test/testcdrom.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 29 Feb 2008 13:58:37 +0000
branchSDL-1.2
changeset 4141 8b10a6efad41
parent 1484 b2b476a4a73c
child 1662 782fd950bd46
child 1895 c121d94672cb
permissions -rw-r--r--
Added patch note for Sylvain's patch
     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. */
    12 static void quit(int rc)
    13 {
    14 	SDL_Quit();
    15 	exit(rc);
    16 }
    17 
    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 
    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 
    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 
    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 }