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Diffstat (limited to 'distrib/sdl-1.2.12/src/cdrom/qnx/SDL_syscdrom.c')
-rw-r--r--distrib/sdl-1.2.12/src/cdrom/qnx/SDL_syscdrom.c551
1 files changed, 0 insertions, 551 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/qnx/SDL_syscdrom.c b/distrib/sdl-1.2.12/src/cdrom/qnx/SDL_syscdrom.c
deleted file mode 100644
index d41d640..0000000
--- a/distrib/sdl-1.2.12/src/cdrom/qnx/SDL_syscdrom.c
+++ /dev/null
@@ -1,551 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#ifdef SDL_CDROM_QNX
-
-/* Functions for system-level CD-ROM audio control */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/cdrom.h>
-#include <sys/dcmd_cam.h>
-
-#include "SDL_timer.h"
-#include "SDL_cdrom.h"
-#include "../SDL_syscdrom.h"
-
-/* The maximum number of CD-ROM drives we'll detect */
-#define MAX_DRIVES 16
-
-#define QNX_CD_OPENMODE O_RDONLY | O_EXCL
-
-/* A list of available CD-ROM drives */
-static char *SDL_cdlist[MAX_DRIVES];
-static dev_t SDL_cdmode[MAX_DRIVES];
-static int SDL_cdopen[MAX_DRIVES];
-
-/* The system-dependent CD control functions */
-static const char *SDL_SYS_CDName(int drive);
-static int SDL_SYS_CDOpen(int drive);
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
-static int SDL_SYS_CDPause(SDL_CD *cdrom);
-static int SDL_SYS_CDResume(SDL_CD *cdrom);
-static int SDL_SYS_CDStop(SDL_CD *cdrom);
-static int SDL_SYS_CDEject(SDL_CD *cdrom);
-static void SDL_SYS_CDClose(SDL_CD *cdrom);
-
-/* Check a drive to see if it is a CD-ROM */
-static int CheckDrive(char *drive, struct stat *stbuf)
-{
- int is_cd, cdfd;
- cam_devinfo_t dinfo;
- int devctlret=0;
-
- int atapi;
- int removable;
- int cdb10;
-
- /* If it doesn't exist, return -1 */
- if (stat(drive, stbuf) < 0)
- {
- return(-1);
- }
-
- /* If it does exist, verify that it's an available CD-ROM */
- is_cd = 0;
-
- if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode))
- {
- cdfd = open(drive, QNX_CD_OPENMODE);
- if ( cdfd >= 0 )
- {
- devctlret=devctl(cdfd, DCMD_CAM_DEVINFO, &dinfo, sizeof(cam_devinfo_t), NULL);
-
- if (devctlret==EOK)
- {
- atapi=dinfo.flags & DEV_ATAPI;
- removable=dinfo.flags & DEV_REMOVABLE;
- cdb10=dinfo.flags & DEV_CDB_10; /* I'm not sure about that flag */
-
- /* in the near future need to add more checks for splitting cdroms from other devices */
- if ((atapi)&&(removable))
- {
- is_cd = 1;
- }
- }
-
- close(cdfd);
- }
- }
- return(is_cd);
-}
-
-/* Add a CD-ROM drive to our list of valid drives */
-static void AddDrive(char *drive, struct stat *stbuf)
-{
- int i;
-
- if (SDL_numcds < MAX_DRIVES)
- {
- /* Check to make sure it's not already in our list.
- This can happen when we see a drive via symbolic link. */
-
- for (i=0; i<SDL_numcds; ++i)
- {
- if (stbuf->st_rdev == SDL_cdmode[i])
- {
- return;
- }
- }
-
- /* Add this drive to our list */
-
- i = SDL_numcds;
- SDL_cdlist[i] = SDL_strdup(drive);
- if (SDL_cdlist[i] == NULL)
- {
- SDL_OutOfMemory();
- return;
- }
- SDL_cdmode[i] = stbuf->st_rdev;
- ++SDL_numcds;
- }
-}
-
-int SDL_SYS_CDInit(void)
-{
- /* checklist: /dev/cdrom, /dev/cd?, /dev/scd? */
- static char *checklist[]={"cdrom", "?0 cd?", "?1 cd?", "?0 scd?", NULL};
-
- char *SDLcdrom;
- int i, j, exists;
- char drive[32];
- struct stat stbuf;
-
- /* Fill in our driver capabilities */
- SDL_CDcaps.Name = SDL_SYS_CDName;
- SDL_CDcaps.Open = SDL_SYS_CDOpen;
- SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
- SDL_CDcaps.Status = SDL_SYS_CDStatus;
- SDL_CDcaps.Play = SDL_SYS_CDPlay;
- SDL_CDcaps.Pause = SDL_SYS_CDPause;
- SDL_CDcaps.Resume = SDL_SYS_CDResume;
- SDL_CDcaps.Stop = SDL_SYS_CDStop;
- SDL_CDcaps.Eject = SDL_SYS_CDEject;
- SDL_CDcaps.Close = SDL_SYS_CDClose;
-
- /* clearing device open status */
- for (i=0; i<MAX_DRIVES; i++)
- {
- SDL_cdopen[i]=0;
- }
-
- /* Look in the environment for our CD-ROM drive list */
- SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
- if ( SDLcdrom != NULL )
- {
- char *cdpath, *delim;
- size_t len = SDL_strlen(SDLcdrom)+1;
- cdpath = SDL_stack_alloc(char, len);
- if (cdpath != NULL)
- {
- SDL_strlcpy(cdpath, SDLcdrom, len);
- SDLcdrom = cdpath;
- do {
- delim = SDL_strchr(SDLcdrom, ':');
- if (delim)
- {
- *delim++ = '\0';
- }
- if (CheckDrive(SDLcdrom, &stbuf) > 0)
- {
- AddDrive(SDLcdrom, &stbuf);
- }
- if (delim)
- {
- SDLcdrom = delim;
- }
- else
- {
- SDLcdrom = NULL;
- }
- } while (SDLcdrom);
- SDL_stack_free(cdpath);
- }
-
- /* If we found our drives, there's nothing left to do */
- if (SDL_numcds > 0)
- {
- return(0);
- }
- }
-
- /* Scan the system for CD-ROM drives */
- for ( i=0; checklist[i]; ++i )
- {
- if (checklist[i][0] == '?')
