1 /*
2 Copyright (C) 2004 Andreas Kirsch (used cd_null.c as template)
3 Copyright (C) 1996-1997 Id Software, Inc.
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program 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.
13
14 See the GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 */
21
22 #include "quakedef.h"
23 #include "cdaudio.h"
24
25 #if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION == 2
26 // SDL 1.2 has CD audio
27
28 #include <SDL.h>
29 #include <time.h>
30
31 // If one of the functions fails, it returns -1, if not 0
32
33 // SDL supports multiple cd devices - so we are going to support this, too.
34 static void CDAudio_SDL_CDDrive_f( void );
35
36 // we only support playing one CD at a time
37 static SDL_CD *cd;
38
ValidateDrive(void)39 static int ValidateDrive( void )
40 {
41 if( cd && SDL_CDStatus( cd ) > 0 )
42 return cdValid = true;
43
44 return cdValid = false;
45 }
46
CDAudio_SysEject(void)47 void CDAudio_SysEject (void)
48 {
49 SDL_CDEject( cd );
50 }
51
52
CDAudio_SysCloseDoor(void)53 void CDAudio_SysCloseDoor (void)
54 {
55 //NO SDL FUNCTION
56 }
57
CDAudio_SysGetAudioDiskInfo(void)58 int CDAudio_SysGetAudioDiskInfo (void)
59 {
60 if( ValidateDrive() ) // everything > 0 is ok, 0 is trayempty and -1 is error
61 return cd->numtracks;
62 return -1;
63 }
64
CDAudio_SysGetVolume(void)65 float CDAudio_SysGetVolume (void)
66 {
67 return -1.0f;
68 }
69
CDAudio_SysSetVolume(float volume)70 void CDAudio_SysSetVolume (float volume)
71 {
72 //NO SDL FUNCTION
73 }
74
CDAudio_SysPlay(int track)75 int CDAudio_SysPlay (int track)
76 {
77 return SDL_CDPlayTracks(cd, track-1, 0, 1, 0);
78 }
79
CDAudio_SysStop(void)80 int CDAudio_SysStop (void)
81 {
82 return SDL_CDStop( cd );
83 }
84
CDAudio_SysPause(void)85 int CDAudio_SysPause (void)
86 {
87 return SDL_CDPause( cd );
88 }
89
CDAudio_SysResume(void)90 int CDAudio_SysResume (void)
91 {
92 return SDL_CDResume( cd );
93 }
94
CDAudio_SysUpdate(void)95 int CDAudio_SysUpdate (void)
96 {
97 static time_t lastchk = 0;
98
99 if (cdPlaying && lastchk < time(NULL))
100 {
101 lastchk = time(NULL) + 2; //two seconds between chks
102 if( !cd || cd->status <= 0 ) {
103 cdValid = false;
104 return -1;
105 }
106 if (SDL_CDStatus( cd ) == CD_STOPPED)
107 {
108 if( cdPlayLooping )
109 CDAudio_SysPlay( cdPlayTrack );
110 else
111 cdPlaying = false;
112 }
113 }
114 return 0;
115 }
116
CDAudio_SysInit(void)117 void CDAudio_SysInit (void)
118 {
119 if( SDL_InitSubSystem( SDL_INIT_CDROM ) == -1 )
120 Con_Print( "Failed to init the CDROM SDL subsystem!\n" );
121
122 Cmd_AddCommand( "cddrive", CDAudio_SDL_CDDrive_f, "select an SDL-detected CD drive by number" );
123 }
124
IsAudioCD(void)125 static int IsAudioCD( void )
126 {
127 int i;
128 for( i = 0 ; i < cd->numtracks ; i++ )
129 if( cd->track[ i ].type == SDL_AUDIO_TRACK )
130 return true;
131 return false;
132 }
133
CDAudio_SysStartup(void)134 int CDAudio_SysStartup (void)
135 {
136 int i;
137 int numdrives;
138
139 numdrives = SDL_CDNumDrives();
140 if( numdrives == -1 ) // was the CDROM system initialized correctly?
