audio_mixer.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef ULTIMA8_AUDIO_AUDIOMIXER_H
#define ULTIMA8_AUDIO_AUDIOMIXER_H
 
#include "audio/mixer.h"
#include "audio/mididrv.h"
#include "common/array.h"
 
namespace Ultima {
namespace Ultima8 {
 
class MidiPlayer;
class AudioChannel;
class AudioSample;
 
class AudioMixer {
private:
    static AudioMixer *_audioMixer;
    Audio::Mixer *_mixer;
    MidiPlayer *_midiPlayer;
    Common::Array<AudioChannel *> _channels;
 
public:
    AudioMixer(Audio::Mixer *mixer);
    ~AudioMixer();
 
    MidiPlayer *getMidiPlayer() const {
        return _midiPlayer;
    }
 
    static AudioMixer  *get_instance() {
        return _audioMixer;
    }
 
    void            reset();
    void            createProcesses();
 
    int             playSample(AudioSample *sample, int loop, int priority, bool isSpeech, uint32 pitch_shift, byte volume, int8 balance, bool ambient);
    bool            isPlaying(int chan);
    void            stopSample(int chan);
 
    void            setPaused(int chan, bool paused);
    void            setVolume(int chan, byte volume, int8 balance);
 
    void            openMidiOutput();
    void            closeMidiOutput();
};
 
} // End of namespace Ultima8
} // End of namespace Ultima
 
#endif