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-; Avisynth v2.5. Copyright 2002 Ben Rudiak-Gould et al.
-; http://www.avisynth.org
-;
-; 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, or visit
-; http://www.gnu.org/copyleft/gpl.html .
-;
-; Linking Avisynth statically or dynamically with other modules is making a
-; combined work based on Avisynth. Thus, the terms and conditions of the GNU
-; General Public License cover the whole combination.
-;
-; As a special exception, the copyright holders of Avisynth give you
-; permission to link Avisynth with independent modules that communicate with
-; Avisynth solely through the interfaces defined in avisynth.h, regardless of the license
-; terms of these independent modules, and to copy and distribute the
-; resulting combined work under terms of your choice, provided that
-; every copy of the combined work is accompanied by a complete copy of
-; the source code of Avisynth (the version of Avisynth used to produce the
-; combined work), being distributed under the terms of the GNU General
-; Public License plus this exception. An independent module is a module
-; which is not derived from or based on Avisynth, such as 3rd-party filters,
-; import and export plugins, or graphical user interfaces.
-
- .586
- .mmx
- .model flat
-
-; alignment has to be 'page' so that I can use 'align 32' below
-
-_TEXT64 segment page public use32 'CODE'
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
- align 8
-
-yuv2rgb_constants_rec601:
-
-x0000_0000_0010_0010 dq 00000000000100010h ; 16
-x0080_0080_0080_0080 dq 00080008000800080h ; 128
-x00FF_00FF_00FF_00FF dq 000FF00FF00FF00FFh
-x00002000_00002000 dq 00000200000002000h ; 8192 = (0.5)<<14
-xFF000000_FF000000 dq 0FF000000FF000000h
-cy dq 000004A8500004A85h ; 19077 = (255./219.)<<14+0.5
-crv dq 03313000033130000h ; 13075 = ((1-0.299)*255./112.)<<13+0.5
-cgu_cgv dq 0E5FCF377E5FCF377h ; -6660, -3209 = ((K-1)*K/0.587*255./112.)<<13-0.5, K=(0.299, 0.114)
-cbu dq 00000408D0000408Dh ; 16525 = ((1-0.114)*255./112.)<<13+0.5
-
-yuv2rgb_constants_PC_601:
-
- dq 00000000000000000h ; 0
- dq 00080008000800080h ; 128
- dq 000FF00FF00FF00FFh
- dq 00000200000002000h ; 8192 = (0.5)<<14
- dq 0FF000000FF000000h
- dq 00000400000004000h ; 16384 = (1.)<<14+0.5
- dq 02D0B00002D0B0000h ; 11531 = ((1-0.299)*255./127.)<<13+0.5
- dq 0E90FF4F2E90FF4F2h ; -5873, -2830 = (((K-1)*K/0.587)*255./127.)<<13-0.5, K=(0.299, 0.114)
- dq 0000038ED000038EDh ; 14573 = ((1-0.114)*255./127.)<<13+0.5
-
-yuv2rgb_constants_rec709:
-
- dq 00000000000100010h ; 16
- dq 00080008000800080h ; 128
- dq 000FF00FF00FF00FFh
- dq 00000200000002000h ; 8192 = (0.5)<<14
- dq 0FF000000FF000000h
- dq 000004A8500004A85h ; 19077 = (255./219.)<<14+0.5
- dq 0395E0000395E0000h ; 14686 = ((1-0.2126)*255./112.)<<13+0.5
