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|
// VirtualDub - Video processing and capture application
// Copyright (C) 1998-2001 Avery Lee
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// Notes:
// - BitBltFromI420ToRGB is from VirtualDub
// - The core assembly function of CCpuID is from DVD2AVI
// - sse2 yv12 to yuy2 conversion by Haali
// (- vd.cpp/h should be renamed to something more sensible already :)
#include "stdafx.h"
#include "vd.h"
#include "cpuid_32_64.h"
#pragma warning(disable : 4799) // no emms... blahblahblah
#ifdef _WIN64 // _WIN64
CCpuID g_cpuid;
CCpuID::CCpuID()
{
// TODOX64 : ??
CPUID_ARGS ca;
ca.eax = 1;
_CPUID(&ca);
int t = ca.edx;
int mflags = 0;
mflags |= ((t&0x00800000)!=0) ? mmx : 0; // STD MMX
mflags |= ((t&0x02000000)!=0) ? ssemmx+ssefpu : 0;// STD SSE
mflags |= ((t&0x04000000)!=0) ? sse2 : 0; // SSE2
// 3dnow
ca.eax = 0x80000001;
_CPUID(&ca);
t = ca.edx;
mflags |= ((t&0x80000000)!=0) ? _3dnow : 0; // 3D NOW
mflags |= ((t&0x00400000)!=0) ? ssemmx : 0; // SSE MMX
// result
//m_flags = (flag_t)7;
m_flags = (flag_t)mflags;
}
static void yuvtoyuy2row_c(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width)
{
WORD* dstw = (WORD*)dst;
for(; width > 1; width -= 2)
{
*dstw++ = (*srcu++<<8)|*srcy++;
*dstw++ = (*srcv++<<8)|*srcy++;
}
}
static void yuvtoyuy2row_avg_c(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width, DWORD pitchuv)
{
WORD* dstw = (WORD*)dst;
for(; width > 1; width -= 2, srcu++, srcv++)
{
*dstw++ = (((srcu[0]+srcu[pitchuv])>>1)<<8)|*srcy++;
*dstw++ = (((srcv[0]+srcv[pitchuv])>>1)<<8)|*srcy++;
}
}
static void asm_blend_row_clipped_c(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
BYTE* src2 = src + srcpitch;
do {*dst++ = (*src++ + *src2++ + 1) >> 1;}
while(w--);
}
static void asm_blend_row_c(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
BYTE* src2 = src + srcpitch;
BYTE* src3 = src2 + srcpitch;
do {*dst++ = (*src++ + (*src2++ << 1) + *src3++ + 2) >> 2;}
while(w--);
}
bool BitBltFromI420ToI420(int w, int h, BYTE* dsty, BYTE* dstu, BYTE* dstv, int dstpitch, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch)
{
if((w&1)) return(false);
if(w > 0 && w == srcpitch && w == dstpitch)
{
memcpy(dsty, srcy, h*srcpitch);
memcpy(dstu, srcu, h/2*srcpitch/2);
memcpy(dstv, srcv, h/2*srcpitch/2);
}
else
{
int pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y++, srcy += srcpitch, dsty += dstpitch)
memcpy(dsty, srcy, pitch);
srcpitch >>= 1;
dstpitch >>= 1;
pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y+=2, srcu += srcpitch, dstu += dstpitch)
memcpy(dstu, srcu, pitch);
for(ptrdiff_t y = 0; y < h; y+=2, srcv += srcpitch, dstv += dstpitch)
memcpy(dstv, srcv, pitch);
}
return true;
}
bool BitBltFromI420ToYUY2(int w, int h, BYTE* dst, int dstpitch, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch, bool fInterlaced)
{
if(w<=0 || h<=0 || (w&1) || (h&1))
return(false);
if(srcpitch == 0) srcpitch = w;
do
{
yuvtoyuy2row_c(dst, srcy, srcu, srcv, w);
yuvtoyuy2row_avg_c(dst + dstpitch, srcy + srcpitch, srcu, srcv, w, srcpitch/2);
dst += 2*dstpitch;
srcy += srcpitch*2;
srcu += srcpitch/2;
srcv += srcpitch/2;
}
while((h -= 2) > 2);
yuvtoyuy2row_c(dst, srcy, srcu, srcv, w);
yuvtoyuy2row_c(dst + dstpitch, srcy + srcpitch, srcu, srcv, w);
return(true);
}
bool BitBltFromYUY2ToYUY2(int w, int h, BYTE* dst, int dstpitch, BYTE* src, int srcpitch)
{
if(w > 0 && w == srcpitch && w == dstpitch)
{
memcpy(dst, src, h*srcpitch);
}
else
{
int pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
memcpy(dst, src, pitch);
}
return(true);
}
bool BitBltFromI420ToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch)
{
ASSERT(FALSE);
return false;
}
bool BitBltFromRGBToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* src, int srcpitch, int sbpp)
{
if(dbpp == sbpp)
{
int rowbytes = w*dbpp>>3;
if(rowbytes > 0 && rowbytes == srcpitch && rowbytes == dstpitch)
{
memcpy(dst, src, h*rowbytes);
}
else
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
memcpy(dst, src, rowbytes);
}
return(true);
}
if(sbpp != 16 && sbpp != 24 && sbpp != 32
|| dbpp != 16 && dbpp != 24 && dbpp != 32)
return(false);
if(dbpp == 16)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 24)
{
BYTE* s = (BYTE*)src;
WORD* d = (WORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=3, d++)
