src/cdrom/osf/SDL_syscdrom.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 29 May 2006 04:04:35 +0000
branchSDL-1.3
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/*
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    Tru64 audio module for SDL (Simple DirectMedia Layer)
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    Copyright (C) 2003
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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 Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 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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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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#include "SDL_config.h"
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#ifdef SDL_CDROM_OSF
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/* Functions for system-level CD-ROM audio control */
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/* #define DEBUG_CDROM 1 */
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#include <sys/types.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <io/cam/cdrom.h>
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#include <io/cam/rzdisk.h>
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#include <io/common/devgetinfo.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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/* Check a drive to see if it is a CD-ROM */
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/* Caution!! Not tested. */
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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 cdfd, is_cd = 0;
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    struct mode_sel_sns_params msp;
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    struct inquiry_info inq;
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#ifdef DEBUG_CDROM
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    char *devtype[] = { "Disk", "Tape", "Printer", "Processor", "WORM",
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        "CD-ROM", "Scanner", "Optical", "Changer", "Comm", "Unknown"
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    };
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#endif
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    bzero(&msp, sizeof(msp));
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    bzero(&inq, sizeof(inq));
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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 ((cdfd = open(drive, (O_RDWR | O_NDELAY), 0)) >= 0) {
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        msp.msp_addr = (caddr_t) & inq;
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        msp.msp_pgcode = 0;
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        msp.msp_pgctrl = 0;
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        msp.msp_length = sizeof(inq);
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        msp.msp_setps = 0;
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        if (ioctl(cdfd, SCSI_GET_INQUIRY_DATA, &msp))
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            return (0);
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#ifdef DEBUG_CDROM
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        fprintf(stderr, "Device Type: %s\n", devtype[inq.perfdt]);
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        fprintf(stderr, "Vendor: %.8s\n", inq.vndrid);
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        fprintf(stderr, "Product: %.8s\n", inq.prodid);
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        fprintf(stderr, "Revision: %.8s\n", inq.revlvl);
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#endif
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        if (inq.perfdt == DTYPE_RODIRECT)
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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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         */
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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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    /* checklist:
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     *
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     * Tru64 5.X (/dev/rdisk/cdrom?c)
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     * dir: /dev/rdisk, name: cdrom
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     *
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     * Digital UNIX 4.0X (/dev/rrz?c)
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     * dir: /dev, name: rrz
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     *
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     */
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    struct
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    {
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        char *dir;
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        char *name;
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    } checklist[] = {
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        {
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        "/dev/rdisk", "cdrom"}, {
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        "/dev", "rrz"}, {
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    NULL, NULL}};
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    char drive[32];
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    char *SDLcdrom;
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    int i, j, exists;
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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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                }
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                if (delim) {
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                    SDLcdrom = delim;
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                } else {
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                    SDLcdrom = NULL;
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                }
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            }
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            while (SDLcdrom);
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            SDL_stack_free(cdpath);
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        }
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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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        }
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    }
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    /* Scan the system for CD-ROM drives */
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    for (i = 0; checklist[i].dir; ++i) {
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        DIR *devdir;
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        struct dirent *devent;
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        int name_len;
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        devdir = opendir(checklist[i].dir);
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        if (devdir) {
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            name_len = SDL_strlen(checklist[i].name);
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            while (devent = readdir(devdir))
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                if (SDL_memcmp
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                    (checklist[i].name, devent->d_name, name_len) == 0)
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                    if (devent->d_name[devent->d_namlen - 1] == 'c') {
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                        SDL_snprintf(drive, SDL_arraysize(drive),
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                                     "%s/%s", checklist[i].dir,
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                                     devent->d_name);
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#ifdef DEBUG_CDROM
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                        fprintf(stderr, "Try to add drive: %s\n", drive);
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#endif
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                        if (CheckDrive(drive, &stbuf) > 0)
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                            AddDrive(drive, &stbuf);
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                    }
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            closedir(devdir);
