author | Sam Lantinga <slouken@libsdl.org> |
Tue, 14 Mar 2006 05:34:39 +0000 | |
changeset 1524 | 38a12fd1a2c1 |
parent 1456 | 84de7511f79f |
child 1635 | 92947e3a18db |
permissions | -rw-r--r-- |
0 | 1 |
/* |
2 |
SDL - Simple DirectMedia Layer |
|
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|
3 |
Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
|
5 |
This library is free software; you can redistribute it and/or |
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|
6 |
modify it under the terms of the GNU Lesser General Public |
0 | 7 |
License as published by the Free Software Foundation; either |
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parents:
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8 |
version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
|
10 |
This library is distributed in the hope that it will be useful, |
|
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
904
diff
changeset
|
13 |
Lesser General Public License for more details. |
0 | 14 |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
904
diff
changeset
|
15 |
You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
904
diff
changeset
|
16 |
License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
904
diff
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|
17 |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
|
19 |
Sam Lantinga |
|
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Updated the source with the correct e-mail address
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slouken@libsdl.org |
0 | 21 |
*/ |
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#include "SDL_config.h" |
0 | 23 |
|
24 |
/* Functions for system-level CD-ROM audio control */ |
|
25 |
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26 |
#define WIN32_LEAN_AND_MEAN |
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27 |
#include <windows.h> |
0 | 28 |
#include <mmsystem.h> |
29 |
||
30 |
#include "SDL_cdrom.h" |
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31 |
#include "../SDL_syscdrom.h" |
0 | 32 |
|
33 |
/* This really broken?? */ |
|
34 |
#define BROKEN_MCI_PAUSE /* Pausing actually stops play -- Doh! */ |
|
35 |
||
36 |
/* The maximum number of CD-ROM drives we'll detect (Don't change!) */ |
|
37 |
#define MAX_DRIVES 26 |
|
38 |
||
39 |
/* A list of available CD-ROM drives */ |
|
40 |
static char *SDL_cdlist[MAX_DRIVES]; |
|
41 |
static MCIDEVICEID SDL_mciID[MAX_DRIVES]; |
|
42 |
#ifdef BROKEN_MCI_PAUSE |
|
43 |
static int SDL_paused[MAX_DRIVES]; |
|
44 |
#endif |
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45 |
static int SDL_CD_end_position; |
0 | 46 |
|
47 |
/* The system-dependent CD control functions */ |
|
48 |
static const char *SDL_SYS_CDName(int drive); |
|
49 |
static int SDL_SYS_CDOpen(int drive); |
|
50 |
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); |
|
51 |
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); |
|
52 |
static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); |
|
53 |
static int SDL_SYS_CDPause(SDL_CD *cdrom); |
|
54 |
static int SDL_SYS_CDResume(SDL_CD *cdrom); |
|
55 |
static int SDL_SYS_CDStop(SDL_CD *cdrom); |
|
56 |
