test/testcdrom.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 25 Aug 2002 18:59:11 +0000
changeset 473 30466f501b77
parent 0 74212992fb08
child 568 0cd6b268193b
permissions -rw-r--r--
Added a -fullscreen flag
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/* Test the SDL CD-ROM audio functions */
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "SDL.h"
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static void PrintStatus(int driveindex, SDL_CD *cdrom)
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{
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	CDstatus status;
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	char *status_str;
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	status = SDL_CDStatus(cdrom);
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	switch (status) {
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		case CD_TRAYEMPTY:
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			status_str = "tray empty";
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			break;
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		case CD_STOPPED:
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			status_str = "stopped";
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			break;
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		case CD_PLAYING:
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			status_str = "playing";
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			break;
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		case CD_PAUSED:
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			status_str = "paused";
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			break;
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		case CD_ERROR:
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			status_str = "error state";
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			break;
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	}
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	printf("Drive %d status: %s\n", driveindex, status_str);
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	if ( status >= CD_PLAYING ) {
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		int m, s, f;
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		FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f);
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		printf("Currently playing track %d, %d:%2.2d\n",
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			cdrom->track[cdrom->cur_track].id, m, s);
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	}
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}
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static void ListTracks(SDL_CD *cdrom)
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{
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	int i;
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	int m, s, f;
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	SDL_CDStatus(cdrom);
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	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 )
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			++s;
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		printf("\tTrack (index %d) %d: %d:%2.2d\n", i,
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					cdrom->track[i].id, m, s);
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	}
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}
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static void PrintUsage(char *argv0)
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{
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	fprintf(stderr, "Usage: %s [drive#] [command] [command] ...\n", argv0);
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	fprintf(stderr, "Where 'command' is one of:\n");
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	fprintf(stderr, "	-status\n");
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	fprintf(stderr, "	-list\n");
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	fprintf(stderr, "	-play [first_track] [first_frame] [num_tracks] [num_frames]\n");
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	fprintf(stderr, "	-pause\n");
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	fprintf(stderr, "	-resume\n");
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	fprintf(stderr, "	-stop\n");
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	fprintf(stderr, "	-eject\n");
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	fprintf(stderr, "	-sleep <milliseconds>\n");
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}
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int main(int argc, char *argv[])
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{
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	int drive;
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	int i;
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	SDL_CD *cdrom;
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	/* Initialize SDL first */
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	if ( SDL_Init(SDL_INIT_CDROM) < 0 ) {
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		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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		exit(1);
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	}
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	atexit(SDL_Quit);
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	/* Find out how many CD-ROM drives are connected to the system */
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	if ( SDL_CDNumDrives() == 0 ) {
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		printf("No CD-ROM devices detected\n");
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		exit(0);
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	}
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	printf("Drives available: %d\n", SDL_CDNumDrives());
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	for ( i=0; i<SDL_CDNumDrives(); ++i ) {
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		printf("Drive %d:  \"%s\"\n", i, SDL_CDName(i));
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	}
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	/* Open the CD-ROM */
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	drive = 0;
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	i=1;
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	if ( argv[i] && isdigit(argv[i][0]) ) {
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		drive = atoi(argv[i++]);
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	}
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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,
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							SDL_GetError());
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		exit(2);
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	}
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#ifdef TEST_NULLCD
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	cdrom = NULL;
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#endif
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	/* Find out which function to perform */
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	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
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		if ( strcmp(argv[i], "-list") == 0 ) {
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			ListTracks(cdrom);
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		} else
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		if ( strcmp(argv[i], "-play") == 0 ) {
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			int strack, sframe;
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			int ntrack, nframe;
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			strack = 0;
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			if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
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				strack = atoi(argv[++i]);
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			}
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			sframe = 0;
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			if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
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				sframe = atoi(argv[++i]);
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			}
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			ntrack = 0;
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			if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
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				ntrack = atoi(argv[++i]);
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			}
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			nframe = 0;
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			if ( argv[i+1] && isdigit(argv[i+1][0]) ) {
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				nframe = atoi(argv[++i]);
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			}
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			if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
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				if ( SDL_CDPlayTracks(cdrom, strack, sframe,
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							ntrack, nframe) < 0 ) {
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					fprintf(stderr,
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			"Couldn't play tracks %d/%d for %d/%d: %s\n",
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				strack, sframe, ntrack, nframe, SDL_GetError());
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				}
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			} else {
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				fprintf(stderr, "No CD in drive!\n");
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			}
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		} else
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		if ( strcmp(argv[i], "-pause") == 0 ) {
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			if ( SDL_CDPause(cdrom) < 0 ) {
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				fprintf(stderr, "Couldn't pause CD: %s\n",
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								SDL_GetError());
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			}
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		} else
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		if ( strcmp(argv[i], "-resume") == 0 ) {
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			if ( SDL_CDResume(cdrom) < 0 ) {
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				fprintf(stderr, "Couldn't resume CD: %s\n",
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								SDL_GetError());
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			}
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		} else
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		if ( strcmp(argv[i], "-stop") == 0 ) {
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			if ( SDL_CDStop(cdrom) < 0 ) {
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				fprintf(stderr, "Couldn't eject CD: %s\n",
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								SDL_GetError());
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			}
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		} else
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		if ( strcmp(argv[i], "-eject") == 0 ) {
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			if ( SDL_CDEject(cdrom) < 0 ) {
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				fprintf(stderr, "Couldn't eject CD: %s\n",
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								SDL_GetError());
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			}
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		} else
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		if ( (strcmp(argv[i], "-sleep") == 0) &&
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				(argv[i+1] && isdigit(argv[i+1][0])) ) {
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			SDL_Delay(atoi(argv[++i]));
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			printf("Delayed %d milliseconds\n", atoi(argv[i]));
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		} else {
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			PrintUsage(argv[0]);
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			SDL_CDClose(cdrom);
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			exit(1);
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		}
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	}
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	PrintStatus(drive, cdrom);
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	SDL_CDClose(cdrom);
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	return(0);
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}