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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
// - sse2 yv12 to yuy2 conversion by Haali
// (- vd.cpp/h should be renamed to something more sensible already :)
#include "stdafx.h"
#include "vd_asm.h"
#pragma warning(disable : 4799) // no emms... blahblahblah
#ifndef _WIN64
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
};
}
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:
}
}
#endif
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