[svn] / trunk / xvidcore / src / image / x86_asm / yv12_to_yuyv_mmx.asm Repository:
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Diff of /trunk/xvidcore/src/image/x86_asm/yv12_to_yuyv_mmx.asm

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revision 434, Fri Sep 6 17:48:58 2002 UTC revision 851, Sat Feb 15 15:22:19 2003 UTC
# Line 1  Line 1 
1  ;/*****************************************************************************  ;/**************************************************************************
2  ; *  ; *
3  ; *  XVID MPEG-4 VIDEO CODEC  ; *  XVID MPEG-4 VIDEO CODEC
4  ; *      mmx yuv planar to yuyv/uyvy conversion  ; *     mmx yuv planar to yuyv/uyvy
 ; *  
 ; *  Copyright(C) 2002 Peter Ross <pross@xvid.org>  
 ; *  
 ; *  This program is an implementation of a part of one or more MPEG-4  
 ; *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending  
 ; *  to use this software module in hardware or software products are  
 ; *  advised that its use may infringe existing patents or copyrights, and  
 ; *  any such use would be at such party's own risk.  The original  
 ; *  developer of this software module and his/her company, and subsequent  
 ; *  editors and their companies, will have no liability for use of this  
 ; *  software or modifications or derivatives thereof.  
5  ; *  ; *
6  ; *  This program is free software; you can redistribute it and/or modify  ; *  This program is free software; you can redistribute it and/or modify
7  ; *  it under the terms of the GNU General Public License as published by  ; *  it under the terms of the GNU General Public License as published by
# Line 26  Line 15 
15  ; *  ; *
16  ; *  You should have received a copy of the GNU General Public License  ; *  You should have received a copy of the GNU General Public License
17  ; *  along with this program; if not, write to the Free Software  ; *  along with this program; if not, write to the Free Software
18  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  ; *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19    ; *
20    ; *************************************************************************/
21    
22    ;/**************************************************************************
23  ; *  ; *
24  ; ****************************************************************************/  ; *     History:
25    ; *
26    ; *     05.12.2001      initial version; (c)2001 peter ross <pross@cs.rmit.edu.au>
27    ; *
28    ; *************************************************************************/
29    
30    
31  bits 32  bits 32
32    
# Line 83  Line 81 
81                  mov ebx, [esp + 20 + 32]        ; width                  mov ebx, [esp + 20 + 32]        ; width
82                  mov eax, [esp + 20 + 8]         ; dst_stride                  mov eax, [esp + 20 + 8]         ; dst_stride
83                  sub eax, ebx                            ;                  sub eax, ebx                            ;
84                  add eax, eax                            ; eax = 2*(dst_stride - width)                  sub eax, ebx                            ; eax = dst_stride - (2 * width)
85                  push eax                                        ; [esp + 4] = dst_dif                  push eax                                        ; [esp + 4] = dst_dif
86                                                  ; STACK BASE = 24                                                  ; STACK BASE = 24
87    
# Line 226  Line 224 
224                  mov ebx, [esp + 20 + 32]        ; width                  mov ebx, [esp + 20 + 32]        ; width
225                  mov eax, [esp + 20 + 8]         ; dst_stride                  mov eax, [esp + 20 + 8]         ; dst_stride
226                  sub eax, ebx                            ;                  sub eax, ebx                            ;
227                  add eax, eax                            ; eax = 2*(dst_stride - width)                  sub eax, ebx                            ; eax = dst_stride - (2 * width)
228                  push eax                                        ; [esp + 4] = dst_dif                  push eax                                        ; [esp + 4] = dst_dif
229                                                  ; STACK BASE = 24                                                  ; STACK BASE = 24
230    
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