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/**
* \file tracks.c
* Example program to list the tracks on a device.
*
* Copyright (C) 2005-2012 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);
}
}
static void
dump_tracks(LIBMTP_mtpdevice_t *device, uint32_t storageid, int leaf)
{
LIBMTP_file_t *files;
/* Get track listing. */
files = LIBMTP_Get_Files_And_Folders(device,
storageid,
leaf);
if (files == NULL) {
LIBMTP_Dump_Errorstack(device);
LIBMTP_Clear_Errorstack(device);
} else {
LIBMTP_file_t *file, *tmp;
file = files;
while (file != NULL) {
/* Please don't print these */
if (file->filetype == LIBMTP_FILETYPE_FOLDER) {
dump_tracks(device, storageid, file->item_id);
} else if (LIBMTP_FILETYPE_IS_TRACK(file->filetype)) {
LIBMTP_track_t *track;
track = LIBMTP_Get_Trackmetadata(device, file->item_id);
dump_trackinfo(track);
LIBMTP_destroy_track_t(track);
}
tmp = file;
file = file->next;
LIBMTP_destroy_file_t(tmp);
}
}
}
int main (int argc, char **argv)
{
LIBMTP_raw_device_t *rawdevices;
int numrawdevices;
LIBMTP_error_number_t err;
int i;
LIBMTP_Init();
fprintf(stdout, "Attempting to connect device(s)\n");
err = LIBMTP_Detect_Raw_Devices(&rawdevices, &numrawdevices);
switch(err)
{
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);
break;
}
/* Iterate through connected MTP devices */
for (i = 0; i < numrawdevices; i++) {
LIBMTP_mtpdevice_t *device;
LIBMTP_devicestorage_t *storage;
char *friendlyname;
device = LIBMTP_Open_Raw_Device_Uncached(&rawdevices[i]);
if (device == NULL) {
fprintf(stderr, "Unable to open raw device %d\n", i);
continue;
}
/* Echo the friendly name so we know which device we are working with */
friendlyname = LIBMTP_Get_Friendlyname(device);
if (friendlyname == NULL) {
printf("Friendly name: (NULL)\n");
} else {
printf("Friendly name: %s\n", friendlyname);
free(friendlyname);
}
LIBMTP_Dump_Errorstack(device);
LIBMTP_Clear_Errorstack(device);
/* Loop over storages */
for (storage = device->storage; storage != 0; storage = storage->next) {
dump_tracks(device, storage->id, LIBMTP_FILES_AND_FOLDERS_ROOT);
}
LIBMTP_Release_Device(device);
}
printf("OK.\n");
exit (0);
}
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