Mercurial > sdl-ios-xcode
diff src/cdrom/qnx/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 | e27bdcc80744 |
line wrap: on
line diff
--- a/src/cdrom/qnx/SDL_syscdrom.c Thu Jul 06 18:01:37 2006 +0000 +++ b/src/cdrom/qnx/SDL_syscdrom.c Mon Jul 10 21:04:37 2006 +0000 @@ -46,80 +46,76 @@ /* A list of available CD-ROM drives */ static char *SDL_cdlist[MAX_DRIVES]; static dev_t SDL_cdmode[MAX_DRIVES]; -static int SDL_cdopen[MAX_DRIVES]; +static int SDL_cdopen[MAX_DRIVES]; /* The system-dependent CD control functions */ static const char *SDL_SYS_CDName(int drive); static int SDL_SYS_CDOpen(int drive); -static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); -static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); -static int SDL_SYS_CDPause(SDL_CD *cdrom); -static int SDL_SYS_CDResume(SDL_CD *cdrom); -static int SDL_SYS_CDStop(SDL_CD *cdrom); -static int SDL_SYS_CDEject(SDL_CD *cdrom); -static void SDL_SYS_CDClose(SDL_CD *cdrom); +static int SDL_SYS_CDGetTOC(SDL_CD * cdrom); +static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position); +static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length); +static int SDL_SYS_CDPause(SDL_CD * cdrom); +static int SDL_SYS_CDResume(SDL_CD * cdrom); +static int SDL_SYS_CDStop(SDL_CD * cdrom); +static int SDL_SYS_CDEject(SDL_CD * cdrom); +static void SDL_SYS_CDClose(SDL_CD * cdrom); /* Check a drive to see if it is a CD-ROM */ -static int CheckDrive(char *drive, struct stat *stbuf) +static int +CheckDrive(char *drive, struct stat *stbuf) { int is_cd, cdfd; cam_devinfo_t dinfo; - int devctlret=0; + int devctlret = 0; int atapi; int removable; int cdb10; /* If it doesn't exist, return -1 */ - if (stat(drive, stbuf) < 0) - { - return(-1); + if (stat(drive, stbuf) < 0) { + return (-1); } /* If it does exist, verify that it's an available CD-ROM */ is_cd = 0; - if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode)) - { + if (S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode)) { cdfd = open(drive, QNX_CD_OPENMODE); - if ( cdfd >= 0 ) - { - devctlret=devctl(cdfd, DCMD_CAM_DEVINFO, &dinfo, sizeof(cam_devinfo_t), NULL); + if (cdfd >= 0) { + devctlret = + devctl(cdfd, DCMD_CAM_DEVINFO, &dinfo, + sizeof(cam_devinfo_t), NULL); - if (devctlret==EOK) - { - atapi=dinfo.flags & DEV_ATAPI; - removable=dinfo.flags & DEV_REMOVABLE; - cdb10=dinfo.flags & DEV_CDB_10; /* I'm not sure about that flag */ + if (devctlret == EOK) { + atapi = dinfo.flags & DEV_ATAPI; + removable = dinfo.flags & DEV_REMOVABLE; + cdb10 = dinfo.flags & DEV_CDB_10; /* I'm not sure about that flag */ - /* in the near future need to add more checks for splitting cdroms from other devices */ - if ((atapi)&&(removable)) - { - is_cd = 1; - } + /* in the near future need to add more checks for splitting cdroms from other devices */ + if ((atapi) && (removable)) { + is_cd = 1; + } } close(cdfd); } } - return(is_cd); + return (is_cd); } /* Add a CD-ROM drive to our list of valid drives */ -static void AddDrive(char *drive, struct stat *stbuf) +static void +AddDrive(char *drive, struct stat *stbuf) { int i; - if (SDL_numcds < MAX_DRIVES) - { + if (SDL_numcds < MAX_DRIVES) { /* Check to make sure it's not already in our list. - This can happen when we see a drive via symbolic link. */ + This can happen when we see a drive via symbolic link. */ - for (i=0; i<SDL_numcds; ++i) - { - if (stbuf->st_rdev == SDL_cdmode[i]) - { + for (i = 0; i < SDL_numcds; ++i) { + if (stbuf->st_rdev == SDL_cdmode[i]) { return; } } @@ -128,8 +124,7 @@ i = SDL_numcds; SDL_cdlist[i] = SDL_strdup(drive); - if (SDL_cdlist[i] == NULL) - { + if (SDL_cdlist[i] == NULL) { SDL_OutOfMemory(); return; } @@ -138,10 +133,12 @@ } } -int SDL_SYS_CDInit(void) +int +SDL_SYS_CDInit(void) { /* checklist: /dev/cdrom, /dev/cd?, /dev/scd? */ - static char *checklist[]={"cdrom", "?0 cd?", "?1 cd?", "?0 scd?", NULL}; + static char *checklist[] = + { "cdrom", "?0 cd?", "?1 cd?", "?0 scd?", NULL }; char *SDLcdrom; int i, j, exists; @@ -161,150 +158,132 @@ SDL_CDcaps.Close = SDL_SYS_CDClose; /* clearing device open status */ - for (i=0; i<MAX_DRIVES; i++) - { - SDL_cdopen[i]=0; + for (i = 0; i < MAX_DRIVES; i++) { + SDL_cdopen[i] = 0; } /* Look in the environment for our CD-ROM drive list */ - SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ - if ( SDLcdrom != NULL ) - { + SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ + if (SDLcdrom != NULL) { char *cdpath, *delim; - size_t len = SDL_strlen(SDLcdrom)+1; + size_t len = SDL_strlen(SDLcdrom) + 1; cdpath = SDL_stack_alloc(char, len); - if (cdpath != NULL) - { + if (cdpath != NULL) { SDL_strlcpy(cdpath, SDLcdrom, len); SDLcdrom = cdpath; do { delim = SDL_strchr(SDLcdrom, ':'); - if (delim) - { + if (delim) { *delim++ = '\0'; } - if (CheckDrive(SDLcdrom, &stbuf) > 0) - { + if (CheckDrive(SDLcdrom, &stbuf) > 0) { AddDrive(SDLcdrom, &stbuf); } - if (delim) - { + if (delim) { SDLcdrom = delim; - } - else - { + } else { SDLcdrom = NULL; } - } while (SDLcdrom); + } + while (SDLcdrom); SDL_stack_free(cdpath); } /* If we found our drives, there's nothing left to do */ - if (SDL_numcds > 0) - { - return(0); + if (SDL_numcds > 0) { + return (0); } } /* Scan the system for CD-ROM drives */ - for ( i=0; checklist[i]; ++i ) - { - if (checklist[i][0] == '?') - { - char* insert; + for (i = 0; checklist[i]; ++i) { + if (checklist[i][0] == '?') { + char *insert; exists = 1; - for ( j=checklist[i][1]; exists; ++j ) - { - SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", &checklist[i][3]); + for (j = checklist[i][1]; exists; ++j) { + SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", + &checklist[i][3]); insert = SDL_strchr(drive, '?'); - if (insert != NULL) - { + if (insert != NULL) { *insert = j; } - switch (CheckDrive(drive, &stbuf)) - { + switch (CheckDrive(drive, &stbuf)) { /* Drive exists and is a CD-ROM */ - case 1: - AddDrive(drive, &stbuf); - break; + case 1: + AddDrive(drive, &stbuf); + break; /* Drive exists, but isn't a CD-ROM */ - case 0: - break; + case 0: + break; /* Drive doesn't exist */ - case -1: - exists = 0; - break; + case -1: + exists = 