sound.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/>.
 *
 */

/*
 * Based on
 * WebVenture (c) 2010, Sean Kasun
 * https://github.com/mrkite/webventure, http://seancode.com/webventure/
 *
 * Used with explicit permission from the author
 */

#ifndef MACVENTURE_SOUND_H
#define MACVENTURE_SOUND_H

#include "macventure/macventure.h"
#include "macventure/container.h"

#include "common/file.h"
#include "common/hashmap.h"

#include "audio/mixer.h"

namespace MacVenture {

enum SoundType {
    kSound10 = 0x10,
    kSound12 = 0x12,
    kSound18 = 0x18,
    kSound1a = 0x1a,
    kSound44 = 0x44,
    kSound78 = 0x78,
    kSound7e = 0x7e
};

class SoundAsset {

public:
    SoundAsset(Container *container, ObjID id);
    ~SoundAsset();

    void play(Audio::Mixer *mixer, Audio::SoundHandle *soundHandle);
    uint32 getPlayLength();

private:

    void decode10(Common::SeekableReadStream *stream);
    void decode12(Common::SeekableReadStream *stream);
    void decode18(Common::SeekableReadStream *stream);
    void decode1a(Common::SeekableReadStream *stream);
    void decode44(Common::SeekableReadStream *stream);
    void decode78(Common::SeekableReadStream *stream);
    void decode7e(Common::SeekableReadStream *stream);

private:

    Container *_container;
    ObjID _id;

    Common::Array<byte> _data;
    uint32 _length;
    uint32 _frequency;
};

class SoundManager {
public:
    SoundManager(MacVentureEngine *engine, Audio::Mixer *mixer);
    ~SoundManager();

    uint32 playSound(ObjID sound);

private:
    void ensureLoaded(ObjID sound);

private:

    Container *_container;
    Common::HashMap<ObjID, SoundAsset*> _assets;
    Audio::SoundHandle _handle;
    Audio::Mixer *_mixer;

};
} // End of namespace MacVenture

#endif