static int add_track_to_album(LIBMTP_album_t *albuminfo, LIBMTP_track_t *trackmeta)
{
LIBMTP_album_t *album;
LIBMTP_album_t *album_orig;
LIBMTP_album_t *found_album = NULL;
int ret;
/* Look for the album */
album = LIBMTP_Get_Album_List(device);
album_orig = album;
while(album != NULL) {
if ((album->name != NULL &&
album->artist != NULL &&
!strcmp(album->name, albuminfo->name) &&
!strcmp(album->artist, albuminfo->artist)) ||
(album->name != NULL &&
album->composer != NULL &&
!strcmp(album->name, albuminfo->name) &&
!strcmp(album->composer, albuminfo->composer))) {
/* Disconnect this album for later use */
found_album = album;
album = album->next;
found_album->next = NULL;
} else {
album = album->next;
}
}
if (found_album == NULL) {
printf("Could not find Album. Retrying with only Album name\n");
album = album_orig;
while(album != NULL) {
if ((album->name != NULL) &&
!strcmp(album->name, albuminfo->name) ){
/* Disconnect this album for later use */
found_album = album;
album = album->next;
found_album->next = NULL;
} else {
album = album->next;
}
}
}
if (found_album != NULL) {
uint32_t *tracks;
tracks = (uint32_t *)malloc((found_album->no_tracks+1) * sizeof(uint32_t));
printf("Album \"%s\" found: updating...\n", found_album->name);
if (!tracks) {
printf("failed malloc in add_track_to_album()\n");
return 1;
}
found_album->no_tracks++;
if (found_album->tracks != NULL) {
memcpy(tracks, found_album->tracks, found_album->no_tracks * sizeof(uint32_t));
free(found_album->tracks);
}
tracks[found_album->no_tracks-1] = trackmeta->item_id;
found_album->tracks = tracks;
ret = LIBMTP_Update_Album(device, found_album);
} else {
uint32_t *trackid;
trackid = (uint32_t *)malloc(sizeof(uint32_t));
*trackid = trackmeta->item_id;
albuminfo->tracks = trackid;
albuminfo->no_tracks = 1;
albuminfo->storage_id = trackmeta->storage_id;
printf("Album doesn't exist: creating...\n");
ret = LIBMTP_Create_New_Album(device, albuminfo);
/* albuminfo will be destroyed later by caller */
}
/* Delete the earlier retrieved Album list */
album=album_orig;
while(album!=NULL){
LIBMTP_album_t *tmp;
tmp = album;
album = album->next;
LIBMTP_destroy_album_t(tmp);
}
if (ret != 0) {
printf("Error creating or updating album.\n");
printf("(This could be due to that your device does not support albums.)\n");
LIBMTP_Dump_Errorstack(device);
LIBMTP_Clear_Errorstack(device);
} else {
printf("success!\n");
}
return ret;
}
int main () {
LIBMTP_mtpdevice_t *device_list, *iter;
LIBMTP_Init();
fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");
switch(LIBMTP_Get_Connected_Devices(&device_list))
{
case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
fprintf(stdout, "mtp-albums: No Devices have been found\n");
return 0;
case LIBMTP_ERROR_CONNECTING:
fprintf(stderr, "mtp-albums: There has been an error connecting. Exit\n");
return 1;
case LIBMTP_ERROR_MEMORY_ALLOCATION:
fprintf(stderr, "mtp-albums: Memory Allocation Error. Exit\n");
return 1;
case LIBMTP_ERROR_GENERAL:
default:
fprintf(stderr, "mtp-albums: Unknown error, please report "
"this to the libmtp developers\n");
return 1;
case LIBMTP_ERROR_NONE:
fprintf(stdout, "mtp-albums: Successfully connected\n");
fflush(stdout);
}
for(iter = device_list; iter != NULL; iter = iter->next)
{
char *friendlyname;
LIBMTP_album_t *album_list, *album, *tmp;
friendlyname = LIBMTP_Get_Friendlyname(iter);
if (friendlyname == NULL) {
