colorspace_yuyv_mmx.asm

wince下的xvidcore开发库,可用于MP4等视频播放开发

 ;/****************************************************************************
 ; *
 ; *  XVID MPEG-4 VIDEO CODEC
 ; *  - MMX and XMM YUYV<->YV12 conversion -
 ; *
 ; *  Copyright(C) 2002 Peter Ross <[e-mail]>
 ; *
 ; *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 ; *
 ; * $Id: colorspace_yuyv_mmx.asm,v 1.1 2005/07/21 09:08:26 klschoef Exp $
 ; *
 ; ***************************************************************************/
 
 BITS 32
 
 %macro cglobal 1
         %ifdef PREFIX
                 global _%1
                 %define %1 _%1
         %else
                 global %1
         %endif
 %endmacro
 
 ;=============================================================================
 ; Read only data
 ;=============================================================================
 
 %ifdef FORMAT_COFF
 SECTION .rodata data
 %else
 SECTION .rodata data align=16
 %endif
 
 ;-----------------------------------------------------------------------------
 ; yuyv/uyvy mask for extracting yuv components
 ;-----------------------------------------------------------------------------
 ;                               y     u     y     v     y     u     y     v
 
 ALIGN 16
 yuyv_mask:      db 0xff,  0,  0xff,   0,   0xff,  0,   0xff,  0
 mmx_one:    dw 1, 1, 1, 1
 
 ;=============================================================================
 ; helper macros used with colorspace_mmx.inc
 ;=============================================================================
 
 ;-----------------------------------------------------------------------------
 ; YUYV_TO_YV12( TYPE, PAVG )
 ;
 ; TYPE  0=yuyv, 1=uyvy
 ; PAVG  0=mmx, pavgusb=3dnow, pavgb=xmm
 ;
 ; bytes=2, pixels = 8, vpixels=2
 ;-----------------------------------------------------------------------------
 
 %macro YUYV_TO_YV12_INIT                2
   movq mm7, [yuyv_mask]
 %endmacro
 
 
 %macro YUYV_TO_YV12             2
   movq mm0, [edi]               ; x_ptr[0]
   movq mm1, [edi + 8]           ; x_ptr[8]
   movq mm2, [edi + edx]         ; x_ptr[x_stride + 0]
   movq mm3, [edi + edx + 8]     ; x_ptr[x_stride + 8]
 
     ; average uv-components
 ;---[ plain mmx ]----------------------------------------------------
 %ifidn %2,0     ; if (%2 eq "0")
   movq mm4, mm0
   movq mm5, mm2
 %if %1 == 0         ; yuyv
   psrlw mm4, 8
   psrlw mm5, 8
 %endif
   pand mm4, mm7
   pand mm5, mm7
   paddw mm4, mm5
 
   movq mm5, mm1
   movq mm6, mm3
 %if %1 == 0         ; yuyv
   psrlw mm5, 8
   psrlw mm6, 8
 %endif
   pand mm5, mm7
   pand mm6, mm7
   paddw mm5, mm6
   paddw mm4, [mmx_one]      ; +1 rounding
   paddw mm5, [mmx_one]      ;
   psrlw mm4, 1
   psrlw mm5, 1
 ;---[ 3dnow/xmm ]----------------------------------------------------
 %else
   movq mm4, mm0
   movq mm5, mm1
   %2 mm4, mm2           ;pavgb/pavgusb mm4, mm2
   %2 mm5, mm3           ;pavgb/pavgusb mm5, mm3
 
   ;;movq mm6, mm0       ; 0 rounding
   ;;pxor mm6, mm2       ;
   ;;psubb mm4, mm6      ;
   ;;movq mm6, mm1       ;
   ;;pxor mm6, mm3       ;
   ;;psubb mm5, mm5      ;
 
 %if %1 == 0             ; yuyv
   psrlw mm4, 8
   psrlw mm5, 8
 %endif
   pand mm4, mm7
   pand mm5, mm7
 %endif
 ;--------------------------------------------------------------------
 
     ; write y-component
 %if %1 == 1         ; uyvy
   psrlw mm0, 8
   psrlw mm1, 8
   psrlw mm2, 8
   psrlw mm3, 8
 %endif
   pand mm0, mm7
   pand mm1, mm7
   pand mm2, mm7
   pand mm3, mm7
   packuswb mm0, mm1
   packuswb mm2, mm3
 