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        } else {
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#ifdef DEBUG_CDROM
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            fprintf(stderr, "cannot open dir: %s\n", checklist[i].dir);
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#endif
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        }
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    }
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    return (0);
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}
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static const char *
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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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{
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    /* O_RDWR: To use ioctl(fd, SCSI_STOP_UNIT) */
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    return (open(SDL_cdlist[drive], (O_RDWR | O_NDELAY), 0));
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}
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   256
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static int
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SDL_SYS_CDGetTOC(SDL_CD * cdrom)
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{
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    struct cd_toc toc;
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   261
    struct cd_toc_header hdr;
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   262
    struct cd_toc_entry *cdte;
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   263
    int i;
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   264
    int okay = 0;
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   265
    if (ioctl(cdrom->id, CDROM_TOC_HEADER, &hdr)) {
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        fprintf(stderr, "ioctl error CDROM_TOC_HEADER\n");
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   267
        return -1;
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   268
    }
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    cdrom->numtracks = hdr.th_ending_track - hdr.th_starting_track + 1;
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    if (cdrom->numtracks > SDL_MAX_TRACKS) {
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        cdrom->numtracks = SDL_MAX_TRACKS;
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    }
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#ifdef DEBUG_CDROM
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   274
    fprintf(stderr, "hdr.th_data_len1 = %d\n", hdr.th_data_len1);
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    fprintf(stderr, "hdr.th_data_len0 = %d\n", hdr.th_data_len0);
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    fprintf(stderr, "hdr.th_starting_track = %d\n", hdr.th_starting_track);
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    fprintf(stderr, "hdr.th_ending_track = %d\n", hdr.th_ending_track);
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   278
    fprintf(stderr, "cdrom->numtracks = %d\n", cdrom->numtracks);
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   279
#endif
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   280
    toc.toc_address_format = CDROM_LBA_FORMAT;
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   281
    toc.toc_starting_track = 0;
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   282
    toc.toc_alloc_length = (hdr.th_data_len1 << 8) +
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        hdr.th_data_len0 + sizeof(hdr);
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   284
    if ((toc.toc_buffer = alloca(toc.toc_alloc_length)) == NULL) {
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   285
        fprintf(stderr, "cannot allocate toc.toc_buffer\n");
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        return -1;
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   287
    }
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   288
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    bzero(toc.toc_buffer, toc.toc_alloc_length);
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   290
    if (ioctl(cdrom->id, CDROM_TOC_ENTRYS, &toc)) {
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        fprintf(stderr, "ioctl error CDROM_TOC_ENTRYS\n");
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        return -1;
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   293
    }
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    cdte = (struct cd_toc_entry *) ((char *) toc.toc_buffer + sizeof(hdr));
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    for (i = 0; i <= cdrom->numtracks; ++i) {
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   297
        if (i == cdrom->numtracks) {
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   298
            cdrom->track[i].id = 0xAA;;
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   299
        } else {
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   300
            cdrom->track[i].id = hdr.th_starting_track + i;
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   301
        }
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diff changeset
   302
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        cdrom->track[i].type = cdte[i].te_control & CDROM_DATA_TRACK;
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   304
        cdrom->track[i].offset =
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diff changeset
   305
            cdte[i].te_absaddr.lba.addr3 << 24 |
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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   306
            cdte[i].te_absaddr.lba.addr2 << 16 |
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   307
            cdte[i].te_absaddr.lba.addr1 << 8 | cdte[i].te_absaddr.lba.addr0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   308
        cdrom->track[i].length = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   309
        if (i > 0) {
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   310
            cdrom->track[i - 1].length =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   311
                cdrom->track[i].offset - cdrom->track[i - 1].offset;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   312
        }
873
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
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diff changeset
   313
    }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
   314
#ifdef DEBUG_CDROM
1662
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   315
    for (i = 0; i <= cdrom->numtracks; i++) {
1668
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diff changeset
   316
        fprintf(stderr, "toc_entry[%d].te_track_number = %d\n",
4da1ee79c9af more tweaking indent options
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diff changeset
   317
                i, cdte[i].te_track_number);
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diff changeset
   318
        fprintf(stderr, "cdrom->track[%d].id = %d\n", i, cdrom->track[i].id);
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   319
        fprintf(stderr, "cdrom->track[%d].type = %x\n", i,
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diff changeset
   320
                cdrom->track[i].type);
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diff changeset
   321
        fprintf(stderr, "cdrom->track[%d].offset = %d\n", i,
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   322
                cdrom->track[i].offset);
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   323
        fprintf(stderr, "cdrom->track[%d].length = %d\n", i,
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diff changeset
   324
                cdrom->track[i].length);
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diff changeset
   325
    }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
   326
#endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   327
    if (i == (cdrom->numtracks + 1)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   328
        okay = 1;
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
   329
    }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
   330
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diff changeset
   331
    return (okay ? 0 : -1);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
   332
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
   333
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
   334
/* Get CD-ROM status */
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   335
static CDstatus
1668
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diff changeset
   336
SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
   337
{
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   338
