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This commit is contained in:
Igor Pavlov
2017-04-30 00:00:00 +00:00
committed by Kornel
parent 603abd5528
commit 2efa10565a
442 changed files with 15479 additions and 8525 deletions
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CPP/7zip/Compress/BitmDecoder.h
+8 -3
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@@ -46,25 +46,29 @@ public:
{
return (_stream.NumExtraBytes > 4);
}
MY_FORCE_INLINE
void Normalize()
{
for (; _bitPos >= 8; _bitPos -= 8)
_value = (_value << 8) | _stream.ReadByte();
}
MY_FORCE_INLINE
UInt32 GetValue(unsigned numBits) const
{
// return (_value << _bitPos) >> (kNumBigValueBits - numBits);
return ((_value >> (8 - _bitPos)) & kMask) >> (kNumValueBits - numBits);
}
MY_FORCE_INLINE
void MovePos(unsigned numBits)
{
_bitPos += numBits;
Normalize();
}
MY_FORCE_INLINE
UInt32 ReadBits(unsigned numBits)
{
UInt32 res = GetValue(numBits);
@@ -87,6 +91,7 @@ public:
void AlignToByte() { MovePos((kNumBigValueBits - _bitPos) & 7); }
MY_FORCE_INLINE
UInt32 ReadAlignBits() { return ReadBits((kNumBigValueBits - _bitPos) & 7); }
};