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sound.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2004 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/sound.h,v 1.75.2.1 2005/01/24 10:07:42 kirben Exp $
 */

#ifndef SOUND_H
#define SOUND_H

#include "common/scummsys.h"
#include "sound/mixer.h"

class File;

namespace Scumm {

class ScummEngine;
class ScummFile;

struct MP3OffsetTable;
struct SaveLoadEntry;

enum {
      kTalkSoundID = 10000
};

class Sound {
#ifdef __PALM_OS__
public:
#else
protected:
#endif
      enum SoundMode {
            kVOCMode,
            kMP3Mode,
            kVorbisMode,
            kFlacMode
      };

#ifdef __PALM_OS__
protected:
#endif
      ScummEngine *_vm;

      int16 _soundQuePos, _soundQue[0x100];
      int16 _soundQue2Pos;

      struct {
            int16 sound;
            int32 offset;
            int16 channel;
            int16 flags;
      } _soundQue2[10];

      ScummFile *_sfxFile;
      SoundMode _soundMode;   
      MP3OffsetTable *_offsetTable; // For compressed audio
      int _numSoundEffects;         // For compressed audio

      uint32 _talk_sound_a1, _talk_sound_a2, _talk_sound_b1, _talk_sound_b2;
      byte _talk_sound_mode, _talk_sound_channel;
      bool _mouthSyncMode;
      bool _endOfMouthSync;
      uint16 _mouthSyncTimes[64];
      uint _curSoundPos;

      int _overrideFreq;

      int16 _currentCDSound;
      int16 _currentMusic;
public:
      PlayingSoundHandle _talkChannelHandle;    // Handle of mixer channel actor is talking on
      PlayingSoundHandle _musicChannelHandle;   // Handle of mixer channel music is on

      bool _soundsPaused;
      byte _sfxMode;

public:
      Sound(ScummEngine *parent);
      ~Sound();
      void addSoundToQueue(int sound, int offset = 0, int channel = 0, int heFlags = 0);
      void addSoundToQueue2(int sound, int offset = 0, int channel = 0, int heFlags = 0);
      void processSoundQues();
      void setOverrideFreq(int freq);
      void playSound(int sound, int offset = 0, int channel = 0, int heFlags = 0);
      void startTalkSound(uint32 offset, uint32 b, int mode, PlayingSoundHandle *handle = NULL);
      void stopTalkSound();
      bool isMouthSyncOff(uint pos);
      int isSoundRunning(int sound) const;
      bool isSoundInUse(int sound) const;
      void stopSound(int sound);
      void stopAllSounds();
      void soundKludge(int *list, int num);
      void talkSound(uint32 a, uint32 b, int mode, int channel = 0);
      void setupSound();
      void pauseSounds(bool pause);

      void startCDTimer();
      void stopCDTimer();

      void playCDTrack(int track, int numLoops, int startFrame, int duration);
      void stopCD();
      int pollCD() const;
      void updateCD();
      int getCurrentCDSound() const { return _currentCDSound; }

      // Used by the save/load system:
      const SaveLoadEntry *getSaveLoadEntries();

protected:
      ScummFile *openSfxFile();
      void startSfxSound(File *file, int file_size, PlayingSoundHandle *handle, int id = -1);
      bool isSfxFinished() const;
      void processSfxQueues();

      bool isSoundInQueue(int sound) const;
};

} // End of namespace Scumm

#endif

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