*d = (WORD)(((*((DWORD*)s)>>8)&0xf800)|((*((DWORD*)s)>>5)&0x07e0)|((*((DWORD*)s)>>3)&0x1f));
}
else if(sbpp == 32)
{
DWORD* s = (DWORD*)src;
WORD* d = (WORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d++)
*d = (WORD)(((*s>>8)&0xf800)|((*s>>5)&0x07e0)|((*s>>3)&0x1f));
}
}
}
else if(dbpp == 24)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 16)
{
WORD* s = (WORD*)src;
BYTE* d = (BYTE*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d+=3)
{ // not tested, r-g-b might be in reverse
d[0] = (*s&0x001f)<<3;
d[1] = (*s&0x07e0)<<5;
d[2] = (*s&0xf800)<<8;
}
}
else if(sbpp == 32)
{
BYTE* s = (BYTE*)src;
BYTE* d = (BYTE*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=4, d+=3)
{d[0] = s[0]; d[1] = s[1]; d[2] = s[2];}
}
}
}
else if(dbpp == 32)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 16)
{
WORD* s = (WORD*)src;
DWORD* d = (DWORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d++)
*d = ((*s&0xf800)<<8)|((*s&0x07e0)<<5)|((*s&0x001f)<<3);
}
else if(sbpp == 24)
{
BYTE* s = (BYTE*)src;
DWORD* d = (DWORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=3, d++)
*d = *((DWORD*)s)&0xffffff;
}
}
}
return(true);
}
bool BitBltFromYUY2ToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* src, int srcpitch)
{
ASSERT(FALSE);
return false;
}
void DeinterlaceBlend(BYTE* dst, BYTE* src, DWORD rowbytes, DWORD h, DWORD dstpitch, DWORD srcpitch)
{
asm_blend_row_clipped_c(dst, src, rowbytes, srcpitch);
if((h -= 2) > 0) do
{
dst += dstpitch;
asm_blend_row_c(dst, src, rowbytes, srcpitch);
src += srcpitch;
}
while(--h);
asm_blend_row_clipped_c(dst + dstpitch, src, rowbytes, srcpitch);
}
void DeinterlaceBob(BYTE* dst, BYTE* src, DWORD rowbytes, DWORD h, DWORD dstpitch, DWORD srcpitch, bool topfield)
{
if(topfield)
{
BitBltFromRGBToRGB(rowbytes, h/2, dst, dstpitch*2, 8, src, srcpitch*2, 8);
AvgLines8(dst, h, dstpitch);
}
else
{
BitBltFromRGBToRGB(rowbytes, h/2, dst + dstpitch, dstpitch*2, 8, src + srcpitch, srcpitch*2, 8);
AvgLines8(dst + dstpitch, h-1, dstpitch);
}
}
void AvgLines8(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
BYTE* tmp = s;
{
for(ptrdiff_t i = pitch; i--; tmp++)
{
tmp[pitch] = (tmp[0] + tmp[pitch<<1] + 1) >> 1;
}
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy(dst + pitch, dst, pitch);
}
}
void AvgLines555(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
WORD* tmp = (WORD*)s;
for(ptrdiff_t wd=(pitch>>3);wd--;tmp++)
{
tmp[0] =
((((*tmp&0x7c00) + (tmp[pitch<<1]&0x7c00)) >> 1)&0x7c00)|
((((*tmp&0x03e0) + (tmp[pitch<<1]&0x03e0)) >> 1)&0x03e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
for(ptrdiff_t i = (pitch&7)>>1; i--; tmp++)
{
tmp[pitch] =
((((*tmp&0x7c00) + (tmp[pitch<<1]&0x7c00)) >> 1)&0x7c00)|
((((*tmp&0x03e0) + (tmp[pitch<<1]&0x03e0)) >> 1)&0x03e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy(dst + pitch, dst, pitch);
}
}
void AvgLines565(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
WORD* tmp = (WORD*)s;
for(ptrdiff_t wd=(pitch>>3);wd--;tmp++)
{
tmp[0] =
((((*tmp&0xf800) + (tmp[pitch<<1]&0xf800)) >> 1)&0xf800)|
((((*tmp&0x07e0) + (tmp[pitch<<1]&0x07e0)) >> 1)&0x07e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
for(ptrdiff_t i = (pitch&7)>>1; i--; tmp++)
{
tmp[pitch] =
((((*tmp&0xf800) + (tmp[pitch<<1]&0xf800)) >> 1)&0xf800)|
((((*tmp&0x07e0) + (tmp[pitch<<1]&0x07e0)) >> 1)&0x07e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy(dst + pitch, dst, pitch);
}
}
#else // _WIN64
CCpuID::CCpuID()
{
DWORD flags = 0;
__asm
{
mov eax, 1
cpuid
test edx, 0x00800000 // STD MMX
jz TEST_SSE
or [flags], 1
TEST_SSE:
test edx, 0x02000000 // STD SSE
jz TEST_SSE2
or [flags], 2
or [flags], 4
TEST_SSE2:
test edx, 0x04000000 // SSE2
jz TEST_3DNOW
or [flags], 8
TEST_3DNOW:
mov eax, 0x80000001
cpuid
test edx, 0x80000000 // 3D NOW
jz TEST_SSEMMX
or [flags], 16
TEST_SSEMMX:
test edx, 0x00400000 // SSE MMX
jz TEST_END
or [flags], 2
TEST_END:
}
m_flags = (flag_t)flags;
}
CCpuID g_cpuid;
void memcpy_accel(void* dst, const void* src, size_t len)
{
if((g_cpuid.m_flags & CCpuID::ssefpu) && len >= 128
&& !((DWORD)src&15) && !((DWORD)dst&15))
{
__asm
{
mov esi, dword ptr [src]
mov edi, dword ptr [dst]
mov ecx, len
shr ecx, 7
memcpy_accel_sse_loop:
prefetchnta [esi+16*8]
movaps xmm0, [esi]
movaps xmm1, [esi+16*1]
