mirror of
https://github.com/libretro/scummvm.git
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175 lines
3.7 KiB
C++
175 lines
3.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef GRAPHICS_VIDEO_MPEG_PLAYER_H
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#define GRAPHICS_VIDEO_MPEG_PLAYER_H
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#include "common/scummsys.h"
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#include "graphics/pixelformat.h"
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// Uncomment this if you are using libmpeg2 0.3.1.
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// #define USE_MPEG2_0_3_1
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#ifdef USE_MPEG2
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#if defined(__PLAYSTATION2__)
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typedef uint8 uint8_t;
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typedef uint16 uint16_t;
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typedef uint32 uint32_t;
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#elif defined(_WIN32_WCE)
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typedef signed char int8_t;
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typedef signed short int16_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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#elif defined(_MSC_VER)
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typedef signed char int8_t;
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typedef signed short int16_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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#if !defined(SDL_COMPILEDVERSION) || (SDL_COMPILEDVERSION < 1210)
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typedef signed long int32_t;
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typedef unsigned long uint32_t;
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#endif
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#elif !defined(PALMOS_MODE)
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# include <inttypes.h>
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#else
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# include <stdint.h>
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#endif
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extern "C" {
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#include <mpeg2dec/mpeg2.h>
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}
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#ifdef USE_MPEG2_0_3_1
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typedef int mpeg2_state_t;
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typedef sequence_t mpeg2_sequence_t;
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#define STATE_BUFFER -1
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#endif
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#endif
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#ifdef BACKEND_8BIT
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#define SQR(x) ((x) * (x))
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#define SHIFT 3
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#else
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#define SHIFT 1
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#endif
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#define BITDEPTH (1 << (8 - SHIFT))
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#define ROUNDADD (1 << (SHIFT - 1))
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#define BUFFER_SIZE 4096
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namespace Common {
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class File;
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}
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class OSystem;
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namespace Graphics {
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class BaseAnimationState {
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protected:
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const int _movieWidth;
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const int _movieHeight;
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int _frameWidth;
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int _frameHeight;
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#ifndef BACKEND_8BIT
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int _movieScale;
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#endif
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OSystem *_sys;
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uint _frameNum;
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#ifdef USE_MPEG2
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mpeg2dec_t *_mpegDecoder;
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const mpeg2_info_t *_mpegInfo;
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#endif
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Common::File *_mpegFile;
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#ifdef BACKEND_8BIT
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int _palNum;
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int _maxPalNum;
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byte _yuvLookup[2][(BITDEPTH+1) * (BITDEPTH+1) * (BITDEPTH+1)];
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byte *_lut;
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byte *_lut2;
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int _lutCalcNum;
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int _curPal;
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int _cr;
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int _pos;
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struct {
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uint cnt;
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uint end;
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byte pal[4 * 256];
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} _palettes[50];
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#else
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OverlayColor *_overlay;
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Graphics::PixelFormat _overlayFormat;
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int16 *_colorTab;
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OverlayColor *_rgbToPix;
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#endif
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public:
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BaseAnimationState(OSystem *sys, int width, int height);
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virtual ~BaseAnimationState();
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bool init(const char *name);
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bool decodeFrame();
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void handleScreenChanged();
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void updateScreen();
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#ifndef BACKEND_8BIT
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void buildLookup();
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#endif
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int getFrameWidth() { return _frameWidth; }
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int getFrameHeight() { return _frameHeight; }
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protected:
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bool checkPaletteSwitch();
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virtual void drawYUV(int width, int height, byte *const *dat) = 0;
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#ifdef BACKEND_8BIT
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void buildLookup(int p, int lines);
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virtual void setPalette(byte *pal) = 0;
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#else
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void plotYUV(int width, int height, byte *const *dat);
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void plotYUV1x(int width, int height, byte *const *dat);
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void plotYUV2x(int width, int height, byte *const *dat);
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void plotYUV3x(int width, int height, byte *const *dat);
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#endif
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};
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} // End of namespace Graphics
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#endif
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