0; + break; } } - } - else - { - SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]); - if (CheckDrive(drive, &stbuf) > 0) - { + } else { + SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", + checklist[i]); + if (CheckDrive(drive, &stbuf) > 0) { AddDrive(drive, &stbuf); } } } - return(0); + return (0); } -static const char *SDL_SYS_CDName(int drive) +static const char * +SDL_SYS_CDName(int drive) { - return(SDL_cdlist[drive]); + return (SDL_cdlist[drive]); } -static int SDL_SYS_CDOpen(int drive) +static int +SDL_SYS_CDOpen(int drive) { int handle; - handle=open(SDL_cdlist[drive], QNX_CD_OPENMODE); + handle = open(SDL_cdlist[drive], QNX_CD_OPENMODE); - if (handle>0) - { - SDL_cdopen[drive]=handle; + if (handle > 0) { + SDL_cdopen[drive] = handle; } return (handle); } -static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) +static int +SDL_SYS_CDGetTOC(SDL_CD * cdrom) { cdrom_read_toc_t toc; int i, okay; okay = 0; - if (devctl(cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), NULL) == 0) - { + if (devctl(cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), NULL) == + 0) { cdrom->numtracks = toc.last_track - toc.first_track + 1; - if (cdrom->numtracks > SDL_MAX_TRACKS) - { + if (cdrom->numtracks > SDL_MAX_TRACKS) { cdrom->numtracks = SDL_MAX_TRACKS; } /* Read all the track TOC entries */ - for (i=0; i<=cdrom->numtracks; ++i) - { - if (i == cdrom->numtracks) - { + for (i = 0; i <= cdrom->numtracks; ++i) { + if (i == cdrom->numtracks) { cdrom->track[i].id = CDROM_LEADOUT; - } - else - { - cdrom->track[i].id = toc.first_track+i; + } else { + cdrom->track[i].id = toc.first_track + i; } cdrom->track[i].type = toc.toc_entry[i].control_adr & 0x0F; cdrom->track[i].offset = toc.toc_entry[i].addr.lba; cdrom->track[i].length = 0; - if (i > 0) - { - cdrom->track[i-1].length = cdrom->track[i].offset-cdrom->track[i-1].offset; + if (i > 0) { + cdrom->track[i - 1].length = + cdrom->track[i].offset - cdrom->track[i - 1].offset; } } - if (i == (cdrom->numtracks+1)) - { + if (i == (cdrom->numtracks + 1)) { okay = 1; } } @@ -312,7 +291,8 @@ } /* 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; @@ -320,22 +300,21 @@ cdrom_subch_data_t info; cam_devinfo_t dinfo; - int devctlret=0; - int drive=-1; + int devctlret = 0; + int drive = -1; int i; - int eagaincnt=0; + int eagaincnt = 0; /* check media presence before read subchannel call, some cdroms can lockups */ /* if no media, while calling read subchannel functions. */ - devctlret=devctl(cdrom->id, DCMD_CAM_DEVINFO, &dinfo, sizeof(cam_devinfo_t), NULL); + devctlret = + devctl(cdrom->id, DCMD_CAM_DEVINFO, &dinfo, sizeof(cam_devinfo_t), + NULL); - if (devctlret==EOK) - { - if ((dinfo.flags & DEV_NO_MEDIA)!