- {
- char* insert;
- exists = 1;
-
- for ( j=checklist[i][1]; exists; ++j )
- {
- SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", &checklist[i][3]);
- insert = SDL_strchr(drive, '?');
- if (insert != NULL)
- {
- *insert = j;
- }
- switch (CheckDrive(drive, &stbuf))
- {
- /* Drive exists and is a CD-ROM */
- case 1:
- AddDrive(drive, &stbuf);
- break;
- /* Drive exists, but isn't a CD-ROM */
- case 0:
- break;
- /* Drive doesn't exist */
- case -1:
- exists = 0;
- break;
- }
- }
- }
- else
- {
- SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]);
- if (CheckDrive(drive, &stbuf) > 0)
- {
- AddDrive(drive, &stbuf);
- }
- }
- }
- return(0);
-}
-
-static const char *SDL_SYS_CDName(int drive)
-{
- return(SDL_cdlist[drive]);
-}
-
-static int SDL_SYS_CDOpen(int drive)
-{
- int handle;
-
- handle=open(SDL_cdlist[drive], QNX_CD_OPENMODE);
-
- if (handle>0)
- {
- SDL_cdopen[drive]=handle;
- }
-
- return (handle);
-}
-
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
-{
- cdrom_read_toc_t toc;
- int i, okay;
-
- okay = 0;
- if (devctl(cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), NULL) == 0)
- {
- cdrom->numtracks = toc.last_track - toc.first_track + 1;
- if (cdrom->numtracks > SDL_MAX_TRACKS)
- {
- cdrom->numtracks = SDL_MAX_TRACKS;
- }
- /* Read all the track TOC entries */
- for (i=0; i<=cdrom->numtracks; ++i)
- {
- if (i == cdrom->numtracks)
- {
- cdrom->track[i].id = CDROM_LEADOUT;
- }
- else
- {
- cdrom->track[i].id = toc.first_track+i;
- }
-
- cdrom->track[i].type = toc.toc_entry[i].control_adr & 0x0F;
- cdrom->track[i].offset = toc.toc_entry[i].addr.lba;
- cdrom->track[i].length = 0;
-
- if (i > 0)
- {
- cdrom->track[i-1].length = cdrom->track[i].offset-cdrom->track[i-1].offset;
- }
- }
- if (i == (cdrom->numtracks+1))
- {
- okay = 1;
- }
- }
- return (okay ? 0 : -1);
-}
-
-/* Get CD-ROM status */
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
-{
- CDstatus status;
-
- cdrom_read_toc_t toc;
- cdrom_subch_data_t info;
- cam_devinfo_t dinfo;
-
- int devctlret=0;
- int drive=-1;
- int i;
- int eagaincnt=0;
-
- /* check media presence before read subchannel call, some cdroms can lockups */
- /* if no media, while calling read subchannel functions. */
- devctlret=devctl(cdrom->id, DCMD_CAM_DEVINFO, &dinfo, sizeof(cam_devinfo_t), NULL);
-
- if (devctlret==EOK)
- {
- if ((dinfo.flags & DEV_NO_MEDIA)!=0)
- {
- status = CD_TRAYEMPTY;
- if (position)
- {
- *position = 0;
- }
- return (status);
- }
- }
-
- /* if media exists, then do other stuff */
-
- SDL_memset(&info, 0x00, sizeof(info));
- info.subch_command.data_format = CDROM_SUBCH_CURRENT_POSITION;
-
- do {
- devctlret=devctl(cdrom->id, DCMD_CAM_CDROMSUBCHNL, &info, sizeof(info), NULL);
- if (devctlret==EIO)
- {
- /* big workaround for media change, handle is unusable after that,
- that bug was found in QNX 6.2, 6.2.1 is not released yet. */
-
- for (i=0; i<MAX_DRIVES; i++)
- {
- if (SDL_cdopen[i]==cdrom->id)
- {
- drive=i;
- break;
- }
- }
- if (drive==-1)
- {
- /* that cannot happen, but ... */
- break;
- }
- close(cdrom->id);
- cdrom->id=open(SDL_cdlist[drive], QNX_CD_OPENMODE);
