diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/cdrom/dc/SDL_syscdrom.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/cdrom/dc/SDL_syscdrom.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/cdrom/dc/SDL_syscdrom.c b/distrib/sdl-1.2.15/src/cdrom/dc/SDL_syscdrom.c new file mode 100644 index 0000000..445ad7c --- /dev/null +++ b/distrib/sdl-1.2.15/src/cdrom/dc/SDL_syscdrom.c @@ -0,0 +1,167 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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_DC + +/* Functions for system-level CD-ROM audio control */ + +#include <dc/cdrom.h> +#include <dc/spu.h> + +#include "SDL_cdrom.h" +#include "../SDL_syscdrom.h" + +/* 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 SDL_SYS_CDInit(void) +{ + /* 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; + + return(0); +} + +static const char *SDL_SYS_CDName(int drive) +{ + return "/cd"; +} + +static int SDL_SYS_CDOpen(int drive) +{ + return(drive); +} + +#define TRACK_CDDA 0 +static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) +{ + CDROM_TOC toc; + int ret,i; + + ret = cdrom_read_toc(&toc,0); + if (ret!=ERR_OK) { + return -1; + } + + cdrom->numtracks = TOC_TRACK(toc.last)-TOC_TRACK(toc.first)+1; + for(i=0;i<cdrom->numtracks;i++) { + unsigned long entry = toc.entry[i]; + cdrom->track[i].id = i+1; + cdrom->track[i].type = (TOC_CTRL(toc.entry[i])==TRACK_CDDA)?SDL_AUDIO_TRACK:SDL_DATA_TRACK; + cdrom->track[i].offset = TOC_LBA(entry)-150; + cdrom->track[i].length = TOC_LBA((i+1<toc.last)?toc.entry[i+1]:toc.leadout_sector)-TOC_LBA(entry); + } + + return 0; +} + +/* Get CD-ROM status */ +static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) +{ + int ret,dc_status,disc_type; + + ret = cdrom_get_status(&dc_status,&disc_type); + if (ret!=ERR_OK) return CD_ERROR; + + switch(dc_status) { +// case CD_STATUS_BUSY: + case CD_STATUS_PAUSED: + return CD_PAUSED; + case CD_STATUS_STANDBY: + return CD_STOPPED; + case CD_STATUS_PLAYING: + return CD_PLAYING; +// case CD_STATUS_SEEKING: +// case CD_STATUS_SCANING: + case CD_STATUS_OPEN: + case CD_STATUS_NO_DISC: + return CD_TRAYEMPTY; + default: + return CD_ERROR; + } +} + +/* Start play */ +static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) +{ + int ret = cdrom_cdda_play(start-150,start-150+length,1,CDDA_SECTORS); + return ret==ERR_OK?0:-1; +} + +/* Pause play */ +static int SDL_SYS_CDPause(SDL_CD *cdrom) +{ + int ret=cdrom_cdda_pause(); + return ret==ERR_OK?0:-1; +} + +/* Resume play */ +static int SDL_SYS_CDResume(SDL_CD *cdrom) +{ + int ret=cdrom_cdda_resume(); + return ret==ERR_OK?0:-1; +} + +/* Stop play */ +static int SDL_SYS_CDStop(SDL_CD *cdrom) +{ + int ret=cdrom_spin_down(); + return ret==ERR_OK?0:-1; +} + +/* Eject the CD-ROM */ +static int SDL_SYS_CDEject(SDL_CD *cdrom) +{ + return -1; +} + +/* Close the CD-ROM handle */ +static void SDL_SYS_CDClose(SDL_CD *cdrom) +{ +} + +void SDL_SYS_CDQuit(void) +{ + +} + +#endif /* SDL_CDROM_DC */ |