- dq 0EEF2F92DEEF2F92Dh ; -4366, -1747 = ((K-1)*K/0.7152*255./112.)<<13-0.5, K=(0.2126, 0.0722)
- dq 00000439900004399h ; 17305 = ((1-0.0722)*255./112.)<<13+0.5
-
-yuv2rgb_constants_PC_709:
-
- dq 00000000000000000h ; 0
- dq 00080008000800080h ; 128
- dq 000FF00FF00FF00FFh
- dq 00000200000002000h ; 8192 = (0.5)<<14
- dq 0FF000000FF000000h
- dq 00000400000004000h ; 16384 = (1.)<<14+0.5
- dq 03298000032980000h ; 12952 = ((1-0.2126)*255./127.)<<13+0.5
- dq 0F0F6F9FBF0F6F9FBh ; -3850, -1541 = (((K-1)*K/0.7152)*255./127.)<<13-0.5, K=(0.2126, 0.0722)
- dq 000003B9D00003B9Dh ; 15261 = ((1-0.0722)*255./127.)<<13+0.5
-
-ofs_x0000_0000_0010_0010 = 0
-ofs_x0080_0080_0080_0080 = 8
-ofs_x00FF_00FF_00FF_00FF = 16
-ofs_x00002000_00002000 = 24
-ofs_xFF000000_FF000000 = 32
-ofs_cy = 40
-ofs_crv = 48
-ofs_cgu_cgv = 56
-ofs_cbu = 64
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-GET_Y MACRO mma,uyvy
-IF &uyvy
- psrlw mma,8
-ELSE
- pand mma,[edx+ofs_x00FF_00FF_00FF_00FF]
-ENDIF
- ENDM
-
-GET_UV MACRO mma,uyvy
- GET_Y mma,1-uyvy
- ENDM
-
-YUV2RGB_INNER_LOOP MACRO uyvy,rgb32,no_next_pixel
-
-;; This YUV422->RGB conversion code uses only four MMX registers per
-;; source dword, so I convert two dwords in parallel. Lines corresponding
-;; to the "second pipe" are indented an extra space. There's almost no
-;; overlap, except at the end and in the three lines marked ***.
-;; revised 4july,2002 to properly set alpha in rgb32 to default "on" & other small memory optimizations
-
- movd mm0, DWORD PTR [esi] ; DWORD PTR for compatibility woth masm8
- movd mm5, DWORD PTR [esi+4]
- movq mm1,mm0
- GET_Y mm0,&uyvy ; mm0 = __________Y1__Y0
- movq mm4,mm5
- GET_UV mm1,&uyvy ; mm1 = __________V0__U0
- GET_Y mm4,&uyvy ; mm4 = __________Y3__Y2
- movq mm2,mm5 ; *** avoid reload from [esi+4]
- GET_UV mm5,&uyvy ; mm5 = __________V2__U2
- psubw mm0,[edx+ofs_x0000_0000_0010_0010] ; (Y-16)
- movd mm6, DWORD PTR [esi+8-4*(no_next_pixel)]
- GET_UV mm2,&uyvy ; mm2 = __________V2__U2
- psubw mm4,[edx+ofs_x0000_0000_0010_0010] ; (Y-16)
- paddw mm2,mm1 ; 2*UV1=UV0+UV2
- GET_UV mm6,&uyvy ; mm6 = __________V4__U4
- psubw mm1,[edx+ofs_x0080_0080_0080_0080] ; (UV-128)
- paddw mm6,mm5 ; 2*UV3=UV2+UV4
- psllq mm2,32
- psubw mm5,[edx+ofs_x0080_0080_0080_0080] ; (UV-128)
- punpcklwd mm0,mm2 ; mm0 = ______Y1______Y0
- psllq mm6,32
- pmaddwd mm0,[edx+ofs_cy] ; (Y-16)*(255./219.)<<14
- punpcklwd mm4,mm6
- paddw mm1,mm1 ; 2*UV0=UV0+UV0
- pmaddwd mm4,[edx+ofs_cy]
- paddw mm5,mm5 ; 2*UV2=UV2+UV2
- paddw mm1,mm2 ; mm1 = __V1__U1__V0__U0 * 2
- paddd mm0,[edx+ofs_x00002000_00002000] ; +=0.5<<14
- paddw mm5,mm6 ; mm5 = __V3__U3__V2__U2 * 2
- movq mm2,mm1
- paddd mm4,[edx+ofs_x00002000_00002000] ; +=0.5<<14
- movq mm3,mm1
- movq mm6,mm5
- pmaddwd mm1,[edx+ofs_crv]
- movq mm7,mm5
- paddd mm1,mm0
- pmaddwd mm5,[edx+ofs_crv]
- psrad mm1,14 ; mm1 = RRRRRRRRrrrrrrrr
- paddd mm5,mm4
- pmaddwd mm2,[edx+ofs_cgu_cgv]
