thp.h

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#ifndef THP_H
#define THP_H
 
#include <dolphin/os.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef u8 THPSample;
typedef s16 THPCoeff;
typedef f32 THPQuantTab[64];
 
typedef struct _THPHuffmanTab {
    u8 quick[32];
    u8 increment[32];
    u8* Vij;
    s32 maxCode[18];
    s32 valPtr[18];
    u8 Vij1;
    u8* bits;
    u32 pad3;
    u32* codetab;
    u32 pad2[2];
} THPHuffmanTab;
 
typedef struct _THPComponent {
    THPCoeff predDC;
    u8 pad;
    u8 quantizationTableSelector;
    u8 DCTableSelector;
    u8 ACTableSelector;
    u32 pad2[9];
} THPComponent;
 
typedef struct _THPFileInfo {
    u8* file;
    u32 currByte;
    u32 cnt;
    u8* x0C;
    THPCoeff* mcuBuffer[6];
    u8 pad[0x78 - 0x28];
    u8 validHuffmanTabs;
    u8 x78;
    u8 pad3[0xb];
    THPHuffmanTab huffmanTabs[4];
    THPQuantTab quantTabs[3];
    u16 xPixelSize;
    u16 yPixelSize;
    u16 MCUsPerRow;
    u16 decompressedY;
    u8 RST;
    u16 nMCU;
    u16 currMCU;
    u8* dLC[3];
    u32 pad2[(0x83d - 0x756) / 4];
    THPComponent components[3];
} THPFileInfo;
 
typedef struct {    
    s32 val0;
    u16 val1;
    u16 _pad;
    u8 val2;    
} THPDec_8032FD40_Data;
 
 
static u8 __THPReadFrameHeader(THPFileInfo*);
static u8 __THPReadScaneHeader(THPFileInfo*);
static u8 __THPReadQuantizationTable(THPFileInfo*);
static u8 __THPReadHuffmanTableSpecification(THPFileInfo*);
static u8 __THPReadScaneHeader(THPFileInfo*);
static u8 __THPHuffGenerateSizeTable(THPFileInfo*, u8, int);
static u8 __THPHuffGenerateCodeTable(THPFileInfo*, u8 tab_index);
static int __THPHuffGenerateDecoderTables(THPFileInfo*, u8 tab_index);
static u8 __THPRestartDefinition(THPFileInfo*);
static void __THPPrepBitStream(THPFileInfo*);
static void __THPDecompressiMCURow640x480(THPFileInfo*);
static void __THPDecompressiMCURowNxN(THPFileInfo*, u32);
static void __THPInverseDCTNoYPos(THPCoeff*, u32);
static void __THPHuffDecodeDCTCompY(THPFileInfo*, THPCoeff*);
static void __THPHuffDecodeDCTCompU(THPFileInfo*, THPCoeff*);
static void __THPHuffDecodeDCTCompV(THPFileInfo*, THPCoeff*);
 
s32 THPVideoDecode(void* file, void* tileY, void* tileU, void* tileV, void* work);
s32 THPDec_803302EC(u8** data);
s32 THPDec_8032FD40(THPDec_8032FD40_Data* arg0, u16 arg1);
s32 THPDec_8032F8D4(u8* data, THPDec_8032FD40_Data* out);
u8 THPDec_80330158(THPFileInfo* info);
void THPDec_80331340(s32, void*, void*, void*);
void THPDec_803313D0(s32, void*, void*, void*, u32);
void THPDec_803300E0(u32* data);
void THPInit(void);
 
#ifdef __cplusplus
}
#endif
 
#endif // THP_H