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/* 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/>.
*
*/
#ifdef USE_MPEG2
#ifndef IMAGE_CODECS_MPEG_H
#define IMAGE_CODECS_MPEG_H
#include "image/codecs/codec.h"
#include "graphics/pixelformat.h"
typedef struct mpeg2dec_s mpeg2dec_t;
typedef struct mpeg2_info_s mpeg2_info_t;
namespace Common {
class SeekableReadStream;
}
namespace Graphics {
struct Surface;
}
namespace Image {
/**
* MPEG 1/2 video decoder.
*
* Used by BMP/AVI.
*/
class MPEGDecoder : public Codec {
public:
MPEGDecoder();
~MPEGDecoder() override;
// Codec interface
const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream) override;
Graphics::PixelFormat getPixelFormat() const override { return _pixelFormat; }
bool setOutputPixelFormat(const Graphics::PixelFormat &format) override { _pixelFormat = format; return true; }
// MPEGPSDecoder call
bool decodePacket(Common::SeekableReadStream &packet, uint32 &framePeriod, Graphics::Surface *dst = 0);
private:
Graphics::PixelFormat _pixelFormat;
Graphics::Surface *_surface;
enum {
BUFFER_SIZE = 4096
};
byte _buffer[BUFFER_SIZE];
mpeg2dec_t *_mpegDecoder;
const mpeg2_info_t *_mpegInfo;
};
} // End of namespace Image
#endif // IMAGE_CODECS_MPEG_H
#endif // USE_MPEG2
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