;/**************************************************************************; *; *  XVID MPEG-4 VIDEO CODEC; *  mmx cbp calc; *; *  This file is part of XviD, a free MPEG-4 video encoder/decoder; *; *  XviD 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; *; *  Under section 8 of the GNU General Public License, the copyright; *  holders of XVID explicitly forbid distribution in the following; *  countries:; *; *    - Japan; *    - United States of America; *; *  Linking XviD statically or dynamically with other modules is making a; *  combined work based on XviD.  Thus, the terms and conditions of the; *  GNU General Public License cover the whole combination.; *; *  As a special exception, the copyright holders of XviD give you; *  permission to link XviD with independent modules that communicate with; *  XviD solely through the VFW1.1 and DShow interfaces, 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 XviD (the version of XviD 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 XviD.; *; *  Note that people who make modified versions of XviD are not obligated; *  to grant this special exception for their modified versions; it is; *  their choice whether to do so.  The GNU General Public License gives; *  permission to release a modified version without this exception; this; *  exception also makes it possible to release a modified version which; *  carries forward this exception.; *; * $Id: cbp_mmx.asm,v 1.7 2002/11/17 00:57:57 edgomez Exp $; *; *************************************************************************/bits 32section .data%macro cglobal 1	%ifdef PREFIX		global _%1		%define %1 _%1	%else		global %1	%endif%endmacroalign 16ignore_dc	dw		0, -1, -1, -1, -1, -1, -1, -1section .textcglobal calc_cbp_mmx;===========================================================================;; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]);;;===========================================================================align 16calc_cbp_mmx:  push	ebx  push	esi  mov       esi, [esp + 8 + 4]	; coeff  xor		eax, eax			; cbp = 0  mov		edx, (1 << 5)  movq		mm7, [ignore_dc].loop  movq		mm0, [esi]  movq		mm1, [esi+8]  pand		mm0, mm7  por     	mm0, [esi+16]  por     	mm1, [esi+24]  por     	mm0, [esi+32]  por     	mm1, [esi+40]  por     	mm0, [esi+48]  por     	mm1, [esi+56]  por     	mm0, [esi+64]  por     	mm1, [esi+72]  por     	mm0, [esi+80]  por     	mm1, [esi+88]  por     	mm0, [esi+96]  por     	mm1, [esi+104]  por     	mm0, [esi+112]  por     	mm1, [esi+120]  por     	mm0, mm1  movq    	mm1, mm0  psrlq   	mm1, 32  lea		esi, [esi + 128]  por     	mm0, mm1  movd		ebx, mm0  test 		ebx, ebx  jz		.next  or 		eax, edx     ; cbp |= 1 << (5-i).next  shr 		edx,1  jnc		.loop  pop		esi  pop		ebx				  ret