?? anti-predictor.cpp
字號:
#include "All.h"
#ifdef BACKWARDS_COMPATIBILITY
#include "../MACLib.h"
#include "Anti-Predictor.h"
CAntiPredictor * CreateAntiPredictor(int nCompressionLevel, int nVersion)
{
CAntiPredictor *pAntiPredictor = NULL;
switch (nCompressionLevel)
{
#ifdef ENABLE_COMPRESSION_MODE_FAST
case COMPRESSION_LEVEL_FAST:
if (nVersion < 3320)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorFast0000To3320;
}
else
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorFast3320ToCurrent;
}
break;
#endif //ENABLE_COMPRESSION_MODE_FAST
#ifdef ENABLE_COMPRESSION_MODE_NORMAL
case COMPRESSION_LEVEL_NORMAL:
if (nVersion < 3320)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorNormal0000To3320;
}
else if (nVersion < 3800)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorNormal3320To3800;
}
else
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorNormal3800ToCurrent;
}
break;
#endif //ENABLE_COMPRESSION_MODE_NORMAL
#ifdef ENABLE_COMPRESSION_MODE_HIGH
case COMPRESSION_LEVEL_HIGH:
if (nVersion < 3320)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorHigh0000To3320;
}
else if (nVersion < 3600)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorHigh3320To3600;
}
else if (nVersion < 3700)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorHigh3600To3700;
}
else if (nVersion < 3800)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorHigh3700To3800;
}
else
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorHigh3800ToCurrent;
}
break;
#endif //ENABLE_COMPRESSION_MODE_HIGH
#ifdef ENABLE_COMPRESSION_MODE_EXTRA_HIGH
case COMPRESSION_LEVEL_EXTRA_HIGH:
if (nVersion < 3320)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorExtraHigh0000To3320;
}
else if (nVersion < 3600)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorExtraHigh3320To3600;
}
else if (nVersion < 3700)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorExtraHigh3600To3700;
}
else if (nVersion < 3800)
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorExtraHigh3700To3800;
}
else
{
pAntiPredictor = (CAntiPredictor *) new CAntiPredictorExtraHigh3800ToCurrent;
}
break;
#endif //ENABLE_COMPRESSION_MODE_EXTRA_HIGH
}
return pAntiPredictor;
}
CAntiPredictor::CAntiPredictor()
{
}
CAntiPredictor::~CAntiPredictor()
{
}
void CAntiPredictor::AntiPredict(int *pInputArray, int *pOutputArray, int NumberOfElements)
{
return;
}
void CAntiPredictorOffset::AntiPredict(int *pInputArray, int *pOutputArray, int NumberOfElements, int Offset, int DeltaM)
{
memcpy(pOutputArray, pInputArray, Offset * 4);
int *ip = &pInputArray[Offset];
int *ipo = &pOutputArray[0];
int *op = &pOutputArray[Offset];
int m = 0;
for (; op < &pOutputArray[NumberOfElements]; ip++, ipo++, op++)
{
*op = *ip + ((*ipo * m) >> 12);
(*ipo ^ *ip) > 0 ? m += DeltaM : m -= DeltaM;
}
}
#ifdef ENABLE_COMPRESSION_MODE_EXTRA_HIGH
int CAntiPredictorExtraHighHelper::ConventionalDotProduct(short *bip, short *bbm, short *pIPAdaptFactor, int op, int nNumberOfIterations)
{
// dot product
int nDotProduct = 0;
short *pMaxBBM = &bbm[nNumberOfIterations];
if (op == 0)
{
while(bbm < pMaxBBM)
{
EXPAND_32_TIMES(nDotProduct += *bip++ * *bbm++;)
}
}
else if (op > 0)
{
while(bbm < pMaxBBM)
{
EXPAND_32_TIMES(nDotProduct += *bip++ * *bbm; *bbm++ += *pIPAdaptFactor++;)
}
}
else
{
while(bbm < pMaxBBM)
{
EXPAND_32_TIMES(nDotProduct += *bip++ * *bbm; *bbm++ -= *pIPAdaptFactor++;)
}
}
// use the dot product
return nDotProduct;
}
#ifdef ENABLE_ASSEMBLY
#define MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_HEAD \
__asm movq mm0, [esi] \
__asm add esi, 8 \
__asm movq mm1, [esi] \
__asm add esi, 8 \
__asm movq mm2, [esi] \
__asm add esi, 8 \
\
