3 * Example program to list the tracks on a device.
5 * Copyright (C) 2005-2012 Linus Walleij <triad@df.lth.se>
6 * Copyright (C) 2007 Ted Bullock <tbullock@canada.com>
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.
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.
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.
26 static void dump_trackinfo(LIBMTP_track_t *track)
28 printf("Track ID: %u\n", track->item_id);
29 if (track->title != NULL)
30 printf(" Title: %s\n", track->title);
31 if (track->artist != NULL)
32 printf(" Artist: %s\n", track->artist);
33 if (track->genre != NULL)
34 printf(" Genre: %s\n", track->genre);
35 if (track->composer != NULL)
36 printf(" Composer: %s\n", track->composer);
37 if (track->album != NULL)
38 printf(" Album: %s\n", track->album);
39 if (track->date != NULL)
40 printf(" Date: %s\n", track->date);
41 if (track->filename != NULL)
42 printf(" Origfilename: %s\n", track->filename);
43 printf(" Track number: %d\n", track->tracknumber);
44 printf(" Duration: %d milliseconds\n", track->duration);
46 printf(" File size %I64u bytes\n", track->filesize);
48 printf(" File size %llu bytes\n", (long long unsigned int) track->filesize);
50 printf(" Filetype: %s\n", LIBMTP_Get_Filetype_Description(track->filetype));
51 if (track->samplerate != 0) {
52 printf(" Sample rate: %u Hz\n", track->samplerate);
54 if (track->nochannels != 0) {
55 printf(" Number of channels: %u\n", track->nochannels);
57 if (track->wavecodec != 0) {
58 printf(" WAVE fourCC code: 0x%08X\n", track->wavecodec);
60 if (track->bitrate != 0) {
61 printf(" Bitrate: %u bits/s\n", track->bitrate);
63 if (track->bitratetype != 0) {
64 if (track->bitratetype == 1) {
65 printf(" Bitrate type: Constant\n");
66 } else if (track->bitratetype == 2) {
67 printf(" Bitrate type: Variable (VBR)\n");
68 } else if (track->bitratetype == 3) {
69 printf(" Bitrate type: Free\n");
71 printf(" Bitrate type: Unknown/Erroneous value\n");
74 if (track->rating != 0) {
75 printf(" User rating: %u (out of 100)\n", track->rating);
77 if (track->usecount != 0) {
78 printf(" Use count: %u times\n", track->usecount);
82 int main (int argc, char **argv)
84 LIBMTP_mtpdevice_t *device_list, *device;
85 LIBMTP_track_t *tracks;
88 fprintf(stdout, "Attempting to connect device(s)\n");
90 switch(LIBMTP_Get_Connected_Devices(&device_list))
92 case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
93 fprintf(stdout, "mtp-tracks: No Devices have been found\n");
95 case LIBMTP_ERROR_CONNECTING:
96 fprintf(stderr, "mtp-tracks: There has been an error connecting. Exit\n");
98 case LIBMTP_ERROR_MEMORY_ALLOCATION:
99 fprintf(stderr, "mtp-tracks: Memory Allocation Error. Exit\n");
102 /* Unknown general errors - This should never execute */
103 case LIBMTP_ERROR_GENERAL:
105 fprintf(stderr, "mtp-tracks: Unknown error, please report "
106 "this to the libmtp developers\n");
109 /* Successfully connected at least one device, so continue */
110 case LIBMTP_ERROR_NONE:
111 fprintf(stdout, "mtp-tracks: Successfully connected\n");
115 /* iterate through connected MTP devices */
116 for(device = device_list; device != NULL; device = device->next) {
119 /* Echo the friendly name so we know which device we are working with */
120 friendlyname = LIBMTP_Get_Friendlyname(device);
121 if (friendlyname == NULL) {
122 printf("Friendly name: (NULL)\n");
124 printf("Friendly name: %s\n", friendlyname);
127 // Get track listing.
128 tracks = LIBMTP_Get_Tracklisting_With_Callback(device, NULL, NULL);
129 if (tracks == NULL) {
130 printf("No tracks.\n");
132 LIBMTP_track_t *track, *tmp;
134 while (track != NULL) {
135 dump_trackinfo(track);
138 LIBMTP_destroy_track_t(tmp);
143 LIBMTP_Release_Device_List(device_list);