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Diffstat (limited to 'distrib/sdl-1.2.12/src/cdrom/beos/SDL_syscdrom.cc')
-rw-r--r--distrib/sdl-1.2.12/src/cdrom/beos/SDL_syscdrom.cc412
1 files changed, 0 insertions, 412 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/beos/SDL_syscdrom.cc b/distrib/sdl-1.2.12/src/cdrom/beos/SDL_syscdrom.cc
deleted file mode 100644
index af9094a..0000000
--- a/distrib/sdl-1.2.12/src/cdrom/beos/SDL_syscdrom.cc
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#ifdef SDL_CDROM_BEOS
-
-/* Functions for system-level CD-ROM audio control on BeOS
- (not completely implemented yet)
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include <scsi.h>
-#include <Directory.h>
-#include <Entry.h>
-#include <Path.h>
-
-#include "SDL_cdrom.h"
-extern "C" {
-#include "../SDL_syscdrom.h"
-}
-
-/* Constants to help us get at the SCSI table-of-contents info */
-#define CD_NUMTRACKS(toc) toc.toc_data[3]
-#define CD_TRACK(toc, track) (&toc.toc_data[6+(track)*8])
-#define CD_TRACK_N(toc, track) CD_TRACK(toc, track)[0]
-#define CD_TRACK_M(toc, track) CD_TRACK(toc, track)[3]
-#define CD_TRACK_S(toc, track) CD_TRACK(toc, track)[4]
-#define CD_TRACK_F(toc, track) CD_TRACK(toc, track)[5]
-
-/* Constants to help us get at the SCSI position info */
-#define POS_TRACK(pos) pos.position[6]
-#define POS_ABS_M(pos) pos.position[9]
-#define POS_ABS_S(pos) pos.position[10]
-#define POS_ABS_F(pos) pos.position[11]
-#define POS_REL_M(pos) pos.position[13]
-#define POS_REL_S(pos) pos.position[14]
-#define POS_REL_F(pos) pos.position[15]
-
-/* The maximum number of CD-ROM drives we'll detect */
-#define MAX_DRIVES 16
-
-/* A list of available CD-ROM drives */
-static char *SDL_cdlist[MAX_DRIVES];
-
-/* The system-dependent CD control functions */
-static const char *SDL_SYS_CDName(int drive);
-static int SDL_SYS_CDOpen(int drive);
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
-static int SDL_SYS_CDPause(SDL_CD *cdrom);
-static int SDL_SYS_CDResume(SDL_CD *cdrom);
-static int SDL_SYS_CDStop(SDL_CD *cdrom);
-static int SDL_SYS_CDEject(SDL_CD *cdrom);
-static void SDL_SYS_CDClose(SDL_CD *cdrom);
-int try_dir(const char *directory);
-
-
-/* Check a drive to see if it is a CD-ROM */
-static int CheckDrive(char *drive)
-{
- struct stat stbuf;
- int is_cd, cdfd;
- device_geometry info;
-
- /* If it doesn't exist, return -1 */
- if ( stat(drive, &stbuf) < 0 ) {
- return(-1);
- }
-
- /* If it does exist, verify that it's an available CD-ROM */
- is_cd = 0;
- cdfd = open(drive, 0);
- if ( cdfd >= 0 ) {
- if ( ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR ) {
- if ( info.device_type == B_CD ) {
- is_cd = 1;
- }
- }
- close(cdfd);
- } else {
- /* This can happen when the drive is open .. (?) */;
- is_cd = 1;
- }
- return(is_cd);
-}
-
-/* Add a CD-ROM drive to our list of valid drives */
-static void AddDrive(char *drive)
-{
- int i;
- size_t len;
-
- if ( SDL_numcds < MAX_DRIVES ) {
- /* Add this drive to our list */
- i = SDL_numcds;
- len = SDL_strlen(drive)+1;
- SDL_cdlist[i] = (char *)SDL_malloc(len);
- if ( SDL_cdlist[i] == NULL ) {
