--- emms.h	2002/03/08 02:44:58	1.1
+++ emms.h	2004/04/05 20:36:37	1.15
@@ -1,9 +1,64 @@
-int check_cpu_features(void);
+/*****************************************************************************
+ *
+ *  XVID MPEG-4 VIDEO CODEC
+ *  - emms related header -
+ *
+ *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ * $Id: emms.h,v 1.15 2004/04/05 20:36:37 edgomez Exp $
+ *
+ ****************************************************************************/
 
-typedef void (emmsFunc)();
-typedef emmsFunc* emmsFuncPtr;	
+#ifndef _EMMS_H_
+#define _EMMS_H_
 
+/*****************************************************************************
+ * emms API
+ ****************************************************************************/
+
+typedef void (emmsFunc) ();
+
+typedef emmsFunc *emmsFuncPtr;
+
+/* Our global function pointer - defined in emms.c */
 extern emmsFuncPtr emms;
 
+/* Implemented functions */
+
 emmsFunc emms_c;
+
+#ifdef ARCH_IS_IA32
 emmsFunc emms_mmx;
+emmsFunc emms_3dn;
+#endif
+
+/*****************************************************************************
+ * Prototypes
+ ****************************************************************************/
+
+#ifdef ARCH_IS_IA32
+/* cpu_flag detection helper functions */
+extern int check_cpu_features(void);
+extern void sse_os_trigger(void);
+extern void sse2_os_trigger(void);
+#endif
+
+#ifdef ARCH_IS_PPC
+extern void altivec_trigger(void);
+#endif
+
+#endif