static int SDL_SYS_CDEject(SDL_CD *cdrom); |
|
57 |
static void SDL_SYS_CDClose(SDL_CD *cdrom); |
|
58 |
||
59 |
||
60 |
/* Add a CD-ROM drive to our list of valid drives */ |
|
61 |
static void AddDrive(char *drive) |
|
62 |
{ |
|
63 |
int i; |
|
64 |
||
65 |
if ( SDL_numcds < MAX_DRIVES ) { |
|
66 |
/* Add this drive to our list */ |
|
67 |
i = SDL_numcds; |
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68 |
SDL_cdlist[i] = SDL_strdup(drive); |
0 | 69 |
if ( SDL_cdlist[i] == NULL ) { |
70 |
SDL_OutOfMemory(); |
|
71 |
return; |
|
72 |
} |
|
73 |
++SDL_numcds; |
|
74 |
#ifdef CDROM_DEBUG |
|
75 |
fprintf(stderr, "Added CD-ROM drive: %s\n", drive); |
|
76 |
#endif |
|
77 |
} |
|
78 |
} |
|
79 |
||
80 |
int SDL_SYS_CDInit(void) |
|
81 |
{ |
|
82 |
/* checklist: Drive 'A' - 'Z' */ |
|
83 |
int i; |
|
84 |
char drive[4]; |
|
85 |
||
86 |
/* Fill in our driver capabilities */ |
|
87 |
SDL_CDcaps.Name = SDL_SYS_CDName; |
|
88 |
SDL_CDcaps.Open = SDL_SYS_CDOpen; |
|
89 |
SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; |
|
90 |
SDL_CDcaps.Status = SDL_SYS_CDStatus; |
|
91 |
SDL_CDcaps.Play = SDL_SYS_CDPlay; |
|
92 |
SDL_CDcaps.Pause = SDL_SYS_CDPause; |
|
93 |
SDL_CDcaps.Resume = SDL_SYS_CDResume; |
|
94 |
SDL_CDcaps.Stop = SDL_SYS_CDStop; |
|
95 |
SDL_CDcaps.Eject = SDL_SYS_CDEject; |
|
96 |
SDL_CDcaps.Close = SDL_SYS_CDClose; |
|
97 |
||
98 |
/* Scan the system for CD-ROM drives */ |
|
99 |
for ( i='A'; i<='Z'; ++i ) { |
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100 |
SDL_snprintf(drive, SDL_arraysize(drive), "%c:\\", i); |
0 | 101 |
if ( GetDriveType(drive) == DRIVE_CDROM ) { |
102 |
AddDrive(drive); |
|
103 |
} |
|
104 |
} |
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105 |
SDL_memset(SDL_mciID, 0, sizeof(SDL_mciID)); |
0 | 106 |
return(0); |
107 |
} |
|
108 |
||
109 |
/* General ioctl() CD-ROM command function */ |
|
110 |
static int SDL_SYS_CDioctl(int id, UINT msg, DWORD flags, void *arg) |
|
111 |
{ |
|
112 |
MCIERROR mci_error; |
|
113 |
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114 |
mci_error = mciSendCommand(SDL_mciID[id], msg, flags, (DWORD_PTR)arg); |
0 | 115 |
if ( mci_error ) { |
116 |
char error[256]; |
|
117 |
||
118 |
mciGetErrorString(mci_error, error, 256); |
|
119 |
SDL_SetError("mciSendCommand() error: %s", error); |
|
120 |
} |
|
121 |
return(!mci_error ? 0 : -1); |
|
122 |
} |
|
123 |
||
124 |
static const char *SDL_SYS_CDName(int drive) |
|
125 |
{ |
|
126 |
return(SDL_cdlist[drive]); |
|
127 |
} |
|
128 |
||
129 |
static int SDL_SYS_CDOpen(int drive) |
|
130 |
{ |
|
131 |
MCI_OPEN_PARMS mci_open; |
|
132 |
MCI_SET_PARMS mci_set; |
|
133 |
char device[3]; |
|
134 |
DWORD flags; |
|
135 |
||
136 |
/* Open the requested device */ |
|
137 |
mci_open.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO; |
|
138 |
device[0] = *SDL_cdlist[drive]; |
|
139 |
device[1] = ':'; |
|
140 |
device[2] = '\0'; |
|
141 |
mci_open.lpstrElementName = device; |
|
142 |
flags = |
|
143 |
(MCI_OPEN_TYPE|MCI_OPEN_SHAREABLE|MCI_OPEN_TYPE_ID|MCI_OPEN_ELEMENT); |
|
144 |
if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) { |
|
145 |
flags &= ~MCI_OPEN_SHAREABLE; |
|
146 |
if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) { |
