/* Sort the playlist by file names. */
void plist_sort_fname (struct plist *plist)
{
struct plist_item *sorted;
struct rb_node *x;
int n;
if (plist_count(plist) == 0)
return;
sorted = (struct plist_item *)xmalloc (plist_count(plist) *
sizeof(struct plist_item));
x = rb_min (plist->search_tree);
assert (!rb_is_null(x));
while (plist_deleted(plist, (intptr_t)rb_get_data (x)))
x = rb_next (x);
sorted[0] = plist->items[(intptr_t)rb_get_data (x)];
rb_set_data (x, NULL);
n = 1;
while (!rb_is_null(x = rb_next(x))) {
if (!plist_deleted(plist, (intptr_t)rb_get_data (x))) {
sorted[n] = plist->items[(intptr_t)rb_get_data (x)];
rb_set_data (x, (void *)(intptr_t)n++);
}
}
plist->num = n;
plist->not_deleted = n;
memcpy (plist->items, sorted, sizeof(struct plist_item) * n);
free (sorted);
}
/* Make a title from the file name for the item. If hide extension != 0, strip
* the file name from extension. */
void make_file_title (struct plist *plist, const int num,
const int hide_extension)
{
assert (plist != NULL);
assert (num >= 0 && num < plist->num);
assert (!plist_deleted(plist, num));
if (file_type(plist->items[num].file) != F_URL) {
char *file = xstrdup (plist->items[num].file);
if (hide_extension) {
char *dot = strrchr (file, '.');
if (dot)
*dot = 0;
}
if (options_get_int ("FileNamesIconv"))
{
char *old_title = file;
file = files_iconv_str (file);
free (old_title);
}
plist_set_title_file (plist, num, file);
free (file);
}
else
plist_set_title_file (plist, num, plist->items[num].file);
}
/* Return the index of the last non-deleted item from the playlist.
* Return -1 if there are no items. */
int plist_last (const struct plist *plist)
{
int i;
i = plist->num - 1;
while (i > 0 && plist_deleted(plist, i))
i--;
return i;
}
/* Switch playlist titles to title_file */
void switch_titles_file (struct plist *plist)
{
int i;
int hide_extension = options_get_int("HideFileExtension");
for (i = 0; i < plist->num; i++)
if (!plist_deleted(plist, i)) {
if (!plist->items[i].title_file)
make_file_title (plist, i, hide_extension);
assert (plist->items[i].title_file != NULL);
plist->items[i].title = plist->items[i].title_file;
}
}
/* Find an item in the list. Return the index or -1 if not found. */
int plist_find_fname (struct plist *plist, const char *file)
{
struct rb_node *x;
assert (plist != NULL);
x = rb_search (plist->search_tree, file);
if (rb_is_null(x))
return -1;
return !plist_deleted(plist, (intptr_t)rb_get_data (x)) ?
(intptr_t)rb_get_data (x) : -1;
}
void plist_discard_tags (struct plist *plist)
{
int i;
assert (plist != NULL);
for (i = 0; i < plist->num; i++)
if (!plist_deleted(plist, i) && plist->items[i].tags) {
tags_free (plist->items[i].tags);
plist->items[i].tags = NULL;
}
plist->items_with_time = 0;
plist->total_time = 0;
}
/* Add the content of playlist b to a by copying items. */
void plist_cat (struct plist *a, struct plist *b)
{
int i;
assert (a != NULL);
assert (b != NULL);
for (i = 0; i < b->num; i++) {
assert (b->items[i].file != NULL);
if (!plist_deleted (b, i) &&
plist_find_fname (a, b->items[i].file) == -1)
plist_add_from_item (a, &b->items[i]);
}
}
/* Find an item in the list; also find deleted items. If there is more than
* one item for this file, return the non-deleted one or, if all are deleted,
* return the last of them. Return the index or -1 if not found. */
int plist_find_del_fname (const struct plist *plist, const char *file)
{
int i;
int item = -1;
assert (plist != NULL);
for (i = 0; i < plist->num; i++) {
if (plist->items[i].file
&& !strcmp(plist->items[i].file, file)) {
if (item == -1 || plist_deleted(plist, item))
item = i;
}
}
return item;
}
/* Switch playlist titles to title_tags */
void switch_titles_tags (struct plist *plist)
{
int i;
for (i = 0; i < plist->num; i++)
if (!plist_deleted(plist, i)) {
if (plist->items[i].title_tags)
plist->items[i].title
= plist->items[i].title_tags;
else {
if (!plist->items[i].title_file)
make_file_title (plist, i,
options_get_int("HideFileExtension"));
plist->items[i].title
= plist->items[i].title_file;
}
}
}
/* Returns the next filename that is a dead entry, or NULL if there are none
* left.
*
* It will set the index on success.
