Mercurial > sdl-ios-xcode
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 |
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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: */