| |
| /* Test the SDL CD-ROM audio functions */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <ctype.h> |
| |
| #include "SDL.h" |
| |
| /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
| static void |
| quit(int rc) |
| { |
| SDL_Quit(); |
| exit(rc); |
| } |
| |
| static void |
| PrintStatus(int driveindex, SDL_CD * cdrom) |
| { |
| CDstatus status; |
| char *status_str; |
| |
| status = SDL_CDStatus(cdrom); |
| 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; |
| } |
| printf("Drive %d status: %s\n", driveindex, status_str); |
| if (status >= CD_PLAYING) { |
| int m, s, f; |
| 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); |
| } |
| } |
| |
| static void |
| ListTracks(SDL_CD * cdrom) |
| { |
| int i; |
| int m, s, f; |
| char *trtype; |
| |
| SDL_CDStatus(cdrom); |
| printf("Drive tracks: %d\n", cdrom->numtracks); |
| for (i = 0; i < cdrom->numtracks; ++i) { |
| FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f); |
| 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; |
| } |
| printf("\tTrack (index %d) %d: %d:%2.2d / %d [%s track]\n", i, |
| cdrom->track[i].id, m, s, cdrom->track[i].length, trtype); |
| } |
| } |
| |
| static void |
| PrintUsage(char *argv0) |
| { |
| 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"); |
| } |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| int drive; |
| int i; |
| SDL_CD *cdrom; |
| |
| /* Initialize SDL first */ |
| if (SDL_Init(SDL_INIT_CDROM) < 0) { |
| fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
| return (1); |
| } |
| |
| /* Find out how many CD-ROM drives are connected to the system */ |
| if (SDL_CDNumDrives() == 0) { |
| printf("No CD-ROM devices detected\n"); |
| quit(0); |
| } |
| printf("Drives available: %d\n", SDL_CDNumDrives()); |
| for (i = 0; i < SDL_CDNumDrives(); ++i) { |
| printf("Drive %d: \"%s\"\n", i, SDL_CDName(i)); |
| } |
| |
| /* Open the CD-ROM */ |
| drive = 0; |
| i = 1; |
| if (argv[i] && isdigit(argv[i][0])) { |
| drive = atoi(argv[i++]); |
| } |
| cdrom = SDL_CDOpen(drive); |
| if (cdrom == NULL) { |
| fprintf(stderr, "Couldn't open drive %d: %s\n", drive, |
| SDL_GetError()); |
| quit(2); |
| } |
| #ifdef TEST_NULLCD |
| cdrom = NULL; |
| #endif |
| |
| /* Find out which function to perform */ |
| for (; argv[i]; ++i) { |
| if (strcmp(argv[i], "-status") == 0) { |
| /* PrintStatus(drive, cdrom); */ |
| } else if (strcmp(argv[i], "-list") == 0) { |
| ListTracks(cdrom); |
| } else if (strcmp(argv[i], "-play") == 0) { |
| int strack, sframe; |
| int ntrack, nframe; |
| |
| strack = 0; |
| if (argv[i + 1] && isdigit(argv[i + 1][0])) { |
| strack = atoi(argv[++i]); |
| } |
| sframe = 0; |
| if (argv[i + 1] && isdigit(argv[i + 1][0])) { |
| sframe = atoi(argv[++i]); |
| } |
| ntrack = 0; |
| if (argv[i + 1] && isdigit(argv[i + 1][0])) { |
| ntrack = atoi(argv[++i]); |
| } |
| nframe = 0; |
| if (argv[i + 1] && isdigit(argv[i + 1][0])) { |
| nframe = atoi(argv[++i]); |
| } |
| 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()); |
| } |
| } else { |
| fprintf(stderr, "No CD in drive!\n"); |
| } |
| } else if (strcmp(argv[i], "-pause") == 0) { |
| if (SDL_CDPause(cdrom) < 0) { |
| fprintf(stderr, "Couldn't pause CD: %s\n", SDL_GetError()); |
| } |
| } else if (strcmp(argv[i], "-resume") == 0) { |
| if (SDL_CDResume(cdrom) < 0) { |
| fprintf(stderr, "Couldn't resume CD: %s\n", SDL_GetError()); |
| } |
| } else if (strcmp(argv[i], "-stop") == 0) { |
| if (SDL_CDStop(cdrom) < 0) { |
| fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError()); |
| } |
| } else if (strcmp(argv[i], "-eject") == 0) { |
| if (SDL_CDEject(cdrom) < 0) { |
| fprintf(stderr, "Couldn't eject CD: %s\n", SDL_GetError()); |
| } |
| } 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])); |
| } else { |
| PrintUsage(argv[0]); |
| SDL_CDClose(cdrom); |
| quit(1); |
| } |
| } |
| PrintStatus(drive, cdrom); |
| SDL_CDClose(cdrom); |
| SDL_Quit(); |
| |
| return (0); |
| } |