/***************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - emms C wrapper - * * Copyright(C) 2002 Michael Militzer * * 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: emms.c,v 1.7 2002/11/17 00:51:10 edgomez Exp $ * ****************************************************************************/ #include "emms.h" #include "../portab.h" /***************************************************************************** * Library data, declared here ****************************************************************************/ emmsFuncPtr emms; /***************************************************************************** * emms functions * * emms functions are used to restored the fpu context after mmx operations * because mmx and fpu share their registers/context (??? need to be confirmed) * ****************************************************************************/ /* The no op wrapper for non MMX platforms */ void emms_c() { } /* The real mmx emms wrapper */ void emms_mmx() { /* the EMMS macro is defined according to the compiler in portab.h */ EMMS(); }