fm_towns_decoder_stream.h

#ifndef __FMtownsDecoderStream_h__
#define __FMtownsDecoderStream_h__
/* Created by Eric Fry
 * Copyright (C) 2011 The Nuvie Team
 *
 * 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/>.
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#include "ultima/nuvie/sound/decoder/random_collection_audio_stream.h"

namespace Ultima {
namespace Nuvie {

class U6Lib_n;
class U6Lzw;
class NuvieIOBuffer;

class FMtownsDecoderStream : public Audio::RewindableAudioStream {
public:
    FMtownsDecoderStream() {
        should_free_raw_data = false;
        raw_audio_buf = nullptr;
    }

    FMtownsDecoderStream(unsigned char *buf, uint32 len);
    FMtownsDecoderStream(const Common::Path &filename, uint16 sample_num, bool isCompressed = true);
    ~FMtownsDecoderStream() override;

    uint32 getLengthInMsec();

    int readBuffer(sint16 *buffer, const int numSamples) override;

    bool isStereo() const override {
        return false;
    }

    int getRate() const override {
        return 14700;
    }

    bool endOfData() const override {
        return buf_pos >= buf_len;
    }

    bool rewind() override {
        buf_pos = 0;
        return true;
    }

protected:

    bool should_free_raw_data;
    unsigned char *raw_audio_buf;
    uint32 buf_len;
    uint32 buf_pos;

private:
    inline sint16 convertSample(uint16 rawSample) const;
};

} // End of namespace Nuvie
} // End of namespace Ultima

#endif