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/* 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_MUSIC_H
#define SWORD1_MUSIC_H
#include "common/scummsys.h"
#include "common/mutex.h"
#include "common/file.h"
#include "sound/audiostream.h"
#include "sound/mixer.h"
#include "sound/rate.h"
namespace Sword1 {
#define TOTAL_TUNES 270
class MusicHandle : public Audio::AudioStream {
private:
Common::File _file;
int32 _fading;
int32 _fadeSamples;
Audio::AudioStream *_audioSource;
public:
MusicHandle() : _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 Audio::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;
Audio::SoundHandle _soundHandle;
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
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