movaps xmm2, [esi+16*2]
movaps xmm3, [esi+16*3]
movaps xmm4, [esi+16*4]
movaps xmm5, [esi+16*5]
movaps xmm6, [esi+16*6]
movaps xmm7, [esi+16*7]
movntps [edi], xmm0
movntps [edi+16*1], xmm1
movntps [edi+16*2], xmm2
movntps [edi+16*3], xmm3
movntps [edi+16*4], xmm4
movntps [edi+16*5], xmm5
movntps [edi+16*6], xmm6
movntps [edi+16*7], xmm7
add esi, 128
add edi, 128
dec ecx
jne memcpy_accel_sse_loop
mov ecx, len
and ecx, 127
cmp ecx, 0
je memcpy_accel_sse_end
memcpy_accel_sse_loop2:
mov dl, byte ptr[esi]
mov byte ptr[edi], dl
inc esi
inc edi
dec ecx
jne memcpy_accel_sse_loop2
memcpy_accel_sse_end:
emms
sfence
}
}
else if((g_cpuid.m_flags & CCpuID::mmx) && len >= 64
&& !((DWORD)src&7) && !((DWORD)dst&7))
{
__asm
{
mov esi, dword ptr [src]
mov edi, dword ptr [dst]
mov ecx, len
shr ecx, 6
memcpy_accel_mmx_loop:
movq mm0, qword ptr [esi]
movq mm1, qword ptr [esi+8*1]
movq mm2, qword ptr [esi+8*2]
movq mm3, qword ptr [esi+8*3]
movq mm4, qword ptr [esi+8*4]
movq mm5, qword ptr [esi+8*5]
movq mm6, qword ptr [esi+8*6]
movq mm7, qword ptr [esi+8*7]
movq qword ptr [edi], mm0
movq qword ptr [edi+8*1], mm1
movq qword ptr [edi+8*2], mm2
movq qword ptr [edi+8*3], mm3
movq qword ptr [edi+8*4], mm4
movq qword ptr [edi+8*5], mm5
movq qword ptr [edi+8*6], mm6
movq qword ptr [edi+8*7], mm7
add esi, 64
add edi, 64
loop memcpy_accel_mmx_loop
mov ecx, len
and ecx, 63
cmp ecx, 0
je memcpy_accel_mmx_end
memcpy_accel_mmx_loop2:
mov dl, byte ptr [esi]
mov byte ptr [edi], dl
inc esi
inc edi
dec ecx
jne memcpy_accel_mmx_loop2
memcpy_accel_mmx_end:
emms
}
}
else
{
memcpy(dst, src, len);
}
}
static void yuvtoyuy2row_c(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width)
{
WORD* dstw = (WORD*)dst;
for(; width > 1; width -= 2)
{
*dstw++ = (*srcu++<<8)|*srcy++;
*dstw++ = (*srcv++<<8)|*srcy++;
}
}
static void yuvtoyuy2row_avg_c(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width, DWORD pitchuv)
{
WORD* dstw = (WORD*)dst;
for(; width > 1; width -= 2, srcu++, srcv++)
{
*dstw++ = (((srcu[0]+srcu[pitchuv])>>1)<<8)|*srcy++;
*dstw++ = (((srcv[0]+srcv[pitchuv])>>1)<<8)|*srcy++;
}
}
static void asm_blend_row_clipped_c(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
BYTE* src2 = src + srcpitch;
do {*dst++ = (*src++ + *src2++ + 1) >> 1;}
while(w--);
}
static void asm_blend_row_c(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
BYTE* src2 = src + srcpitch;
BYTE* src3 = src2 + srcpitch;
do {*dst++ = (*src++ + (*src2++ << 1) + *src3++ + 2) >> 2;}
while(w--);
}
bool BitBltFromI420ToI420(int w, int h, BYTE* dsty, BYTE* dstu, BYTE* dstv, int dstpitch, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch)
{
if((w&1)) return(false);
if(w > 0 && w == srcpitch && w == dstpitch)
{
memcpy_accel(dsty, srcy, h*srcpitch);
memcpy_accel(dstu, srcu, h/2*srcpitch/2);
memcpy_accel(dstv, srcv, h/2*srcpitch/2);
}
else
{
int pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y++, srcy += srcpitch, dsty += dstpitch)
memcpy_accel(dsty, srcy, pitch);
srcpitch >>= 1;
dstpitch >>= 1;
pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y+=2, srcu += srcpitch, dstu += dstpitch)
memcpy_accel(dstu, srcu, pitch);
for(ptrdiff_t y = 0; y < h; y+=2, srcv += srcpitch, dstv += dstpitch)
memcpy_accel(dstv, srcv, pitch);
}
return true;
}
bool BitBltFromYUY2ToYUY2(int w, int h, BYTE* dst, int dstpitch, BYTE* src, int srcpitch)
{
if(w > 0 && w == srcpitch && w == dstpitch)
{
memcpy_accel(dst, src, h*srcpitch);
}
else
{
int pitch = min(abs(srcpitch), abs(dstpitch));
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
memcpy_accel(dst, src, pitch);
}
return(true);
}
extern "C" void asm_YUVtoRGB32_row(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB24_row(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB16_row(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB32_row_MMX(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB24_row_MMX(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB16_row_MMX(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB32_row_ISSE(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB24_row_ISSE(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
extern "C" void asm_YUVtoRGB16_row_ISSE(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width);