printf("Retrieving Albums on Device with name: (NULL)\n");
} else {
printf("Retrieving Albums on Device with name: %s\n", friendlyname);
free(friendlyname);
}
album_list = LIBMTP_Get_Album_List(iter);
album = album_list;
while(album != NULL)
{
dump_albuminfo(album);
tmp = album;
album = album->next;
LIBMTP_destroy_album_t(tmp);
}
}
LIBMTP_Release_Device_List(device_list);
printf("OK.\n");
return 0;
}
static gboolean
load_mtp_db_idle_cb (RBMtpSource* source)
{
RhythmDB *db = NULL;
RBMtpSourcePrivate *priv = MTP_SOURCE_GET_PRIVATE (source);
LIBMTP_track_t *tracks = NULL;
LIBMTP_album_t *albums;
gboolean device_forgets_albums = TRUE;
db = get_db_for_source (source);
g_assert (db != NULL);
albums = LIBMTP_Get_Album_List (priv->device);
report_libmtp_errors (priv->device, FALSE);
if (albums != NULL) {
LIBMTP_album_t *album;
for (album = albums; album != NULL; album = album->next) {
rb_debug ("album: %s, %d tracks", album->name, album->no_tracks);
g_hash_table_insert (priv->album_map, album->name, album);
if (album->no_tracks != 0) {
device_forgets_albums = FALSE;
}
}
if (device_forgets_albums) {
rb_debug ("stupid mtp device detected. will rebuild all albums.");
}
} else {
rb_debug ("No albums");
device_forgets_albums = FALSE;
}
#ifdef HAVE_LIBMTP_030
tracks = LIBMTP_Get_Tracklisting_With_Callback (priv->device, NULL, NULL);
#else
tracks = LIBMTP_Get_Tracklisting (priv->device);
#endif
report_libmtp_errors (priv->device, FALSE);
if (tracks != NULL) {
LIBMTP_track_t *track;
for (track = tracks; track != NULL; track = track->next) {
add_mtp_track_to_db (source, db, track);
if (device_forgets_albums && track->album != NULL) {
add_track_to_album (source, track->album, track);
}
}
} else {
rb_debug ("No tracks");
}
/* for stupid devices, remove any albums left with no tracks */
if (device_forgets_albums) {
GHashTableIter iter;
gpointer value;
LIBMTP_album_t *album;
g_hash_table_iter_init (&iter, priv->album_map);
while (g_hash_table_iter_next (&iter, NULL, &value)) {
int ret;
album = value;
if (album->no_tracks == 0) {
rb_debug ("pruning empty album \"%s\"", album->name);
ret = LIBMTP_Delete_Object (priv->device, album->album_id);
if (ret != 0) {
report_libmtp_errors (priv->device, FALSE);
}
g_hash_table_iter_remove (&iter);
}
}
}
g_object_unref (G_OBJECT (db));
return FALSE;
}
static void
get_track_list (RBMtpThread *thread, RBMtpThreadTask *task)
{
RBMtpTrackListCallback cb = task->callback;
gboolean device_forgets_albums = TRUE;
GHashTable *update_albums = NULL;
LIBMTP_track_t *tracks = NULL;
LIBMTP_album_t *albums;
LIBMTP_album_t *album;
/* get all the albums */
albums = LIBMTP_Get_Album_List (thread->device);
rb_mtp_thread_report_errors (thread, FALSE);
if (albums != NULL) {
LIBMTP_album_t *album;
for (album = albums; album != NULL; album = album->next) {
if (album->name == NULL)
continue;
rb_debug ("album: %s, %d tracks", album->name, album->no_tracks);
g_hash_table_insert (thread->albums, album->name, album);
if (album->no_tracks != 0) {
device_forgets_albums = FALSE;
}
}
if (device_forgets_albums) {
rb_debug ("stupid mtp device detected. will rebuild all albums.");
}
} else {
rb_debug ("No albums");
device_forgets_albums = FALSE;
}
tracks = LIBMTP_Get_Tracklisting_With_Callback (thread->device, NULL, NULL);
rb_mtp_thread_report_errors (thread, FALSE);
if (tracks == NULL) {
rb_debug ("no tracks on the device");