__asm movq mm3, [edi] \
__asm add edi, 8 \
__asm movq mm4, [edi] \
__asm add edi, 8 \
__asm movq mm5, [edi] \
__asm sub edi, 16 \
\
__asm pmaddwd mm0, mm3 \
__asm pmaddwd mm1, mm4 \
__asm pmaddwd mm2, mm5 \
\
__asm paddd mm7, mm0 \
__asm paddd mm7, mm1 \
__asm paddd mm7, mm2 \
#define MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD \
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_HEAD \
\
__asm paddw mm3, DWORD PTR [eax] \
__asm movq [edi], mm3 \
__asm add eax, 8 \
__asm add edi, 8 \
__asm paddw mm4, DWORD PTR [eax] \
__asm movq [edi], mm4 \
__asm add eax, 8 \
__asm add edi, 8 \
__asm paddw mm5, DWORD PTR [eax] \
__asm movq [edi], mm5 \
__asm add eax, 8 \
__asm add edi, 8
#define MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT \
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_HEAD \
\
__asm psubw mm3, DWORD PTR [eax] \
__asm movq [edi], mm3 \
__asm add eax, 8 \
__asm add edi, 8 \
__asm psubw mm4, DWORD PTR [eax] \
__asm movq [edi], mm4 \
__asm add eax, 8 \
__asm add edi, 8 \
__asm psubw mm5, DWORD PTR [eax] \
__asm movq [edi], mm5 \
__asm add eax, 8 \
__asm add edi, 8
int CAntiPredictorExtraHighHelper::MMXDotProduct(short *bip, short *bbm, short *pIPAdaptFactor, int op, int nNumberOfIterations)
{
int nDotProduct;
nNumberOfIterations = (nNumberOfIterations / 128);
if (op > 0)
{
__asm
{
push eax
mov eax, DWORD PTR [pIPAdaptFactor]
push esi
push edi
mov esi, DWORD PTR bip[0]
mov edi, DWORD PTR bbm[0]
pxor mm7, mm7
LBL_ADD_AGAIN:
/////////////////////////////////////////////////////////
// process 8 mm registers full
/////////////////////////////////////////////////////////
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_ADD
// fill the registers
movq mm0, [esi]
add esi, 8
movq mm1, [esi]
add esi, 8
movq mm3, [edi]
add edi, 8
movq mm4, [edi]
sub edi, 8
pmaddwd mm0, mm3
pmaddwd mm1, mm4
paddd mm7, mm0
paddd mm7, mm1
paddw mm3, DWORD PTR [eax]
movq [edi], mm3
add eax, 8
add edi, 8
paddw mm4, DWORD PTR [eax]
movq [edi], mm4
add eax, 8
add edi, 8
sub nNumberOfIterations, 1
cmp nNumberOfIterations, 0
jg LBL_ADD_AGAIN
///////////////////////////////////////////////////////////////
// clean-up
///////////////////////////////////////////////////////////////
// mm7 has the final dot-product (split into two dwords)
movq mm6, mm7
psrlq mm7, 32
paddd mm6, mm7
movd nDotProduct, mm6
pop edi
pop esi
pop eax
emms
}
}
else
{
__asm
{
push eax
mov eax, DWORD PTR [pIPAdaptFactor]
push esi
push edi
mov esi, DWORD PTR bip[0]
mov edi, DWORD PTR bbm[0]
pxor mm7, mm7
LBL_SUBTRACT_AGAIN:
/////////////////////////////////////////////////////////
// process 8 mm registers full
/////////////////////////////////////////////////////////
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
MMX_DOT_PRODUCT_3800_TO_CURRENT_PROCESS_CHUNK_SUBTRACT
// fill the registers
movq mm0, [esi]
add esi, 8
movq mm1, [esi]
add esi, 8
movq mm3, [edi]
add edi, 8
movq mm4, [edi]
sub edi, 8
pmaddwd mm0, mm3
pmaddwd mm1, mm4
paddd mm7, mm0
paddd mm7, mm1
psubw mm3, DWORD PTR [eax]
movq [edi], mm3
add eax, 8
add edi, 8
psubw mm4, DWORD PTR [eax]
movq [edi], mm4
add eax, 8
add edi, 8
sub nNumberOfIterations, 1
cmp nNumberOfIterations, 0
jg LBL_SUBTRACT_AGAIN
///////////////////////////////////////////////////////////////
// clean-up
///////////////////////////////////////////////////////////////
// mm7 has the final dot-product (split into two dwords)
movq mm6, mm7
psrlq mm7, 32
paddd mm6, mm7
movd nDotProduct, mm6
pop edi
pop esi
pop eax
emms
}
}
return nDotProduct;
}
#endif // #ifdef ENABLE_ASSEMBLY
#endif // #ifdef ENABLE_COMPRESSION_MODE_EXTRA_HIGH
#endif // #ifdef BACKWARDS_COMPATIBILITY
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