236 lines
6 KiB
C++
236 lines
6 KiB
C++
/*
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* Copyright (C) 2002-2004 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 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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// ******************************************************
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// SDL CDROM
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// ******************************************************
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include "dosbox.h"
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#include "SDL.h"
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#include "support.h"
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#include "cdrom.h"
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CDROM_Interface_SDL::CDROM_Interface_SDL(void)
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{
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driveID = 0;
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oldLeadOut = 0;
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cd = 0;
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};
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CDROM_Interface_SDL::~CDROM_Interface_SDL(void)
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{
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StopAudio();
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SDL_CDClose(cd);
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cd = 0;
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};
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bool CDROM_Interface_SDL::SetDevice (char* path, int forceCD)
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{
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char buffer[512];
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strcpy(buffer,path);
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upcase(buffer);
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int num = SDL_CDNumDrives();
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if ((forceCD>=0) && (forceCD<num)) {
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driveID = forceCD;
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return true;
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};
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const char* cdname = 0;
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for (int i=0; i<num; i++) {
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cdname = SDL_CDName(i);
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if (strcmp(buffer,cdname)==0) {
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cd = SDL_CDOpen(i);
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SDL_CDStatus(cd);
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driveID = i;
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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_SDL::GetAudioTracks (int& stTrack, int& end, TMSF& leadOut)
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{
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if (CD_INDRIVE(SDL_CDStatus(cd))) {
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stTrack = 1;
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end = cd->numtracks;
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FRAMES_TO_MSF(cd->track[cd->numtracks].offset,&leadOut.min,&leadOut.sec,&leadOut.fr);
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}
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return CD_INDRIVE(SDL_CDStatus(cd));
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};
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bool CDROM_Interface_SDL::GetAudioTrackInfo (int track, TMSF& start, unsigned char& attr)
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{
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if (CD_INDRIVE(SDL_CDStatus(cd))) {
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FRAMES_TO_MSF(cd->track[track-1].offset+150,&start.min,&start.sec,&start.fr);
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attr = cd->track[track-1].type;
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}
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return CD_INDRIVE(SDL_CDStatus(cd));
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};
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bool CDROM_Interface_SDL::GetAudioSub (unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos)
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{
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if (CD_INDRIVE(SDL_CDStatus(cd))) {
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track = cd->cur_track;
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index = cd->cur_track;
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attr = cd->track[track].type;
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FRAMES_TO_MSF(cd->cur_frame,&relPos.min,&relPos.sec,&relPos.fr);
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FRAMES_TO_MSF(cd->cur_frame+cd->track[track].offset,&absPos.min,&absPos.sec,&absPos.fr);
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}
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return CD_INDRIVE(SDL_CDStatus(cd));
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};
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bool CDROM_Interface_SDL::GetAudioStatus (bool& playing, bool& pause)
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{
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if (CD_INDRIVE(SDL_CDStatus(cd))) {
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playing = (cd->status==CD_PLAYING);
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pause = (cd->status==CD_PAUSED);
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}
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return CD_INDRIVE(SDL_CDStatus(cd));
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};
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bool CDROM_Interface_SDL::GetMediaTrayStatus (bool& mediaPresent, bool& mediaChanged, bool& trayOpen)
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{
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SDL_CDStatus(cd);
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mediaPresent = (cd->status!=CD_TRAYEMPTY) && (cd->status!=CD_ERROR);
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mediaChanged = (oldLeadOut!=cd->track[cd->numtracks].offset);
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trayOpen = !mediaPresent;
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oldLeadOut = cd->track[cd->numtracks].offset;
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if (mediaChanged) SDL_CDStatus(cd);
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return true;
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};
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bool CDROM_Interface_SDL::PlayAudioSector (unsigned long start,unsigned long len)
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{
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// Has to be there, otherwise wrong cd status report (dunno why, sdl bug ?)
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SDL_CDClose(cd);
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cd = SDL_CDOpen(driveID);
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bool success = (SDL_CDPlay(cd,start+150,len)==0);
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return success;
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};
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bool CDROM_Interface_SDL::PauseAudio (bool resume)
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{
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bool success;
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if (resume) success = (SDL_CDResume(cd)==0);
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else success = (SDL_CDPause (cd)==0);
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return success;
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};
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bool CDROM_Interface_SDL::StopAudio (void)
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{
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// Has to be there, otherwise wrong cd status report (dunno why, sdl bug ?)
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SDL_CDClose(cd);
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cd = SDL_CDOpen(driveID);
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bool success = (SDL_CDStop(cd)==0);
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return success;
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};
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bool CDROM_Interface_SDL::LoadUnloadMedia(bool unload)
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{
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bool success = (SDL_CDEject(cd)==0);
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return success;
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};
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int CDROM_GetMountType(char* path, int forceCD)
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// 0 - physical CDROM
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// 1 - Iso file
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// 2 - subdirectory
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{
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// 1. Smells like a real cdrom
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// if ((strlen(path)<=3) && (path[2]=='\\') && (strchr(path,'\\')==strrchr(path,'\\')) && (GetDriveType(path)==DRIVE_CDROM)) return 0;
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const char* cdName;
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char buffer[512];
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strcpy(buffer,path);
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#if defined (WIN32)
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upcase(buffer);
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#endif
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int num = SDL_CDNumDrives();
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// If cd drive is forced then check if its in range and return 0
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if ((forceCD>=0) && (forceCD<num)) {
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LOG(LOG_ALL,LOG_ERROR)("CDROM: Using drive %d",forceCD);
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return 0;
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}
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// compare names
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for (int i=0; i<num; i++) {
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cdName = SDL_CDName(i);
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if (strcmp(buffer,cdName)==0) return 0;
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};
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// Detect ISO
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struct stat file_stat;
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stat(path, &file_stat);
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if (S_ISREG(file_stat.st_mode)) return 1;
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return 2;
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};
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// ******************************************************
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// Fake CDROM
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// ******************************************************
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bool CDROM_Interface_Fake :: GetAudioTracks (int& stTrack, int& end, TMSF& leadOut)
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{
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stTrack = end = 1;
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leadOut.min = 60;
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leadOut.sec = leadOut.fr = 0;
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return true;
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};
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bool CDROM_Interface_Fake :: GetAudioTrackInfo (int track, TMSF& start, unsigned char& attr)
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{
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if (track>1) return false;
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start.min = start.fr = 0;
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start.sec = 2;
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attr = 0x60; // data / permitted
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return true;
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};
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bool CDROM_Interface_Fake :: GetAudioSub (unsigned char& attr, unsigned char& track, unsigned char& index, TMSF& relPos, TMSF& absPos)
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{
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attr = 0;
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track = index = 1;
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relPos.min = relPos.fr = 0; relPos.sec = 2;
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absPos.min = absPos.fr = 0; absPos.sec = 2;
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return true;
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}
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bool CDROM_Interface_Fake :: GetAudioStatus (bool& playing, bool& pause)
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{
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playing = pause = false;
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return true;
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}
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bool CDROM_Interface_Fake :: GetMediaTrayStatus (bool& mediaPresent, bool& mediaChanged, bool& trayOpen)
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{
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mediaPresent = true;
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mediaChanged = false;
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trayOpen = false;
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return true;
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};
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