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1 /**
2  * \file getplaylist.c
3  * Example program that lists the abstract playlists on the 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 #include <limits.h>
25 
dump_playlist(LIBMTP_mtpdevice_t * device,LIBMTP_playlist_t * pl)26 static uint32_t dump_playlist(LIBMTP_mtpdevice_t *device, LIBMTP_playlist_t *pl)
27 {
28   uint32_t i;
29 
30   printf("Number of items: %u\n", pl->no_tracks);
31   if(pl->no_tracks > 0) {
32     for(i=0;i<pl->no_tracks;i++) {
33       LIBMTP_track_t *track;
34 
35       track = LIBMTP_Get_Trackmetadata(device, pl->tracks[i]);
36       if (track != NULL) {
37 	printf("   %u: %s - %s\n", pl->tracks[i], track->artist, track->title);
38 	LIBMTP_destroy_track_t(track);
39       } else {
40 	printf("   %u: INVALID TRACK REFERENCE!\n", pl->tracks[i]);
41 	LIBMTP_Dump_Errorstack(device);
42 	LIBMTP_Clear_Errorstack(device);
43       }
44     }
45   }
46   return 0;
47 }
48 
main(int argc,char ** argv)49 int main (int argc, char **argv)
50 {
51   LIBMTP_mtpdevice_t *device;
52   LIBMTP_playlist_t *playlist;
53   uint32_t id;
54   char *endptr;
55 
56   fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");
57 
58   // We need file ID
59   if ( argc != 2 ) {
60     fprintf(stderr, "Just a playlist ID is required\n");
61     return 1;
62   }
63 
64   // Sanity check playlist ID
65   id = strtoul(argv[1], &endptr, 10);
66   if ( *endptr != 0 ) {
67     fprintf(stderr, "illegal value %s\n", argv[1]);
68     return 1;
69   } else if ( ! id ) {
70     fprintf(stderr, "bad playlist id %u\n", id);
71     return 1;
72  }
73 
74   LIBMTP_Init();
75   device = LIBMTP_Get_First_Device();
76   if (device == NULL) {
77     printf("No devices. Connect/replug device and try again.\n");
78     exit (0);
79   }
80 
81   playlist = LIBMTP_Get_Playlist(device,id);
82 
83   if (playlist != NULL) {
84     dump_playlist(device,playlist);
85   }
86 
87   LIBMTP_destroy_playlist_t(playlist);
88 
89   LIBMTP_Release_Device(device);
90   printf("OK.\n");
91   exit (0);
92 }
93 
94