/** * \file tracks.c * Example program to list the tracks on a device. * * Copyright (C) 2005-2007 Linus Walleij <triad@df.lth.se> * Copyright (C) 2007 Ted Bullock <tbullock@canada.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "common.h" #include <stdlib.h> static void dump_trackinfo(LIBMTP_track_t *track) { printf("Track ID: %u\n", track->item_id); if (track->title != NULL) printf(" Title: %s\n", track->title); if (track->artist != NULL) printf(" Artist: %s\n", track->artist); if (track->genre != NULL) printf(" Genre: %s\n", track->genre); if (track->composer != NULL) printf(" Composer: %s\n", track->composer); if (track->album != NULL) printf(" Album: %s\n", track->album); if (track->date != NULL) printf(" Date: %s\n", track->date); if (track->filename != NULL) printf(" Origfilename: %s\n", track->filename); printf(" Track number: %d\n", track->tracknumber); printf(" Duration: %d milliseconds\n", track->duration); #ifdef __WIN32__ printf(" File size %I64u bytes\n", track->filesize); #else printf(" File size %llu bytes\n", (long long unsigned int) track->filesize); #endif printf(" Filetype: %s\n", LIBMTP_Get_Filetype_Description(track->filetype)); if (track->samplerate != 0) { printf(" Sample rate: %u Hz\n", track->samplerate); } if (track->nochannels != 0) { printf(" Number of channels: %u\n", track->nochannels); } if (track->wavecodec != 0) { printf(" WAVE fourCC code: 0x%08X\n", track->wavecodec); } if (track->bitrate != 0) { printf(" Bitrate: %u bits/s\n", track->bitrate); } if (track->bitratetype != 0) { if (track->bitratetype == 1) { printf(" Bitrate type: Constant\n"); } else if (track->bitratetype == 2) { printf(" Bitrate type: Variable (VBR)\n"); } else if (track->bitratetype == 3) { printf(" Bitrate type: Free\n"); } else { printf(" Bitrate type: Unknown/Erroneous value\n"); } } if (track->rating != 0) { printf(" User rating: %u (out of 100)\n", track->rating); } if (track->usecount != 0) { printf(" Use count: %u times\n", track->usecount); } } int main (int argc, char **argv) { LIBMTP_mtpdevice_t *device_list, *iter; LIBMTP_track_t *tracks; LIBMTP_Init(); fprintf(stdout, "Attempting to connect device(s)\n"); switch(LIBMTP_Get_Connected_Devices(&device_list)) { case LIBMTP_ERROR_NO_DEVICE_ATTACHED: fprintf(stdout, "mtp-tracks: No Devices have been found\n"); return 0; case LIBMTP_ERROR_CONNECTING: fprintf(stderr, "mtp-tracks: There has been an error connecting. Exit\n"); return 1; case LIBMTP_ERROR_MEMORY_ALLOCATION: fprintf(stderr, "mtp-tracks: Memory Allocation Error. Exit\n"); return 1; /* Unknown general errors - This should never execute */ case LIBMTP_ERROR_GENERAL: default: fprintf(stderr, "mtp-tracks: Unknown error, please report " "this to the libmtp developers\n"); return 1; /* Successfully connected at least one device, so continue */ case LIBMTP_ERROR_NONE: fprintf(stdout, "mtp-tracks: Successfully connected\n"); fflush(stdout); } /* iterate through connected MTP devices */ for(iter = device_list; iter != NULL; iter = iter->next) { char *friendlyname; /* Echo the friendly name so we know which device we are working with */ friendlyname = LIBMTP_Get_Friendlyname(iter); if (friendlyname == NULL) { printf("Friendly name: (NULL)\n"); } else { printf("Friendly name: %s\n", friendlyname); free(friendlyname); } // Get track listing. tracks = LIBMTP_Get_Tracklisting_With_Callback(iter, NULL, NULL); if (tracks == NULL) { printf("No tracks.\n"); } else { LIBMTP_track_t *track, *tmp; track = tracks; while (track != NULL) { dump_trackinfo(track); tmp = track; track = track->next; LIBMTP_destroy_track_t(tmp); } } } LIBMTP_Release_Device_List(device_list); printf("OK.\n"); exit (0); }