src/cdrom/openbsd/SDL_syscdrom.c
author Darren Alton <dalton@stevens.edu>
Tue, 10 Jun 2008 06:45:39 +0000
branchgsoc2008_nds
changeset 2669 e27bdcc80744
parent 1895 c121d94672cb
child 2859 99210400e8b9
permissions -rw-r--r--
First commit. Added header configs for DS as well as a Makefile. Initial work on framebuffer video driver, currently not functioning as desired.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library 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 GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_CDROM_OPENBSD
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/* Functions for system-level CD-ROM audio control */
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/cdio.h>
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#include "SDL_cdrom.h"
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#include "../SDL_syscdrom.h"
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/* The maximum number of CD-ROM drives we'll detect */
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#define MAX_DRIVES	16
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/* A list of available CD-ROM drives */
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static char *SDL_cdlist[MAX_DRIVES];
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static dev_t SDL_cdmode[MAX_DRIVES];
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/* The system-dependent CD control functions */
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static const char *SDL_SYS_CDName(int drive);
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static int SDL_SYS_CDOpen(int drive);
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static int SDL_SYS_CDGetTOC(SDL_CD * cdrom);
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static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position);
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static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length);
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static int SDL_SYS_CDPause(SDL_CD * cdrom);
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static int SDL_SYS_CDResume(SDL_CD * cdrom);
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static int SDL_SYS_CDStop(SDL_CD * cdrom);
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static int SDL_SYS_CDEject(SDL_CD * cdrom);
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static void SDL_SYS_CDClose(SDL_CD * cdrom);
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/* Some ioctl() errno values which occur when the tray is empty */
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#define ERRNO_TRAYEMPTY(errno)	\
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	((errno == EIO) || (errno == ENOENT) || (errno == EINVAL) || \
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	 (errno == ENODEV))
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/* Check a drive to see if it is a CD-ROM */
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static int
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CheckDrive(char *drive, struct stat *stbuf)
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{
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    int is_cd, cdfd;
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    struct ioc_read_subchannel info;
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    /* If it doesn't exist, return -1 */
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    if (stat(drive, stbuf) < 0) {
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        return (-1);
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    }
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    /* If it does exist, verify that it's an available CD-ROM */
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    is_cd = 0;
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    if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode)) {
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        cdfd = open(drive, (O_RDONLY | O_EXCL | O_NONBLOCK), 0);
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        if (cdfd >= 0) {
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            info.address_format = CD_MSF_FORMAT;
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            info.data_format = CD_CURRENT_POSITION;
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            info.data_len = 0;
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            info.data = NULL;
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            /* Under Linux, EIO occurs when a disk is not present.
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               This isn't 100% reliable, so we use the USE_MNTENT
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               code above instead.
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             */
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            if ((ioctl(cdfd, CDIOCREADSUBCHANNEL, &info) == 0) ||
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                ERRNO_TRAYEMPTY(errno)) {
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                is_cd = 1;
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            }
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            close(cdfd);
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        } else if (ERRNO_TRAYEMPTY(errno))
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            is_cd = 1;
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    }
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    return (is_cd);
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}
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/* Add a CD-ROM drive to our list of valid drives */
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static void
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AddDrive(char *drive, struct stat *stbuf)
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{
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    int i;
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    if (SDL_numcds < MAX_DRIVES) {
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        /* Check to make sure it's not already in our list.
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           This can happen when we see a drive via symbolic link.
