From 9be74e0026b563ba680e1dc157521eccc89fc03f Mon Sep 17 00:00:00 2001
From: Garrett Cox <garrettjcox@gmail.com>
Date: Fri, 5 Jan 2024 09:58:59 -0600
Subject: Move source into subdirectory

---
 src/code/jpegdecoder.c | 193 -------------------------------------------------
 1 file changed, 193 deletions(-)
 delete mode 100644 src/code/jpegdecoder.c

(limited to 'src/code/jpegdecoder.c')

diff --git a/src/code/jpegdecoder.c b/src/code/jpegdecoder.c
deleted file mode 100644
index e6998adc9..000000000
--- a/src/code/jpegdecoder.c
+++ /dev/null
@@ -1,193 +0,0 @@
-#include "z64jpeg.h"
-#include "libc/stdbool.h"
-#include "macros.h"
-
-u8* sJpegBitStreamPtr;
-u32 sJpegBitStreamByteIdx;
-u8 sJpegBitStreamBitIdx;
-u8 sJpegBitStreamDontSkip;
-u32 sJpegBitStreamCurWord;
-
-s32 JpegDecoder_Decode(JpegDecoder* decoder, u16* mcuBuff, s32 count, u8 isFollowing, JpegDecoderState* state) {
-    s16 pad;
-    s16 unk0;
-    s16 unk1;
-    s16 unk2;
-    u32 idx;
-    s32 inc;
-    u16 unkCount;
-
-    JpegHuffmanTable* hTable0;
-    JpegHuffmanTable* hTable1;
-    JpegHuffmanTable* hTable2;
-    JpegHuffmanTable* hTable3;
-
-    inc = 0;
-    sJpegBitStreamPtr = decoder->imageData;
-    if (decoder->mode == 0) {
-        unkCount = 2;
-    } else {
-        unkCount = 4;
-        if (decoder->unk_05 == 1) {
-            inc = 8 * 8 * 2;
-        }
-    }
-
-    hTable0 = decoder->hTablePtrs[0];
-    hTable1 = decoder->hTablePtrs[1];
-    hTable2 = decoder->hTablePtrs[2];
-    hTable3 = decoder->hTablePtrs[3];
-
-    if (!isFollowing) {
-        sJpegBitStreamByteIdx = 0;
-        sJpegBitStreamBitIdx = 32;
-        sJpegBitStreamCurWord = 0;
-        sJpegBitStreamDontSkip = 0;
-        unk0 = 0;
-        unk1 = 0;
-        unk2 = 0;
-    } else {
-        sJpegBitStreamByteIdx = state->byteIdx;
-        sJpegBitStreamBitIdx = state->bitIdx;
-        sJpegBitStreamCurWord = state->curWord;
-        sJpegBitStreamDontSkip = state->dontSkip;
-        unk0 = state->unk_0C;
-        unk1 = state->unk_0E;
-        unk2 = state->unk_10;
-    }
-
-    while (count != 0) {
-        for (idx = 0; idx < unkCount; idx++) {
-            if (JpegDecoder_ProcessMcu(hTable0, hTable1, mcuBuff, &unk0)) {
-                return 2;
-            }
-            mcuBuff += 8 * 8;
-        }
-
-        if (JpegDecoder_ProcessMcu(hTable2, hTable3, mcuBuff, &unk1)) {
-            return 2;
-        }
-        mcuBuff += 8 * 8;
-
-        if (JpegDecoder_ProcessMcu(hTable2, hTable3, mcuBuff, &unk2)) {
-            return 2;
-        }
-
-        count--;
-        mcuBuff += 8 * 8;
-        mcuBuff += inc;
-    }
-
-    state->byteIdx = sJpegBitStreamByteIdx;
-    state->bitIdx = sJpegBitStreamBitIdx;
-    state->curWord = sJpegBitStreamCurWord;
-    state->dontSkip = sJpegBitStreamDontSkip;
-    state->unk_0C = unk0;
-    state->unk_0E = unk1;
-    state->unk_10 = unk2;
-    return 0;
-}
-
-s32 JpegDecoder_ProcessMcu(JpegHuffmanTable* hTable0, JpegHuffmanTable* hTable1, u16* mcu, s16* unk) {
-    s8 i = 0;
-    s8 zeroCount;
-    s16 coeff;
-
-    if (JpegDecoder_ParseNextSymbol(hTable0, &coeff, &zeroCount)) {
-        return true;
-    }
-
-    *unk += coeff;
-    mcu[i++] = *unk;
-    while (i < 8 * 8) {
-        if (JpegDecoder_ParseNextSymbol(hTable1, &coeff, &zeroCount)) {
-            return true;
-        }
-
-        if (coeff == 0) {
-            if (zeroCount == 0xF) {
-                while (zeroCount-- >= 0) {
-                    mcu[i++] = 0;
-                }
-            } else {
-                while (i < 8 * 8) {
-                    mcu[i++] = 0;
-                }
-                break;
-            }
-        } else {
-            while (0 < zeroCount--) {
-                mcu[i++] = 0;
-            }
-            mcu[i++] = coeff;
-        }
-    }
-
-    return false;
-}
-
-s32 JpegDecoder_ParseNextSymbol(JpegHuffmanTable* hTable, s16* outCoeff, s8* outZeroCount) {
-    u8 codeIdx;
-    u8 sym;
-    u16 codeOff = 0;
-    u16 buff = JpegDecoder_ReadBits(16);
-
-    for (codeIdx = 0; codeIdx < ARRAY_COUNT(hTable->codesB); codeIdx++) {
-        if (hTable->codesB[codeIdx] == 0xFFFF) {
-            continue;
-        }
-
-        codeOff = buff >> (15 - codeIdx);
-        if (codeOff <= hTable->codesB[codeIdx]) {
-            break;
-        }
-    }
-
-    if (codeIdx >= ARRAY_COUNT(hTable->codesB)) {
-        return true;
-    }
-
-    sym = hTable->symbols[hTable->codeOffs[codeIdx] + codeOff - hTable->codesA[codeIdx]];
-    *outZeroCount = sym >> 4;
-    sym &= 0xF;
-
-    sJpegBitStreamBitIdx += codeIdx - 15;
-    *outCoeff = 0;
-    if (sym) {
-        *outCoeff = JpegDecoder_ReadBits(sym);
-        if (*outCoeff < (1 << (sym - 1))) {
-            *outCoeff += (0xFFFFFFFF << sym) + 1;
-        }
-    }
-
-    return false;
-}
-
-u16 JpegDecoder_ReadBits(u8 len) {
-    u8 byteCount;
-    u8 data;
-    s32 ret;
-    u32 temp;
-    ret = 0; // this is required for some reason
-
-    for (byteCount = sJpegBitStreamBitIdx >> 3; byteCount > 0; byteCount--) {
-        data = sJpegBitStreamPtr[sJpegBitStreamByteIdx++];
-        if (sJpegBitStreamDontSkip) {
-            if (data == 0) {
-                data = sJpegBitStreamPtr[sJpegBitStreamByteIdx++];
-            }
-        }
-
-        sJpegBitStreamDontSkip = (data == 0xFF) ? true : false;
-
-        sJpegBitStreamCurWord <<= 8;
-        sJpegBitStreamCurWord |= data;
-        sJpegBitStreamBitIdx -= 8;
-    }
-
-    ret = (sJpegBitStreamCurWord << (sJpegBitStreamBitIdx));
-    temp = ret;
-    ret = temp >> -len;
-    sJpegBitStreamBitIdx += len;
-    return ret;
-}
-- 
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