diff src/cdrom/mint/SDL_syscdrom.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 92947e3a18db
children 99210400e8b9
line wrap: on
line diff
--- a/src/cdrom/mint/SDL_syscdrom.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/cdrom/mint/SDL_syscdrom.c	Mon Jul 10 21:04:37 2006 +0000
@@ -46,11 +46,12 @@
 	 (errno == EINVAL) || (errno == ENOMEDIUM))
 
 /* The maximum number of CD-ROM drives we'll detect */
-#define MAX_DRIVES	32	
+#define MAX_DRIVES	32
 
-typedef struct {
-	unsigned char device[3];	/* Physical device letter + ':' + '\0' */
-	metaopen_t	metaopen;		/* Infos on opened drive */
+typedef struct
+{
+    unsigned char device[3];    /* Physical device letter + ':' + '\0' */
+    metaopen_t metaopen;        /* Infos on opened drive */
 } metados_drive_t;
 
 static metados_drive_t metados_drives[MAX_DRIVES];
@@ -58,260 +59,281 @@
 /* The system-dependent CD control functions */
 static const char *SDL_SYS_CDName(int drive);
 static int SDL_SYS_CDOpen(int drive);
-static void SDL_SYS_CDClose(SDL_CD *cdrom);
+static void SDL_SYS_CDClose(SDL_CD * cdrom);
 static int SDL_SYS_CDioctl(int id, int command, void *arg);
-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 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);
 
-int SDL_SYS_CDInit(void)
+int
+SDL_SYS_CDInit(void)
 {
-	metainit_t	metainit={0,0,0,0};
-	metaopen_t	metaopen;
-	int i, handle;
-	struct cdrom_subchnl info;
+    metainit_t metainit = { 0, 0, 0, 0 };
+    metaopen_t metaopen;
+    int i, handle;
+    struct cdrom_subchnl info;
 
-	Metainit(&metainit);
-	if (metainit.version == NULL) {
+    Metainit(&metainit);
+    if (metainit.version == NULL) {
 #ifdef DEBUG_CDROM
-		fprintf(stderr, "MetaDOS not installed\n");
+        fprintf(stderr, "MetaDOS not installed\n");
 #endif
-		return -1;
-	}
+        return -1;
+    }
 
-	if (metainit.drives_map == 0) {
+    if (metainit.drives_map == 0) {
 #ifdef DEBUG_CDROM
-		fprintf(stderr, "No MetaDOS devices present\n");
+        fprintf(stderr, "No MetaDOS devices present\n");
 #endif
-		return -1;
-	}
+        return -1;
+    }
+
+    SDL_numcds = 0;
 
-	SDL_numcds = 0;
-	
-	for (i='A'; i<='Z'; i++) {
-		metados_drives[SDL_numcds].device[0] = 0;
-		metados_drives[SDL_numcds].device[1] = ':';
-		metados_drives[SDL_numcds].device[2] = 0;
+    for (i = 'A'; i <= 'Z'; i++) {
+        metados_drives[SDL_numcds].device[0] = 0;
+        metados_drives[SDL_numcds].device[1] = ':';
+        metados_drives[SDL_numcds].device[2] = 0;
 
-		if (metainit.drives_map & (1<<(i-'A'))) {
-			handle = Metaopen(i, &metaopen);
-			if (handle == 0) {
+        if (metainit.drives_map & (1 << (i - 'A'))) {
+            handle = Metaopen(i, &metaopen);
+            if (handle == 0) {
 
-				info.cdsc_format = CDROM_MSF;
-				if ( (Metaioctl(i, METADOS_IOCTL_MAGIC, CDROMSUBCHNL, &info) == 0) || ERRNO_TRAYEMPTY(errno) ) {
-					metados_drives[SDL_numcds].device[0] = i;
-					++SDL_numcds;
-				}
+                info.cdsc_format = CDROM_MSF;
+                if ((Metaioctl
+                     (i, METADOS_IOCTL_MAGIC, CDROMSUBCHNL, &info) == 0)
+                    || ERRNO_TRAYEMPTY(errno)) {
+                    metados_drives[SDL_numcds].device[0] = i;
+                    ++SDL_numcds;
+                }
 