    CDstatus status;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   339
    struct cd_sub_channel sc;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   340
    struct cd_subc_channel_data scd;
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
   341
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
    sc.sch_address_format = CDROM_LBA_FORMAT;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   343
    sc.sch_data_format = CDROM_CURRENT_POSITION;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   344
    sc.sch_track_number = 0;
1668
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diff changeset
   345
    sc.sch_alloc_length = sizeof(scd);
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   346
    sc.sch_buffer = (caddr_t) & scd;
1668
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diff changeset
   347
    if (ioctl(cdrom->id, CDROM_READ_SUBCHANNEL, &sc)) {
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
   348
        status = CD_ERROR;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   349
        fprintf(stderr, "ioctl error CDROM_READ_SUBCHANNEL \n");
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
    } else {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   351
        switch (scd.scd_header.sh_audio_status) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   352
        case AS_AUDIO_INVALID:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   353
            status = CD_STOPPED;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   354
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   355
        case AS_PLAY_IN_PROGRESS:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   356
            status = CD_PLAYING;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   357
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   358
        case AS_PLAY_PAUSED:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   359
            status = CD_PAUSED;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   360
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   361
        case AS_PLAY_COMPLETED:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   362
            status = CD_STOPPED;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   363
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   364
        case AS_PLAY_ERROR:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   365
            status = CD_ERROR;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   366
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   367
        case AS_NO_STATUS:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   368
            status = CD_STOPPED;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   369
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   370
        default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   371
            status = CD_ERROR;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   372
            break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   373
        }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
#ifdef DEBUG_CDROM
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   375
        fprintf(stderr, "scd.scd_header.sh_audio_status = %x\n",
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   376
                scd.scd_header.sh_audio_status);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
#endif
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
    }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
    if (position) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   380
        if (status == CD_PLAYING || (status == CD_PAUSED)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   381
            *position =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   382
                scd.scd_position_data.scp_absaddr.lba.addr3 << 24 |
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   383
                scd.scd_position_data.scp_absaddr.lba.addr2 << 16 |
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   384
                scd.scd_position_data.scp_absaddr.lba.addr1 << 8 |
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   385
                scd.scd_position_data.scp_absaddr.lba.addr0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   386
        } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   387
            *position = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   388
        }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
    }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   390
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
    return status;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
/* Start play */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   395
static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   396
SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
{
873
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
Sam Lantinga <slouken@libsdl.org>
parents: 654
diff changeset
   398
/*
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
Sam Lantinga <slouken@libsdl.org>
parents: 654
diff changeset
   399
 * Play MSF
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
 */
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
    struct cd_play_audio_msf msf;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
    int end;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   404
    bzero(&msf, sizeof(msf));
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   405
    end = start + length;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   406
    FRAMES_TO_MSF(start + 150,  /* LBA = 4500*M + 75*S + F - 150 */
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   407
                  &msf.msf_starting_M_unit,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   408
                  &msf.msf_starting_S_unit, &msf.msf_starting_F_unit);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   409
    FRAMES_TO_MSF(end + 150,    /* LBA = 4500*M + 75*S + F - 150 */
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   410
                  &msf.msf_ending_M_unit,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   411
                  &msf.msf_ending_S_unit, &msf.msf_ending_F_unit);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   413
    return (ioctl(cdrom->id, CDROM_PLAY_AUDIO_MSF, &msf));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
/* Pause play */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   417
static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   418
SDL_SYS_CDPause(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   420
    return (ioctl(cdrom->id, CDROM_PAUSE_PLAY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
/* Resume play */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   424
static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   425
SDL_SYS_CDResume(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   427
    return (ioctl(cdrom->id, CDROM_RESUME_PLAY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
/* Stop play */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   431
static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   432
SDL_SYS_CDStop(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   434
    return (ioctl(cdrom->id, SCSI_STOP_UNIT));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
/* Eject the CD-ROM */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   438
static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   439
SDL_SYS_CDEject(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   441
    return (ioctl(cdrom->id, CDROM_EJECT_CADDY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
/* Close the CD-ROM handle */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   445
static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   446
SDL_SYS_CDClose(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   448
    close(cdrom->id);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   451
void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   452
SDL_SYS_CDQuit(void)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
{
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
    int i;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   456
    if (SDL_numcds > 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   457
        for (i = 0; i < SDL_numcds; ++i) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
   458
            SDL_free(SDL_cdlist[i]);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   459
        }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   460
        SDL_numcds = 0;
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
    }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
}
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1438
diff changeset
   464
#endif /* SDL_CDROM_OSF */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
   465
/* vi: set ts=4 sw=4 expandtab: */