=0) - { + if (devctlret == EOK) { + if ((dinfo.flags & DEV_NO_MEDIA) != 0) { status = CD_TRAYEMPTY; - if (position) - { + if (position) { *position = 0; } return (status); @@ -348,200 +327,178 @@ info.subch_command.data_format = CDROM_SUBCH_CURRENT_POSITION; do { - devctlret=devctl(cdrom->id, DCMD_CAM_CDROMSUBCHNL, &info, sizeof(info), NULL); - if (devctlret==EIO) - { + devctlret = + devctl(cdrom->id, DCMD_CAM_CDROMSUBCHNL, &info, sizeof(info), + NULL); + if (devctlret == EIO) { /* big workaround for media change, handle is unusable after that, that bug was found in QNX 6.2, 6.2.1 is not released yet. */ - for (i=0; i<MAX_DRIVES; i++) - { - if (SDL_cdopen[i]==cdrom->id) - { - drive=i; + for (i = 0; i < MAX_DRIVES; i++) { + if (SDL_cdopen[i] == cdrom->id) { + drive = i; break; } } - if (drive==-1) - { - /* that cannot happen, but ... */ - break; + if (drive == -1) { + /* that cannot happen, but ... */ + break; } close(cdrom->id); - cdrom->id=open(SDL_cdlist[drive], QNX_CD_OPENMODE); - devctlret=EAGAIN; + cdrom->id = open(SDL_cdlist[drive], QNX_CD_OPENMODE); + devctlret = EAGAIN; } - if (devctlret==EAGAIN) - { + if (devctlret == EAGAIN) { eagaincnt++; } - if (eagaincnt==2) - { + if (eagaincnt == 2) { /* workaround for broken cdroms, which can return always EAGAIN when its not ready, */ /* that mean errornous media or just no media avail */ - devctlret=ENXIO; + devctlret = ENXIO; break; } - } while ((devctlret==EAGAIN)||(devctlret==ESTALE)); - - if (devctlret != 0) - { - if (devctlret==ENXIO) - { - status = CD_TRAYEMPTY; - } - else - { - status = CD_ERROR; - } } - else - { - switch (info.current_position.header.audio_status) - { - case CDROM_AUDIO_INVALID: - case CDROM_AUDIO_NO_STATUS: - /* Try to determine if there's a CD available */ - if (devctl(cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), NULL)==0) - status = CD_STOPPED; - else - status = CD_TRAYEMPTY; - break; - case CDROM_AUDIO_COMPLETED: - status = CD_STOPPED; - break; - case CDROM_AUDIO_PLAY: - status = CD_PLAYING; - break; - case CDROM_AUDIO_PAUSED: - /* Workaround buggy CD-ROM drive */ - if (info.current_position.data_format == CDROM_LEADOUT) - { - status = CD_STOPPED; - } - else - { - status = CD_PAUSED; - } - break; - default: - status = CD_ERROR; - break; + while ((devctlret == EAGAIN) || (devctlret == ESTALE)); + + if (devctlret != 0) { + if (devctlret == ENXIO) { + status = CD_TRAYEMPTY; + } else { + status = CD_ERROR; + } + } else { + switch (info.current_position.header.audio_status) { + case CDROM_AUDIO_INVALID: + case CDROM_AUDIO_NO_STATUS: + /* Try to determine if there's a CD available */ + if (devctl + (cdrom->id, DCMD_CAM_CDROMREADTOC, &toc, sizeof(toc), + NULL) == 0) + status = CD_STOPPED; + else + status = CD_TRAYEMPTY; + break; + case CDROM_AUDIO_COMPLETED: + status = CD_STOPPED; + break; + case CDROM_AUDIO_PLAY: + status = CD_PLAYING; + break; + case CDROM_AUDIO_PAUSED: + /* Workaround buggy CD-ROM drive */ + if (info.current_position.data_format == CDROM_LEADOUT) { + status = CD_STOPPED; + } else { + status = CD_PAUSED; + } + break; + default: + status = CD_ERROR; + break; } } - if (position) - { - if (status==CD_PLAYING || (status==CD_PAUSED)) - { - *position = MSF_TO_FRAMES(info.current_position.addr.msf.minute, - info.current_position.addr.msf.second, - info.current_position.addr.msf.frame); - } - else - { - *position = 0; - } + if (position) { + if (status == CD_PLAYING || (status == CD_PAUSED)) { + *position = + MSF_TO_FRAMES(info.current_position.addr.msf.minute, + info.current_position.addr.msf.second, + info.current_position.addr.msf.frame); + } else { + *position = 0; + } } return (status); } /* Start play */ -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) +static int +SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length) { cdrom_playmsf_t playtime; - FRAMES_TO_MSF(start, &playtime.start_minute, &playtime.start_second, &playtime.start_frame); - FRAMES_TO_MSF(start+length, &playtime.end_minute, &playtime.end_second, &playtime.end_frame); + FRAMES_TO_MSF(start, &playtime.start_minute, &playtime.start_second, + &playtime.start_frame); + FRAMES_TO_MSF(start + length, &playtime.end_minute, &playtime.end_second, + &playtime.end_frame); - if (devctl(cdrom->id, DCMD_CAM_CDROMPLAYMSF, &playtime, sizeof(playtime), NULL) != 0) - { - return -1; - } - else - { - return 0; + if (devctl + (cdrom->id, DCMD_CAM_CDROMPLAYMSF, &playtime, sizeof(playtime), + NULL) != 0) { + return -1; + } else { + return 0; } } /* Pause play */ -static int SDL_SYS_CDPause(SDL_CD *cdrom) +static int +SDL_SYS_CDPause(SDL_CD * cdrom) { - if (devctl(cdrom->id, DCMD_CAM_CDROMPAUSE, NULL, 0, NULL)!=0) - { - return -1; - } - else - { - return 0; + if (devctl(cdrom->id, DCMD_CAM_CDROMPAUSE, NULL, 0, NULL) != 0) { + return -1; + } else { + return 0; } } /* Resume play */ -static int SDL_SYS_CDResume(SDL_CD *cdrom) +static int +SDL_SYS_CDResume(SDL_CD * cdrom) { - if (devctl(cdrom->id, DCMD_CAM_CDROMRESUME, NULL, 0, NULL)!=0) - { - return -1; - } - else - { - return 0; + if (devctl(cdrom->id, DCMD_CAM_CDROMRESUME, NULL, 0, NULL) != 0) { + return -1; + } else { + return 0; } } /* Stop play */ -static int SDL_SYS_CDStop(SDL_CD *cdrom) +static int +SDL_SYS_CDStop(SDL_CD * cdrom) { - if (devctl(cdrom->id, DCMD_CAM_CDROMSTOP, NULL, 0, NULL)!=0) - { - return -1; - } - else - { - return 0; + if (devctl(cdrom->id, DCMD_CAM_CDROMSTOP, NULL, 0, NULL) != 0) { + return -1; + } else { + return 0; } } /* Eject the CD-ROM */ -static int SDL_SYS_CDEject(SDL_CD *cdrom) +static int +SDL_SYS_CDEject(SDL_CD * cdrom) { - if (devctl(cdrom->id, DCMD_CAM_EJECT_MEDIA, NULL, 0, NULL)!=0) - { - return -1; - } - else - { - return 0; + if (devctl(cdrom->id, DCMD_CAM_EJECT_MEDIA, NULL, 0, NULL) != 0) { + return -1; + } else { + return 0; } } /* Close the CD-ROM handle */ -static void SDL_SYS_CDClose(SDL_CD *cdrom) +static void +SDL_SYS_CDClose(SDL_CD * cdrom) { int i; - for (i=0; i<MAX_DRIVES; i++) - { - if (SDL_cdopen[i]==cdrom->id) - { - SDL_cdopen[i]=0; - break; - } + for (i = 0; i < MAX_DRIVES; i++) { + if (SDL_cdopen[i] == cdrom->id) { + SDL_cdopen[i] = 0; + break; + } } close(cdrom->id); } -void SDL_SYS_CDQuit(void) +void +SDL_SYS_CDQuit(void) { int i; - if (SDL_numcds > 0) - { - for (i=0; i<SDL_numcds; ++i) - { + if (SDL_numcds > 0) { + for (i = 0; i < SDL_numcds; ++i) { SDL_free(SDL_cdlist[i]); } SDL_numcds = 0; @@ -549,3 +506,4 @@ } #endif /* SDL_CDROM_QNX */ +/* vi: set ts=4 sw=4 expandtab: */