bool BitBltFromI420ToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch)
{
if(w<=0 || h<=0 || (w&1) || (h&1))
return(false);
void (*asm_YUVtoRGB_row)(void* ARGB1, void* ARGB2, BYTE* Y1, BYTE* Y2, BYTE* U, BYTE* V, long width) = NULL;;
if((g_cpuid.m_flags & CCpuID::ssefpu) && !(w&7))
{
switch(dbpp)
{
case 16: asm_YUVtoRGB_row = asm_YUVtoRGB16_row/*_ISSE*/; break; // TODO: fix _ISSE (555->565)
case 24: asm_YUVtoRGB_row = asm_YUVtoRGB24_row_ISSE; break;
case 32: asm_YUVtoRGB_row = asm_YUVtoRGB32_row_ISSE; break;
}
}
else if((g_cpuid.m_flags & CCpuID::mmx) && !(w&7))
{
switch(dbpp)
{
case 16: asm_YUVtoRGB_row = asm_YUVtoRGB16_row/*_MMX*/; break; // TODO: fix _MMX (555->565)
case 24: asm_YUVtoRGB_row = asm_YUVtoRGB24_row_MMX; break;
case 32: asm_YUVtoRGB_row = asm_YUVtoRGB32_row_MMX; break;
}
}
else
{
switch(dbpp)
{
case 16: asm_YUVtoRGB_row = asm_YUVtoRGB16_row; break;
case 24: asm_YUVtoRGB_row = asm_YUVtoRGB24_row; break;
case 32: asm_YUVtoRGB_row = asm_YUVtoRGB32_row; break;
}
}
if(!asm_YUVtoRGB_row)
return(false);
do
{
asm_YUVtoRGB_row(dst + dstpitch, dst, srcy + srcpitch, srcy, srcu, srcv, w/2);
dst += 2*dstpitch;
srcy += srcpitch*2;
srcu += srcpitch/2;
srcv += srcpitch/2;
}
while(h -= 2);
if(g_cpuid.m_flags & CCpuID::mmx)
__asm emms
if(g_cpuid.m_flags & CCpuID::ssefpu)
__asm sfence
return true;
}
static void __declspec(naked) yuvtoyuy2row_MMX(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width)
{
__asm {
push ebp
push edi
push esi
push ebx
mov edi, [esp+20] // dst
mov ebp, [esp+24] // srcy
mov ebx, [esp+28] // srcu
mov esi, [esp+32] // srcv
mov ecx, [esp+36] // width
shr ecx, 3
yuvtoyuy2row_loop:
movd mm0, [ebx]
punpcklbw mm0, [esi]
movq mm1, [ebp]
movq mm2, mm1
punpcklbw mm1, mm0
punpckhbw mm2, mm0
movq [edi], mm1
movq [edi+8], mm2
add ebp, 8
add ebx, 4
add esi, 4
add edi, 16
dec ecx
jnz yuvtoyuy2row_loop
pop ebx
pop esi
pop edi
pop ebp
ret
};
}
static void __declspec(naked) yuvtoyuy2row_avg_MMX(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width, DWORD pitchuv)
{
static const __int64 mask = 0x7f7f7f7f7f7f7f7fi64;
__asm {
push ebp
push edi
push esi
push ebx
movq mm7, mask
mov edi, [esp+20] // dst
mov ebp, [esp+24] // srcy
mov ebx, [esp+28] // srcu
mov esi, [esp+32] // srcv
mov ecx, [esp+36] // width
mov eax, [esp+40] // pitchuv
shr ecx, 3
yuvtoyuy2row_avg_loop:
movd mm0, [ebx]
punpcklbw mm0, [esi]
movq mm1, mm0
movd mm2, [ebx + eax]
punpcklbw mm2, [esi + eax]
movq mm3, mm2
// (x+y)>>1 == (x&y)+((x^y)>>1)
pand mm0, mm2
pxor mm1, mm3
psrlq mm1, 1
pand mm1, mm7
paddb mm0, mm1
movq mm1, [ebp]
movq mm2, mm1
punpcklbw mm1, mm0
punpckhbw mm2, mm0
movq [edi], mm1
movq [edi+8], mm2
add ebp, 8
add ebx, 4
add esi, 4
add edi, 16
dec ecx
jnz yuvtoyuy2row_avg_loop
pop ebx
pop esi
pop edi
pop ebp
ret
};
}
static void __declspec(naked) yv12_yuy2_row_sse2() {
__asm {
// ebx - Y
// edx - U
// esi - V
// edi - dest
// ecx - halfwidth
xor eax, eax
one:
movdqa xmm0, [ebx + eax*2] // YYYYYYYY
movdqa xmm1, [ebx + eax*2 + 16] // YYYYYYYY
movdqa xmm2, [edx + eax] // UUUUUUUU
movdqa xmm3, [esi + eax] // VVVVVVVV
movdqa xmm4, xmm2
movdqa xmm5, xmm0
movdqa xmm6, xmm1
punpcklbw xmm2, xmm3 // VUVUVUVU
punpckhbw xmm4, xmm3 // VUVUVUVU
punpcklbw xmm0, xmm2 // VYUYVYUY
punpcklbw xmm1, xmm4
punpckhbw xmm5, xmm2
punpckhbw xmm6, xmm4
movntdq [edi + eax*4], xmm0
movntdq [edi + eax*4 + 16], xmm5
movntdq [edi + eax*4 + 32], xmm1
movntdq [edi + eax*4 + 48], xmm6
add eax, 16
cmp eax, ecx
jb one
ret
};
}
static void __declspec(naked) yv12_yuy2_row_sse2_linear() {
__asm {
// ebx - Y
// edx - U
// esi - V
// edi - dest
// ecx - width
// ebp - uv_stride
xor eax, eax
one:
movdqa xmm0, [ebx + eax*2] // YYYYYYYY
movdqa xmm1, [ebx + eax*2 + 16] // YYYYYYYY
movdqa xmm2, [edx]
movdqa xmm3, [esi]
pavgb xmm2, [edx + ebp] // UUUUUUUU
pavgb xmm3, [esi + ebp] // VVVVVVVV
movdqa xmm4, xmm2
movdqa xmm5, xmm0
movdqa xmm6, xmm1
punpcklbw xmm2, xmm3 // VUVUVUVU
punpckhbw xmm4, xmm3 // VUVUVUVU
punpcklbw xmm0, xmm2 // VYUYVYUY
punpcklbw xmm1, xmm4
punpckhbw xmm5, xmm2
punpckhbw xmm6, xmm4
movntdq [edi + eax*4], xmm0
movntdq [edi + eax*4 + 16], xmm5
movntdq [edi + eax*4 + 32], xmm1
movntdq [edi + eax*4 + 48], xmm6
add eax, 16
add edx, 16
add esi, 16
cmp eax, ecx
jb one
ret
};
}
static void __declspec(naked) yv12_yuy2_row_sse2_linear_interlaced() {