-				Metaclose(i);
-			}
-		}
-	}
+                Metaclose(i);
+            }
+        }
+    }
 
-	/* Fill in our driver capabilities */
-	SDL_CDcaps.Name = SDL_SYS_CDName;
-	SDL_CDcaps.Open = SDL_SYS_CDOpen;
-	SDL_CDcaps.Close = SDL_SYS_CDClose;
+    /* Fill in our driver capabilities */
+    SDL_CDcaps.Name = SDL_SYS_CDName;
+    SDL_CDcaps.Open = SDL_SYS_CDOpen;
+    SDL_CDcaps.Close = SDL_SYS_CDClose;
 
-	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.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;
 
-	return 0;
+    return 0;
 }
 
-void SDL_SYS_CDQuit(void)
+void
+SDL_SYS_CDQuit(void)
 {
-	SDL_numcds = 0;
+    SDL_numcds = 0;
+}
+
+static const char *
+SDL_SYS_CDName(int drive)
+{
+    return (metados_drives[drive].device);
 }
 
-static const char *SDL_SYS_CDName(int drive)
+static int
+SDL_SYS_CDOpen(int drive)
 {
-	return(metados_drives[drive].device);
+    int handle;
+
+    handle =
+        Metaopen(metados_drives[drive].device[0],
+                 &(metados_drives[drive].metaopen));
+    if (handle == 0) {
+        return drive;
+    }
+
+    return -1;
 }
 
-static int SDL_SYS_CDOpen(int drive)
+static void
+SDL_SYS_CDClose(SDL_CD * cdrom)
 {
-	int handle;
-
-	handle = Metaopen(metados_drives[drive].device[0], &(metados_drives[drive].metaopen));
-	if (handle == 0) {
-		return drive;
-	}
-
-	return -1;
+    Metaclose(metados_drives[cdrom->id].device[0]);
 }
 
-static void SDL_SYS_CDClose(SDL_CD *cdrom)
-{
-	Metaclose(metados_drives[cdrom->id].device[0]);
-}
-
-static int SDL_SYS_CDioctl(int id, int command, void *arg)
+static int
+SDL_SYS_CDioctl(int id, int command, void *arg)
 {
-	int retval;
+    int retval;
 
-	retval = Metaioctl(metados_drives[id].device[0], METADOS_IOCTL_MAGIC, command, arg);
-	if ( retval < 0 ) {
-		SDL_SetError("ioctl() error: %s", strerror(errno));
-	}
-	return(retval);
+    retval =
+        Metaioctl(metados_drives[id].device[0], METADOS_IOCTL_MAGIC, command,
+                  arg);
+    if (retval < 0) {
+        SDL_SetError("ioctl() error: %s", strerror(errno));
+    }
+    return (retval);
 }
 
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
+static int
+SDL_SYS_CDGetTOC(SDL_CD * cdrom)
 {
-	int i,okay;
-	struct cdrom_tochdr toc;
-	struct cdrom_tocentry entry;
+    int i, okay;
+    struct cdrom_tochdr toc;
+    struct cdrom_tocentry entry;
 
-	/* Use standard ioctl() */	
-	if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)<0) {
-		return -1;
-	}
+    /* Use standard ioctl() */
+    if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc) < 0) {
+        return -1;
+    }
 
-	cdrom->numtracks = toc.cdth_trk1-toc.cdth_trk0+1;
-	if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
-		cdrom->numtracks = SDL_MAX_TRACKS;
-	}
+    cdrom->numtracks = toc.cdth_trk1 - toc.cdth_trk0 + 1;
+    if (cdrom->numtracks > SDL_MAX_TRACKS) {
+        cdrom->numtracks = SDL_MAX_TRACKS;
+    }
 
