1 /** 2 * \file tracks.c 3 * Example program to list the tracks on a device. 4 * 5 * Copyright (C) 2005-2007 Linus Walleij <triad (at) df.lth.se> 6 * Copyright (C) 2007 Ted Bullock <tbullock (at) 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 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 int main (int argc, char **argv) 83 { 84 LIBMTP_mtpdevice_t *device_list, *iter; 85 LIBMTP_track_t *tracks; 86 87 LIBMTP_Init(); 88 fprintf(stdout, "Attempting to connect device(s)\n"); 89 90 switch(LIBMTP_Get_Connected_Devices(&device_list)) 91 { 92 case LIBMTP_ERROR_NO_DEVICE_ATTACHED: 93 fprintf(stdout, "mtp-tracks: No Devices have been found\n"); 94 return 0; 95 case LIBMTP_ERROR_CONNECTING: 96 fprintf(stderr, "mtp-tracks: There has been an error connecting. Exit\n"); 97 return 1; 98 case LIBMTP_ERROR_MEMORY_ALLOCATION: 99 fprintf(stderr, "mtp-tracks: Memory Allocation Error. Exit\n"); 100 return 1; 101 102 /* Unknown general errors - This should never execute */ 103 case LIBMTP_ERROR_GENERAL: 104 default: 105 fprintf(stderr, "mtp-tracks: Unknown error, please report " 106 "this to the libmtp developers\n"); 107 return 1; 108 109 /* Successfully connected at least one device, so continue */ 110 case LIBMTP_ERROR_NONE: 111 fprintf(stdout, "mtp-tracks: Successfully connected\n"); 112 fflush(stdout); 113 } 114 115 /* iterate through connected MTP devices */ 116 for(iter = device_list; iter != NULL; iter = iter->next) 117 { 118 char *friendlyname; 119 /* Echo the friendly name so we know which device we are working with */ 120 friendlyname = LIBMTP_Get_Friendlyname(iter); 121 if (friendlyname == NULL) { 122 printf("Friendly name: (NULL)\n"); 123 } else { 124 printf("Friendly name: %s\n", friendlyname); 125 free(friendlyname); 126 } 127 128 // Get track listing. 129 tracks = LIBMTP_Get_Tracklisting_With_Callback(iter, NULL, NULL); 130 if (tracks == NULL) { 131 printf("No tracks.\n"); 132 } else { 133 LIBMTP_track_t *track, *tmp; 134 track = tracks; 135 while (track != NULL) { 136 dump_trackinfo(track); 137 tmp = track; 138 track = track->next; 139 LIBMTP_destroy_track_t(tmp); 140 } 141 } 142 } 143 144 LIBMTP_Release_Device_List(device_list); 145 printf("OK.\n"); 146 exit (0); 147 } 148 149
