static gboolean
cdplayer_iterate (GstBin * bin)
{
CDPlayer *cdp = CDPLAYER (bin);
gint current_track;
switch (cd_status (CDPLAYER_CD (cdp))) {
case CD_PLAYING:
current_track = cd_current_track (CDPLAYER_CD (cdp));
if (current_track > cdp->end_track && cdp->end_track != 0) {
return FALSE;
}
if (current_track != -1 && current_track != cdp->current_track) {
cdp->current_track = current_track;
g_signal_emit (G_OBJECT (cdp), cdplayer_signals[TRACK_CHANGE], 0,
cdp->current_track);
}
return TRUE;
break;
case CD_ERROR:
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
return FALSE;
break;
case CD_COMPLETED:
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
gst_element_set_eos (GST_ELEMENT (bin));
return FALSE;
break;
}
return FALSE;
}
/*
* Description: Pause or Resume the Current Track.
*/
static void open_close()
{
if ( cd_is_paused ())
{
cd_resume ();
}
else
if ( cd_current_track ())
{
cd_pause ();
}
}
/*
* Description: Pause or Resume the Current Track.
*/
static void pause_resume ()
{
if ( cd_is_paused ())
{
cd_eject() ;
}
else
if ( cd_current_track ())
{
cd_close() ;
}
}
/*
* Description: Plays the previous track from the CD.
*/
static void back_track ()
{
int ct ;
track_info tInfo ;
if ( get_track_info( &tInfo ) == false )
{
return ;
}
ct = ( cd_current_track() - 1 ) % tInfo.last_track ;
if ( ct < 1 )
{
ct = tInfo.last_track ;
}
if ( cd_play_from( ct ) != 0 )
{
show_error( ERROR, cd_error ) ;
}
}
/*
* Description: Displays minimal information regardin gthe current track.
*/
static void show_info ()
{
int i ;
int no ;
track_info tInfo ;
if ( get_track_info( &tInfo ) == false )
{
return ;
}
i = cd_current_track() ;
no = tInfo.last_track - tInfo.first_track + 1 ;
if ( i > 0 )
{
printf ("Playing track %d (%d tracks)\n", i, no ) ;
}
else
{
printf ("Not playing (%d tracks)\n", no ) ;
}
}
int main()
{
char cmd[20];
int done = 0;
int ret, trk, a, b;
if (cd_init() < 0) {
printf("Error initialising libcda (%s)\n", cd_error);
return 1;
}
show_cmds();
do {
printf(">>> ");
fflush(stdout);
scanf("%s", cmd);
switch (cmd[0]) {
case '?':
show_cmds();
break;
case 'p':
trk = input_int("Track");
ret = cd_play(trk);
if (ret != 0)
printf("Error occurred (%s)\n", cd_error);
break;
case 'r':
a = input_int("First track");
b = input_int("Last track");
ret = cd_play_range(a, b);
if (ret != 0)
printf("Error occurred (%s)\n", cd_error);
break;
case 'f':
trk = input_int("Start track");
ret = cd_play_from(trk);
if (ret != 0)
printf("Error occurred (%s)\n", cd_error);
break;
case 'P':
trk = cd_current_track();
if (trk)
printf("Playing track %d\n", trk);
else
printf("Not playing\n");
break;
case 'w':
cd_pause();
break;
case 'W':
cd_resume();
break;
case 'S':
ret = cd_is_paused();
if (ret)
printf("Paused\n");
else
printf("Not paused\n");
break;
case 's':
cd_stop();
break;
case 'i':
ret = cd_get_tracks(&a, &b);
if (ret != 0)
printf("Error occurred (%s)\n", cd_error);
else
printf("First track: %d\nLast track: %d\n", a, b);
break;
case 'a':
trk = input_int("Track");
ret = cd_is_audio(trk);
if (ret < 0)
printf("Error occurred (%s)\n", cd_error);
else
printf("Track %d is %s\n", trk, (ret ? "audio" : "data"));
break;
case 'v':
a = input_int("Left (0-255)");
b = input_int("Right (0-255)");
cd_set_volume(a, b);
break;
case 'V':
cd_get_volume(&a, &b);
printf("Left volume: %d\nRight volume: %d\n", a, b);
break;
case 'e':
cd_eject();
break;
case 'c':
cd_close();
break;
case 'q':
done = 1;
break;
default:
printf("Unrecognised command: `%c'\n", cmd[0]);
}
} while (!done);
cd_exit();
return 0;
}