- psrad mm5,14
- paddd mm2,mm0
- pmaddwd mm6,[edx+ofs_cgu_cgv]
- psrad mm2,14 ; mm2 = GGGGGGGGgggggggg
- paddd mm6,mm4
- pmaddwd mm3,[edx+ofs_cbu]
- psrad mm6,14
- paddd mm3,mm0
- pmaddwd mm7,[edx+ofs_cbu]
- add esi,8
- add edi,12+4*rgb32
-IFE &no_next_pixel
- cmp esi,ecx
-ENDIF
- psrad mm3,14 ; mm3 = BBBBBBBBbbbbbbbb
- paddd mm7,mm4
- pxor mm0,mm0
- psrad mm7,14
- packssdw mm3,mm2 ; mm3 = GGGGggggBBBBbbbb
- packssdw mm7,mm6
- packssdw mm1,mm0 ; mm1 = ________RRRRrrrr
- packssdw mm5,mm0 ; *** avoid pxor mm4,mm4
- movq mm2,mm3
- movq mm6,mm7
- punpcklwd mm2,mm1 ; mm2 = RRRRBBBBrrrrbbbb
- punpcklwd mm6,mm5
- punpckhwd mm3,mm1 ; mm3 = ____GGGG____gggg
- punpckhwd mm7,mm5
- movq mm0,mm2
- movq mm4,mm6
- punpcklwd mm0,mm3 ; mm0 = ____rrrrggggbbbb
- punpcklwd mm4,mm7
-IFE &rgb32
- psllq mm0,16
- psllq mm4,16
-ENDIF
- punpckhwd mm2,mm3 ; mm2 = ____RRRRGGGGBBBB
- punpckhwd mm6,mm7
- packuswb mm0,mm2 ; mm0 = __RRGGBB__rrggbb <- ta dah!
- packuswb mm4,mm6
-
-IF &rgb32
- por mm0, [edx+ofs_xFF000000_FF000000] ; set alpha channels "on"
- por mm4, [edx+ofs_xFF000000_FF000000]
- movq [edi-16],mm0 ; store the quadwords independently
- movq [edi-8],mm4
-ELSE
- psrlq mm0,8 ; pack the two quadwords into 12 bytes
- psllq mm4,8 ; (note: the two shifts above leave
- movd DWORD PTR [edi-12],mm0 ; mm0,4 = __RRGGBBrrggbb__)
- psrlq mm0,32
- por mm4,mm0
- movd DWORD PTR [edi-8],mm4
- psrlq mm4,32
- movd DWORD PTR [edi-4],mm4
-ENDIF
-
- ENDM
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-YUV2RGB_PROC MACRO procname,uyvy,rgb32
-
- PUBLIC C _&procname
-
-;;void __cdecl procname(
-;; [esp+ 4] const BYTE* src,
-;; [esp+ 8] BYTE* dst,
-;; [esp+12] const BYTE* src_end,
-;; [esp+16] int src_pitch,
-;; [esp+20] int row_size,
-;; [esp+24] rec709 matrix); 0=rec601, 1=rec709, 3=PC_601, 7=PC_709
-
-_&procname PROC
-
- push esi
- push edi
- push ebx
-
- mov eax,[esp+16+12] ; src_pitch
- mov esi,[esp+12+12] ; src_end - read source bottom-up
- mov edi,[esp+8+12] ; dstp
- mov ebx,[esp+20+12] ; row_size
- mov edx,offset yuv2rgb_constants_rec601
- test byte ptr [esp+24+12],1
- jz loop0
- mov edx,offset yuv2rgb_constants_rec709
-
- test byte ptr [esp+24+12],2
- jz loop0
- mov edx,offset yuv2rgb_constants_PC_601
-
- test byte ptr [esp+24+12],4
- jz loop0
- mov edx,offset yuv2rgb_constants_PC_709
-
-loop0:
- sub esi,eax
- lea ecx,[esi+ebx-8]
-
- align 32
-loop1:
- YUV2RGB_INNER_LOOP uyvy,rgb32,0
- jb loop1
-
- YUV2RGB_INNER_LOOP uyvy,rgb32,1
-
- sub esi,ebx
- cmp esi,[esp+4+12] ; src
- ja loop0
-
- emms
- pop ebx
- pop edi
- pop esi
- retn
-
-_&procname ENDP
-
- ENDM
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-YUV2RGB_PROC mmx_YUY2toRGB24,0,0
-YUV2RGB_PROC mmx_YUY2toRGB32,0,1
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
- END
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-05 21:17:36 +0300