mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-30 14:14:43 +00:00
143 lines
2.8 KiB
C++
143 lines
2.8 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2002-2005 The ScummVM project
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* $Header$
|
|
*
|
|
*/
|
|
|
|
#ifndef GRAPHICS_ANIMATION_H
|
|
#define GRAPHICS_ANIMATION_H
|
|
|
|
#include "common/scummsys.h"
|
|
#include "sound/mixer.h"
|
|
|
|
class AudioStream;
|
|
|
|
// Uncomment this if you are using libmpeg2 0.3.1.
|
|
// #define USE_MPEG2_0_3_1
|
|
|
|
#ifdef USE_MPEG2
|
|
typedef int8 int8_t;
|
|
typedef int16 int16_t;
|
|
typedef int32 int32_t;
|
|
|
|
typedef uint8 uint8_t;
|
|
typedef uint16 uint16_t;
|
|
typedef uint32 uint32_t;
|
|
|
|
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
|
|
|
|
#ifdef BACKEND_8BIT
|
|
#define SQR(x) ((x) * (x))
|
|
#define SHIFT 3
|
|
#else
|
|
#define SHIFT 1
|
|
#endif
|
|
|
|
#define BITDEPTH (1 << (8 - SHIFT))
|
|
#define ROUNDADD (1 << (SHIFT - 1))
|
|
|
|
#define BUFFER_SIZE 4096
|
|
|
|
namespace Graphics {
|
|
|
|
class BaseAnimationState {
|
|
protected:
|
|
const int _movieWidth;
|
|
const int _movieHeight;
|
|
|
|
SoundMixer *_snd;
|
|
OSystem *_sys;
|
|
|
|
uint _frameNum;
|
|
uint _frameSkipped;
|
|
uint32 _ticks;
|
|
|
|
#ifdef USE_MPEG2
|
|
mpeg2dec_t *_mpegDecoder;
|
|
const mpeg2_info_t *_mpegInfo;
|
|
#endif
|
|
|
|
File *_mpegFile;
|
|
|
|
SoundHandle _bgSound;
|
|
AudioStream *_bgSoundStream;
|
|
|
|
#ifdef BACKEND_8BIT
|
|
int _palNum;
|
|
int _maxPalNum;
|
|
|
|
byte _yuvLookup[2][(BITDEPTH+1) * (BITDEPTH+1) * (BITDEPTH+1)];
|
|
byte *_lut;
|
|
byte *_lut2;
|
|
int _lutCalcNum;
|
|
|
|
int _curPal;
|
|
int _cr;
|
|
int _pos;
|
|
|
|
struct {
|
|
uint cnt;
|
|
uint end;
|
|
byte pal[4 * 256];
|
|
} _palettes[50];
|
|
#else
|
|
OverlayColor *_overlay;
|
|
int _bitFormat;
|
|
int16 *_colorTab;
|
|
uint16 *_rgbToPix;
|
|
#endif
|
|
|
|
public:
|
|
BaseAnimationState(SoundMixer *snd, OSystem *sys, int width, int height);
|
|
virtual ~BaseAnimationState();
|
|
|
|
bool init(const char *name, void *audioArg = NULL);
|
|
bool decodeFrame();
|
|
|
|
#ifndef BACKEND_8BIT
|
|
void buildLookup();
|
|
#endif
|
|
|
|
protected:
|
|
bool checkPaletteSwitch();
|
|
virtual void drawYUV(int width, int height, byte *const *dat) = 0;
|
|
virtual AudioStream *createAudioStream(const char *name, void *arg);
|
|
|
|
#ifdef BACKEND_8BIT
|
|
void buildLookup(int p, int lines);
|
|
virtual void setPalette(byte *pal) = 0;
|
|
#else
|
|
void plotYUV(int width, int height, byte *const *dat);
|
|
#endif
|
|
};
|
|
|
|
|
|
} // End of namespace Graphics
|
|
|
|
#endif
|