65 static int CheckInit(int check_cdrom, SDL_CD **cdrom)  in CheckInit()  argument
70 	if ( check_cdrom && (*cdrom == NULL) ) {  in CheckInit()
71 		*cdrom = default_cdrom;  in CheckInit()
72 		if ( *cdrom == NULL ) {  in CheckInit()
109 	struct SDL_CD *cdrom;  in SDL_CDOpen()  local
118 	cdrom = (SDL_CD *)SDL_malloc(sizeof(*cdrom));  in SDL_CDOpen()
119 	if ( cdrom == NULL ) {  in SDL_CDOpen()
123 	SDL_memset(cdrom, 0, sizeof(*cdrom));  in SDL_CDOpen()
124 	cdrom->id = SDL_CDcaps.Open(drive);  in SDL_CDOpen()
125 	if ( cdrom->id < 0 ) {  in SDL_CDOpen()
126 		SDL_free(cdrom);  in SDL_CDOpen()
129 	default_cdrom = cdrom;  in SDL_CDOpen()
130 	return(cdrom);  in SDL_CDOpen()
133 CDstatus SDL_CDStatus(SDL_CD *cdrom)  in SDL_CDStatus()  argument
140 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDStatus()
145 	cdrom->numtracks = 0;  in SDL_CDStatus()
146 	cdrom->cur_track = 0;  in SDL_CDStatus()
147 	cdrom->cur_frame = 0;  in SDL_CDStatus()
148 	status = SDL_CDcaps.Status(cdrom, &i);  in SDL_CDStatus()
150 	cdrom->status = status;  in SDL_CDStatus()
154 		if ( SDL_CDcaps.GetTOC(cdrom) < 0 ) {  in SDL_CDStatus()
159 			for ( i=1; cdrom->track[i].offset <= position; ++i ) {  in SDL_CDStatus()
164 				position, i-1, cdrom->track[i-1].offset);  in SDL_CDStatus()
166 			cdrom->cur_track = i-1;  in SDL_CDStatus()
167 			position -= cdrom->track[cdrom->cur_track].offset;  in SDL_CDStatus()
168 			cdrom->cur_frame = position;  in SDL_CDStatus()
174 int SDL_CDPlayTracks(SDL_CD *cdrom,  in SDL_CDPlayTracks()  argument
181 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDPlayTracks()
186 	if ( (strack < 0) || (strack >= cdrom->numtracks) ) {  in SDL_CDPlayTracks()
191 		etrack = cdrom->numtracks;  in SDL_CDPlayTracks()
201 	if ( etrack > cdrom->numtracks ) {  in SDL_CDPlayTracks()
208 			(cdrom->track[strack].type == SDL_DATA_TRACK) ) {  in SDL_CDPlayTracks()
211 	if ( sframe >= (int)cdrom->track[strack].length ) {  in SDL_CDPlayTracks()
216 			(cdrom->track[etrack-1].type == SDL_DATA_TRACK) ) {  in SDL_CDPlayTracks()
219 	if ( eframe > (int)cdrom->track[etrack].length ) {  in SDL_CDPlayTracks()
225 	start = (cdrom->track[strack].offset+sframe);  in SDL_CDPlayTracks()
226 	length = (cdrom->track[etrack].offset+eframe)-start;  in SDL_CDPlayTracks()
239 	return(SDL_CDcaps.Play(cdrom, start, length));  in SDL_CDPlayTracks()
242 int SDL_CDPlay(SDL_CD *cdrom, int sframe, int length)  in SDL_CDPlay()  argument
245 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDPlay()
249 	return(SDL_CDcaps.Play(cdrom, sframe, length));  in SDL_CDPlay()
252 int SDL_CDPause(SDL_CD *cdrom)  in SDL_CDPause()  argument
258 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDPause()
262 	status = SDL_CDcaps.Status(cdrom, NULL);  in SDL_CDPause()
265 			retval = SDL_CDcaps.Pause(cdrom);  in SDL_CDPause()
274 int SDL_CDResume(SDL_CD *cdrom)  in SDL_CDResume()  argument
280 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDResume()
284 	status = SDL_CDcaps.Status(cdrom, NULL);  in SDL_CDResume()
287 			retval = SDL_CDcaps.Resume(cdrom);  in SDL_CDResume()
295 int SDL_CDStop(SDL_CD *cdrom)  in SDL_CDStop()  argument
301 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDStop()
305 	status = SDL_CDcaps.Status(cdrom, NULL);  in SDL_CDStop()
309 			retval = SDL_CDcaps.Stop(cdrom);  in SDL_CDStop()
317 int SDL_CDEject(SDL_CD *cdrom)  in SDL_CDEject()  argument
320 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDEject()
323 	return(SDL_CDcaps.Eject(cdrom));  in SDL_CDEject()
326 void SDL_CDClose(SDL_CD *cdrom)  in SDL_CDClose()  argument
329 	if ( ! CheckInit(1, &cdrom) ) {  in SDL_CDClose()
332 	SDL_CDcaps.Close(cdrom);  in SDL_CDClose()
333 	SDL_free(cdrom);  in SDL_CDClose()