-	/* Read all the track TOC entries */
-	okay=1;
-	for ( i=0; i<=cdrom->numtracks; ++i ) {
-		if ( i == cdrom->numtracks ) {
-			cdrom->track[i].id = CDROM_LEADOUT;
-		} else {
-			cdrom->track[i].id = toc.cdth_trk0+i;
-		}
-		entry.cdte_track = cdrom->track[i].id;
-		entry.cdte_format = CDROM_MSF;
-		if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, &entry) < 0 ) {
-			okay=0;
-			break;
-		} else {
-			if ( entry.cdte_ctrl & CDROM_DATA_TRACK ) {
-				cdrom->track[i].type = SDL_DATA_TRACK;
-			} else {
-				cdrom->track[i].type = SDL_AUDIO_TRACK;
-			}
-			cdrom->track[i].offset = MSF_TO_FRAMES(
-				entry.cdte_addr.msf.minute,
-				entry.cdte_addr.msf.second,
-				entry.cdte_addr.msf.frame);
-				cdrom->track[i].length = 0;
-			if ( i > 0 ) {
-				cdrom->track[i-1].length = cdrom->track[i].offset-cdrom->track[i-1].offset;
-			}
-		}
-	}
+    /* Read all the track TOC entries */
+    okay = 1;
+    for (i = 0; i <= cdrom->numtracks; ++i) {
+        if (i == cdrom->numtracks) {
+            cdrom->track[i].id = CDROM_LEADOUT;
+        } else {
+            cdrom->track[i].id = toc.cdth_trk0 + i;
+        }
+        entry.cdte_track = cdrom->track[i].id;
+        entry.cdte_format = CDROM_MSF;
+        if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, &entry) < 0) {
+            okay = 0;
+            break;
+        } else {
+            if (entry.cdte_ctrl & CDROM_DATA_TRACK) {
+                cdrom->track[i].type = SDL_DATA_TRACK;
+            } else {
+                cdrom->track[i].type = SDL_AUDIO_TRACK;
+            }
+            cdrom->track[i].offset =
+                MSF_TO_FRAMES(entry.cdte_addr.msf.minute,
+                              entry.cdte_addr.msf.second,
+                              entry.cdte_addr.msf.frame);
+            cdrom->track[i].length = 0;
+            if (i > 0) {
+                cdrom->track[i - 1].length =
+                    cdrom->track[i].offset - cdrom->track[i - 1].offset;
+            }
+        }
+    }
 
-	return(okay ? 0 : -1);
+    return (okay ? 0 : -1);
 }
 
 /* Get CD-ROM status */
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
+static CDstatus
+SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
 {
-	CDstatus status;
-	struct cdrom_tochdr toc;
-	struct cdrom_subchnl info;
+    CDstatus status;
+    struct cdrom_tochdr toc;
+    struct cdrom_subchnl info;
 