|
147 |
return(-1); |
|
148 |
} |
|
149 |
} |
|
150 |
SDL_mciID[drive] = mci_open.wDeviceID; |
|
151 |
||
152 |
/* Set the minute-second-frame time format */ |
|
153 |
mci_set.dwTimeFormat = MCI_FORMAT_MSF; |
|
154 |
SDL_SYS_CDioctl(drive, MCI_SET, MCI_SET_TIME_FORMAT, &mci_set); |
|
155 |
||
156 |
#ifdef BROKEN_MCI_PAUSE |
|
157 |
SDL_paused[drive] = 0; |
|
158 |
#endif |
|
159 |
return(drive); |
|
160 |
} |
|
161 |
||
162 |
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) |
|
163 |
{ |
|
164 |
MCI_STATUS_PARMS mci_status; |
|
165 |
int i, okay; |
|
166 |
DWORD flags; |
|
167 |
||
168 |
okay = 0; |
|
169 |
mci_status.dwItem = MCI_STATUS_NUMBER_OF_TRACKS; |
|
170 |
flags = MCI_STATUS_ITEM | MCI_WAIT; |
|
171 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) { |
|
172 |
cdrom->numtracks = mci_status.dwReturn; |
|
173 |
if ( cdrom->numtracks > SDL_MAX_TRACKS ) { |
|
174 |
cdrom->numtracks = SDL_MAX_TRACKS; |
|
175 |
} |
|
176 |
/* Read all the track TOC entries */ |
|
177 |
flags = MCI_STATUS_ITEM | MCI_TRACK | MCI_WAIT; |
|
178 |
for ( i=0; i<cdrom->numtracks; ++i ) { |
|
179 |
cdrom->track[i].id = i+1; |
|
180 |
mci_status.dwTrack = cdrom->track[i].id; |
|
181 |
#ifdef MCI_CDA_STATUS_TYPE_TRACK |
|
182 |
mci_status.dwItem = MCI_CDA_STATUS_TYPE_TRACK; |
|
183 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, |
|
184 |
&mci_status) < 0 ) { |
|
185 |
break; |
|
186 |
} |
|
187 |
if ( mci_status.dwReturn == MCI_CDA_TRACK_AUDIO ) { |
|
188 |
cdrom->track[i].type = SDL_AUDIO_TRACK; |
|
189 |
} else { |
|
190 |
cdrom->track[i].type = SDL_DATA_TRACK; |
|
191 |
} |
|
192 |
#else |
|
193 |
cdrom->track[i].type = SDL_AUDIO_TRACK; |
|
194 |
#endif |
|
195 |
mci_status.dwItem = MCI_STATUS_POSITION; |
|
196 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, |
|
197 |
&mci_status) < 0 ) { |
|
198 |
break; |
|
199 |
} |
|
200 |
cdrom->track[i].offset = MSF_TO_FRAMES( |
|
201 |
MCI_MSF_MINUTE(mci_status.dwReturn), |
|
202 |
MCI_MSF_SECOND(mci_status.dwReturn), |
|
203 |
MCI_MSF_FRAME(mci_status.dwReturn)); |
|
204 |
cdrom->track[i].length = 0; |
|
205 |
if ( i > 0 ) { |
|
206 |
cdrom->track[i-1].length = |
|
207 |
cdrom->track[i].offset- |
|
208 |
cdrom->track[i-1].offset; |
|
209 |
} |
|
210 |
} |
|
211 |
if ( i == cdrom->numtracks ) { |
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Fixed last track time calculation (thanks Tchi Southivong)
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parents:
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diff
changeset
|
212 |
mci_status.dwTrack = cdrom->track[i - 1].id; |
0 | 213 |
mci_status.dwItem = MCI_STATUS_LENGTH; |
214 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, |
|
215 |
&mci_status) == 0 ) { |
|
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|
216 |
cdrom->track[i - 1].length = MSF_TO_FRAMES( |
0 | 217 |
MCI_MSF_MINUTE(mci_status.dwReturn), |
218 |
MCI_MSF_SECOND(mci_status.dwReturn), |
|
1524 | 219 |
MCI_MSF_FRAME(mci_status.dwReturn)); |
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parents:
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diff
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|
220 |
/* compute lead-out offset */ |