141 return -1;
142
143 Con_Printf( "Found %i cdrom drives.\n", numdrives );
144
145 for( i = 0 ; i < numdrives ; i++, cd = NULL ) {
146 cd = SDL_CDOpen( i );
147 if( !cd ) {
148 Con_Printf( "CD drive %i is invalid.\n", i );
149 continue;
150 }
151
152 if( CD_INDRIVE( SDL_CDStatus( cd ) ) )
153 if( IsAudioCD() )
154 break;
155 else
156 Con_Printf( "The CD in drive %i is not an audio cd.\n", i );
157 else
158 Con_Printf( "No CD in drive %i.\n", i );
159
160 SDL_CDClose( cd );
161 }
162
163 if( i == numdrives && !cd )
164 return -1;
165
166 return 0;
167 }
168
CDAudio_SysShutdown(void)169 void CDAudio_SysShutdown (void)
170 {
171 if( cd )
172 SDL_CDClose( cd );
173 }
174
CDAudio_SDL_CDDrive_f(void)175 void CDAudio_SDL_CDDrive_f( void )
176 {
177 int i;
178 int numdrives = SDL_CDNumDrives();
179
180 if( Cmd_Argc() != 2 ) {
181 Con_Print( "cddrive <drivenr>\n" );
182 return;
183 }
184
185 i = atoi( Cmd_Argv( 1 ) );
186 if( i >= numdrives ) {
187 Con_Printf("Only %i drives!\n", numdrives );
188 return;
189 }
190
191 if( cd )
192 SDL_CDClose( cd );
193
194 cd = SDL_CDOpen( i );
195 if( !cd ) {
196 Con_Printf( "Couldn't open drive %i.\n", i );
197 return;
198 }
199
200 if( !CD_INDRIVE( SDL_CDStatus( cd ) ) )
201 Con_Printf( "No cd in drive %i.\n", i );
202 else if( !IsAudioCD() )
203 Con_Printf( "The CD in drive %i is not an audio CD.\n", i );
204
205 ValidateDrive();
206 }
207
208
209
210
211
212 #else
213 // SDL 1.3 does not have CD audio
214
CDAudio_SysEject(void)215 void CDAudio_SysEject (void)
216 {
217 }
218
219
CDAudio_SysCloseDoor(void)220 void CDAudio_SysCloseDoor (void)
221 {
222 }
223
224
CDAudio_SysGetAudioDiskInfo(void)225 int CDAudio_SysGetAudioDiskInfo (void)
226 {
227 return -1;
228 }
229
230
CDAudio_SysGetVolume(void)231 float CDAudio_SysGetVolume (void)
232 {
233 return -1.0f;
234 }
235
236
CDAudio_SysSetVolume(float fvolume)237 void CDAudio_SysSetVolume (float fvolume)
238 {
239 }
240
241
CDAudio_SysPlay(int track)242 int CDAudio_SysPlay (int track)
243 {
244 return -1;
245 }
246
247
CDAudio_SysStop(void)248 int CDAudio_SysStop (void)
249 {
250 return -1;
251 }
252
253
CDAudio_SysPause(void)254 int CDAudio_SysPause (void)
255 {
256 return -1;
257 }
258
CDAudio_SysResume(void)259 int CDAudio_SysResume (void)
260 {
261 return -1;
262 }
263
CDAudio_SysUpdate(void)264 int CDAudio_SysUpdate (void)
265 {
266 return -1;
267 }
268
269
CDAudio_SysInit(void)270 void CDAudio_SysInit (void)
271 {
272 }
273
CDAudio_SysStartup(void)274 int CDAudio_SysStartup (void)
275 {
276 return -1;
277 }
278
CDAudio_SysShutdown(void)279 void CDAudio_SysShutdown (void)
280 {
281 }
282 #endif
283
284