scummvm/sound.h

75 lines
1.9 KiB
C++

// Residual - Virtual machine to run LucasArts' 3D adventure games
// Copyright (C) 2003 The ScummVM-Residual Team (www.scummvm.org)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef SOUND_H
#define SOUND_H
#include "bits.h"
#include "resource.h"
#include <list>
class Sound : public Resource {
public:
Sound(const char *filename, const char *data, int len);
~Sound();
bool done() const { return currPos_ >= numSamples_; }
private:
int numSamples_, numChannels_, currPos_;
int16 *samples_;
static void init();
void reset();
void mix(int16 *data, int samples);
friend class Mixer;
};
class Mixer {
public:
static Mixer *instance();
void start();
void playVoice(Sound *s);
void playSfx(Sound *s);
void stopSfx(Sound *s);
void stopVoice(Sound *s);
void setImuseState(int state);
void setImuseSeq(int seq);
Sound *findSfx(const char *filename);
bool voicePlaying() const;
void getAudio(int16 *data, int numSamples);
private:
Mixer();
~Mixer();
static Mixer *instance_;
typedef std::list<ResPtr<Sound> > sound_list;
sound_list voiceSounds_, sfxSounds_;
ResPtr<Sound> musicSound_, seqSound_;
friend void mixerCallback(void *userdata, uint8 *stream, int len);
};
#endif