ddee60057806
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diff
changeset
|
221 |
cdrom->track[i].offset = cdrom->track[i - 1].offset + |
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parents:
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diff
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|
222 |
cdrom->track[i - 1].length; |
0 | 223 |
cdrom->track[i].length = 0; |
224 |
okay = 1; |
|
225 |
} |
|
226 |
} |
|
227 |
} |
|
228 |
return(okay ? 0 : -1); |
|
229 |
} |
|
230 |
||
231 |
/* Get CD-ROM status */ |
|
232 |
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) |
|
233 |
{ |
|
234 |
CDstatus status; |
|
235 |
MCI_STATUS_PARMS mci_status; |
|
236 |
DWORD flags; |
|
237 |
||
238 |
flags = MCI_STATUS_ITEM | MCI_WAIT; |
|
239 |
mci_status.dwItem = MCI_STATUS_MODE; |
|
240 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) < 0 ) { |
|
241 |
status = CD_ERROR; |
|
242 |
} else { |
|
243 |
switch (mci_status.dwReturn) { |
|
244 |
case MCI_MODE_NOT_READY: |
|
245 |
case MCI_MODE_OPEN: |
|
246 |
status = CD_TRAYEMPTY; |
|
247 |
break; |
|
248 |
case MCI_MODE_STOP: |
|
249 |
#ifdef BROKEN_MCI_PAUSE |
|
250 |
if ( SDL_paused[cdrom->id] ) { |
|
251 |
status = CD_PAUSED; |
|
252 |
} else { |
|
253 |
status = CD_STOPPED; |
|
254 |
} |
|
255 |
#else |
|
256 |
status = CD_STOPPED; |
|
257 |
#endif /* BROKEN_MCI_PAUSE */ |
|
258 |
break; |
|
259 |
case MCI_MODE_PLAY: |
|
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Fixed resuming a paused CD on Win2K (thanks Aragorn)
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diff
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|
260 |
#ifdef BROKEN_MCI_PAUSE |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
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diff
changeset
|
261 |
if ( SDL_paused[cdrom->id] ) { |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
262 |
status = CD_PAUSED; |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
263 |
} else { |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
264 |
status = CD_PLAYING; |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
265 |
} |
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
266 |
#else |
0 | 267 |
status = CD_PLAYING; |
192
e31f8d815aaa
Fixed resuming a paused CD on Win2K (thanks Aragorn)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
268 |
#endif /* BROKEN_MCI_PAUSE */ |
0 | 269 |
break; |
270 |
case MCI_MODE_PAUSE: |
|
271 |
status = CD_PAUSED; |
|
272 |
break; |
|
273 |
default: |
|
274 |
status = CD_ERROR; |
|
275 |
break; |
|
276 |
} |
|
277 |
} |
|
278 |
if ( position ) { |
|
279 |
if ( status == CD_PLAYING || (status == CD_PAUSED) ) { |
|
280 |
mci_status.dwItem = MCI_STATUS_POSITION; |
|
281 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, |
|
282 |
&mci_status) == 0 ) { |
|
283 |
*position = MSF_TO_FRAMES( |
|
284 |
MCI_MSF_MINUTE(mci_status.dwReturn), |
|
285 |
MCI_MSF_SECOND(mci_status.dwReturn), |
|
286 |
MCI_MSF_FRAME(mci_status.dwReturn)); |
|
287 |
} else { |
|
288 |
*position = 0; |
|
289 |
} |
|
290 |
} else { |
|
291 |
*position = 0; |
|
292 |
} |
|
293 |
} |
|
294 |
return(status); |
|
295 |
} |
|
296 |
||
297 |
/* Start play */ |