- SDL_OutOfMemory();
- return;
- }
- SDL_strlcpy(SDL_cdlist[i], drive, len);
- ++SDL_numcds;
-#ifdef CDROM_DEBUG
- fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
-#endif
- }
-}
-
-/* IDE bus scanning magic */
-enum {
- IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50,
-};
-struct ide_ctrl_info {
- bool ide_0_present;
- bool ide_0_master_present;
- bool ide_0_slave_present;
- int ide_0_master_type;
- int ide_0_slave_type;
- bool ide_1_present;
- bool ide_1_master_present;
- bool ide_1_slave_present;
- int ide_1_master_type;
- int ide_1_slave_type;
-};
-
-int SDL_SYS_CDInit(void)
-{
- char *SDLcdrom;
- int raw_fd;
- struct ide_ctrl_info info;
-
- /* Fill in our driver capabilities */
- SDL_CDcaps.Name = SDL_SYS_CDName;
- SDL_CDcaps.Open = SDL_SYS_CDOpen;
- SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
- SDL_CDcaps.Status = SDL_SYS_CDStatus;
- SDL_CDcaps.Play = SDL_SYS_CDPlay;
- SDL_CDcaps.Pause = SDL_SYS_CDPause;
- SDL_CDcaps.Resume = SDL_SYS_CDResume;
- SDL_CDcaps.Stop = SDL_SYS_CDStop;
- SDL_CDcaps.Eject = SDL_SYS_CDEject;
- SDL_CDcaps.Close = SDL_SYS_CDClose;
-
- /* Look in the environment for our CD-ROM drive list */
- SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
- if ( SDLcdrom != NULL ) {
- char *cdpath, *delim;
- size_t len = SDL_strlen(SDLcdrom)+1;
- cdpath = SDL_stack_alloc(char, len);
- if ( cdpath != NULL ) {
- SDL_strlcpy(cdpath, SDLcdrom, len);
- SDLcdrom = cdpath;
- do {
- delim = SDL_strchr(SDLcdrom, ':');
- if ( delim ) {
- *delim++ = '\0';
- }
- if ( CheckDrive(SDLcdrom) > 0 ) {
- AddDrive(SDLcdrom);
- }
- if ( delim ) {
- SDLcdrom = delim;
- } else {
- SDLcdrom = NULL;
- }
- } while ( SDLcdrom );
- SDL_stack_free(cdpath);
- }
-
- /* If we found our drives, there's nothing left to do */
- if ( SDL_numcds > 0 ) {
- return(0);
- }
- }
-
- /* Scan the system for CD-ROM drives */
- try_dir("/dev/disk");
- return 0;
-}
-
-
-int try_dir(const char *directory)
-{
- BDirectory dir;
- dir.SetTo(directory);
- if(dir.InitCheck() != B_NO_ERROR) {
- return false;
- }
- dir.Rewind();
- BEntry entry;
- while(dir.GetNextEntry(&entry) >= 0) {
- BPath path;
- const char *name;
- entry_ref e;
-
- if(entry.GetPath(&path) != B_NO_ERROR)
- continue;
- name = path.Path();
-
- if(entry.GetRef(&e) != B_NO_ERROR)
- continue;
-
- if(entry.IsDirectory()) {
- if(SDL_strcmp(e.name, "floppy") == 0)
- continue; /* ignore floppy (it is not silent) */
- int devfd = try_dir(name);
- if(devfd >= 0)
- return devfd;
- }
- else {
- int devfd;
- device_geometry g;
-
- if(SDL_strcmp(e.name, "raw") != 0)
- continue; /* ignore partitions */
-
- devfd = open(name, O_RDONLY);
- if(devfd < 0)
- continue;
-
- if(ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0) {
- if(g.device_type == B_CD)
- {
- AddDrive(strdup(name));
- }
- }
- close(devfd);
- }
- }
- return B_ERROR;
-}
-
-
-/* General ioctl() CD-ROM command function */
-static int SDL_SYS_CDioctl(int index, int command, void *arg)
-{
- int okay;
- int fd;
-
- okay = 0;
- fd = open(SDL_cdlist[index], 0);
- if ( fd >= 0 ) {
- if ( ioctl(fd, command, arg) == B_NO_ERROR ) {
