mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-29 08:16:11 +00:00
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
#ifndef JPEG_H
|
|
#define JPEG_H
|
|
|
|
#include "ultra64.h"
|
|
#include "sched.h"
|
|
|
|
typedef struct JpegQuantizationTable {
|
|
/* 0x00 */ u16 table[8*8];
|
|
} JpegQuantizationTable; // size = 0x80
|
|
|
|
typedef struct JpegHuffmanTable {
|
|
/* 0x00 */ u8 codeOffs[16];
|
|
/* 0x10 */ u16 codesA[16];
|
|
/* 0x30 */ u16 codesB[16];
|
|
/* 0x50 */ u8* symbols;
|
|
} JpegHuffmanTable; // size = 0x54
|
|
|
|
// this struct might be inaccurate but it's not used outside jpegutils.c anyways
|
|
typedef struct JpegHuffmanTableOld {
|
|
/* 0x000 */ u8 codeOffs[16];
|
|
/* 0x010 */ u16 dcCodes[120];
|
|
/* 0x100 */ u16 acCodes[256];
|
|
} JpegHuffmanTableOld; // size = 0x300
|
|
|
|
typedef union JpegTaskData {
|
|
struct {
|
|
/* 0x00 */ u32 address;
|
|
/* 0x04 */ u32 mbCount;
|
|
/* 0x08 */ u32 mode;
|
|
/* 0x0C */ u32 qTableYPtr;
|
|
/* 0x10 */ u32 qTableUPtr;
|
|
/* 0x14 */ u32 qTableVPtr;
|
|
/* 0x18 */ u32 mbSize; // This field is used by the microcode to save the macroblock size during a yield
|
|
};
|
|
long long int force_structure_alignment;
|
|
} JpegTaskData; // size = 0x20
|
|
|
|
typedef struct JpegWork {
|
|
/* 0x000 */ JpegTaskData taskData;
|
|
/* 0x020 */ u64 yieldData[0x200 / sizeof(u64)];
|
|
/* 0x220 */ JpegQuantizationTable qTableY;
|
|
/* 0x2A0 */ JpegQuantizationTable qTableU;
|
|
/* 0x320 */ JpegQuantizationTable qTableV;
|
|
/* 0x3A0 */ u8 codesLengths[0x110];
|
|
/* 0x4B0 */ u16 codes[0x108];
|
|
/* 0x6C0 */ u16 data[4][0x180];
|
|
} JpegWork; // size = 0x12C0
|
|
|
|
typedef struct JpegDecoder {
|
|
/* 0x00 */ void* imageData;
|
|
/* 0x04 */ u8 mode;
|
|
/* 0x05 */ u8 unk_05;
|
|
/* 0x08 */ JpegHuffmanTable* hTablePtrs[4];
|
|
/* 0x18 */ u8 unk_18;
|
|
} JpegDecoder; // size = 0x1C
|
|
|
|
typedef struct JpegContext {
|
|
/* 0x00 */ u8 dqtCount;
|
|
/* 0x04 */ u8* dqtPtr[3];
|
|
/* 0x10 */ u8 dhtCount;
|
|
/* 0x14 */ u8* dhtPtr[4];
|
|
/* 0x24 */ void* imageData;
|
|
/* 0x28 */ u32 mode; // 0 if Y V0 is 1 and 2 if Y V0 is 2
|
|
/* 0x30 */ OSScTask scTask;
|
|
/* 0x98 */ OSMesgQueue mq;
|
|
/* 0xB0 */ OSMesg msg;
|
|
/* 0xB4 */ JpegWork* workBuf;
|
|
} JpegContext; // size = 0xB8
|
|
|
|
typedef struct JpegDecoderState {
|
|
/* 0x00 */ u32 byteIdx;
|
|
/* 0x04 */ u8 bitIdx;
|
|
/* 0x05 */ u8 dontSkip;
|
|
/* 0x08 */ u32 curWord;
|
|
/* 0x0C */ s16 unk_0C;
|
|
/* 0x0E */ s16 unk_0E;
|
|
/* 0x10 */ s16 unk_10;
|
|
} JpegDecoderState; // size = 0x14
|
|
|
|
s32 Jpeg_Decode(void* data, void* zbuffer, void* work, u32 workSize);
|
|
|
|
void JpegUtils_ProcessQuantizationTable(u8* dqt, JpegQuantizationTable* qt, u8 count);
|
|
u32 JpegUtils_ProcessHuffmanTable(u8* dht, JpegHuffmanTable* ht, u8* codesLengths, u16* codes, u8 count);
|
|
|
|
s32 JpegDecoder_Decode(JpegDecoder* decoder, u16* mcuBuff, s32 count, u8 isFollowing, JpegDecoderState* state);
|
|
|
|
#endif
|