/* 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 2 * 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * $URL$ * $Id$ * */ #include "common/scummsys.h" #ifdef USE_INDEO3 /* Intel Indeo 3 decompressor, derived from ffmpeg. * * Original copyright note: * Intel Indeo 3 (IV31, IV32, etc.) video decoder for ffmpeg * written, produced, and directed by Alan Smithee */ #ifndef GRAPHICS_INDEO3_H #define GRAPHICS_INDEO3_H #include "graphics/video/codecs/codec.h" namespace Graphics { class Indeo3Decoder : public Codec { public: Indeo3Decoder(uint16 width, uint16 height); ~Indeo3Decoder(); Surface *decodeImage(Common::SeekableReadStream *stream); PixelFormat getPixelFormat() const; static bool isIndeo3(Common::SeekableReadStream &stream); private: Surface *_surface; PixelFormat _pixelFormat; static const int _corrector_type_0[24]; static const int _corrector_type_2[8]; static const uint32 correction[]; static const uint32 correctionloworder[]; static const uint32 correctionhighorder[]; struct YUVBufs { byte *Ybuf; byte *Ubuf; byte *Vbuf; byte *the_buf; uint32 the_buf_size; uint16 y_w, y_h; uint16 uv_w, uv_h; }; YUVBufs _iv_frame[2]; YUVBufs *_cur_frame; YUVBufs *_ref_frame; byte *_ModPred; uint16 *_corrector_type; void buildModPred(); void allocFrames(); void decodeChunk(byte *cur, byte *ref, int width, int height, const byte *buf1, uint32 fflags2, const byte *hdr, const byte *buf2, int min_width_160); }; } // End of namespace Graphics #endif // GRAPHICS_INDEO3_H #endif // USE_INDEO3