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         */
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        for (i = 0; i < SDL_numcds; ++i) {
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            if (stbuf->st_rdev == SDL_cdmode[i]) {
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#ifdef DEBUG_CDROM
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                fprintf(stderr, "Duplicate drive detected: %s == %s\n",
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                        drive, SDL_cdlist[i]);
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#endif
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                return;
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            }
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        }
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        /* Add this drive to our list */
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        i = SDL_numcds;
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        SDL_cdlist[i] = SDL_strdup(drive);
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        if (SDL_cdlist[i] == NULL) {
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            SDL_OutOfMemory();
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            return;
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        }
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        SDL_cdmode[i] = stbuf->st_rdev;
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        ++SDL_numcds;
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#ifdef DEBUG_CDROM
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        fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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#endif
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    }
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}
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int
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SDL_SYS_CDInit(void)
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{
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    static char *checklist[] = {
1402
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#if defined(__OPENBSD__)
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        "?0 cd?c", "cdrom", NULL
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#elif defined(__NETBSD__)
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        "?0 cd?d", "?0 cd?c", "cdrom", NULL
1
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#else
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        "?0 cd?c", "?0 acd?c", "cdrom", NULL
1
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#endif
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    };
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    char *SDLcdrom;
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    int i, j, exists;
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    char drive[32];
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    struct stat stbuf;
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    /* Fill in our driver capabilities */
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    SDL_CDcaps.Name = SDL_SYS_CDName;
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    SDL_CDcaps.Open = SDL_SYS_CDOpen;
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    SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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    SDL_CDcaps.Status = SDL_SYS_CDStatus;
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    SDL_CDcaps.Play = SDL_SYS_CDPlay;
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    SDL_CDcaps.Pause = SDL_SYS_CDPause;
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    SDL_CDcaps.Resume = SDL_SYS_CDResume;
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    SDL_CDcaps.Stop = SDL_SYS_CDStop;
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    SDL_CDcaps.Eject = SDL_SYS_CDEject;
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    SDL_CDcaps.Close = SDL_SYS_CDClose;
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    /* Look in the environment for our CD-ROM drive list */
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    SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
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    if (SDLcdrom != NULL) {
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        char *cdpath, *delim;
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        size_t len = SDL_strlen(SDLcdrom) + 1;
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        cdpath = SDL_stack_alloc(char, len);
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        if (cdpath != NULL) {
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            SDL_strlcpy(cdpath, SDLcdrom, len);
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            SDLcdrom = cdpath;
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            do {
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                delim = SDL_strchr(SDLcdrom, ':');
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                if (delim) {
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                    *delim++ = '\0';
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                }
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                if (CheckDrive(SDLcdrom, &stbuf) > 0) {
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                    AddDrive(SDLcdrom, &stbuf);
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   181
                }
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                if (delim) {
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                    SDLcdrom = delim;
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   184
                } else {
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   185
                    SDLcdrom = NULL;
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   186
                }
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   187
            } while (SDLcdrom);
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            SDL_stack_free(cdpath);
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   189
        }
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        /* If we found our drives, there's nothing left to do */
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        if (SDL_numcds > 0) {
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            return (0);
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   194
        }
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   195
    }
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    /* Scan the system for CD-ROM drives */
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    for (i = 0; checklist[i]; ++i) {
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   199
        if (checklist[i][0] == '?') {
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   200
            char *insert;
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   201
            exists = 1;
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            for (j = checklist[i][1]; exists; ++j) {
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                SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s",
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   204
                             &checklist[i][3]);
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   205
                insert = SDL_strchr(drive, '?');
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   206
                if (insert != NULL) {
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   207
                    *insert = j;
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   208
                }
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   209
                switch (CheckDrive(drive, &stbuf)) {
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   210
                    /* Drive exists and is a CD-ROM */
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   211
                case 1:
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                    AddDrive(drive, &stbuf);
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   213
                    break;
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   214
                    /* Drive exists, but isn't a CD-ROM */
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   215
                case 0:
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   216
                    break;
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   217
                    /* Drive doesn't exist */
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   218
                case -1:
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   219
                    exists = 0;
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   220
                    break;
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   221
                }
