1
2 /* Test the SDL CD-ROM audio functions */
3
4 #include <stdlib.h>
5 #include <stdio.h>
6 #include <string.h>
7 #include <ctype.h>
8
9 #include "SDL.h"
10
11 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
quit(int rc)12 static void quit(int rc)
13 {
14 SDL_Quit();
15 exit(rc);
16 }
17
PrintStatus(int driveindex,SDL_CD * cdrom)18 static void PrintStatus(int driveindex, SDL_CD *cdrom)
19 {
20 CDstatus status;
21 char *status_str;
22
23 status = SDL_CDStatus(cdrom);
24 switch (status) {
25 case CD_TRAYEMPTY:
26 status_str = "tray empty";
27 break;
28 case CD_STOPPED:
29 status_str = "stopped";
30 break;
31 case CD_PLAYING:
32 status_str = "playing";
33 break;
34 case CD_PAUSED:
35 status_str = "paused";
36 break;
37 case CD_ERROR:
38 status_str = "error state";
39 break;
40 }
41 printf("Drive %d status: %s\n", driveindex, status_str);
42 if ( status >= CD_PLAYING ) {
43 int m, s, f;
44 FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
45 printf("Currently playing track %d, %d:%2.2d\n",
46 cdrom->track[cdrom->cur_track].id, m, s);
47 }
48 }
49
ListTracks(SDL_CD * cdrom)50 static void ListTracks(SDL_CD *cdrom)
51 {
52 int i;
53 int m, s, f;
54 char* trtype;
55
56 SDL_CDStatus(cdrom);
57 printf("Drive tracks: %d\n", cdrom->numtracks);
58 for ( i=0; i<cdrom->numtracks; ++i ) {
59 FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f);
60 if ( f > 0 )
61 ++s;
62 switch(cdrom->track[i].type)
63 {
64 case SDL_AUDIO_TRACK:
65 trtype="audio";
66 break;
67 case SDL_DATA_TRACK:
68 trtype="data";
69 break;
70 default:
71 trtype="unknown";
72 break;
73 }
74 printf("\tTrack (index %d) %d: %d:%2.2d / %d [%s track]\n", i,
75 cdrom->track[i].id, m, s, cdrom->track[i].length, trtype);
76 }
77 }
78
PrintUsage(char * argv0)79 static void PrintUsage(char *argv0)
80 {
81 fprintf(stderr, "Usage: %s [drive#] [command] [command] ...\n", argv0);
82 fprintf(stderr, "Where 'command' is one of:\n");
83 fprintf(stderr, " -status\n");
84 fprintf(stderr, " -list\n");
85 fprintf(stderr, " -play [first_track] [first_frame] [num_tracks] [num_frames]\n");
86 fprintf(stderr, " -pause\n");
87 fprintf(stderr, " -resume\n");
88 fprintf(stderr, " -stop\n");
89 fprintf(stderr, " -eject\n");
90 fprintf(stderr, " -sleep <milliseconds>\n");
91 }
92
main(int argc,char * argv[])93 int main(int argc, char *argv[])
94 {
95 int drive;
96 int i;
97 SDL_CD *cdrom;
98
99 /* Initialize SDL first */
100 if ( SDL_Init(SDL_INIT_CDROM) < 0 ) {
101 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
102 return(1);
103 }
104
105 /* Find out how many CD-ROM drives are connected to the system */
106 if ( SDL_CDNumDrives() == 0 ) {
107 printf("No CD-ROM devices detected\n");
108 quit(0);
109 }
110 printf("Drives available: %d\n", SDL_CDNumDrives());
111 for ( i=0; i<SDL_CDNumDrives(); ++i ) {
112 printf("Drive %d: \"%s\"\n", i, SDL_CDName(i));
113 }
114
115 /* Open the CD-ROM */
116 drive = 0;
117 i=1;
118 if ( argv[i] && isdigit(argv[i][0]) ) {
119 drive = atoi(argv[i++]);
120 }
121 cdrom = SDL_CDOpen(drive);
122 if ( cdrom == NULL ) {
123 fprintf(stderr, "Couldn't open drive %d: %s\n", drive,
124 SDL_GetError());
125 quit(2);
126 }
127 #ifdef TEST_NULLCD
128 cdrom = NULL;
129 #endif
130
131 /* Find out which function to perform */
132 for ( ; argv[i]; ++i ) {
133 if ( strcmp(argv[i], "-status") == 0 ) {
134 /* PrintStatus(drive, cdrom); */
135 } else
136 if ( strcmp(argv[i], "-list") == 0 ) {
137 ListTracks(cdrom);
138 } else
139 if ( strcmp(argv[i], "-play") == 0 ) {
140 int strack, sframe;
141 int ntrack, nframe;
142
143 strack = 0;
144 if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
145 strack = atoi(argv[++i]);
146 }
147 sframe = 0;
148 if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
149 sframe = atoi(argv[++i]);
150 }
151 ntrack = 0;
152 if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
153 ntrack = atoi(argv[++i]);
154 }
155 nframe = 0;
156 if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
157 nframe = atoi(argv[++i]);
158 }
159 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
160 if ( SDL_CDPlayTracks(cdrom, strack, sframe,
161 ntrack, nframe) < 0 ) {
162 fprintf(stderr,
163 "Couldn't play tracks %d/%d for %d/%d: %s\n",
164 strack, sframe, ntrack, nframe, SDL_GetError());
165 }
166 } else {
167 fprintf(stderr, "No CD in drive!\n");
168 }
169 } else
170 if ( strcmp(argv[i], "-pause") == 0 ) {
171 if ( SDL_CDPause(cdrom) < 0 ) {
172 fprintf(stderr, "Couldn't pause CD: %s\n",
173 SDL_GetError());
174 }
175 } else
176 if ( strcmp(argv[i], "-resume") == 0 ) {
177 if ( SDL_CDResume(cdrom) < 0 ) {
178 fprintf(stderr, "Couldn't resume CD: %s\n",
179 SDL_GetError());
180 }
181 } else
182 if ( strcmp(argv[i], "-stop") == 0 ) {
183 if ( SDL_CDStop(cdrom) < 0 ) {
184 fprintf(stderr, "Couldn't eject CD: %s\n",
185 SDL_GetError());
186 }
187 } else
188 if ( strcmp(argv[i], "-eject") == 0 ) {
189 if ( SDL_CDEject(cdrom) < 0 ) {
190 fprintf(stderr, "Couldn't eject CD: %s\n",
191 SDL_GetError());
192 }
193 } else
194 if ( (strcmp(argv[i], "-sleep") == 0) &&
195 (argv[i+1] && isdigit(argv[i+1][0])) ) {
196 SDL_Delay(atoi(argv[++i]));
197 printf("Delayed %d milliseconds\n", atoi(argv[i]));
198 } else {
199 PrintUsage(argv[0]);
200 SDL_CDClose(cdrom);
201 quit(1);
202 }
203 }
204 PrintStatus(drive, cdrom);
205 SDL_CDClose(cdrom);
206 SDL_Quit();
207
208 return(0);
209 }
210