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100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
#pragma once
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#include "ultra64/sched.h"
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#include "ultra64/types.h"
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struct JpegQuantizationTable
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{
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/* 0x00 */ u16 table[8 * 8];
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}; // size = 0x80
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struct JpegHuffmanTable
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{
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/* 0x00 */ u8 codeOffs[16];
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/* 0x10 */ u16 codesA[16];
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/* 0x30 */ u16 codesB[16];
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/* 0x50 */ u8* symbols;
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}; // size = 0x54
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// this struct might be inaccurate but it's not used outside jpegutils.c anyways
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struct JpegHuffmanTableOld
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{
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/* 0x000 */ u8 codeOffs[16];
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/* 0x010 */ u16 dcCodes[120];
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/* 0x100 */ u16 acCodes[256];
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}; // size = 0x300
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struct JpegTaskData
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{
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/* 0x00 */ u32 address;
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/* 0x04 */ u32 mbCount;
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/* 0x08 */ u32 mode;
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/* 0x0C */ u32 qTableYPtr;
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/* 0x10 */ u32 qTableUPtr;
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/* 0x14 */ u32 qTableVPtr;
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/* 0x18 */ char unk_18[0x8];
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}; // size = 0x20
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struct JpegWork
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{
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/* 0x000 */ JpegTaskData taskData;
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/* 0x020 */ char yieldData[0x200];
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/* 0x220 */ JpegQuantizationTable qTableY;
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/* 0x2A0 */ JpegQuantizationTable qTableU;
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/* 0x320 */ JpegQuantizationTable qTableV;
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/* 0x3A0 */ u8 codesLengths[0x110];
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/* 0x4B0 */ u16 codes[0x108];
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/* 0x6C0 */ u16 data[4][0x180];
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}; // size = 0x12C0
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struct JpegDecoder
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{
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/* 0x00 */ void* imageData;
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/* 0x04 */ u8 mode;
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/* 0x05 */ u8 unk_05;
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/* 0x08 */ JpegHuffmanTable* hTablePtrs[4];
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/* 0x18 */ u8 unk_18;
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}; // size = 0x1C
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struct JpegContext
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{
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/* 0x00 */ u8 dqtCount;
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/* 0x04 */ u8* dqtPtr[3];
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/* 0x10 */ u8 dhtCount;
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/* 0x14 */ u8* dhtPtr[4];
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/* 0x24 */ void* imageData;
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/* 0x28 */ u32 mode; // 0 if Y V0 is 1 and 2 if Y V0 is 2
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/* 0x2C */ char unk_2C[4];
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/* 0x30 */ OSScTask scTask;
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/* 0x88 */ char unk_88[0x10];
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/* 0x98 */ OSMesgQueue mq;
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/* 0xB0 */ OSMesg msg;
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/* 0xB4 */ JpegWork* workBuf;
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}; // size = 0xB8
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struct JpegDecoderState
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{
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/* 0x00 */ u32 byteIdx;
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/* 0x04 */ u8 bitIdx;
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/* 0x05 */ u8 dontSkip;
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/* 0x08 */ u32 curWord;
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/* 0x0C */ s16 unk_0C;
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/* 0x0E */ s16 unk_0E;
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/* 0x10 */ s16 unk_10;
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}; // size = 0x14
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void JpegUtils_ProcessQuantizationTable(u8* dqt, JpegQuantizationTable* qt, u8 count);
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s32 JpegUtils_ParseHuffmanCodesLengths(u8* ptr, u8* codesLengths);
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s32 JpegUtils_GetHuffmanCodes(u8* codesLengths, u16* codes);
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s32 JpegUtils_SetHuffmanTable(u8* data, JpegHuffmanTable* ht, u16* codes);
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u32 JpegUtils_ProcessHuffmanTableImpl(u8* data, JpegHuffmanTable* ht, u8* codesLengths, u16* codes, u8 isAc);
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u32 JpegUtils_ProcessHuffmanTable(u8* dht, JpegHuffmanTable* ht, u8* codesLengths, u16* codes, u8 count);
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void JpegUtils_SetHuffmanTableOld(u8* data, JpegHuffmanTableOld* ht, u8* codesLengths, u16* codes, s16 count, u8 isAc);
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u32 JpegUtils_ProcessHuffmanTableImplOld(u8* dht, JpegHuffmanTableOld* ht, u8* codesLengths, u16* codes);
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s32 JpegDecoder_Decode(JpegDecoder* decoder, u16* mcuBuff, s32 count, u8 isFollowing, JpegDecoderState* state);
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s32 JpegDecoder_ProcessMcu(JpegHuffmanTable* hTable0, JpegHuffmanTable* hTable1, u16* mcu, s16* unk);
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s32 JpegDecoder_ParseNextSymbol(JpegHuffmanTable* hTable, s16* outCoeff, s8* outZeroCount);
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u16 JpegDecoder_ReadBits(u8 len);
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extern u64 gJpegUCode[];
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extern u64 gJpegUCodeData[];
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