From 220d6ce82f478966db6a4760b2288750212880b9 Mon Sep 17 00:00:00 2001
From: Sven Hesse
Date: Thu, 8 May 2008 00:47:23 +0000
Subject: Restructured sound code

svn-id: r31937
---
 engines/gob/sound/sounddesc.h | 85 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 engines/gob/sound/sounddesc.h

(limited to 'engines/gob/sound/sounddesc.h')

diff --git a/engines/gob/sound/sounddesc.h b/engines/gob/sound/sounddesc.h
new file mode 100644
index 0000000000..ed4447254c
--- /dev/null
+++ b/engines/gob/sound/sounddesc.h
@@ -0,0 +1,85 @@
+/* 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 GOB_SOUND_SOUNDDESC_H
+#define GOB_SOUND_SOUNDDESC_H
+
+#include "common/endian.h"
+
+namespace Gob {
+
+enum SoundType {
+	SOUND_SND,
+	SOUND_ADL
+};
+
+enum SoundSource {
+	SOUND_FILE,
+	SOUND_TOT,
+	SOUND_EXT
+};
+
+class SoundDesc {
+public:
+	int16 _repCount;
+	int16 _frequency;
+	int16 _flag;
+	int16 _id;
+
+	byte *getData() { return _dataPtr; }
+
+	uint32    size()         const { return _size;     }
+	bool      empty()        const { return !_dataPtr; }
+	SoundType getType()      const { return _type;     }
+
+	bool isId(int16 id) const { return _dataPtr && (_id == id); }
+
+	void set(SoundType type, SoundSource src, byte *data, uint32 dSize);
+	void load(SoundType type, SoundSource src, byte *data, uint32 dSize);
+	void free();
+	void convToSigned();
+
+	// Which fade out length to use when the fade starts half-way through?
+	int16 calcFadeOutLength(int16 frequency);
+	uint32 calcLength(int16 repCount, int16 frequency, bool fade);
+
+	SoundDesc();
+	~SoundDesc();
+
+private:
+	byte *_data;
+	byte *_dataPtr;
+	uint32 _size;
+
+	SoundType _type;
+	SoundSource _source;
+
+	void loadSND(byte *data, uint32 dSize);
+	void loadADL(byte *data, uint32 dSize);
+};
+
+} // End of namespace Gob
+
+#endif // GOB_SOUND_SOUNDDESC_H
-- 
cgit v1.2.3