cdrom interface ioctl win32
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@814
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Ulf Wohlers
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1 changed files with 275 additions and 0 deletions
275
src/dos/cdrom_ioctl_win32.cpp
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275
src/dos/cdrom_ioctl_win32.cpp
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/*
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* Copyright (C) 2002-2003 The DOSBox Team
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*
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* This program 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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* This program 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 Library 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#if defined (WIN32)
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// *****************************************************************
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// Windows IOCTL functions (not suitable for 95/98/Me)
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// *****************************************************************
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#include <windows.h>
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#include <winioctl.h> // Ioctl stuff
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#include "ntddcdrm.h" // Ioctl stuff
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#include "cdrom.h"
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CDROM_Interface_Ioctl::CDROM_Interface_Ioctl()
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{
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pathname[0] = 0;
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hIOCTL = INVALID_HANDLE_VALUE;
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memset(&oldLeadOut,0,sizeof(oldLeadOut));
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};
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CDROM_Interface_Ioctl::~CDROM_Interface_Ioctl()
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{
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StopAudio();
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};
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bool CDROM_Interface_Ioctl::GetUPC(unsigned char& attr, char* upc)
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{
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// FIXME : To Do
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return true;
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}
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bool CDROM_Interface_Ioctl::GetAudioTracks(int& stTrack, int& endTrack, TMSF& leadOut)
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{
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Open();
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CDROM_TOC toc;
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DWORD byteCount;
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BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL, 0,
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&toc, sizeof(toc), &byteCount,NULL);
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Close();
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if (!bStat) return false;
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stTrack = toc.FirstTrack;
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endTrack = toc.LastTrack;
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leadOut.min = toc.TrackData[endTrack].Address[1];
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leadOut.sec = toc.TrackData[endTrack].Address[2];
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leadOut.fr = toc.TrackData[endTrack].Address[3];
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return true;
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};
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bool CDROM_Interface_Ioctl::GetAudioTrackInfo(int track, TMSF& start, unsigned char& attr)
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{
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Open();
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CDROM_TOC toc;
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DWORD byteCount;
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BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_TOC, NULL, 0,
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&toc, sizeof(toc), &byteCount,NULL);
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Close();
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if (!bStat) return false;
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attr = (toc.TrackData[track-1].Adr << 4) | toc.TrackData[track].Control;
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start.min = toc.TrackData[track-1].Address[1];
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start.sec = toc.TrackData[track-1].Address[2];
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start.fr = toc.TrackData[track-1].Address[3];
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return true;
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};
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bool CDROM_Interface_Ioctl::GetAudioSub(unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos)
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{
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Open();
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CDROM_SUB_Q_DATA_FORMAT insub;
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SUB_Q_CHANNEL_DATA sub;
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DWORD byteCount;
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insub.Format = IOCTL_CDROM_CURRENT_POSITION;
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BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_Q_CHANNEL, &insub, sizeof(insub),
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&sub, sizeof(sub), &byteCount,NULL);
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Close();
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if (!bStat) return false;
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attr = (sub.CurrentPosition.ADR << 4) | sub.CurrentPosition.Control;
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track = sub.CurrentPosition.TrackNumber;
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index = sub.CurrentPosition.IndexNumber;
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relPos.min = sub.CurrentPosition.TrackRelativeAddress[1];
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relPos.sec = sub.CurrentPosition.TrackRelativeAddress[2];
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relPos.fr = sub.CurrentPosition.TrackRelativeAddress[3];
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absPos.min = sub.CurrentPosition.AbsoluteAddress[1];
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absPos.sec = sub.CurrentPosition.AbsoluteAddress[2];
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absPos.fr = sub.CurrentPosition.AbsoluteAddress[3];
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return true;
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};
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bool CDROM_Interface_Ioctl::GetAudioStatus(bool& playing, bool& pause)
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{
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Open();
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CDROM_SUB_Q_DATA_FORMAT insub;
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SUB_Q_CHANNEL_DATA sub;
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DWORD byteCount;
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insub.Format = IOCTL_CDROM_CURRENT_POSITION;
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BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_READ_Q_CHANNEL, &insub, sizeof(insub),
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&sub, sizeof(sub), &byteCount,NULL);
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Close();
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if (!bStat) return false;
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playing = (sub.CurrentPosition.Header.AudioStatus == AUDIO_STATUS_IN_PROGRESS);
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pause = (sub.CurrentPosition.Header.AudioStatus == AUDIO_STATUS_PAUSED);
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return true;
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};
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bool CDROM_Interface_Ioctl::GetMediaTrayStatus(bool& mediaPresent, bool& mediaChanged, bool& trayOpen)
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{
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// Seems not possible to get this values using ioctl...
