1 /**
2 * \file tracks.c
3 * Example program to list the tracks on a device.
4 *
5 * Copyright (C) 2005-2012 Linus Walleij <triad@df.lth.se>
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_trackinfo(LIBMTP_track_t * track)26 static void dump_trackinfo(LIBMTP_track_t *track)
27 {
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);
45 #ifdef __WIN32__
46 printf(" File size %I64u bytes\n", track->filesize);
47 #else
48 printf(" File size %llu bytes\n", (long long unsigned int) track->filesize);
49 #endif
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);
53 }
54 if (track->nochannels != 0) {
55 printf(" Number of channels: %u\n", track->nochannels);
56 }
57 if (track->wavecodec != 0) {
58 printf(" WAVE fourCC code: 0x%08X\n", track->wavecodec);
59 }
60 if (track->bitrate != 0) {
61 printf(" Bitrate: %u bits/s\n", track->bitrate);
62 }
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");
70 } else {
71 printf(" Bitrate type: Unknown/Erroneous value\n");
72 }
73 }
74 if (track->rating != 0) {
75 printf(" User rating: %u (out of 100)\n", track->rating);
76 }
77 if (track->usecount != 0) {
78 printf(" Use count: %u times\n", track->usecount);
79 }
80 }
81
82 static void
dump_tracks(LIBMTP_mtpdevice_t * device,uint32_t storageid,int leaf)83 dump_tracks(LIBMTP_mtpdevice_t *device, uint32_t storageid, int leaf)
84 {
85 LIBMTP_file_t *files;
86
87 /* Get track listing. */
88 files = LIBMTP_Get_Files_And_Folders(device,
89 storageid,
90 leaf);
91 if (files == NULL) {
92 LIBMTP_Dump_Errorstack(device);
93 LIBMTP_Clear_Errorstack(device);
94 } else {
95 LIBMTP_file_t *file, *tmp;
96
97 file = files;
98 while (file != NULL) {
99 /* Please don't print these */
100 if (file->filetype == LIBMTP_FILETYPE_FOLDER) {
101 dump_tracks(device, storageid, file->item_id);
102 } else if (LIBMTP_FILETYPE_IS_TRACK(file->filetype)) {
103 LIBMTP_track_t *track;
104
105 track = LIBMTP_Get_Trackmetadata(device, file->item_id);
106 dump_trackinfo(track);
107 LIBMTP_destroy_track_t(track);
108 }
109 tmp = file;
110 file = file->next;
111 LIBMTP_destroy_file_t(tmp);
112 }
113 }
114 }
115
main(int argc,char ** argv)116 int main (int argc, char **argv)
117 {
118 LIBMTP_raw_device_t *rawdevices;
119 int numrawdevices;
120 LIBMTP_error_number_t err;
121 int i;
122
123 LIBMTP_Init();
124 fprintf(stdout, "Attempting to connect device(s)\n");
125
126 err = LIBMTP_Detect_Raw_Devices(&rawdevices, &numrawdevices);
127 switch(err)
128 {
129 case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
130 fprintf(stdout, "mtp-tracks: No Devices have been found\n");
131 return 0;
132 case LIBMTP_ERROR_CONNECTING:
133 fprintf(stderr, "mtp-tracks: There has been an error connecting. Exit\n");
134 return 1;
135 case LIBMTP_ERROR_MEMORY_ALLOCATION:
136 fprintf(stderr, "mtp-tracks: Memory Allocation Error. Exit\n");
137 return 1;
138
139 /* Unknown general errors - This should never execute */
140 case LIBMTP_ERROR_GENERAL:
141 default:
142 fprintf(stderr, "mtp-tracks: Unknown error, please report "
143 "this to the libmtp developers\n");
144 return 1;
145
146 /* Successfully connected at least one device, so continue */
147 case LIBMTP_ERROR_NONE:
148 fprintf(stdout, "mtp-tracks: Successfully connected\n");
149 fflush(stdout);
150 break;
151 }
152
153 /* Iterate through connected MTP devices */
154 for (i = 0; i < numrawdevices; i++) {
155 LIBMTP_mtpdevice_t *device;
156 LIBMTP_devicestorage_t *storage;
157 char *friendlyname;
158
159 device = LIBMTP_Open_Raw_Device_Uncached(&rawdevices[i]);
160 if (device == NULL) {
161 fprintf(stderr, "Unable to open raw device %d\n", i);
162 continue;
163 }
164
165 /* Echo the friendly name so we know which device we are working with */
166 friendlyname = LIBMTP_Get_Friendlyname(device);
167 if (friendlyname == NULL) {
168 printf("Friendly name: (NULL)\n");
169 } else {
170 printf("Friendly name: %s\n", friendlyname);
171 free(friendlyname);
172 }
173
174 LIBMTP_Dump_Errorstack(device);
175 LIBMTP_Clear_Errorstack(device);
176
177 /* Loop over storages */
178 for (storage = device->storage; storage != 0; storage = storage->next) {
179 dump_tracks(device, storage->id, LIBMTP_FILES_AND_FOLDERS_ROOT);
180 }
181
182 LIBMTP_Release_Device(device);
183 }
184
185 printf("OK.\n");
186 exit (0);
187 }
188
189