dosbox-wii/src/dos/cdrom_ioctl_win32.cpp
2009-05-02 22:28:34 +00:00

290 lines
7.8 KiB
C++

/*
* Copyright (C) 2002-2007 The DOSBox Team
*
* 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: cdrom_ioctl_win32.cpp,v 1.14 2007/01/08 19:45:39 qbix79 Exp $ */
#if defined (WIN32)
// *****************************************************************
// Windows IOCTL functions (not suitable for 95/98/Me)
// *****************************************************************
#include <windows.h>
#include <io.h>
#if defined (_MSC_VER)
#include <ntddcdrm.h> // Ioctl stuff
#include <winioctl.h> // Ioctl stuff
#else
#include "ddk/ntddcdrm.h" // Ioctl stuff
#endif
#include "cdrom.h"
CDROM_Interface_Ioctl::CDROM_Interface_Ioctl()
{
pathname[0] = 0;
hIOCTL = INVALID_HANDLE_VALUE;
memset(&oldLeadOut,0,sizeof(oldLeadOut));
};
CDROM_Interface_Ioctl::~CDROM_Interface_Ioctl()
{
StopAudio();
Close();
};
bool CDROM_Interface_Ioctl::GetUPC(unsigned char& attr, char* upc)
{
// FIXME : To Do
return true;
}
bool CDROM_Interface_Ioctl::GetAudioTracks(int& stTrack, int& endTrack, TMSF& leadOut)
{
// Open();
CDROM_TOC toc;
DWORD byteCount;
BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL, 0,
&toc, sizeof(toc), &byteCount,NULL);
// Close();
if (!bStat) return false;
stTrack = toc.FirstTrack;
endTrack = toc.LastTrack;
leadOut.min = toc.TrackData[endTrack].Address[1];
leadOut.sec = toc.TrackData[endTrack].Address[2];
leadOut.fr = toc.TrackData[endTrack].Address[3];
return true;
};
bool CDROM_Interface_Ioctl::GetAudioTrackInfo(int track, TMSF& start, unsigned char& attr)
{
// Open();
CDROM_TOC toc;
DWORD byteCount;
BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL, 0,
&toc, sizeof(toc), &byteCount,NULL);
// Close();
if (!bStat) return false;
attr = (toc.TrackData[track-1].Control << 4) & 0xEF;
start.min = toc.TrackData[track-1].Address[1];
start.sec = toc.TrackData[track-1].Address[2];
start.fr = toc.TrackData[track-1].Address[3];
return true;
};
bool CDROM_Interface_Ioctl::GetAudioSub(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos)
{
// Open();
CDROM_SUB_Q_DATA_FORMAT insub;
SUB_Q_CHANNEL_DATA sub;
DWORD byteCount;
insub.Format = IOCTL_CDROM_CURRENT_POSITION;
BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_Q_CHANNEL, &insub, sizeof(insub),
&sub, sizeof(sub), &byteCount,NULL);
// Close();
if (!bStat) return false;
attr = (sub.CurrentPosition.Control << 4) & 0xEF;
track = sub.CurrentPosition.TrackNumber;
index = sub.CurrentPosition.IndexNumber;
relPos.min = sub.CurrentPosition.TrackRelativeAddress[1];
relPos.sec = sub.CurrentPosition.TrackRelativeAddress[2];
relPos.fr = sub.CurrentPosition.TrackRelativeAddress[3];
absPos.min = sub.CurrentPosition.AbsoluteAddress[1];
absPos.sec = sub.CurrentPosition.AbsoluteAddress[2];
absPos.fr = sub.CurrentPosition.AbsoluteAddress[3];
return true;
};
bool CDROM_Interface_Ioctl::GetAudioStatus(bool& playing, bool& pause)
{
// Open();
CDROM_SUB_Q_DATA_FORMAT insub;
SUB_Q_CHANNEL_DATA sub;
DWORD byteCount;
insub.Format = IOCTL_CDROM_CURRENT_POSITION;
BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_Q_CHANNEL, &insub, sizeof(insub),
&sub, sizeof(sub), &byteCount,NULL);
// Close();
if (!bStat) return false;
playing = (sub.CurrentPosition.Header.AudioStatus == AUDIO_STATUS_IN_PROGRESS);
pause = (sub.CurrentPosition.Header.AudioStatus == AUDIO_STATUS_PAUSED);
return true;
};
bool CDROM_Interface_Ioctl::GetMediaTrayStatus(bool& mediaPresent, bool& mediaChanged, bool& trayOpen)
{
// Seems not possible to get this values using ioctl...