- devctlret=EAGAIN;
- }
- if (devctlret==EAGAIN)
- {
- eagaincnt++;
- }
- if (eagaincnt==2)
- {
- /* workaround for broken cdroms, which can return always EAGAIN when its not ready, */
- /* that mean errornous media or just no media avail */
- devctlret=ENXIO;
- break;
- }
- } while ((devctlret==EAGAIN)||(devctlret==ESTALE));
-
- if (devctlret != 0)
- {
- if (devctlret==ENXIO)
- {
- status = CD_TRAYEMPTY;
- }
- else
- {
- status = CD_ERROR;
- }
- }
- else
- {
- switch (info.current_position.header.audio_status)
- {
- case CDROM_AUDIO_INVALID:
- case CDROM_AUDIO_NO_STATUS:
- /* Try to determine if there's a CD available */
- if (devctl(cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), NULL)==0)
- status = CD_STOPPED;
- else
- status = CD_TRAYEMPTY;
- break;
- case CDROM_AUDIO_COMPLETED:
- status = CD_STOPPED;
- break;
- case CDROM_AUDIO_PLAY:
- status = CD_PLAYING;
- break;
- case CDROM_AUDIO_PAUSED:
- /* Workaround buggy CD-ROM drive */
- if (info.current_position.data_format == CDROM_LEADOUT)
- {
- status = CD_STOPPED;
- }
- else
- {
- status = CD_PAUSED;
- }
- break;
- default:
- status = CD_ERROR;
- break;
- }
- }
-
- if (position)
- {
- if (status==CD_PLAYING || (status==CD_PAUSED))
- {
- *position = MSF_TO_FRAMES(info.current_position.addr.msf.minute,
- info.current_position.addr.msf.second,
- info.current_position.addr.msf.frame);
- }
- else
- {
- *position = 0;
- }
- }
-
- return (status);
-}
-
-/* Start play */
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
-{
- cdrom_playmsf_t playtime;
-
- FRAMES_TO_MSF(start, &playtime.start_minute, &playtime.start_second, &playtime.start_frame);
- FRAMES_TO_MSF(start+length, &playtime.end_minute, &playtime.end_second, &playtime.end_frame);
-
- if (devctl(cdrom->id, DCMD_CAM_CDROMPLAYMSF, &playtime, sizeof(playtime), NULL) != 0)
- {
- return -1;
- }
- else
- {
- return 0;
- }
-}
-
-/* Pause play */
-static int SDL_SYS_CDPause(SDL_CD *cdrom)
-{
- if (devctl(cdrom->id, DCMD_CAM_CDROMPAUSE, NULL, 0, NULL)!=0)
- {
- return -1;
- }
- else
- {
- return 0;
- }
-}
-
-/* Resume play */
-static int SDL_SYS_CDResume(SDL_CD *cdrom)
-{
- if (devctl(cdrom->id, DCMD_CAM_CDROMRESUME, NULL, 0, NULL)!=0)
- {
- return -1;
- }
- else
- {
- return 0;
- }
-}
-
-/* Stop play */
-static int SDL_SYS_CDStop(SDL_CD *cdrom)
-{
- if (devctl(cdrom->id, DCMD_CAM_CDROMSTOP, NULL, 0, NULL)!=0)
- {
- return -1;
- }
- else
- {
- return 0;
- }
-}
-
-/* Eject the CD-ROM */
-static int SDL_SYS_CDEject(SDL_CD *cdrom)
-{
- if (devctl(cdrom->id, DCMD_CAM_EJECT_MEDIA, NULL, 0, NULL)!=0)
- {
- return -1;
- }
- else
- {
- return 0;
- }
-}
-
-/* Close the CD-ROM handle */
-static void SDL_SYS_CDClose(SDL_CD *cdrom)
-{
- int i;
-
- for (i=0; i<MAX_DRIVES; i++)
- {
- if (SDL_cdopen[i]==cdrom->id)
- {
- SDL_cdopen[i]=0;
- break;
- }
- }
-
- close(cdrom->id);
-}
-
-void SDL_SYS_CDQuit(void)
-{
- int i;
-
- if (SDL_numcds > 0)
- {
- for (i=0; i<SDL_numcds; ++i)
- {
- SDL_free(SDL_cdlist[i]);
- }
- SDL_numcds = 0;
- }
-}
-
-#endif /* SDL_CDROM_QNX */
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