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oot/include/jpeg.h
Dragorn421 de1a08c061
[headers 11] stackcheck.h, jpeg functions (#2171)
* [headers 11] stackcheck.h, jpeg functions

* bss
2024-09-08 12:02:38 -04:00

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