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 #include <SDL.h>
25 #include <time.h>
26
27 // If one of the functions fails, it returns -1, if not 0
28
29 // SDL supports multiple cd devices - so we are going to support this, too.
30 static void CDAudio_SDL_CDDrive_f( void );
31
32 // we only support playing one CD at a time
33 static SDL_CD *cd;
34
ValidateDrive(void)35 static int ValidateDrive( void )
36 {
37 if( cd && SDL_CDStatus( cd ) > 0 )
38 return cdValid = true;
39
40 return cdValid = false;
41 }
42
CDAudio_SysEject(void)43 void CDAudio_SysEject (void)
44 {
45 SDL_CDEject( cd );
46 }
47
48
CDAudio_SysCloseDoor(void)49 void CDAudio_SysCloseDoor (void)
50 {
51 //NO SDL FUNCTION
52 }
53
CDAudio_SysGetAudioDiskInfo(void)54 int CDAudio_SysGetAudioDiskInfo (void)
55 {
56 if( ValidateDrive() ) // everything > 0 is ok, 0 is trayempty and -1 is error
57 return cd->numtracks;
58 return -1;
59 }
60
CDAudio_SysGetVolume(void)61 float CDAudio_SysGetVolume (void)
62 {
63 return -1.0f;
64 }
65
CDAudio_SysSetVolume(float volume)66 void CDAudio_SysSetVolume (float volume)
67 {
68 //NO SDL FUNCTION
69 }
70
CDAudio_SysPlay(int track)71 int CDAudio_SysPlay (int track)
72 {
73 return SDL_CDPlayTracks(cd, track-1, 0, 1, 0);
74 }
75
CDAudio_SysStop(void)76 int CDAudio_SysStop (void)
77 {
78 return SDL_CDStop( cd );
79 }
80
CDAudio_SysPause(void)81 int CDAudio_SysPause (void)
82 {
83 return SDL_CDPause( cd );
84 }
85
CDAudio_SysResume(void)86 int CDAudio_SysResume (void)
87 {
88 return SDL_CDResume( cd );
89 }
90
CDAudio_SysUpdate(void)91 int CDAudio_SysUpdate (void)
92 {
93 static time_t lastchk = 0;
94
95 if (cdPlaying && lastchk < time(NULL))
96 {
97 lastchk = time(NULL) + 2; //two seconds between chks
98 if( !cd || cd->status <= 0 ) {
99 cdValid = false;
100 return -1;
101 }
102 if (SDL_CDStatus( cd ) == CD_STOPPED)
103 {
104 if( cdPlayLooping )
105 CDAudio_SysPlay( cdPlayTrack );
106 else
107 cdPlaying = false;
108 }
109 }
110 return 0;
111 }
112
CDAudio_SysInit(void)113 void CDAudio_SysInit (void)
114 {
115 if( SDL_InitSubSystem( SDL_INIT_CDROM ) == -1 )
116 Con_Print( "Failed to init the CDROM SDL subsystem!\n" );
117
118 Cmd_AddCommand( "cddrive", CDAudio_SDL_CDDrive_f, "select an SDL-detected CD drive by number" );
119 }
120
IsAudioCD(void)121 static int IsAudioCD( void )
122 {
123 int i;
124 for( i = 0 ; i < cd->numtracks ; i++ )
125 if( cd->track[ i ].type == SDL_AUDIO_TRACK )
126 return true;
127 return false;
128 }
129
CDAudio_SysStartup(void)130 int CDAudio_SysStartup (void)
131 {
132 int i;
133 int numdrives;
134
135 numdrives = SDL_CDNumDrives();
136 if( numdrives == -1 ) // was the CDROM system initialized correctly?
137 return -1;
138
139 Con_Printf( "Found %i cdrom drives.\n", numdrives );
140
141 for( i = 0 ; i < numdrives ; i++, cd = NULL ) {
142 cd = SDL_CDOpen( i );
143 if( !cd ) {
144 Con_Printf( "CD drive %i is invalid.\n", i );
145 continue;
146 }
147
148 if( CD_INDRIVE( SDL_CDStatus( cd ) ) )
149 if( IsAudioCD() )
150 break;
151 else
152 Con_Printf( "The CD in drive %i is not an audio cd.\n", i );
153 else
154 Con_Printf( "No CD in drive %i.\n", i );
155
156 SDL_CDClose( cd );
157 }
158
159 if( i == numdrives && !cd )
160 return -1;
161
162 return 0;
163 }
164
CDAudio_SysShutdown(void)165 void CDAudio_SysShutdown (void)
166 {
167 if( cd )
168 SDL_CDClose( cd );
169 }
170
CDAudio_SDL_CDDrive_f(void)171 void CDAudio_SDL_CDDrive_f( void )
172 {
173 int i;
174 int numdrives = SDL_CDNumDrives();
175
176 if( Cmd_Argc() != 2 ) {
177 Con_Print( "cddrive <drivenr>\n" );
178 return;
179 }
180
181 i = atoi( Cmd_Argv( 1 ) );
182 if( i >= numdrives ) {
183 Con_Printf("Only %i drives!\n", numdrives );
184 return;
185 }
186
187 if( cd )
188 SDL_CDClose( cd );
189
190 cd = SDL_CDOpen( i );
191 if( !cd ) {
192 Con_Printf( "Couldn't open drive %i.\n", i );
193 return;
194 }
195
196 if( !CD_INDRIVE( SDL_CDStatus( cd ) ) )
197 Con_Printf( "No cd in drive %i.\n", i );
198 else if( !IsAudioCD() )
199 Con_Printf( "The CD in drive %i is not an audio CD.\n", i );
200
201 ValidateDrive();
202 }
203
204
205
206
207
208