/*
    AudioFileSourcePROGMEM
    Store a "file" as a PROGMEM array and use it as audio source data

    Copyright (C) 2017  Earle F. Philhower, III

    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 _AUDIOFILESOURCEPROGMEM_H
#define _AUDIOFILESOURCEPROGMEM_H

#include "AudioFileSource.h"

class AudioFileSourcePROGMEM : public AudioFileSource {
public:
    AudioFileSourcePROGMEM();
    AudioFileSourcePROGMEM(const void *data, uint32_t len);
    virtual ~AudioFileSourcePROGMEM() override;
    virtual uint32_t read(void *data, uint32_t len) override;
    virtual bool seek(int32_t pos, int dir) override;
    virtual bool close() override;
    virtual bool isOpen() override;
    virtual uint32_t getSize() override;
    virtual uint32_t getPos() override {
        if (!opened) {
            return 0;
        } else {
            return filePointer;
        }
    };

    bool open(const void *data, uint32_t len);

private:
    bool opened;
    const void *progmemData;
    uint32_t progmemLen;
    uint32_t filePointer;
};

#endif

