1 /**
2  * \file albums.c
3  * Example program that lists the albums on the device.
4  *
5  * Copyright (C) 2006 Chris A. Debenham <chris@adebenham.com>
6  * Copyright (C) 2007 Ted Bullock <tbullock@canada.com>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the
20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23 #include "common.h"
24 #include <stdlib.h>
25 
dump_albuminfo(LIBMTP_album_t * album)26 static void dump_albuminfo(LIBMTP_album_t *album)
27 {
28   printf("Album ID: %d\n",album->album_id);
29   printf("    Parent ID:   %d\n",album->parent_id);
30   printf("    Name:   %s\n",album->name);
31   printf("    Artist: %s\n", album->artist);
32   printf("    Composer:  %s\n", album->composer);
33   printf("    Genre:  %s\n", album->genre);
34   printf("    Tracks: %d\n\n",album->no_tracks);
35 }
36 
main()37 int main () {
38   LIBMTP_mtpdevice_t *device_list, *iter;
39 
40   LIBMTP_Init();
41 
42   fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");
43 
44   switch(LIBMTP_Get_Connected_Devices(&device_list))
45   {
46   case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
47     fprintf(stdout, "mtp-albums: No Devices have been found\n");
48     return 0;
49   case LIBMTP_ERROR_CONNECTING:
50     fprintf(stderr, "mtp-albums: There has been an error connecting. Exit\n");
51     return 1;
52   case LIBMTP_ERROR_MEMORY_ALLOCATION:
53     fprintf(stderr, "mtp-albums: Memory Allocation Error. Exit\n");
54     return 1;
55 
56   /* Unknown general errors - This should never execute */
57   case LIBMTP_ERROR_GENERAL:
58   default:
59     fprintf(stderr, "mtp-albums: Unknown error, please report "
60                     "this to the libmtp developers\n");
61   return 1;
62 
63   /* Successfully connected at least one device, so continue */
64   case LIBMTP_ERROR_NONE:
65     fprintf(stdout, "mtp-albums: Successfully connected\n");
66     fflush(stdout);
67   }
68 
69   /* iterate through connected MTP devices */
70   for(iter = device_list; iter != NULL; iter = iter->next)
71   {
72     char *friendlyname;
73     LIBMTP_album_t *album_list, *album, *tmp;
74 
75     /* Echo the friendly name so we know which device we are working with */
76     friendlyname = LIBMTP_Get_Friendlyname(iter);
77     if (friendlyname == NULL) {
78       printf("Retrieving Albums on Device with name: (NULL)\n");
79     } else {
80       printf("Retrieving Albums on Device with name: %s\n", friendlyname);
81       free(friendlyname);
82     }
83 
84     album_list = LIBMTP_Get_Album_List(iter);
85     album = album_list;
86     while(album != NULL)
87     {
88       dump_albuminfo(album);
89       tmp = album;
90       album = album->next;
91       LIBMTP_destroy_album_t(tmp);
92     }
93   }
94 
95   LIBMTP_Release_Device_List(device_list);
96   printf("OK.\n");
97   return 0;
98 }
99 
100