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   222
            }
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   223
        } else {
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   224
            SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s",
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   225
                         checklist[i]);
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   226
            if (CheckDrive(drive, &stbuf) > 0) {
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   227
                AddDrive(drive, &stbuf);
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   228
            }
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   229
        }
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   230
    }
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   231
    return (0);
0
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   232
}
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   233
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/* General ioctl() CD-ROM command function */
1895
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   235
static int
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   236
SDL_SYS_CDioctl(int id, int command, void *arg)
0
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   237
{
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   238
    int retval;
0
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   239
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   240
    retval = ioctl(id, command, arg);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   241
    if (retval < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   242
        SDL_SetError("ioctl() error: %s", strerror(errno));
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   243
    }
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   244
    return (retval);
0
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   245
}
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   246
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   247
static const char *
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   248
SDL_SYS_CDName(int drive)
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{
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    return (SDL_cdlist[drive]);
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}
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static int
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SDL_SYS_CDOpen(int drive)
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   255
{
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    return (open(SDL_cdlist[drive], (O_RDONLY | O_EXCL | O_NONBLOCK), 0));
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}
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   258
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static int
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SDL_SYS_CDGetTOC(SDL_CD * cdrom)
0
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   261
{
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    struct ioc_toc_header toc;
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    int i, okay;
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    struct ioc_read_toc_entry entry;
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    struct cd_toc_entry data;
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   266
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    okay = 0;
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   268
    if (SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCHEADER, &toc) == 0) {
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   269
        cdrom->numtracks = toc.ending_track - toc.starting_track + 1;
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   270
        if (cdrom->numtracks > SDL_MAX_TRACKS) {
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            cdrom->numtracks = SDL_MAX_TRACKS;
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   272
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   273
        /* Read all the track TOC entries */
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   274
        for (i = 0; i <= cdrom->numtracks; ++i) {
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   275
            if (i == cdrom->numtracks) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   276
                cdrom->track[i].id = 0xAA;      /* CDROM_LEADOUT */
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   277
            } else {
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   278
                cdrom->track[i].id = toc.starting_track + i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   279
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   280
            entry.starting_track = cdrom->track[i].id;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   281
            entry.address_format = CD_MSF_FORMAT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   282
            entry.data_len = sizeof(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   283
            entry.data = &data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   284
            if (SDL_SYS_CDioctl(cdrom->id, CDIOREADTOCENTRYS, &entry) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   285
                break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   286
            } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   287
                cdrom->track[i].type = data.control;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   288
                cdrom->track[i].offset =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   289
                    MSF_TO_FRAMES(data.addr.msf.minute,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   290
                                  data.addr.msf.second, data.addr.msf.frame);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   291
                cdrom->track[i].length = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   292
                if (i > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   293
                    cdrom->track[i - 1].length =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   294
                        cdrom->track[i].offset - cdrom->track[i - 1].offset;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   295
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   296
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   297
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   298
        if (i == (cdrom->numtracks + 1)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   299
            okay = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   300
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   301
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   302
    return (okay ? 0 : -1);
0
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   303
}
74212992fb08 Initial revision
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   304
74212992fb08 Initial revision
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   305
/* Get CD-ROM status */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   306
static CDstatus
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   307
SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
0
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diff changeset
   308
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   309
    CDstatus status;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   310
    struct ioc_toc_header toc;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   311
    struct ioc_read_subchannel info;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   312
    struct cd_sub_channel_info data;
0
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   313
1895
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diff changeset
   314
    info.address_format = CD_MSF_FORMAT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   315
    info.data_format = CD_CURRENT_POSITION;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   316
    info.track = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   317
    info.data_len = sizeof(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   318
    info.data = &data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   319
    if (ioctl(cdrom->id, CDIOCREADSUBCHANNEL, &info) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   320
        if (ERRNO_TRAYEMPTY(errno)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   321
            status = CD_TRAYEMPTY;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   322
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   323
            status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   324
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   325
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   326
        switch (data.header.audio_status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   327
        case CD_AS_AUDIO_INVALID:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   328
        case CD_AS_NO_STATUS:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   329
