sci_resource.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 DGDS_SOUND_RESOURCE_SCI_RESOURCE_H
#define DGDS_SOUND_RESOURCE_SCI_RESOURCE_H

#include "dgds/sound/scispan.h"

namespace Common {
class File;
class FSList;
class FSNode;
class WriteStream;
class SeekableReadStream;
}

namespace Dgds {

class SciResource : public SciSpan<const byte> {
public:
    SciResource(const byte *data, int dataSz, int16 id);
    ~SciResource();
    void unalloc();
};

class SoundResource {
public:
    struct Channel {
        byte number;
        byte flags;
        byte poly;
        uint16 prio;
        SciSpan<const byte> data;
        uint16 curPos;
        long time;
        byte prev;

        Channel() :
            number(0),
            flags(0),
            poly(0),
            prio(0),
            data(),
            curPos(0) {
            time = 0;
            prev = 0;
        }
    };

    struct Track {
        byte type;
        byte channelCount;
        SciSpan<const byte> header;
        Channel *channels;
        int16 digitalChannelNr;
        uint16 digitalSampleRate;
        uint16 digitalSampleSize;
        uint16 digitalSampleStart;
        uint16 digitalSampleEnd;
    };
public:
    SoundResource(uint32 resNumberu, const byte *data, int dataSz);
    ~SoundResource();

    Track *getTrackByType(byte type);
    Track *getDigitalTrack();

    byte getSoundPriority() const { return _soundPriority; }
    bool exists() const { return _resource != nullptr; }

private:
    int _trackCount;
    Track *_tracks;
    SciResource *_resource;
    byte _soundPriority;
};

} // End of namespace Dgds

#endif // DGDS_SOUND_RESOURCE_SCI_RESOURCE_H