mirror of
https://github.com/mpv-player/mpv
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584fe5daf2
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26062 b3059339-0415-0410-9bf9-f77b7e298cf2
72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
/******************************************************************************
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* dhahelper.c: direct hardware access under Windows NT/2000/XP
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* Copyright (c) 2004 Sascha Sommer <saschasommer@freenet.de>.
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MPlayer; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#ifndef MPLAYER_DHAHELPER_H
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#define MPLAYER_DHAHELPER_H
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// Define the various device type values. Note that values used by Microsoft
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// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
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// by customers.
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#define FILE_DEVICE_DHAHELPER 0x00008011
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// Macro definition for defining IOCTL and FSCTL function control codes.
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// Note that function codes 0-2047 are reserved for Microsoft Corporation,
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// and 2048-4095 are reserved for customers.
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#define DHAHELPER_IOCTL_INDEX 0x810
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#define IOCTL_DHAHELPER_MAPPHYSTOLIN CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_UNMAPPHYSADDR CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 1, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_ENABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 2, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_DISABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 3, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#if !defined(__MINGW32__) && !defined(__CYGWIN__)
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#pragma pack(1)
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typedef struct dhahelper_t {
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#else
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struct __attribute__((__packed__)) dhahelper_t {
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#endif
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unsigned int size;
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void* base;
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void* ptr;
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};
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typedef struct dhahelper_t dhahelper_t;
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#endif /* MPLAYER_DHAHELPER_H */
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