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1 /**
2  * \file playlists.c
3  * Example program to list the playlists on a device.
4  *
5  * Copyright (C) 2005-2007 Linus Walleij <triad@df.lth.se>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22 #include "common.h"
23 #include <stdlib.h>
24 
dump_plinfo(LIBMTP_mtpdevice_t * device,LIBMTP_playlist_t * pl)25 static void dump_plinfo(LIBMTP_mtpdevice_t *device, LIBMTP_playlist_t *pl)
26 {
27   uint32_t i;
28 
29   printf("Playlist ID: %d\n", pl->playlist_id);
30   if (pl->name != NULL)
31     printf("   Name: %s\n", pl->name);
32   printf("   Parent ID: %d\n", pl->parent_id);
33   printf("   Tracks:\n");
34 
35   for (i = 0; i < pl->no_tracks; i++) {
36     LIBMTP_track_t *track;
37 
38     track = LIBMTP_Get_Trackmetadata(device, pl->tracks[i]);
39     if (track != NULL) {
40       printf("      %u: %s - %s\n", pl->tracks[i], track->artist, track->title);
41       LIBMTP_destroy_track_t(track);
42     } else {
43       printf("      %u: INVALID TRACK REFERENCE!\n", pl->tracks[i]);
44       LIBMTP_Dump_Errorstack(device);
45       LIBMTP_Clear_Errorstack(device);
46     }
47   }
48 }
49 
main(int argc,char ** argv)50 int main (int argc, char **argv)
51 {
52   LIBMTP_mtpdevice_t *device;
53   LIBMTP_playlist_t *playlists;
54 
55   fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");
56 
57   LIBMTP_Init();
58   device = LIBMTP_Get_First_Device();
59   if (device == NULL) {
60     printf("No devices.\n");
61     exit (0);
62   }
63 
64   // Get playlist listing.
65   playlists = LIBMTP_Get_Playlist_List(device);
66   if (playlists == NULL) {
67     printf("No playlists.\n");
68   } else {
69     LIBMTP_playlist_t *pl, *tmp;
70     pl = playlists;
71     while (pl != NULL) {
72       dump_plinfo(device, pl);
73       tmp = pl;
74       pl = pl->next;
75       LIBMTP_destroy_playlist_t(tmp);
76     }
77   }
78 
79   LIBMTP_Release_Device(device);
80   printf("OK.\n");
81   exit (0);
82 }
83