- okay = 1;
- }
- close(fd);
- }
- return(okay ? 0 : -1);
-}
-
-static const char *SDL_SYS_CDName(int drive)
-{
- return(SDL_cdlist[drive]);
-}
-
-static int SDL_SYS_CDOpen(int drive)
-{
- return(drive);
-}
-
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
-{
- int i;
- scsi_toc toc;
-
- if ( SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0 ) {
- cdrom->numtracks = CD_NUMTRACKS(toc);
- if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
- cdrom->numtracks = SDL_MAX_TRACKS;
- }
- for ( i=0; i<=cdrom->numtracks; ++i ) {
- cdrom->track[i].id = CD_TRACK_N(toc, i);
- /* FIXME: How do we tell on BeOS? */
- cdrom->track[i].type = SDL_AUDIO_TRACK;
- cdrom->track[i].offset = MSF_TO_FRAMES(
- CD_TRACK_M(toc, i),
- CD_TRACK_S(toc, i),
- CD_TRACK_F(toc, i));
- cdrom->track[i].length = 0;
- if ( i > 0 ) {
- cdrom->track[i-1].length =
- cdrom->track[i].offset-
- cdrom->track[i-1].offset;
- }
- }
- return(0);
- } else {
- return(-1);
- }
-}
-
-/* Get CD-ROM status */
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
-{
- CDstatus status;
- int fd;
- int cur_frame;
- scsi_position pos;
-
- fd = open(SDL_cdlist[cdrom->id], 0);
- cur_frame = 0;
- if ( fd >= 0 ) {
- if ( ioctl(fd, B_SCSI_GET_POSITION, &pos) == B_NO_ERROR ) {
- cur_frame = MSF_TO_FRAMES(
- POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos));
- }
- if ( ! pos.position[1] || (pos.position[1] >= 0x13) ||
- ((pos.position[1] == 0x12) && (!pos.position[6])) ) {
- status = CD_STOPPED;
- } else
- if ( pos.position[1] == 0x11 ) {
- status = CD_PLAYING;
- } else {
- status = CD_PAUSED;
- }
- close(fd);
- } else {
- status = CD_TRAYEMPTY;
- }
- if ( position ) {
- *position = cur_frame;
- }
- return(status);
-}
-
-/* Start play */
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
-{
- int okay;
- int fd;
- scsi_play_position pos;
-
- okay = 0;
- fd = open(SDL_cdlist[cdrom->id], 0);
- if ( fd >= 0 ) {
- FRAMES_TO_MSF(start, &pos.start_m, &pos.start_s, &pos.start_f);
- FRAMES_TO_MSF(start+length, &pos.end_m, &pos.end_s, &pos.end_f);
- if ( ioctl(fd, B_SCSI_PLAY_POSITION, &pos) == B_NO_ERROR ) {
- okay = 1;
- }
- close(fd);
- }
- return(okay ? 0 : -1);
-}
-
-/* Pause play */
-static int SDL_SYS_CDPause(SDL_CD *cdrom)
-{
- return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_PAUSE_AUDIO, 0));
-}
-
-/* Resume play */
-static int SDL_SYS_CDResume(SDL_CD *cdrom)
-{
- return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_RESUME_AUDIO, 0));
-}
-
-/* Stop play */
-static int SDL_SYS_CDStop(SDL_CD *cdrom)
-{
- return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_STOP_AUDIO, 0));
-}
-
-/* Eject the CD-ROM */
-static int SDL_SYS_CDEject(SDL_CD *cdrom)
-{
- return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0));
-}
-
-/* Close the CD-ROM handle */
-static void SDL_SYS_CDClose(SDL_CD *cdrom)
-{
- close(cdrom->id);
-}
-
-void SDL_SYS_CDQuit(void)
-{
- int i;
-
- if ( SDL_numcds > 0 ) {
- for ( i=0; i<SDL_numcds; ++i ) {
- SDL_free(SDL_cdlist[i]);
- }
- SDL_numcds = 0;
- }
-}
-
-#endif /* SDL_CDROM_BEOS */
generated by cgit v1.1 at 2024-04-28 06:27:41 +0000