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int track1,track2;
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TMSF leadOut;
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// If we can read, there's a media
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mediaPresent = GetAudioTracks(track1, track2, leadOut),
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trayOpen = !mediaPresent;
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mediaChanged = (oldLeadOut.min!=leadOut.min) || (oldLeadOut.sec!=leadOut.sec) || (oldLeadOut.fr!=leadOut.fr);
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// Save old values
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oldLeadOut.min = leadOut.min;
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oldLeadOut.sec = leadOut.sec;
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oldLeadOut.fr = leadOut.fr;
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// always success
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return true;
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};
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bool CDROM_Interface_Ioctl::PlayAudioSector (unsigned long start,unsigned long len)
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{
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Open();
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CDROM_PLAY_AUDIO_MSF audio;
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DWORD byteCount;
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// Start
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unsigned long addr = start + 150;
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audio.StartingF = (UCHAR)(addr%75); addr/=75;
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audio.StartingS = (UCHAR)(addr%60);
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audio.StartingM = (UCHAR)(addr/60);
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// End
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addr = start + len + 150;
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audio.EndingF = (UCHAR)(addr%75); addr/=75;
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audio.EndingS = (UCHAR)(addr%60);
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audio.EndingM = (UCHAR)(addr/60);
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BOOL bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_PLAY_AUDIO_MSF, &audio, sizeof(audio),
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NULL, 0, &byteCount,NULL);
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Close();
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return bStat>0;
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};
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bool CDROM_Interface_Ioctl::PauseAudio(bool resume)
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{
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Open();
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BOOL bStat;
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DWORD byteCount;
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if (resume) bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_RESUME_AUDIO, NULL, 0,
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NULL, 0, &byteCount,NULL);
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else bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_PAUSE_AUDIO, NULL, 0,
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NULL, 0, &byteCount,NULL);
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Close();
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return bStat>0;
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};
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bool CDROM_Interface_Ioctl::StopAudio(void)
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{
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Open();
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BOOL bStat;
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DWORD byteCount;
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bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_STOP_AUDIO, NULL, 0,
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NULL, 0, &byteCount,NULL);
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Close();
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return bStat>0;
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};
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bool CDROM_Interface_Ioctl::LoadUnloadMedia(bool unload)
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{
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Open();
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BOOL bStat;
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DWORD byteCount;
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if (unload) bStat = DeviceIoControl(hIOCTL,IOCTL_STORAGE_EJECT_MEDIA, NULL, 0,
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NULL, 0, &byteCount,NULL);
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else bStat = DeviceIoControl(hIOCTL,IOCTL_STORAGE_LOAD_MEDIA, NULL, 0,
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NULL, 0, &byteCount,NULL);
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Close();
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return bStat>0;
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};
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bool CDROM_Interface_Ioctl::ReadSectors(void* buffer, bool raw, unsigned long sector, unsigned long num)
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{
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// TODO : How to copy cooked without current overhead ?
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BOOL bStat;
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DWORD byteCount;
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RAW_READ_INFO in;
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char* inPtr;
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in.DiskOffset.LowPart = sector;
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in.DiskOffset.HighPart = 0;
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in.SectorCount = num;
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in.TrackMode = CDDA;
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if (!raw) inPtr = new char[num*RAW_SECTOR_SIZE];
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else inPtr = (char*)buffer;
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bStat = DeviceIoControl(hIOCTL,IOCTL_CDROM_RAW_READ, &in, sizeof(in),
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inPtr, num*RAW_SECTOR_SIZE, &byteCount,NULL);
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if (!raw) {
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char* source = inPtr;
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source+=16; // jump 16 bytes
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char* outPtr = (char*)buffer;
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for (unsigned long i=0; i<num; i++) {
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memcpy(outPtr,source,COOKED_SECTOR_SIZE);
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outPtr+=COOKED_SECTOR_SIZE;
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source+=RAW_SECTOR_SIZE;
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};
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delete[] inPtr;
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};
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return (byteCount!=num*RAW_SECTOR_SIZE) && (bStat>0);
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}
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bool CDROM_Interface_Ioctl::SetDevice(char* path, int forceCD)
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{
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if (GetDriveType(path)==DRIVE_CDROM) {
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char letter [3] = { 0, ':', 0 };
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letter[0] = path[0];
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strcpy(pathname,"\\\\.\\");
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strcat(pathname,letter);
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if (Open()) {
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Close();
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return true;
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};
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}
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return false;
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}
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bool CDROM_Interface_Ioctl::Open(void)
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{
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hIOCTL = CreateFile(pathname, // drive to open
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GENERIC_READ, // read access
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FILE_SHARE_READ | // share mode
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FILE_SHARE_WRITE,
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NULL, // default security attributes
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OPEN_EXISTING, // disposition
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0, // file attributes
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NULL); // do not copy file attributes
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return (hIOCTL!=INVALID_HANDLE_VALUE);
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};
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void CDROM_Interface_Ioctl::Close(void)
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{
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CloseHandle(hIOCTL);
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};
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#endif
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