} else if (device_forgets_albums) {
LIBMTP_track_t *track;
rb_debug ("rebuilding albums");
update_albums = g_hash_table_new (g_direct_hash, g_direct_equal);
for (track = tracks; track != NULL; track = track->next) {
if (track->album != NULL) {
gboolean new_album = FALSE;
album = add_track_to_album (thread, track->album, track->item_id, track->storage_id, &new_album);
g_hash_table_insert (update_albums, album, GINT_TO_POINTER (new_album));
}
}
rb_debug ("finished rebuilding albums");
}
cb (tracks, task->user_data);
/* the callback owns the tracklist */
if (device_forgets_albums) {
GHashTableIter iter;
gpointer album_ptr;
gpointer new_album_ptr;
rb_debug ("writing rebuilt albums back to the device");
g_hash_table_iter_init (&iter, update_albums);
while (g_hash_table_iter_next (&iter, &album_ptr, &new_album_ptr)) {
album = album_ptr;
rb_debug ("writing album \"%s\"", album->name);
write_album_to_device (thread, album, GPOINTER_TO_INT (new_album_ptr));
}
g_hash_table_destroy (update_albums);
rb_debug ("removing remaining empty albums");
g_hash_table_iter_init (&iter, thread->albums);
while (g_hash_table_iter_next (&iter, NULL, &album_ptr)) {
int ret;
album = album_ptr;
if (album->no_tracks == 0) {
rb_debug ("pruning empty album \"%s\"", album->name);
ret = LIBMTP_Delete_Object (thread->device, album->album_id);
if (ret != 0) {
rb_mtp_thread_report_errors (thread, FALSE);
}
g_hash_table_iter_remove (&iter);
}
}
rb_debug ("finished updating albums on the device");
}
}
void Plugin::AppendAlbum (LIBMTP_mtpdevice_t *device, LIBMTP_track_t *track, const UnmountableFileInfo& info)
{
auto albuminfo = LIBMTP_new_album_t ();
albuminfo->artist = strdup (info.Artist_.toUtf8 ().constData ());
albuminfo->name = strdup (info.Album_.toUtf8 ().constData ());
albuminfo->genre = strdup (info.Genres_.join ("; ").toUtf8 ().constData ());
auto album = LIBMTP_Get_Album_List (device);
auto albumOrig = album;
decltype (album) foundAlbum = nullptr, resultingAlgum = nullptr;
while (album)
{
if (album->name &&
(album->artist || album->composer) &&
QString::fromUtf8 (album->name) == info.Album_ &&
(QString::fromUtf8 (album->artist) == info.Artist_ ||
QString::fromUtf8 (album->composer) == info.Artist_))
{
foundAlbum = album;
album = album->next;
foundAlbum->next = nullptr;
}
else
album = album->next;
}
if (foundAlbum)
{
auto tracks = static_cast<uint32_t*> (malloc ((foundAlbum->no_tracks + 1) * sizeof (uint32_t)));
++foundAlbum->no_tracks;
if (foundAlbum->tracks)
{
memcpy (tracks, foundAlbum->tracks, foundAlbum->no_tracks * sizeof (uint32_t));
free (foundAlbum->tracks);
}
tracks [foundAlbum->no_tracks - 1] = track->item_id;
foundAlbum->tracks = tracks;
if (LIBMTP_Update_Album (device, foundAlbum))
{
LIBMTP_Dump_Errorstack (device);
LIBMTP_Clear_Errorstack (device);
}
resultingAlgum = foundAlbum;
}
else
{
auto trackId = static_cast<uint32_t*> (malloc (sizeof (uint32_t)));
*trackId = track->item_id;
albuminfo->tracks = trackId;
albuminfo->no_tracks = 1;
albuminfo->storage_id = track->storage_id;
if (LIBMTP_Create_New_Album (device, albuminfo))
{
LIBMTP_Dump_Errorstack (device);
LIBMTP_Clear_Errorstack (device);
}
resultingAlgum = albuminfo;
}
SetAlbumArt (device, resultingAlgum, info.AlbumArtPath_);
while (albumOrig)
{
auto tmp = albumOrig;
albumOrig = albumOrig->next;
LIBMTP_destroy_album_t (tmp);
}
LIBMTP_destroy_album_t (albuminfo);
}