/* Set all audio channels to level. level is assumed to be in the range
0..100.
*/
static bool
set_volume_level(CdIo_t *p_cdio, uint8_t i_level)
{
const unsigned int i_new_level= rounded_div(i_level*256, 100);
unsigned int i;
driver_return_code_t rc;
for (i=0; i<=3; i++) {
audio_volume.level[i] = i_new_level;
}
rc = cdio_audio_set_volume(p_cdio, &audio_volume);
if ( DRIVER_OP_SUCCESS != rc ) {
/* If we can't do a get volume, audio_volume.level is used as
a second-best guess. But if this set failed restore it to
an invalid value so we don't get confused and think that this
was set. */
for (i=0; i<=3; i++) {
audio_volume.level[i] = 0;
}
} else {
/* Set i_vol_port so volume levels set above will get used. */
i_vol_port=0;
}
return rc;
}
int
main(int argc, char *argv[])
{
int c;
char *h;
int i_rc = 0;
int i_volume_level = -1;
cd_operation_t todo = NO_OP; /* operation to do in non-interactive mode */
psz_program = strrchr(argv[0],'/');
psz_program = psz_program ? psz_program+1 : argv[0];
/* parse options */
while ( 1 ) {
if (-1 == (c = getopt(argc, argv, "aCdehkpL:sSt:vx")))
break;
switch (c) {
case 'v':
b_verbose = true;
break;
case 'd':
debug = 1;
break;
case 'a':
auto_mode = 1;
break;
case 'L':
if (NULL != strchr(optarg,'-')) {
i_volume_level = atoi(optarg);
todo = SET_VOLUME;
}
break;
case 't':
if (NULL != (h = strchr(optarg,'-'))) {
*h = 0;
start_track = atoi(optarg);
stop_track = atoi(h+1)+1;
if (0 == start_track) start_track = 1;
if (1 == stop_track) stop_track = CDIO_CDROM_LEADOUT_TRACK;
} else {
start_track = atoi(optarg);
stop_track = start_track+1;
one_track = 1;
}
todo = PLAY_TRACK;
break;
case 'p':
todo = PLAY_CD;
break;
case 'C':
todo = CLOSE_CD;
break;
break;
case 's':
todo = STOP_PLAYING;
break;
case 'S':
todo = LIST_SUBCHANNEL;
break;
case 'e':
todo = EJECT_CD;
break;
case 'h':
usage(psz_program);
exit(1);
default:
usage(psz_program);
exit(1);
}
}
if (argc > optind) {
psz_device = strdup(argv[optind]);
} else {
char **ppsz_cdda_drives=NULL;
char **ppsz_all_cd_drives = cdio_get_devices_ret(&driver_id);
if (!ppsz_all_cd_drives) {
fprintf(stderr, "Can't find a CD-ROM drive\n");
exit(2);
}
ppsz_cdda_drives = cdio_get_devices_with_cap(ppsz_all_cd_drives,
CDIO_FS_AUDIO, false);
if (!ppsz_cdda_drives || !ppsz_cdda_drives[0]) {
fprintf(stderr, "Can't find a CD-ROM drive with a CD-DA in it\n");
exit(3);
}
psz_device = strdup(ppsz_cdda_drives[0]);
cdio_free_device_list(ppsz_all_cd_drives);
cdio_free_device_list(ppsz_cdda_drives);
}
if (!b_cd && todo != EJECT_CD) {
cd_close(psz_device);
}
/* open device */
if (b_verbose)
fprintf(stderr,"open %s... ", psz_device);
p_cdio = cdio_open (psz_device, driver_id);
if (!p_cdio) {
if (b_verbose)
fprintf(stderr, "error: %s\n", strerror(errno));
else
fprintf(stderr, "open %s: %s\n", psz_device, strerror(errno));
exit(1);
} else
if (b_verbose) fprintf(stderr,"ok\n");
if (EJECT_CD == todo) {
i_rc = cd_eject() ? 0 : 1;
} else {
read_toc(p_cdio);
if (!b_cd) {
cd_close(psz_device);
read_toc(p_cdio);
}
if (b_cd)
switch (todo) {
case NO_OP:
break;
case STOP_PLAYING:
i_rc = cd_stop(p_cdio) ? 0 : 1;
break;
case EJECT_CD:
/* Should have been handled above before case statement. gcc
warns if we don't include this. And with this Coverty
complains when we do - we can't win, so go with gcc. */
cd_eject();
break;
case PLAY_TRACK:
/* play just this one track */
play_track(start_track, stop_track);
break;
case PLAY_CD:
play_track(1,CDIO_CDROM_LEADOUT_TRACK);
break;
case CLOSE_CD:
i_rc = cdio_close_tray(psz_device, NULL) ? 0 : 1;
break;
case SET_VOLUME:
{
cdio_audio_volume_t volume;
volume.level[0] = i_volume_level;
i_rc = (DRIVER_OP_SUCCESS == cdio_audio_set_volume(p_cdio,
&volume))
? 0 : 1;
break;
}
case LIST_SUBCHANNEL:
if (read_subchannel(p_cdio)) {
if (sub.audio_status == CDIO_MMC_READ_SUB_ST_PAUSED ||
sub.audio_status == CDIO_MMC_READ_SUB_ST_PLAY) {
{
printf("track %2d - %02x:%02x (%02x:%02x abs) ",
sub.track, sub.rel_addr.m, sub.rel_addr.s,
sub.abs_addr.m, sub.abs_addr.s);
}
}
printf("drive state: %s\n",
mmc_audio_state2str(sub.audio_status));
} else {
i_rc = 1;
}
break;
}
else {
fprintf(stderr,"no CD in drive (%s)\n", psz_device);
}
}
oops("bye", i_rc);
return 0; /* keep compiler happy */
}
