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Diffstat (limited to 'distrib/sdl-1.2.12/src/cdrom/SDL_cdrom.c')
-rw-r--r--distrib/sdl-1.2.12/src/cdrom/SDL_cdrom.c341
1 files changed, 0 insertions, 341 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/SDL_cdrom.c b/distrib/sdl-1.2.12/src/cdrom/SDL_cdrom.c
deleted file mode 100644
index e842b5a..0000000
--- a/distrib/sdl-1.2.12/src/cdrom/SDL_cdrom.c
+++ /dev/null
@@ -1,341 +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"
-
-/* This is the CD-audio control API for Simple DirectMedia Layer */
-
-#include "SDL_cdrom.h"
-#include "SDL_syscdrom.h"
-
-#if !defined(__MACOS__)
-#define CLIP_FRAMES 10 /* Some CD-ROMs won't go all the way */
-#endif
-
-static int SDL_cdinitted = 0;
-static SDL_CD *default_cdrom;
-
-/* The system level CD-ROM control functions */
-struct CDcaps SDL_CDcaps = {
- NULL, /* Name */
- NULL, /* Open */
- NULL, /* GetTOC */
- NULL, /* Status */
- NULL, /* Play */
- NULL, /* Pause */
- NULL, /* Resume */
- NULL, /* Stop */
- NULL, /* Eject */
- NULL, /* Close */
-};
-int SDL_numcds;
-
-int SDL_CDROMInit(void)
-{
- int retval;
-
- SDL_numcds = 0;
- retval = SDL_SYS_CDInit();
- if ( retval == 0 ) {
- SDL_cdinitted = 1;
- }
- default_cdrom = NULL;
- return(retval);
-}
-
-/* Check to see if the CD-ROM subsystem has been initialized */
-static int CheckInit(int check_cdrom, SDL_CD **cdrom)
-{
- int okay;
-
- okay = SDL_cdinitted;
- if ( check_cdrom && (*cdrom == NULL) ) {
- *cdrom = default_cdrom;
- if ( *cdrom == NULL ) {
- SDL_SetError("CD-ROM not opened");
- okay = 0;
- }
- }
- if ( ! SDL_cdinitted ) {
- SDL_SetError("CD-ROM subsystem not initialized");
- }
- return(okay);
-}
-
-int SDL_CDNumDrives(void)
-{
- if ( ! CheckInit(0, NULL) ) {
- return(-1);
- }
- return(SDL_numcds);
-}
-
-const char *SDL_CDName(int drive)
-{
- if ( ! CheckInit(0, NULL) ) {
- return(NULL);
- }
- if ( drive >= SDL_numcds ) {
- SDL_SetError("Invalid CD-ROM drive index");
- return(NULL);
- }
- if ( SDL_CDcaps.Name ) {
- return(SDL_CDcaps.Name(drive));
- } else {
- return("");
- }
-}
-
-SDL_CD *SDL_CDOpen(int drive)
-{
- struct SDL_CD *cdrom;
-
- if ( ! CheckInit(0, NULL) ) {
- return(NULL);
- }
- if ( drive >= SDL_numcds ) {
- SDL_SetError("Invalid CD-ROM drive index");
- return(NULL);
- }
- cdrom = (SDL_CD *)SDL_malloc(sizeof(*cdrom));
- if ( cdrom == NULL ) {
- SDL_OutOfMemory();
- return(NULL);
- }
- SDL_memset(cdrom, 0, sizeof(*cdrom));
- cdrom->id = SDL_CDcaps.Open(drive);
- if ( cdrom->id < 0 ) {
- SDL_free(cdrom);
- return(NULL);
- }
- default_cdrom = cdrom;
- return(cdrom);
-}
-
-CDstatus SDL_CDStatus(SDL_CD *cdrom)
-{
- CDstatus status;
- int i;
- Uint32 position;
-
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- /* Get the current status of the drive */
- cdrom->numtracks = 0;
- cdrom->cur_track = 0;
- cdrom->cur_frame = 0;
- status = SDL_CDcaps.Status(cdrom, &i);
- position = (Uint32)i;
- cdrom->status = status;
-
- /* Get the table of contents, if there's a CD available */
- if ( CD_INDRIVE(status) ) {
- if ( SDL_CDcaps.GetTOC(cdrom) < 0 ) {
- status = CD_ERROR;
- }
- /* If the drive is playing, get current play position */
- if ( (status == CD_PLAYING) || (status == CD_PAUSED) ) {
- for ( i=1; cdrom->track[i].offset <= position; ++i ) {
- /* Keep looking */;
- }
-#ifdef DEBUG_CDROM
- fprintf(stderr, "Current position: %d, track = %d (offset is %d)\n",
- position, i-1, cdrom->track[i-1].offset);
