1 /*****************************************************************************
2  *
3  *  XVID MPEG-4 VIDEO CODEC
4  *  - emms related header -
5  *
6  *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>
7  *
8  *  This program is free software ; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation ; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program ; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  * $Id: emms.h 1985 2011-05-18 09:02:35Z Isibaar $
23  *
24  ****************************************************************************/
25 
26 #ifndef _EMMS_H_
27 #define _EMMS_H_
28 
29 /*****************************************************************************
30  * emms API
31  ****************************************************************************/
32 
33 typedef void (emmsFunc) ();
34 
35 typedef emmsFunc *emmsFuncPtr;
36 
37 /* Our global function pointer - defined in emms.c */
38 extern emmsFuncPtr emms;
39 
40 /* Implemented functions */
41 
42 emmsFunc emms_c;
43 
44 #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
45 emmsFunc emms_mmx;
46 emmsFunc emms_3dn;
47 #endif
48 
49 /*****************************************************************************
50  * Prototypes
51  ****************************************************************************/
52 
53 #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
54 /* cpu_flag detection helper functions */
55 extern int check_cpu_features(void);
56 extern void sse_os_trigger(void);
57 extern void sse2_os_trigger(void);
58 #endif
59 
60 #if defined(ARCH_IS_X86_64) && defined(WIN32)
61 extern void prime_xmm(void *);
62 extern void get_xmm(void *);
63 #endif
64 
65 #ifdef ARCH_IS_PPC
66 extern void altivec_trigger(void);
67 #endif
68 
69 #endif
70