__asm {
// ebx - Y
// edx - U
// esi - V
// edi - dest
// ecx - width
// ebp - uv_stride
xor eax, eax
one:
movdqa xmm0, [ebx + eax*2] // YYYYYYYY
movdqa xmm1, [ebx + eax*2 + 16] // YYYYYYYY
movdqa xmm2, [edx]
movdqa xmm3, [esi]
pavgb xmm2, [edx + ebp*2] // UUUUUUUU
pavgb xmm3, [esi + ebp*2] // VVVVVVVV
movdqa xmm4, xmm2
movdqa xmm5, xmm0
movdqa xmm6, xmm1
punpcklbw xmm2, xmm3 // VUVUVUVU
punpckhbw xmm4, xmm3 // VUVUVUVU
punpcklbw xmm0, xmm2 // VYUYVYUY
punpcklbw xmm1, xmm4
punpckhbw xmm5, xmm2
punpckhbw xmm6, xmm4
movntdq [edi + eax*4], xmm0
movntdq [edi + eax*4 + 16], xmm5
movntdq [edi + eax*4 + 32], xmm1
movntdq [edi + eax*4 + 48], xmm6
add eax, 16
add edx, 16
add esi, 16
cmp eax, ecx
jb one
ret
};
}
void __declspec(naked) yv12_yuy2_sse2(const BYTE *Y, const BYTE *U, const BYTE *V,
int halfstride, unsigned halfwidth, unsigned height,
BYTE *YUY2, int d_stride)
{
__asm {
push ebx
push esi
push edi
push ebp
mov ebx, [esp + 20] // Y
mov edx, [esp + 24] // U
mov esi, [esp + 28] // V
mov edi, [esp + 44] // D
mov ebp, [esp + 32] // uv_stride
mov ecx, [esp + 36] // uv_width
mov eax, ecx
add eax, 15
and eax, 0xfffffff0
sub [esp + 32], eax
cmp dword ptr [esp + 40], 2
jbe last2
row:
sub dword ptr [esp + 40], 2
call yv12_yuy2_row_sse2
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
call yv12_yuy2_row_sse2_linear
add edx, [esp + 32]
add esi, [esp + 32]
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
cmp dword ptr [esp + 40], 2
ja row
last2:
call yv12_yuy2_row_sse2
dec dword ptr [esp + 40]
jz done
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
call yv12_yuy2_row_sse2
done:
pop ebp
pop edi
pop esi
pop ebx
ret
};
}
void __declspec(naked) yv12_yuy2_sse2_interlaced(const BYTE *Y, const BYTE *U, const BYTE *V,
int halfstride, unsigned halfwidth, unsigned height,
BYTE *YUY2, int d_stride)
{
__asm {
push ebx
push esi
push edi
push ebp
mov ebx, [esp + 20] // Y
mov edx, [esp + 24] // U
mov esi, [esp + 28] // V
mov edi, [esp + 44] // D
mov ebp, [esp + 32] // uv_stride
mov ecx, [esp + 36] // uv_width
mov eax, ecx
add eax, 15
and eax, 0xfffffff0
sub [esp + 32], eax
cmp dword ptr [esp + 40], 4
jbe last4
row:
sub dword ptr [esp + 40], 4
call yv12_yuy2_row_sse2 // first row, first field
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
add edx, ebp
add esi, ebp
call yv12_yuy2_row_sse2 // first row, second field
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
sub edx, ebp
sub esi, ebp
call yv12_yuy2_row_sse2_linear_interlaced // second row, first field
add edx, [esp + 32]
add esi, [esp + 32]
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
call yv12_yuy2_row_sse2_linear_interlaced // second row, second field
add edx, [esp + 32]
add esi, [esp + 32]
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
cmp dword ptr [esp + 40], 4
ja row
last4:
call yv12_yuy2_row_sse2
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
add edx, ebp
add esi, ebp
call yv12_yuy2_row_sse2
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
sub edx, ebp
sub esi, ebp
call yv12_yuy2_row_sse2
lea ebx, [ebx + ebp*2]
add edi, [esp + 48]
add edx, ebp
add esi, ebp
call yv12_yuy2_row_sse2
pop ebp
pop edi
pop esi
pop ebx
ret
};
}
bool BitBltFromI420ToYUY2(int w, int h, BYTE* dst, int dstpitch, BYTE* srcy, BYTE* srcu, BYTE* srcv, int srcpitch, bool fInterlaced)
{
if(w<=0 || h<=0 || (w&1) || (h&1))
return(false);
if(srcpitch == 0) srcpitch = w;
if((g_cpuid.m_flags & CCpuID::sse2)
&& !((DWORD_PTR)srcy&15) && !((DWORD_PTR)srcu&15) && !((DWORD_PTR)srcv&15) && !(srcpitch&31)
&& !((DWORD_PTR)dst&15) && !(dstpitch&15))
{
if(!fInterlaced) yv12_yuy2_sse2(srcy, srcu, srcv, srcpitch/2, w/2, h, dst, dstpitch);
else yv12_yuy2_sse2_interlaced(srcy, srcu, srcv, srcpitch/2, w/2, h, dst, dstpitch);
return true;
}
else
{
ASSERT(!fInterlaced);
}
void (*yuvtoyuy2row)(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width) = NULL;
void (*yuvtoyuy2row_avg)(BYTE* dst, BYTE* srcy, BYTE* srcu, BYTE* srcv, DWORD width, DWORD pitchuv) = NULL;
if((g_cpuid.m_flags & CCpuID::mmx) && !(w&7))
{
yuvtoyuy2row = yuvtoyuy2row_MMX;
yuvtoyuy2row_avg = yuvtoyuy2row_avg_MMX;
}
else
{
yuvtoyuy2row = yuvtoyuy2row_c;
yuvtoyuy2row_avg = yuvtoyuy2row_avg_c;
}
if(!yuvtoyuy2row)
return(false);
do
{
yuvtoyuy2row(dst, srcy, srcu, srcv, w);
