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JpegUtils_ProcessHuffmanTableImpl

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This commit is contained in:
alexanderkarlis 2026-02-27 15:05:21 -05:00
parent 5e43fa88ff
commit 333811564a
2 changed files with 12 additions and 13 deletions
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2
linker_scripts/us/symbol_addrs_code.txt
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@ -309,7 +309,7 @@ JpegUtils_ProcessQuantizationTable = 0x8000BD70; // type:func
JpegUtils_ParseHuffmanCodesLengths = 0x8000BDD8; // type:func
JpegUtils_GetHuffmanCodes = 0x8000BE5C; // type:func
JpegUtils_SetHuffmanTable = 0x8000BEC8; // type:func
func_8000BF70 = 0x8000BF70; // type:func
JpegUtils_ProcessHuffmanTableImpl = 0x8000BF70; // type:func
func_8000C02C = 0x8000C02C; // type:func
func_8000C104 = 0x8000C104; // type:func
func_8000C1AC = 0x8000C1AC; // type:func

23
src/C970.c
View File

@ -86,25 +86,24 @@ u16 JpegUtils_SetHuffmanTable(u8* data, JpegHuffmanTable* ht, u16* codes) {
return codeOff;
}
#ifdef NON_MATCHING
s16 func_8000BF70(u8* arg0, JpegHuffmanTable* arg1, u8* arg2, u16* arg3, u8 arg4) {
s16 temp_v0;
u32 JpegUtils_ProcessHuffmanTableImpl(u8* data, JpegHuffmanTable* ht, u8* codesLengths, u16* codes, u8 isAc) {
s16 ret;
s32 count = JpegUtils_ParseHuffmanCodesLengths(data, codesLengths);
s32 temp;
temp_v0 = JpegUtils_GetHuffmanCodes(arg2, arg3);
if ((temp_v0 == 0) || ((arg4 != 0) && (temp_v0 >= 0x101)) || ((arg4 == 0) && (temp_v0 >= 0x11))) {
ret = count;
if (count == 0 || (isAc && count > 0x100) || (!isAc && count > 0x10)) {
return 0;
}
if (JpegUtils_GetHuffmanCodes(arg2, arg3) != temp_v0) {
if (ret != JpegUtils_GetHuffmanCodes(codesLengths, codes)) {
return 0;
}
if (temp_v0 != JpegUtils_SetHuffmanTable(arg0, arg1, arg3)) {
if (temp = JpegUtils_SetHuffmanTable(data, ht, codes), temp != ret) {
return 0;
}
return temp_v0;
return ret;
}
#else
#pragma GLOBAL_ASM("asm/us/nonmatchings/C970/func_8000BF70.s")
#endif
s32 JpegUtils_ProcessHuffmanTable(u8* dht, JpegHuffmanTable* ht, u8* codesLengths, u16* codes, u8 count) {
u8 idx;
@ -113,7 +112,7 @@ s32 JpegUtils_ProcessHuffmanTable(u8* dht, JpegHuffmanTable* ht, u8* codesLength
for (idx = 0; idx < count; idx++) {
u32 ac = (*dht++ >> 4);
codeCount = func_8000BF70(dht, &ht[idx], codesLengths, codes, ac);
codeCount = JpegUtils_ProcessHuffmanTableImpl(dht, &ht[idx], codesLengths, codes, ac);
if (codeCount == 0) {
return 1;
}