This commit is contained in:
Igor Pavlov
2023-12-22 17:17:05 +00:00
committed by Kornel
parent ec44a8a070
commit a36c48cece
954 changed files with 42199 additions and 25482 deletions

View File

@@ -11,42 +11,39 @@
EXTERN_C_BEGIN
typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table);
UInt32 MY_FAST_CALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table);
// UInt32 Z7_FASTCALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table);
extern CRC_FUNC g_CrcUpdate;
extern CRC_FUNC g_CrcUpdateT4;
// extern CRC_FUNC g_CrcUpdateT4;
extern CRC_FUNC g_CrcUpdateT8;
extern CRC_FUNC g_CrcUpdateT0_32;
extern CRC_FUNC g_CrcUpdateT0_64;
EXTERN_C_END
class CCrcHasher:
public IHasher,
public ICompressSetCoderProperties,
public CMyUnknownImp
{
Z7_CLASS_IMP_COM_2(
CCrcHasher
, IHasher
, ICompressSetCoderProperties
)
UInt32 _crc;
CRC_FUNC _updateFunc;
Byte mtDummy[1 << 7];
Z7_CLASS_NO_COPY(CCrcHasher)
bool SetFunctions(UInt32 tSize);
public:
CCrcHasher(): _crc(CRC_INIT_VAL) { SetFunctions(0); }
Byte _mtDummy[1 << 7]; // it's public to eliminate clang warning: unused private field
MY_UNKNOWN_IMP2(IHasher, ICompressSetCoderProperties)
INTERFACE_IHasher(;)
STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
CCrcHasher(): _crc(CRC_INIT_VAL) { SetFunctions(0); }
};
bool CCrcHasher::SetFunctions(UInt32 tSize)
{
CRC_FUNC f = NULL;
if (tSize == 0) f = g_CrcUpdate;
else if (tSize == 1) f = CrcUpdateT1;
else if (tSize == 4) f = g_CrcUpdateT4;
// else if (tSize == 1) f = CrcUpdateT1;
// else if (tSize == 4) f = g_CrcUpdateT4;
else if (tSize == 8) f = g_CrcUpdateT8;
else if (tSize == 32) f = g_CrcUpdateT0_32;
else if (tSize == 64) f = g_CrcUpdateT0_64;
@@ -60,13 +57,13 @@ bool CCrcHasher::SetFunctions(UInt32 tSize)
return true;
}
STDMETHODIMP CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps)
Z7_COM7F_IMF(CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *coderProps, UInt32 numProps))
{
for (UInt32 i = 0; i < numProps; i++)
{
const PROPVARIANT &prop = coderProps[i];
if (propIDs[i] == NCoderPropID::kDefaultProp)
{
const PROPVARIANT &prop = coderProps[i];
if (prop.vt != VT_UI4)
return E_INVALIDARG;
if (!SetFunctions(prop.ulVal))
@@ -76,20 +73,20 @@ STDMETHODIMP CCrcHasher::SetCoderProperties(const PROPID *propIDs, const PROPVAR
return S_OK;
}
STDMETHODIMP_(void) CCrcHasher::Init() throw()
Z7_COM7F_IMF2(void, CCrcHasher::Init())
{
_crc = CRC_INIT_VAL;
}
STDMETHODIMP_(void) CCrcHasher::Update(const void *data, UInt32 size) throw()
Z7_COM7F_IMF2(void, CCrcHasher::Update(const void *data, UInt32 size))
{
_crc = _updateFunc(_crc, data, size, g_CrcTable);
}
STDMETHODIMP_(void) CCrcHasher::Final(Byte *digest) throw()
Z7_COM7F_IMF2(void, CCrcHasher::Final(Byte *digest))
{
UInt32 val = CRC_GET_DIGEST(_crc);
SetUi32(digest, val);
const UInt32 val = CRC_GET_DIGEST(_crc);
SetUi32(digest, val)
}
REGISTER_HASHER(CCrcHasher, 0x1, "CRC32", 4)