scummvm/video/mpeg_player.h
2011-06-06 12:33:05 +02:00

136 lines
3.1 KiB
C++

/* 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.
*
*/
#ifndef VIDEO_MPEG_PLAYER_H
#define VIDEO_MPEG_PLAYER_H
#include "common/scummsys.h"
#include "graphics/pixelformat.h"
// Uncomment this if you are using libmpeg2 0.3.1.
// #define USE_MPEG2_0_3_1
#ifdef USE_MPEG2
#if defined(__PLAYSTATION2__)
typedef uint8 uint8_t;
typedef uint16 uint16_t;
typedef uint32 uint32_t;
#elif defined(_WIN32_WCE)
typedef signed char int8_t;
typedef signed short int16_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
#elif defined(_MSC_VER)
typedef signed char int8_t;
typedef signed short int16_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
#if !defined(SDL_COMPILEDVERSION) || (SDL_COMPILEDVERSION < 1210)
typedef signed long int32_t;
typedef unsigned long uint32_t;
#endif
#else
# include <inttypes.h>
#endif
extern "C" {
#include <mpeg2dec/mpeg2.h>
}
#ifdef USE_MPEG2_0_3_1
typedef int mpeg2_state_t;
typedef sequence_t mpeg2_sequence_t;
#define STATE_BUFFER -1
#endif
#endif
#define SHIFT 1
#define BITDEPTH (1 << (8 - SHIFT))
#define ROUNDADD (1 << (SHIFT - 1))
#define BUFFER_SIZE 4096
namespace Common {
class File;
}
class OSystem;
namespace Video {
class BaseAnimationState {
protected:
const int _movieWidth;
const int _movieHeight;
int _frameWidth;
int _frameHeight;
int _movieScale;
OSystem *_sys;
uint _frameNum;
#ifdef USE_MPEG2
mpeg2dec_t *_mpegDecoder;
const mpeg2_info_t *_mpegInfo;
#endif
Common::File *_mpegFile;
OverlayColor *_overlay;
Graphics::PixelFormat _overlayFormat;
int16 *_colorTab;
OverlayColor *_rgbToPix;
public:
BaseAnimationState(OSystem *sys, int width, int height);
virtual ~BaseAnimationState();
bool init(const char *name);
bool decodeFrame();
void handleScreenChanged();
void updateScreen();
void buildLookup();
int getFrameWidth() { return _frameWidth; }
int getFrameHeight() { return _frameHeight; }
protected:
bool checkPaletteSwitch();
virtual void drawYUV(int width, int height, byte *const *dat) = 0;
void plotYUV(int width, int height, byte *const *dat);
void plotYUV1x(int width, int height, byte *const *dat);
void plotYUV2x(int width, int height, byte *const *dat);
void plotYUV3x(int width, int height, byte *const *dat);
};
} // End of namespace Video
#endif