/null
+++ b/engines/sword1/vag.h
@@ -0,0 +1,58 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+ 
+#ifndef SWORD1_VAG_H
+#define SWORD1_VAG_H
+
+#include "sound/audiostream.h"
+#include "common/stream.h"
+ 
+namespace Sword1 {
+
+class VagStream : public Audio::AudioStream {
+public:
+	VagStream(Common::SeekableReadStream *stream, bool loop = false);
+	~VagStream();
+	
+	bool isStereo() const { return false; }
+	bool endOfData() const { return _stream->pos() == _stream->size(); }
+	int getRate() const { return 11025; }
+	int readBuffer(int16 *buffer, const int numSamples);
+
+	void rewind();	
+
+private:
+	Common::SeekableReadStream *_stream;
+
+	bool _loop;
+	byte _predictor;
+	double _samples[28];
+	byte _samplesRemaining;
+	double _s1, _s2;
+};
+
+} // End of namespace Sword1
+
+#endif