mjpgPlayer.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 MJPG_PLAYER_H
#define MJPG_PLAYER_H
 
#include "common/array.h"
#include "common/scummsys.h"
#include "common/str.h"
#include "common/stream.h"
#include "graphics/surface.h"
#include "image/jpeg.h"
 
namespace AGDS {
 
class AGDSEngine;
class MJPGPlayer {
    using StreamPtr = Common::ScopedPtr<Common::SeekableReadStream>;
    StreamPtr _stream;
    int32 _firstFramePos;
    Image::JPEGDecoder _decoder;
    uint _framesPlayed;
 
    struct Text {
        using Lines = Common::Array<Common::String>;
 
        uint begin;
        uint end;
        Lines lines;
    };
 
    Common::Array<Text> _subtitles;
    uint _nextSubtitleIndex;
 
public:
    MJPGPlayer(Common::SeekableReadStream *stream, const Common::String &subtitles);
    ~MJPGPlayer();
 
    bool eos() {
        return _stream->eos();
    }
 
    void rewind();
    const Graphics::Surface *decodeFrame();
    void paint(AGDSEngine &engine, Graphics::Surface &backbuffer);
 
    uint32 getNextFrameTimestamp() const {
        return _framesPlayed * 1000 / 24;
    }
};
 
} // End of namespace AGDS
 
#endif /* AGDS_MJPG_PLAYER_H */