1 files changed, 122 insertions, 0 deletions
diff --git a/engines/sword1/music.h b/engines/sword1/music.h
new file mode 100644
index 0000000000..4f355d3931
--- /dev/null
+++ b/engines/sword1/music.h
@@ -0,0 +1,122 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003-2006 The ScummVM project
+ *
+ * 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 BSMUSIC_H
+#define BSMUSIC_H
+
+#include "common/scummsys.h"
+#include "common/mutex.h"
+#include "common/file.h"
+#include "sound/audiostream.h"
+#include "sound/rate.h"
+
+namespace Audio {
+	class Mixer;
+}
+
+namespace Sword1 {
+
+#define TOTAL_TUNES 270
+
+enum MusicMode {
+	MusicNone = 0,
+	MusicWave,
+	MusicMp3,
+	MusicVorbis
+};
+
+class WaveAudioStream : public AudioStream {
+public:
+	WaveAudioStream(Common::File *source, uint32 pSize);
+	virtual ~WaveAudioStream();
+	virtual int readBuffer(int16 *buffer, const int numSamples);
+	virtual bool isStereo(void) const { return _isStereo; };
+	virtual bool endOfData(void) const;
+	virtual int getRate(void) const { return _rate; };
+private:
+	Common::File	*_sourceFile;
+	uint8	*_sampleBuf;
+	uint32	 _rate;
+	bool	 _isStereo;
+	uint32   _samplesLeft;
+	uint16	 _bitsPerSample;
+};
+
+class MusicHandle : public AudioStream {
+private:
+	Common::File _file;
+	bool _looping;
+	int32 _fading;
+	int32 _fadeSamples;
+	MusicMode _musicMode;
+	AudioStream *_audioSource;
+	AudioStream *createAudioSource(void);
+public:
+	MusicHandle() : _looping(false), _fading(0), _audioSource(NULL) {}
+	virtual int readBuffer(int16 *buffer, const int numSamples);
+	bool play(const char *filename, bool loop);
+	void stop();
+	void fadeUp();
+	void fadeDown();
+	bool streaming() const;
+	int32 fading() { return _fading; }
+	bool endOfData() const;
+	bool endOfStream() const { return false; }
+	bool isStereo() const;
+	int getRate() const;
+};
+
+class Music : public AudioStream {
+public:
+	Music(Audio::Mixer *pMixer);
+	~Music();
+	void startMusic(int32 tuneId, int32 loopFlag);
+	void fadeDown();
+	void setVolume(uint8 volL, uint8 volR);
+	void giveVolume(uint8 *volL, uint8 *volR);
+
+	// AudioStream API
+	int readBuffer(int16 *buffer, const int numSamples) {
+		mixer(buffer, numSamples / 2);
+		return numSamples;
+	}
+	bool isStereo() const { return true; }
+	bool endOfData() const { return false; }
+	int getRate() const { return _sampleRate; }
+
+private:
+	Audio::st_volume_t _volumeL, _volumeR;
+	MusicHandle _handles[2];
+	Audio::RateConverter *_converter[2];
+	Audio::Mixer *_mixer;
+	uint32 _sampleRate;
+	Common::Mutex _mutex;
+
+	static void passMixerFunc(void *param, int16 *buf, uint len);
+	void mixer(int16 *buf, uint32 len);
+
+	static const char _tuneList[TOTAL_TUNES][8]; // in staticres.cpp
+};
+
+} // End of namespace Sword1
+
+#endif // BSMUSIC_H