|
298 |
static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) |
|
299 |
{ |
|
300 |
MCI_PLAY_PARMS mci_play; |
|
301 |
int m, s, f; |
|
302 |
DWORD flags; |
|
303 |
||
304 |
flags = MCI_FROM | MCI_TO | MCI_NOTIFY; |
|
305 |
mci_play.dwCallback = 0; |
|
306 |
FRAMES_TO_MSF(start, &m, &s, &f); |
|
307 |
mci_play.dwFrom = MCI_MAKE_MSF(m, s, f); |
|
308 |
FRAMES_TO_MSF(start+length, &m, &s, &f); |
|
309 |
mci_play.dwTo = MCI_MAKE_MSF(m, s, f); |
|
904
34af7946130a
Date: Fri, 16 Jul 2004 17:25:45 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
310 |
SDL_CD_end_position = mci_play.dwTo; |
0 | 311 |
return(SDL_SYS_CDioctl(cdrom->id, MCI_PLAY, flags, &mci_play)); |
312 |
} |
|
313 |
||
314 |
/* Pause play */ |
|
315 |
static int SDL_SYS_CDPause(SDL_CD *cdrom) |
|
316 |
{ |
|
317 |
#ifdef BROKEN_MCI_PAUSE |
|
318 |
SDL_paused[cdrom->id] = 1; |
|
319 |
#endif |
|
320 |
return(SDL_SYS_CDioctl(cdrom->id, MCI_PAUSE, MCI_WAIT, NULL)); |
|
321 |
} |
|
322 |
||
323 |
/* Resume play */ |
|
324 |
static int SDL_SYS_CDResume(SDL_CD *cdrom) |
|
325 |
{ |
|
326 |
#ifdef BROKEN_MCI_PAUSE |
|
327 |
MCI_STATUS_PARMS mci_status; |
|
328 |
int okay; |
|
329 |
int flags; |
|
330 |
||
331 |
okay = 0; |
|
904
34af7946130a
Date: Fri, 16 Jul 2004 17:25:45 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
332 |
/* Play from the current play position to the end position set earlier */ |
0 | 333 |
flags = MCI_STATUS_ITEM | MCI_WAIT; |
334 |
mci_status.dwItem = MCI_STATUS_POSITION; |
|
335 |
if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) { |
|
336 |
MCI_PLAY_PARMS mci_play; |
|
337 |
||
904
34af7946130a
Date: Fri, 16 Jul 2004 17:25:45 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
338 |
flags = MCI_FROM | MCI_TO | MCI_NOTIFY; |
0 | 339 |
mci_play.dwCallback = 0; |
340 |
mci_play.dwFrom = mci_status.dwReturn; |
|
904
34af7946130a
Date: Fri, 16 Jul 2004 17:25:45 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
341 |
mci_play.dwTo = SDL_CD_end_position; |
0 | 342 |
if (SDL_SYS_CDioctl(cdrom->id,MCI_PLAY,flags,&mci_play) == 0) { |
343 |
okay = 1; |
|
344 |
SDL_paused[cdrom->id] = 0; |
|
345 |
} |
|
346 |
} |
|
347 |
return(okay ? 0 : -1); |
|
348 |
#else |
|
349 |
return(SDL_SYS_CDioctl(cdrom->id, MCI_RESUME, MCI_WAIT, NULL)); |
|
350 |
#endif /* BROKEN_MCI_PAUSE */ |
|
351 |
} |
|
352 |
||
353 |
/* Stop play */ |
|
354 |
static int SDL_SYS_CDStop(SDL_CD *cdrom) |
|
355 |
{ |
|
356 |
return(SDL_SYS_CDioctl(cdrom->id, MCI_STOP, MCI_WAIT, NULL)); |
|
357 |
} |
|
358 |
||
359 |
/* Eject the CD-ROM */ |
|
360 |
static int SDL_SYS_CDEject(SDL_CD *cdrom) |
|
361 |
{ |
|
362 |
return(SDL_SYS_CDioctl(cdrom->id, MCI_SET, MCI_SET_DOOR_OPEN, NULL)); |
|
363 |
} |
|
364 |
||
365 |
/* Close the CD-ROM handle */ |
|
366 |
static void SDL_SYS_CDClose(SDL_CD *cdrom) |
|
367 |
{ |
|
368 |
SDL_SYS_CDioctl(cdrom->id, MCI_CLOSE, MCI_WAIT, NULL); |
|
369 |
} |
|
370 |
||
371 |
void SDL_SYS_CDQuit(void) |
|
372 |
{ |
|
373 |
int i; |
|
374 |
||
375 |
if ( SDL_numcds > 0 ) { |
|
376 |
for ( i=0; i<SDL_numcds; ++i ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
377 |
SDL_free(SDL_cdlist[i]); |
0 | 378 |
} |
379 |
SDL_numcds = 0; |
|
380 |
} |
|
381 |
} |