int track1,track2;
TMSF leadOut;
// If we can read, there's a media
mediaPresent = GetAudioTracks(track1, track2, leadOut),
trayOpen = !mediaPresent;
mediaChanged = (oldLeadOut.min!=leadOut.min) || (oldLeadOut.sec!=leadOut.sec) || (oldLeadOut.fr!=leadOut.fr);
if (mediaChanged) {
// Open new media
Close(); Open();
};
// Save old values
oldLeadOut.min = leadOut.min;
oldLeadOut.sec = leadOut.sec;
oldLeadOut.fr = leadOut.fr;
// always success
return true;
};
bool CDROM_Interface_Ioctl::PlayAudioSector (unsigned long start,unsigned long len)
{
// Open();
CDROM_PLAY_AUDIO_MSF audio;
DWORD byteCount;
// Start
unsigned long addr = start + 150;
audio.StartingF = (UCHAR)(addr%75); addr/=75;
audio.StartingS = (UCHAR)(addr%60);
audio.StartingM = (UCHAR)(addr/60);
// End
addr = start + len + 150;
audio.EndingF = (UCHAR)(addr%75); addr/=75;
audio.EndingS = (UCHAR)(addr%60);
audio.EndingM = (UCHAR)(addr/60);
BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_PLAY_AUDIO_MSF, &audio, sizeof(audio),
NULL, 0, &byteCount,NULL);
// Close();
return bStat>0;
};
bool CDROM_Interface_Ioctl::PauseAudio(bool resume)
{
// Open();
BOOL bStat;
DWORD byteCount;
if (resume) bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_RESUME_AUDIO, NULL, 0,
NULL, 0, &byteCount,NULL);
else bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_PAUSE_AUDIO, NULL, 0,
NULL, 0, &byteCount,NULL);
// Close();
return bStat>0;
};
bool CDROM_Interface_Ioctl::StopAudio(void)
{
// Open();
BOOL bStat;
DWORD byteCount;
bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_STOP_AUDIO, NULL, 0,
NULL, 0, &byteCount,NULL);
// Close();
return bStat>0;
};
bool CDROM_Interface_Ioctl::LoadUnloadMedia(bool unload)
{
// Open();
BOOL bStat;
DWORD byteCount;
if (unload) bStat = DeviceIoControl(hIOCTL,IOCTL_STORAGE_EJECT_MEDIA, NULL, 0,
NULL, 0, &byteCount,NULL);
else bStat = DeviceIoControl(hIOCTL,IOCTL_STORAGE_LOAD_MEDIA, NULL, 0,
NULL, 0, &byteCount,NULL);
// Close();
return bStat>0;
};
bool CDROM_Interface_Ioctl::ReadSectors(PhysPt buffer, bool raw, unsigned long sector, unsigned long num)
{
BOOL bStat;
DWORD byteCount = 0;
// Open();
Bitu buflen = raw ? num*RAW_SECTOR_SIZE : num*COOKED_SECTOR_SIZE;
Bit8u* bufdata = new Bit8u[buflen];
if (!raw) {
// Cooked
int success = 0;
DWORD newPos = SetFilePointer(hIOCTL, sector*COOKED_SECTOR_SIZE, 0, FILE_BEGIN);
if (newPos != 0xFFFFFFFF) success = ReadFile(hIOCTL, bufdata, buflen, &byteCount, NULL);
bStat = (success!=0);
} else {
// Raw
RAW_READ_INFO in;
in.DiskOffset.LowPart = sector;
in.DiskOffset.HighPart = 0;
in.SectorCount = num;
in.TrackMode = CDDA;
bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_RAW_READ, &in, sizeof(in),
bufdata, buflen, &byteCount,NULL);
}
// Close();
MEM_BlockWrite(buffer,bufdata,buflen);
delete[] bufdata;
return (byteCount==buflen) && (bStat>0);
}
bool CDROM_Interface_Ioctl::SetDevice(char* path, int forceCD)
{
if (GetDriveType(path)==DRIVE_CDROM) {
char letter [3] = { 0, ':', 0 };
letter[0] = path[0];
strcpy(pathname,"\\\\.\\");
strcat(pathname,letter);
if (Open()) {
// Close();
return true;
};
}
return false;
}
bool CDROM_Interface_Ioctl::Open(void)
{
hIOCTL = CreateFile(pathname, // drive to open
GENERIC_READ, // read access
FILE_SHARE_READ | // share mode
FILE_SHARE_WRITE,
NULL, // default security attributes
OPEN_EXISTING, // disposition
0, // file attributes
NULL); // do not copy file attributes
return (hIOCTL!=INVALID_HANDLE_VALUE);
};
void CDROM_Interface_Ioctl::Close(void)
{
CloseHandle(hIOCTL);
};
#endif