            /* Try to determine if there's a CD available */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   330
            if (ioctl(cdrom->id, CDIOREADTOCHEADER, &toc) == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   331
                status = CD_STOPPED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   332
            else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   333
                status = CD_TRAYEMPTY;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   334
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   335
        case CD_AS_PLAY_COMPLETED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   336
            status = CD_STOPPED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   337
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   338
        case CD_AS_PLAY_IN_PROGRESS:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   339
            status = CD_PLAYING;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   340
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   341
        case CD_AS_PLAY_PAUSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   342
            status = CD_PAUSED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   343
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   344
        default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   345
            status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   346
            break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   347
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   348
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   349
    if (position) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   350
        if (status == CD_PLAYING || (status == CD_PAUSED)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   351
            *position =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   352
                MSF_TO_FRAMES(data.what.position.absaddr.msf.minute,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   353
                              data.what.position.absaddr.msf.second,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   354
                              data.what.position.absaddr.msf.frame);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   355
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   356
            *position = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   357
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   358
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   359
    return (status);
0
74212992fb08 Initial revision
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parents:
diff changeset
   360
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   361
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   362
/* Start play */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   363
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   364
SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   365
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   366
    struct ioc_play_msf playtime;
0
74212992fb08 Initial revision
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parents:
diff changeset
   367
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   368
    FRAMES_TO_MSF(start,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   369
                  &playtime.start_m, &playtime.start_s, &playtime.start_f);
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   370
    FRAMES_TO_MSF(start + length,
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   371
                  &playtime.end_m, &playtime.end_s, &playtime.end_f);
0
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   372
#ifdef DEBUG_CDROM
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   373
    fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
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   374
            playtime.start_m, playtime.start_s, playtime.start_f,
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   375
            playtime.end_m, playtime.end_s, playtime.end_f);
0
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   376
#endif
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   377
    ioctl(cdrom->id, CDIOCSTART, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   378
    return (SDL_SYS_CDioctl(cdrom->id, CDIOCPLAYMSF, &playtime));
0
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   379
}
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   380
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   381
/* Pause play */
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   382
static int
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   383
SDL_SYS_CDPause(SDL_CD * cdrom)
0
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   384
{
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diff changeset
   385
    return (SDL_SYS_CDioctl(cdrom->id, CDIOCPAUSE, 0));
0
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diff changeset
   386
}
74212992fb08 Initial revision
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parents:
diff changeset
   387
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diff changeset
   388
/* Resume play */
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diff changeset
   389
static int
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diff changeset
   390
SDL_SYS_CDResume(SDL_CD * cdrom)
0
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parents:
diff changeset
   391
{
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diff changeset
   392
    return (SDL_SYS_CDioctl(cdrom->id, CDIOCRESUME, 0));
0
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parents:
diff changeset
   393
}
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parents:
diff changeset
   394
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diff changeset
   395
/* Stop play */
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   396
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   397
SDL_SYS_CDStop(SDL_CD * cdrom)
0
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parents:
diff changeset
   398
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   399
    return (SDL_SYS_CDioctl(cdrom->id, CDIOCSTOP, 0));
0
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parents:
diff changeset
   400
}
74212992fb08 Initial revision
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parents:
diff changeset
   401
74212992fb08 Initial revision
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parents:
diff changeset
   402
/* Eject the CD-ROM */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   403
static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   404
SDL_SYS_CDEject(SDL_CD * cdrom)
0
74212992fb08 Initial revision
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parents:
diff changeset
   405
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   406
    return (SDL_SYS_CDioctl(cdrom->id, CDIOCEJECT, 0));
0
74212992fb08 Initial revision
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parents:
diff changeset
   407
}
74212992fb08 Initial revision
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parents:
diff changeset
   408
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
/* Close the CD-ROM handle */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   410
static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   411
SDL_SYS_CDClose(SDL_CD * cdrom)
0
74212992fb08 Initial revision
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parents:
diff changeset
   412
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   413
    close(cdrom->id);
0
74212992fb08 Initial revision
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parents:
diff changeset
   414
}
74212992fb08 Initial revision
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parents:
diff changeset
   415
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   416
void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   417
SDL_SYS_CDQuit(void)
0
74212992fb08 Initial revision
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parents:
diff changeset
   418
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   419
    int i;
0
74212992fb08 Initial revision
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parents:
diff changeset
   420
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   421
    if (SDL_numcds > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   422
        for (i = 0; i < SDL_numcds; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   423
            SDL_free(SDL_cdlist[i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   424
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   425
        SDL_numcds = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   426
    }
0
74212992fb08 Initial revision
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parents:
diff changeset
   427
}
74212992fb08 Initial revision
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parents:
diff changeset
   428
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
   429
#endif /* SDL_CDROM_OPENBSD */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
   430
/* vi: set ts=4 sw=4 expandtab: */