yuvtoyuy2row_avg(dst + dstpitch, srcy + srcpitch, srcu, srcv, w, srcpitch/2);
dst += 2*dstpitch;
srcy += srcpitch*2;
srcu += srcpitch/2;
srcv += srcpitch/2;
}
while((h -= 2) > 2);
yuvtoyuy2row(dst, srcy, srcu, srcv, w);
yuvtoyuy2row(dst + dstpitch, srcy + srcpitch, srcu, srcv, w);
if(g_cpuid.m_flags & CCpuID::mmx)
__asm emms
return(true);
}
bool BitBltFromRGBToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* src, int srcpitch, int sbpp)
{
if(dbpp == sbpp)
{
int rowbytes = w*dbpp>>3;
if(rowbytes > 0 && rowbytes == srcpitch && rowbytes == dstpitch)
{
memcpy_accel(dst, src, h*rowbytes);
}
else
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
memcpy_accel(dst, src, rowbytes);
}
return(true);
}
if(sbpp != 16 && sbpp != 24 && sbpp != 32
|| dbpp != 16 && dbpp != 24 && dbpp != 32)
return(false);
if(dbpp == 16)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 24)
{
BYTE* s = (BYTE*)src;
WORD* d = (WORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=3, d++)
*d = (WORD)(((*((DWORD*)s)>>8)&0xf800)|((*((DWORD*)s)>>5)&0x07e0)|((*((DWORD*)s)>>3)&0x1f));
}
else if(sbpp == 32)
{
DWORD* s = (DWORD*)src;
WORD* d = (WORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d++)
*d = (WORD)(((*s>>8)&0xf800)|((*s>>5)&0x07e0)|((*s>>3)&0x1f));
}
}
}
else if(dbpp == 24)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 16)
{
WORD* s = (WORD*)src;
BYTE* d = (BYTE*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d+=3)
{ // not tested, r-g-b might be in reverse
d[0] = (*s&0x001f)<<3;
d[1] = (*s&0x07e0)<<5;
d[2] = (*s&0xf800)<<8;
}
}
else if(sbpp == 32)
{
BYTE* s = (BYTE*)src;
BYTE* d = (BYTE*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=4, d+=3)
{d[0] = s[0]; d[1] = s[1]; d[2] = s[2];}
}
}
}
else if(dbpp == 32)
{
for(ptrdiff_t y = 0; y < h; y++, src += srcpitch, dst += dstpitch)
{
if(sbpp == 16)
{
WORD* s = (WORD*)src;
DWORD* d = (DWORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s++, d++)
*d = ((*s&0xf800)<<8)|((*s&0x07e0)<<5)|((*s&0x001f)<<3);
}
else if(sbpp == 24)
{
BYTE* s = (BYTE*)src;
DWORD* d = (DWORD*)dst;
for(ptrdiff_t x = 0; x < w; x++, s+=3, d++)
*d = *((DWORD*)s)&0xffffff;
}
}
}
return(true);
}
static void __declspec(naked) asm_blend_row_clipped_MMX(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
static const __int64 _x0001000100010001 = 0x0001000100010001;
__asm {
push ebp
push edi
push esi
push ebx
mov edi,[esp+20]
mov esi,[esp+24]
sub edi,esi
mov ebp,[esp+28]
mov edx,[esp+32]
shr ebp, 3
movq mm6, _x0001000100010001
pxor mm7, mm7
xloop:
movq mm0, [esi]
movq mm3, mm0
punpcklbw mm0, mm7
punpckhbw mm3, mm7
movq mm1, [esi+edx]
movq mm4, mm1
punpcklbw mm1, mm7
punpckhbw mm4, mm7
paddw mm1, mm0
paddw mm1, mm6
psrlw mm1, 1
paddw mm4, mm3
paddw mm4, mm6
psrlw mm4, 1
add esi, 8
packuswb mm1, mm4
movq [edi+esi-8], mm1
dec ebp
jne xloop
pop ebx
pop esi
pop edi
pop ebp
ret
};
}
static void __declspec(naked) asm_blend_row_MMX(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
static const __int64 mask0 = 0xfcfcfcfcfcfcfcfci64;
static const __int64 mask1 = 0x7f7f7f7f7f7f7f7fi64;
static const __int64 mask2 = 0x3f3f3f3f3f3f3f3fi64;
static const __int64 _x0002000200020002 = 0x0002000200020002;
__asm {
push ebp
push edi
push esi
push ebx
mov edi, [esp+20]
mov esi, [esp+24]
sub edi, esi
mov ebp, [esp+28]
mov edx, [esp+32]
shr ebp, 3
movq mm6, _x0002000200020002
pxor mm7, mm7
xloop:
movq mm0, [esi]
movq mm3, mm0
punpcklbw mm0, mm7
punpckhbw mm3, mm7
movq mm1, [esi+edx]
movq mm4, mm1
punpcklbw mm1, mm7
punpckhbw mm4, mm7
movq mm2, [esi+edx*2]
movq mm5, mm2
punpcklbw mm2, mm7
punpckhbw mm5, mm7
psllw mm1, 1
paddw mm1, mm0
paddw mm1, mm2
paddw mm1, mm6
psrlw mm1, 2
psllw mm4, 1
paddw mm4, mm3
paddw mm4, mm5
paddw mm4, mm6
psrlw mm4, 2
add esi, 8
packuswb mm1, mm4
movq [edi+esi-8], mm1
dec ebp
jne xloop
// sadly the original code makes a lot of visible banding artifacts on yuv
// (it seems those shiftings without rounding introduce too much error)
/*
mov edi,[esp+20]
mov esi,[esp+24]
sub edi,esi
mov ebp,[esp+28]
mov edx,[esp+32]
movq mm5,mask0
movq mm6,mask1
movq mm7,mask2
shr ebp,1
jz oddpart
xloop:
movq mm2,[esi]
movq mm0,mm5
movq mm1,[esi+edx]
pand mm0,mm2
psrlq mm1,1
movq mm2,[esi+edx*2]
psrlq mm2,2
pand mm1,mm6
psrlq mm0,2
pand mm2,mm7
paddb mm0,mm1
add esi,8
paddb mm0,mm2
dec ebp
