This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
testcdrom.c
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/* Test the SDL CD-ROM audio functions */
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "SDL.h"
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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quit(int rc)
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SDL_Quit();
exit(rc);
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PrintStatus(int driveindex, SDL_CD * cdrom)
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CDstatus status;
char *status_str;
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status = SDL_CDStatus(cdrom);
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switch (status) {
case CD_TRAYEMPTY:
status_str = "tray empty";
break;
case CD_STOPPED:
status_str = "stopped";
break;
case CD_PLAYING:
status_str = "playing";
break;
case CD_PAUSED:
status_str = "paused";
break;
case CD_ERROR:
status_str = "error state";
break;
}
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printf("Drive %d status: %s\n", driveindex, status_str);
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if (status >= CD_PLAYING) {
int m, s, f;
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FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
printf("Currently playing track %d, %d:%2.2d\n",
cdrom->track[cdrom->cur_track].id, m, s);
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}
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ListTracks(SDL_CD * cdrom)
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int i;
int m, s, f;
char *trtype;
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SDL_CDStatus(cdrom);
printf("Drive tracks: %d\n", cdrom->numtracks);
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for (i = 0; i < cdrom->numtracks; ++i) {
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FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f);
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if (f > 0)
++s;
switch (cdrom->track[i].type) {
case SDL_AUDIO_TRACK:
trtype = "audio";
break;
case SDL_DATA_TRACK:
trtype = "data";
break;
default:
trtype = "unknown";
break;
}
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printf("\tTrack (index %d) %d: %d:%2.2d / %d [%s track]\n", i,
cdrom->track[i].id, m, s, cdrom->track[i].length, trtype);
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}
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PrintUsage(char *argv0)
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fprintf(stderr, "Usage: %s [drive#] [command] [command] ...\n", argv0);
fprintf(stderr, "Where 'command' is one of:\n");
fprintf(stderr, " -status\n");
fprintf(stderr, " -list\n");
fprintf(stderr,
" -play [first_track] [first_frame] [num_tracks] [num_frames]\n");
fprintf(stderr, " -pause\n");
fprintf(stderr, " -resume\n");
fprintf(stderr, " -stop\n");
fprintf(stderr, " -eject\n");
fprintf(stderr, " -sleep <milliseconds>\n");
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}
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main(int argc, char *argv[])
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int drive;
int i;
SDL_CD *cdrom;
/* Initialize SDL first */
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if (SDL_Init(SDL_INIT_CDROM) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return (1);
}
/* Find out how many CD-ROM drives are connected to the system */
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if (SDL_CDNumDrives() == 0) {
printf("No CD-ROM devices detected\n");
quit(0);
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printf("Drives available: %d\n", SDL_CDNumDrives());
for (i = 0; i < SDL_CDNumDrives(); ++i) {
printf("Drive %d: \"%s\"\n", i, SDL_CDName(i));
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}
/* Open the CD-ROM */
drive = 0;
i = 1;
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if (argv[i] && isdigit(argv[i][0])) {
drive = atoi(argv[i++]);
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cdrom = SDL_CDOpen(drive);
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if (cdrom == NULL) {
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fprintf(stderr, "Couldn't open drive %d: %s\n", drive,
SDL_GetError());
quit(2);
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#ifdef TEST_NULLCD
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#endif
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/* Find out which function to perform */
for (; argv[i]; ++i) {
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if (strcmp(argv[i], "-status") == 0) {
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/* PrintStatus(drive, cdrom); */
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} else if (strcmp(argv[i], "-list") == 0) {
ListTracks(cdrom);
} else if (strcmp(argv[i], "-play") == 0) {
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int strack, sframe;
int ntrack, nframe;
strack = 0;
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if (argv[i + 1] && isdigit(argv[i + 1][0])) {
strack = atoi(argv[++i]);
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}
sframe = 0;
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if (argv[i + 1] && isdigit(argv[i + 1][0])) {
sframe = atoi(argv[++i]);
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}
ntrack = 0;
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if (argv[i + 1] && isdigit(argv[i + 1][0])) {
ntrack = atoi(argv[++i]);
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}
nframe = 0;
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if (argv[i + 1] && isdigit(argv[i + 1][0])) {
nframe = atoi(argv[++i]);
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if (CD_INDRIVE(SDL_CDStatus(cdrom))) {
if (SDL_CDPlayTracks(cdrom, strack, sframe,
ntrack, nframe) < 0) {
fprintf(stderr,
"Couldn't play tracks %d/%d for %d/%d: %s\n",
strack, sframe, ntrack, nframe, SDL_GetError());
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fprintf(stderr, "No CD in drive!\n");
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} else if (strcmp(argv[i], "-pause") == 0) {
if (SDL_CDPause(cdrom) < 0) {
fprintf(stderr, "Couldn't pause CD: %s\n", SDL_GetError());
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} else if (strcmp(argv[i], "-resume") == 0) {
if (SDL_CDResume(cdrom) < 0) {
fprintf(stderr, "Couldn't resume CD: %s\n", SDL_GetError());
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} else if (strcmp(argv[i], "-stop") == 0) {
if (SDL_CDStop(cdrom) < 0) {
fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError());
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} else if (strcmp(argv[i], "-eject") == 0) {
if (SDL_CDEject(cdrom) < 0) {
fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError());
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} else if ((strcmp(argv[i], "-sleep") == 0) &&
(argv[i + 1] && isdigit(argv[i + 1][0]))) {
SDL_Delay(atoi(argv[++i]));
printf("Delayed %d milliseconds\n", atoi(argv[i]));
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PrintUsage(argv[0]);
SDL_CDClose(cdrom);
quit(1);
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PrintStatus(drive, cdrom);
SDL_CDClose(cdrom);
SDL_Quit();
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return (0);
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}