-	info.cdsc_format = CDROM_MSF;
-	if ( SDL_SYS_CDioctl(cdrom->id, CDROMSUBCHNL, &info) < 0 ) {
-		if ( ERRNO_TRAYEMPTY(errno) ) {
-			status = CD_TRAYEMPTY;
-		} else {
-			status = CD_ERROR;
-		}
-	} else {
-		switch (info.cdsc_audiostatus) {
-			case CDROM_AUDIO_INVALID:
-			case CDROM_AUDIO_NO_STATUS:
-				/* Try to determine if there's a CD available */
-				if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)==0) {
-					status = CD_STOPPED;
-				} else {
-					status = CD_TRAYEMPTY;
-				}
-				break;
-			case CDROM_AUDIO_COMPLETED:
-				status = CD_STOPPED;
-				break;
-			case CDROM_AUDIO_PLAY:
-				status = CD_PLAYING;
-				break;
-			case CDROM_AUDIO_PAUSED:
-				/* Workaround buggy CD-ROM drive */
-				if ( info.cdsc_trk == CDROM_LEADOUT ) {
-					status = CD_STOPPED;
-				} else {
-					status = CD_PAUSED;
-				}
-				break;
-			default:
-				status = CD_ERROR;
-				break;
-		}
-	}
-	if ( position ) {
-		if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
-			*position = MSF_TO_FRAMES(
-					info.cdsc_absaddr.msf.minute,
-					info.cdsc_absaddr.msf.second,
-					info.cdsc_absaddr.msf.frame);
-		} else {
-			*position = 0;
-		}
-	}
-	return(status);
+    info.cdsc_format = CDROM_MSF;
+    if (SDL_SYS_CDioctl(cdrom->id, CDROMSUBCHNL, &info) < 0) {
+        if (ERRNO_TRAYEMPTY(errno)) {
+            status = CD_TRAYEMPTY;
+        } else {
+            status = CD_ERROR;
+        }
+    } else {
+        switch (info.cdsc_audiostatus) {
+        case CDROM_AUDIO_INVALID:
+        case CDROM_AUDIO_NO_STATUS:
+            /* Try to determine if there's a CD available */
+            if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc) == 0) {
+                status = CD_STOPPED;
+            } else {
+                status = CD_TRAYEMPTY;
+            }
+            break;
+        case CDROM_AUDIO_COMPLETED:
+            status = CD_STOPPED;
+            break;
+        case CDROM_AUDIO_PLAY:
+            status = CD_PLAYING;
+            break;
+        case CDROM_AUDIO_PAUSED:
+            /* Workaround buggy CD-ROM drive */
+            if (info.cdsc_trk == CDROM_LEADOUT) {
+                status = CD_STOPPED;
+            } else {
+                status = CD_PAUSED;
+            }
+            break;
+        default:
+            status = CD_ERROR;
+            break;
+        }
+    }
+    if (position) {
+        if (status == CD_PLAYING || (status == CD_PAUSED)) {
+            *position = MSF_TO_FRAMES(info.cdsc_absaddr.msf.minute,
+                                      info.cdsc_absaddr.msf.second,
+                                      info.cdsc_absaddr.msf.frame);
+        } else {
+            *position = 0;
+        }
+    }
+    return (status);
 }
 
 /* Start play */
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
+static int
+SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
 {
-	struct cdrom_msf playtime;
+    struct cdrom_msf playtime;
 
-	FRAMES_TO_MSF(start,
-	   &playtime.cdmsf_min0, &playtime.cdmsf_sec0, &playtime.cdmsf_frame0);
-	FRAMES_TO_MSF(start+length,
-	   &playtime.cdmsf_min1, &playtime.cdmsf_sec1, &playtime.cdmsf_frame1);
+    FRAMES_TO_MSF(start,
+                  &playtime.cdmsf_min0, &playtime.cdmsf_sec0,
+                  &playtime.cdmsf_frame0);
+    FRAMES_TO_MSF(start + length, &playtime.cdmsf_min1, &playtime.cdmsf_sec1,
+                  &playtime.cdmsf_frame1);
 #ifdef DEBUG_CDROM
-  fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
-	playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
-	playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
+    fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
+            playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
+            playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
 #endif
 
-	return SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime);
+    return SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime);
 }
 
 /* Pause play */
-static int SDL_SYS_CDPause(SDL_CD *cdrom)
+static int
+SDL_SYS_CDPause(SDL_CD * cdrom)
 {
-	return SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0);
+    return SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0);
 }
 
 /* Resume play */
-static int SDL_SYS_CDResume(SDL_CD *cdrom)
+static int
+SDL_SYS_CDResume(SDL_CD * cdrom)
 {
-	return SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0);
+    return SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0);
 }
 
 /* Stop play */
-static int SDL_SYS_CDStop(SDL_CD *cdrom)
+static int
+SDL_SYS_CDStop(SDL_CD * cdrom)
 {
-	return SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0);
+    return SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0);
 }
 
 /* Eject the CD-ROM */
-static int SDL_SYS_CDEject(SDL_CD *cdrom)
+static int
+SDL_SYS_CDEject(SDL_CD * cdrom)
 {
-	return SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0);
+    return SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0);
 }
 
 #endif /* SDL_CDROM_MINT */
+/* vi: set ts=4 sw=4 expandtab: */