 %ifidn %2,pavgb         ; xmm
   movntq [esi], mm0
   movntq [esi+eax], mm2
 %else                   ; plain mmx,3dnow
   movq [esi], mm0
   movq [esi+eax], mm2
 %endif
 
     ; write uv-components
   packuswb mm4, mm5
   movq mm5, mm4
   psrlq mm4, 8
   pand mm5, mm7
   pand mm4, mm7
   packuswb mm5,mm5
   packuswb mm4,mm4
   movd [ebx],mm5
   movd [ecx],mm4
 %endmacro
 
 ;-----------------------------------------------------------------------------
 ; YV12_TO_YUYV( TYPE )
 ;
 ; TYPE  0=yuyv, 1=uyvy
 ;
 ; bytes=2, pixels = 8, vpixels=2
 ;-----------------------------------------------------------------------------
 
 %macro YV12_TO_YUYV_INIT        2
 %endmacro
 
 
 %macro YV12_TO_YUYV             2
   movd mm4, [ebx]               ; [    |uuuu]
   movd mm5, [ecx]               ; [    |vvvv]
   movq mm0, [esi]               ; [yyyy|yyyy] ; y row 0
   movq mm1, [esi+eax]           ; [yyyy|yyyy] ; y row 1
   punpcklbw mm4, mm5            ; [vuvu|vuvu] ; uv row 0
 
 %if %1 == 0     ; YUYV
   movq mm2, mm0
   movq mm3, mm1
   punpcklbw mm0, mm4            ; [vyuy|vyuy] ; y row 0 + 0
   punpckhbw mm2, mm4            ; [vyuy|vyuy] ; y row 0 + 8
   punpcklbw mm1, mm4            ; [vyuy|vyuy] ; y row 1 + 0
   punpckhbw mm3, mm4            ; [vyuy|vyuy] ; y row 1 + 8
   movq [edi], mm0
   movq [edi+8], mm2
   movq [edi+edx], mm1
   movq [edi+edx+8], mm3
 %else           ; UYVY
   movq mm5, mm4
   movq mm6, mm4
   movq mm7, mm4
   punpcklbw mm4, mm0            ; [yvyu|yvyu]   ; y row 0 + 0
   punpckhbw mm5, mm0            ; [yvyu|yvyu]   ; y row 0 + 8
   punpcklbw mm6, mm1            ; [yvyu|yvyu]   ; y row 1 + 0
   punpckhbw mm7, mm1            ; [yvyu|yvyu]   ; y row 1 + 8
   movq [edi], mm4
   movq [edi+8], mm5
   movq [edi+edx], mm6
   movq [edi+edx+8], mm7
 %endif
 %endmacro
 
 ;------------------------------------------------------------------------------
 ; YV12_TO_YUYVI( TYPE )
 ;
 ; TYPE  0=yuyv, 1=uyvy
 ;
 ; bytes=2, pixels = 8, vpixels=4
 ;------------------------------------------------------------------------------
 
 %macro YV12_TO_YUYVI_INIT       2
 %endmacro
 
 %macro YV12_TO_YUYVI                2
   xchg ebp, [uv_stride]
   movd mm0, [ebx]               ; [    |uuuu]
   movd mm1, [ebx+ebp]           ; [    |uuuu]
   punpcklbw mm0, [ecx]          ; [vuvu|vuvu] ; uv row 0
   punpcklbw mm1, [ecx+ebp]      ; [vuvu|vuvu] ; uv row 1
   xchg ebp, [uv_stride]
 
 %if %1 == 0     ; YUYV
   movq mm4, [esi]               ; [yyyy|yyyy] ; y row 0
   movq mm6, [esi+eax]           ; [yyyy|yyyy] ; y row 1
   movq mm5, mm4
   movq mm7, mm6
   punpcklbw mm4, mm0            ; [yuyv|yuyv] ; y row 0 + 0
   punpckhbw mm5, mm0            ; [yuyv|yuyv] ; y row 0 + 8
   punpcklbw mm6, mm1            ; [yuyv|yuyv] ; y row 1 + 0
   punpckhbw mm7, mm1            ; [yuyv|yuyv] ; y row 1 + 8
   movq [edi], mm4
   movq [edi+8], mm5
   movq [edi+edx], mm6
   movq [edi+edx+8], mm7
 