movq [edi+esi-8],mm0
jne xloop
oddpart:
test byte ptr [esp+28],1
jz nooddpart
mov ecx,[esi]
mov eax,0fcfcfcfch
mov ebx,[esi+edx]
and eax,ecx
shr ebx,1
mov ecx,[esi+edx*2]
shr ecx,2
and ebx,07f7f7f7fh
shr eax,2
and ecx,03f3f3f3fh
add eax,ebx
add eax,ecx
mov [edi+esi],eax
nooddpart:
*/
pop ebx
pop esi
pop edi
pop ebp
ret
};
}
__declspec(align(16)) static BYTE const_1_16_bytes[] = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
static void asm_blend_row_SSE2(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
__asm
{
mov edx, srcpitch
mov esi, src
mov edi, dst
sub edi, esi
mov ecx, w
mov ebx, ecx
shr ecx, 4
and ebx, 15
movdqa xmm7, [const_1_16_bytes]
asm_blend_row_SSE2_loop:
movdqa xmm0, [esi]
movdqa xmm1, [esi+edx]
movdqa xmm2, [esi+edx*2]
pavgb xmm0, xmm1
pavgb xmm2, xmm1
psubusb xmm0, xmm7
pavgb xmm0, xmm2
movdqa [esi+edi], xmm0
add esi, 16
dec ecx
jnz asm_blend_row_SSE2_loop
test ebx,15
jz asm_blend_row_SSE2_end
mov ecx, ebx
xor ax, ax
xor bx, bx
xor dx, dx
asm_blend_row_SSE2_loop2:
mov al, [esi]
mov bl, [esi+edx]
mov dl, [esi+edx*2]
add ax, bx
inc ax
shr ax, 1
add dx, bx
inc dx
shr dx, 1
add ax, dx
shr ax, 1
mov [esi+edi], al
inc esi
dec ecx
jnz asm_blend_row_SSE2_loop2
asm_blend_row_SSE2_end:
}
}
static void asm_blend_row_clipped_SSE2(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch)
{
__asm
{
mov edx, srcpitch
mov esi, src
mov edi, dst
sub edi, esi
mov ecx, w
mov ebx, ecx
shr ecx, 4
and ebx, 15
movdqa xmm7, [const_1_16_bytes]
asm_blend_row_clipped_SSE2_loop:
movdqa xmm0, [esi]
movdqa xmm1, [esi+edx]
pavgb xmm0, xmm1
movdqa [esi+edi], xmm0
add esi, 16
dec ecx
jnz asm_blend_row_clipped_SSE2_loop
test ebx,15
jz asm_blend_row_clipped_SSE2_end
mov ecx, ebx
xor ax, ax
xor bx, bx
asm_blend_row_clipped_SSE2_loop2:
mov al, [esi]
mov bl, [esi+edx]
add ax, bx
inc ax
shr ax, 1
mov [esi+edi], al
inc esi
dec ecx
jnz asm_blend_row_clipped_SSE2_loop2
asm_blend_row_clipped_SSE2_end:
}
}
void DeinterlaceBlend(BYTE* dst, BYTE* src, DWORD rowbytes, DWORD h, DWORD dstpitch, DWORD srcpitch)
{
void (*asm_blend_row_clipped)(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch) = NULL;
void (*asm_blend_row)(BYTE* dst, BYTE* src, DWORD w, DWORD srcpitch) = NULL;
if((g_cpuid.m_flags & CCpuID::sse2) && !((DWORD)src&0xf) && !((DWORD)dst&0xf) && !(srcpitch&0xf))
{
asm_blend_row_clipped = asm_blend_row_clipped_SSE2;
asm_blend_row = asm_blend_row_SSE2;
}
else if(g_cpuid.m_flags & CCpuID::mmx)
{
asm_blend_row_clipped = asm_blend_row_clipped_MMX;
asm_blend_row = asm_blend_row_MMX;
}
else
{
asm_blend_row_clipped = asm_blend_row_clipped_c;
asm_blend_row = asm_blend_row_c;
}
if(!asm_blend_row_clipped)
return;
asm_blend_row_clipped(dst, src, rowbytes, srcpitch);
if((h -= 2) > 0) do
{
dst += dstpitch;
asm_blend_row(dst, src, rowbytes, srcpitch);
src += srcpitch;
}
while(--h);
asm_blend_row_clipped(dst + dstpitch, src, rowbytes, srcpitch);
if(g_cpuid.m_flags & CCpuID::mmx)
__asm emms
}
void DeinterlaceBob(BYTE* dst, BYTE* src, DWORD rowbytes, DWORD h, DWORD dstpitch, DWORD srcpitch, bool topfield)
{
if(topfield)
{
BitBltFromRGBToRGB(rowbytes, h/2, dst, dstpitch*2, 8, src, srcpitch*2, 8);
AvgLines8(dst, h, dstpitch);
}
else
{
BitBltFromRGBToRGB(rowbytes, h/2, dst + dstpitch, dstpitch*2, 8, src + srcpitch, srcpitch*2, 8);
AvgLines8(dst + dstpitch, h-1, dstpitch);
}
}
void AvgLines8(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
BYTE* tmp = s;
if((g_cpuid.m_flags & CCpuID::sse2) && !((DWORD)tmp&0xf) && !((DWORD)pitch&0xf))
{
__asm
{
mov esi, tmp
mov ebx, pitch
mov ecx, ebx
shr ecx, 4
AvgLines8_sse2_loop:
movdqa xmm0, [esi]
pavgb xmm0, [esi+ebx*2]
movdqa [esi+ebx], xmm0
add esi, 16
dec ecx
jnz AvgLines8_sse2_loop
mov tmp, esi
}
for(ptrdiff_t i = pitch&7; i--; tmp++)
{
tmp[pitch] = (tmp[0] + tmp[pitch<<1] + 1) >> 1;
}
}
else if(g_cpuid.m_flags & CCpuID::mmx)
{
__asm
{
mov esi, tmp
mov ebx, pitch
mov ecx, ebx
shr ecx, 3
pxor mm7, mm7
AvgLines8_mmx_loop:
movq mm0, [esi]
movq mm1, mm0
punpcklbw mm0, mm7
punpckhbw mm1, mm7
movq mm2, [esi+ebx*2]
movq mm3, mm2
punpcklbw mm2, mm7
punpckhbw mm3, mm7
paddw mm0, mm2
psrlw mm0, 1
paddw mm1, mm3
psrlw mm1, 1
packuswb mm0, mm1
movq [esi+ebx], mm0
lea esi, [esi+8]
dec ecx
jnz AvgLines8_mmx_loop
mov tmp, esi
}
for(ptrdiff_t i = pitch&7; i--; tmp++)
{