-#endif
- cdrom->cur_track = i-1;
- position -= cdrom->track[cdrom->cur_track].offset;
- cdrom->cur_frame = position;
- }
- }
- return(status);
-}
-
-int SDL_CDPlayTracks(SDL_CD *cdrom,
- int strack, int sframe, int ntracks, int nframes)
-{
- int etrack, eframe;
- int start, length;
-
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- /* Determine the starting and ending tracks */
- if ( (strack < 0) || (strack >= cdrom->numtracks) ) {
- SDL_SetError("Invalid starting track");
- return(CD_ERROR);
- }
- if ( ! ntracks && ! nframes ) {
- etrack = cdrom->numtracks;
- eframe = 0;
- } else {
- etrack = strack+ntracks;
- if ( etrack == strack ) {
- eframe = sframe + nframes;
- } else {
- eframe = nframes;
- }
- }
- if ( etrack > cdrom->numtracks ) {
- SDL_SetError("Invalid play length");
- return(CD_ERROR);
- }
-
- /* Skip data tracks and verify frame offsets */
- while ( (strack <= etrack) &&
- (cdrom->track[strack].type == SDL_DATA_TRACK) ) {
- ++strack;
- }
- if ( sframe >= (int)cdrom->track[strack].length ) {
- SDL_SetError("Invalid starting frame for track %d", strack);
- return(CD_ERROR);
- }
- while ( (etrack > strack) &&
- (cdrom->track[etrack-1].type == SDL_DATA_TRACK) ) {
- --etrack;
- }
- if ( eframe > (int)cdrom->track[etrack].length ) {
- SDL_SetError("Invalid ending frame for track %d", etrack);
- return(CD_ERROR);
- }
-
- /* Determine start frame and play length */
- start = (cdrom->track[strack].offset+sframe);
- length = (cdrom->track[etrack].offset+eframe)-start;
-#ifdef CLIP_FRAMES
- /* I've never seen this necessary, but xmcd does it.. */
- length -= CLIP_FRAMES; /* CLIP_FRAMES == 10 */
-#endif
- if ( length < 0 ) {
- return(0);
- }
-
- /* Play! */
-#ifdef DEBUG_CDROM
- fprintf(stderr, "Playing %d frames at offset %d\n", length, start);
-#endif
- return(SDL_CDcaps.Play(cdrom, start, length));
-}
-
-int SDL_CDPlay(SDL_CD *cdrom, int sframe, int length)
-{
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- return(SDL_CDcaps.Play(cdrom, sframe, length));
-}
-
-int SDL_CDPause(SDL_CD *cdrom)
-{
- CDstatus status;
- int retval;
-
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- status = SDL_CDcaps.Status(cdrom, NULL);
- switch (status) {
- case CD_PLAYING:
- retval = SDL_CDcaps.Pause(cdrom);
- break;
- default:
- retval = 0;
- break;
- }
- return(retval);
-}
-
-int SDL_CDResume(SDL_CD *cdrom)
-{
- CDstatus status;
- int retval;
-
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- status = SDL_CDcaps.Status(cdrom, NULL);
- switch (status) {
- case CD_PAUSED:
- retval = SDL_CDcaps.Resume(cdrom);
- default:
- retval = 0;
- break;
- }
- return(retval);
-}
-
-int SDL_CDStop(SDL_CD *cdrom)
-{
- CDstatus status;
- int retval;
-
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
-
- status = SDL_CDcaps.Status(cdrom, NULL);
- switch (status) {
- case CD_PLAYING:
- case CD_PAUSED:
- retval = SDL_CDcaps.Stop(cdrom);
- default:
- retval = 0;
- break;
- }
- return(retval);
-}
-
-int SDL_CDEject(SDL_CD *cdrom)
-{
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return(CD_ERROR);
- }
- return(SDL_CDcaps.Eject(cdrom));
-}
-
-void SDL_CDClose(SDL_CD *cdrom)
-{
- /* Check if the CD-ROM subsystem has been initialized */
- if ( ! CheckInit(1, &cdrom) ) {
- return;
- }
- SDL_CDcaps.Close(cdrom);
- SDL_free(cdrom);
- default_cdrom = NULL;
-}
-
-void SDL_CDROMQuit(void)
-{
- SDL_SYS_CDQuit();
- SDL_cdinitted = 0;
-}