   push esi
   push edi
   add esi, eax
   add edi, edx
   movq mm4, [esi+eax]           ; [yyyy|yyyy] ; y row 2
   movq mm6, [esi+2*eax]         ; [yyyy|yyyy] ; y row 3
   movq mm5, mm4
   movq mm7, mm6
   punpcklbw mm4, mm0            ; [yuyv|yuyv] ; y row 2 + 0
   punpckhbw mm5, mm0            ; [yuyv|yuyv] ; y row 2 + 8
   punpcklbw mm6, mm1            ; [yuyv|yuyv] ; y row 3 + 0
   punpckhbw mm7, mm1            ; [yuyv|yuyv] ; y row 3 + 8
   movq [edi+edx], mm4
   movq [edi+edx+8], mm5
   movq [edi+2*edx], mm6
   movq [edi+2*edx+8], mm7
   pop edi
   pop esi
 %else           ; UYVY
   movq mm2, [esi]               ; [yyyy|yyyy] ; y row 0
   movq mm3, [esi+eax]           ; [yyyy|yyyy] ; y row 1
   movq mm4, mm0
   movq mm5, mm0
   movq mm6, mm1
   movq mm7, mm1
   punpcklbw mm4, mm2            ; [uyvy|uyvy] ; y row 0 + 0
   punpckhbw mm5, mm2            ; [uyvy|uyvy] ; y row 0 + 8
   punpcklbw mm6, mm3            ; [uyvy|uyvy] ; y row 1 + 0
   punpckhbw mm7, mm3            ; [uyvy|uyvy] ; y row 1 + 8
   movq [edi], mm4
   movq [edi+8], mm5
   movq [edi+edx], mm6
   movq [edi+edx+8], mm7
 
   push esi
   push edi
   add esi, eax
   add edi, edx
   movq mm2, [esi+eax]           ; [yyyy|yyyy] ; y row 2
   movq mm3, [esi+2*eax]         ; [yyyy|yyyy] ; y row 3
   movq mm4, mm0
   movq mm5, mm0
   movq mm6, mm1
   movq mm7, mm1
   punpcklbw mm4, mm2            ; [uyvy|uyvy] ; y row 2 + 0
   punpckhbw mm5, mm2            ; [uyvy|uyvy] ; y row 2 + 8
   punpcklbw mm6, mm3            ; [uyvy|uyvy] ; y row 3 + 0
   punpckhbw mm7, mm3            ; [uyvy|uyvy] ; y row 3 + 8
   movq [edi+edx], mm4
   movq [edi+edx+8], mm5
   movq [edi+2*edx], mm6
   movq [edi+2*edx+8], mm7
   pop edi
   pop esi
 %endif
 %endmacro
 
 ;=============================================================================
 ; Code
 ;=============================================================================
 
 SECTION .text
 
 %include "colorspace_mmx.inc"
 
 ; input
 
 MAKE_COLORSPACE  yuyv_to_yv12_mmx,0,    2,8,2,  YUYV_TO_YV12, 0, 0
 MAKE_COLORSPACE  yuyv_to_yv12_3dn,0,    2,8,2,  YUYV_TO_YV12, 0, pavgusb
 MAKE_COLORSPACE  yuyv_to_yv12_xmm,0,    2,8,2,  YUYV_TO_YV12, 0, pavgb
 
 MAKE_COLORSPACE  uyvy_to_yv12_mmx,0,    2,8,2,  YUYV_TO_YV12, 1, 0
 MAKE_COLORSPACE  uyvy_to_yv12_3dn,0,    2,8,2,  YUYV_TO_YV12, 1, pavgusb
 MAKE_COLORSPACE  uyvy_to_yv12_xmm,0,    2,8,2,  YUYV_TO_YV12, 1, pavgb
 
 ; output
 
 MAKE_COLORSPACE  yv12_to_yuyv_mmx,0,    2,8,2,  YV12_TO_YUYV, 0, -1
 MAKE_COLORSPACE  yv12_to_uyvy_mmx,0,    2,8,2,  YV12_TO_YUYV, 1, -1
 
 MAKE_COLORSPACE  yv12_to_yuyvi_mmx,0,   2,8,4,  YV12_TO_YUYVI, 0, -1
 MAKE_COLORSPACE  yv12_to_uyvyi_mmx,0,   2,8,4,  YV12_TO_YUYVI, 1, -1