tmp[pitch] = (tmp[0] + tmp[pitch<<1] + 1) >> 1;
}
}
else
{
for(ptrdiff_t i = pitch; i--; tmp++)
{
tmp[pitch] = (tmp[0] + tmp[pitch<<1] + 1) >> 1;
}
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy_accel(dst + pitch, dst, pitch);
}
__asm emms;
}
void AvgLines555(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
unsigned __int64 __0x7c007c007c007c00 = 0x7c007c007c007c00;
unsigned __int64 __0x03e003e003e003e0 = 0x03e003e003e003e0;
unsigned __int64 __0x001f001f001f001f = 0x001f001f001f001f;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
BYTE* tmp = s;
__asm
{
mov esi, tmp
mov ebx, pitch
mov ecx, ebx
shr ecx, 3
movq mm6, __0x03e003e003e003e0
movq mm7, __0x001f001f001f001f
AvgLines555_loop:
movq mm0, [esi]
movq mm1, mm0
movq mm2, mm0
psrlw mm0, 10 // red1 bits: mm0 = 001f001f001f001f
pand mm1, mm6 // green1 bits: mm1 = 03e003e003e003e0
pand mm2, mm7 // blue1 bits: mm2 = 001f001f001f001f
movq mm3, [esi+ebx*2]
movq mm4, mm3
movq mm5, mm3
psrlw mm3, 10 // red2 bits: mm3 = 001f001f001f001f
pand mm4, mm6 // green2 bits: mm4 = 03e003e003e003e0
pand mm5, mm7 // blue2 bits: mm5 = 001f001f001f001f
paddw mm0, mm3
psrlw mm0, 1 // (red1+red2)/2
psllw mm0, 10 // red bits at 7c007c007c007c00
paddw mm1, mm4
psrlw mm1, 1 // (green1+green2)/2
pand mm1, mm6 // green bits at 03e003e003e003e0
paddw mm2, mm5
psrlw mm2, 1 // (blue1+blue2)/2
// blue bits at 001f001f001f001f (no need to pand, lower bits were discareded)
por mm0, mm1
por mm0, mm2
movq [esi+ebx], mm0
lea esi, [esi+8]
dec ecx
jnz AvgLines555_loop
mov tmp, esi
}
for(ptrdiff_t i = (pitch&7)>>1; i--; tmp++)
{
tmp[pitch] =
((((*tmp&0x7c00) + (tmp[pitch<<1]&0x7c00)) >> 1)&0x7c00)|
((((*tmp&0x03e0) + (tmp[pitch<<1]&0x03e0)) >> 1)&0x03e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy_accel(dst + pitch, dst, pitch);
}
__asm emms;
}
void AvgLines565(BYTE* dst, DWORD h, DWORD pitch)
{
if(h <= 1) return;
unsigned __int64 __0xf800f800f800f800 = 0xf800f800f800f800;
unsigned __int64 __0x07e007e007e007e0 = 0x07e007e007e007e0;
unsigned __int64 __0x001f001f001f001f = 0x001f001f001f001f;
BYTE* s = dst;
BYTE* d = dst + (h-2)*pitch;
for(; s < d; s += pitch*2)
{
WORD* tmp = (WORD*)s;
__asm
{
mov esi, tmp
mov ebx, pitch
mov ecx, ebx
shr ecx, 3
movq mm6, __0x07e007e007e007e0
movq mm7, __0x001f001f001f001f
AvgLines565_loop:
movq mm0, [esi]
movq mm1, mm0
movq mm2, mm0
psrlw mm0, 11 // red1 bits: mm0 = 001f001f001f001f
pand mm1, mm6 // green1 bits: mm1 = 07e007e007e007e0
pand mm2, mm7 // blue1 bits: mm2 = 001f001f001f001f
movq mm3, [esi+ebx*2]
movq mm4, mm3
movq mm5, mm3
psrlw mm3, 11 // red2 bits: mm3 = 001f001f001f001f
pand mm4, mm6 // green2 bits: mm4 = 07e007e007e007e0
pand mm5, mm7 // blue2 bits: mm5 = 001f001f001f001f
paddw mm0, mm3
psrlw mm0, 1 // (red1+red2)/2
psllw mm0, 11 // red bits at f800f800f800f800
paddw mm1, mm4
psrlw mm1, 1 // (green1+green2)/2
pand mm1, mm6 // green bits at 03e003e003e003e0
paddw mm2, mm5
psrlw mm2, 1 // (blue1+blue2)/2
// blue bits at 001f001f001f001f (no need to pand, lower bits were discareded)
por mm0, mm1
por mm0, mm2
movq [esi+ebx], mm0
lea esi, [esi+8]
dec ecx
jnz AvgLines565_loop
mov tmp, esi
}
for(ptrdiff_t i = (pitch&7)>>1; i--; tmp++)
{
tmp[pitch] =
((((*tmp&0xf800) + (tmp[pitch<<1]&0xf800)) >> 1)&0xf800)|
((((*tmp&0x07e0) + (tmp[pitch<<1]&0x07e0)) >> 1)&0x07e0)|
((((*tmp&0x001f) + (tmp[pitch<<1]&0x001f)) >> 1)&0x001f);
}
}
if(!(h&1) && h >= 2)
{
dst += (h-2)*pitch;
memcpy_accel(dst + pitch, dst, pitch);
}
__asm emms;
}
extern "C" void mmx_YUY2toRGB24(const BYTE* src, BYTE* dst, const BYTE* src_end, int src_pitch, int row_size, bool rec709);
extern "C" void mmx_YUY2toRGB32(const BYTE* src, BYTE* dst, const BYTE* src_end, int src_pitch, int row_size, bool rec709);
bool BitBltFromYUY2ToRGB(int w, int h, BYTE* dst, int dstpitch, int dbpp, BYTE* src, int srcpitch)
{
void (* YUY2toRGB)(const BYTE* src, BYTE* dst, const BYTE* src_end, int src_pitch, int row_size, bool rec709) = NULL;
if(g_cpuid.m_flags & CCpuID::mmx)
{
YUY2toRGB =
dbpp == 32 ? mmx_YUY2toRGB32 :
dbpp == 24 ? mmx_YUY2toRGB24 :
// dbpp == 16 ? mmx_YUY2toRGB16 : // TODO
NULL;
}
else
{
// TODO
}
if(!YUY2toRGB) return(false);
YUY2toRGB(src, dst, src + h*srcpitch, srcpitch, w, false);
return(true);
}
#endif //_WIN64
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