diff options
| author | XhmikosR <xhmikosr@users.sourceforge.net> | 2010-07-10 16:26:52 +0400 |
|---|---|---|
| committer | XhmikosR <xhmikosr@users.sourceforge.net> | 2010-07-10 16:26:52 +0400 |
| commit | 34a277661cf90b26107cce9fd46cf08b30fe6478 (patch) | |
| tree | b88c4901d2673989ab615947a2ba8173147b8b63 /src/filters/transform/VSFilter/AvgLines.cpp | |
| parent | 9da4064ac2e01b42480d20d0a6a43e3d5f801a5a (diff) | |
renamed all lowercase filenames to mixedcase
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@2114 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/VSFilter/AvgLines.cpp')
| -rw-r--r-- | src/filters/transform/VSFilter/AvgLines.cpp | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/src/filters/transform/VSFilter/AvgLines.cpp b/src/filters/transform/VSFilter/AvgLines.cpp new file mode 100644 index 000000000..19e80a305 --- /dev/null +++ b/src/filters/transform/VSFilter/AvgLines.cpp @@ -0,0 +1,315 @@ +// 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.
+
+#include "stdafx.h"
+
+
+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;
+
+#ifndef _WIN64
+ 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
+#endif
+ {
+ 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);
+ }
+
+#ifndef _WIN64
+ __asm emms;
+#endif
+}
+
+void AvgLines555(BYTE* dst, DWORD h, DWORD pitch)
+{
+ if(h <= 1)
+ return;
+
+ 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;
+
+#ifndef _WIN64
+ __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
+ }
+#endif
+
+ 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);
+ }
+
+#ifndef _WIN64
+ __asm emms;
+#endif
+}
+
+void AvgLines565(BYTE* dst, DWORD h, DWORD pitch)
+{
+ if(h <= 1)
+ return;
+
+ 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;
+
+#ifndef _WIN64
+ __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
+ }
+#else
+ 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);
+ }
+#endif
+
+ 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);
+ }
+
+#ifndef _WIN64
+ __asm emms;
+#endif
+}
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