2 Copyright (C) 2004-2008 Grame
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "JackSystemDeps.h"
26 #include "JackCompilerDeps.h"
36 typedef enum _AVRT_PRIORITY
{
37 AVRT_PRIORITY_LOW
= -1,
38 AVRT_PRIORITY_NORMAL
, /* 0 */
39 AVRT_PRIORITY_HIGH
, /* 1 */
40 AVRT_PRIORITY_CRITICAL
/* 2 */
41 } AVRT_PRIORITY
, *PAVRT_PRIORITY
;
43 #define BASE_REALTIME_PRIORITY 90
45 typedef HANDLE (WINAPI
*avSetMmThreadCharacteristics
)(LPCTSTR
, LPDWORD
);
46 typedef BOOL (WINAPI
*avRevertMmThreadCharacteristics
)(HANDLE
);
47 typedef BOOL (WINAPI
*avSetMmThreadPriority
)(HANDLE
, AVRT_PRIORITY
);
50 \brief MMCSS services.
53 class SERVER_EXPORT JackMMCSS
58 static JACK_HANDLE fAvrtDll
;
59 static avSetMmThreadCharacteristics ffMMCSSFun1
;
60 static avSetMmThreadPriority ffMMCSSFun2
;
61 static avRevertMmThreadCharacteristics ffMMCSSFun3
;
62 static std::map
<jack_native_thread_t
, HANDLE
> fHandleTable
;
69 static int MMCSSAcquireRealTime(jack_native_thread_t thread
, int priority
);
70 static int MMCSSDropRealTime(jack_native_thread_t thread
);