*/
const char *plist_get_next_dead_entry (const struct plist *plist,
int *last_index)
{
int i;
assert (last_index != NULL);
assert (plist != NULL);
for (i = *last_index; i < plist->num; i++) {
if (plist->items[i].file
&& ! plist_deleted(plist, i)
&& ! can_read_file(plist->items[i].file)) {
*last_index = i + 1;
return plist->items[i].file;
}
}
return NULL;
}
/* Client requested we send the queue so we get it from audio.c and
* send it to the client. */
static int req_send_queue (struct client *cli)
{
int i;
struct plist *queue;
logit ("Client with fd %d wants queue... sending it", cli->socket);
if (!send_int(cli->socket, EV_DATA)) {
logit ("Error while sending response; disconnecting the client");
close (cli->socket);
del_client (cli);
return 0;
}
queue = audio_queue_get_contents ();
for (i = 0; i < queue->num; i++)
if (!plist_deleted(queue, i)) {
if(!send_item(cli->socket, &queue->items[i])){
logit ("Error sending queue; disconnecting the client");
close (cli->socket);
del_client (cli);
free (queue);
return 0;
}
}
plist_free (queue);
free (queue);
if (!send_item (cli->socket, NULL)) {
logit ("Error while sending end of playlist mark; "
"disconnecting the client");
close (cli->socket);
del_client (cli);
return 0;
}
logit ("Queue sent");
return 1;
}
/* Make a title from the tags for the item. */
void make_tags_title (struct plist *plist, const int num)
{
assert (plist != NULL);
assert (num >= 0 && num < plist->num);
assert (!plist_deleted(plist, num));
if (file_type(plist->items[num].file) == F_URL)
make_file_title (plist, num, 0);
else if (!plist->items[num].title_tags) {
char *title;
assert (plist->items[num].file != NULL);
if (plist->items[num].tags->title) {
title = build_title (plist->items[num].tags);
plist_set_title_tags (plist, num, title);
free (title);
}
else
make_file_title (plist, num,
options_get_int("HideFileExtension"));
}
}
/* Save plist in m3u format. Strip paths by strip_path bytes.
* If save_serial is not 0, the playlist serial is saved in a
* comment. */
static int plist_save_m3u (struct plist *plist, const char *fname,
const int strip_path, const int save_serial)
{
FILE *file;
int i;
debug ("Saving playlist to '%s'", fname);
if (!(file = fopen(fname, "w"))) {
error ("Can't save playlist: %s", strerror(errno));
return 0;
}
if (flock(fileno(file), LOCK_EX) == -1)
logit ("Can't flock() the playlist file: %s", strerror(errno));
if (fprintf(file, "#EXTM3U\r\n") < 0) {
error ("Error writing playlist: %s", strerror(errno));
fclose (file);
return 0;
}
if (save_serial && fprintf(file, "#MOCSERIAL: %d\r\n",
plist_get_serial(plist)) < 0) {
error ("Error writing playlist: %s", strerror(errno));
fclose (file);
return 0;
}
for (i = 0; i < plist->num; i++) {
if (!plist_deleted(plist, i)) {
int ret;
/* EXTM3U */
if (plist->items[i].tags)
ret = fprintf (file, "#EXTINF:%d,%s\r\n",
plist->items[i].tags->time,
plist->items[i].title_tags ?
plist->items[i].title_tags
: plist->items[i].title_file);
else
ret = fprintf (file, "#EXTINF:%d,%s\r\n", 0,
plist->items[i].title_file);
if (ret < 0) {
error ("Error writing playlist: %s",
strerror(errno));
fclose (file);
return 0;
}
/* file */
if (fprintf(file, "%s\r\n", plist->items[i].file
+ strip_path) < 0) {
error ("Error writing playlist: %s",
strerror(errno));
fclose (file);
return 0;
}
}
}
if (flock(fileno(file), LOCK_UN) == -1)
logit ("Can't flock() (unlock) the playlist file: %s",
strerror(errno));
if (fclose(file)) {
error ("Error writing playlist: %s", strerror(errno));
return 0;
}
return 1;
}
/* Save plist in m3u format. Strip paths by strip_path bytes.
* If save_serial is not 0, the playlist serial is saved in a
* comment. */
static int plist_save_m3u (struct plist *plist, const char *fname,
const int strip_path, const int save_serial)
{
FILE *file = NULL;
int i, ret, result = 0;
debug ("Saving playlist to '%s'", fname);
file = fopen (fname, "w");
if (!file) {
error_errno ("Can't save playlist", errno);
return 0;
}
/* Lock gets released by fclose(). */
if (lockf (fileno (file), F_LOCK, 0) == -1)
log_errno ("Can't lock the playlist file", errno);
if (fprintf (file, "#EXTM3U\r\n") < 0) {
error_errno ("Error writing playlist", errno);
goto err;
}
if (save_serial && fprintf (file, "#MOCSERIAL: %d\r\n",
plist_get_serial (plist)) < 0) {
error_errno ("Error writing playlist", errno);
goto err;
}
for (i = 0; i < plist->num; i++) {
if (!plist_deleted (plist, i)) {
/* EXTM3U */
if (plist->items[i].tags)
ret = fprintf (file, "#EXTINF:%d,%s\r\n",
plist->items[i].tags->time,
plist->items[i].title_tags ?
plist->items[i].title_tags
: plist->items[i].title_file);
else
ret = fprintf (file, "#EXTINF:%d,%s\r\n", 0,
plist->items[i].title_file);
/* file */
if (ret >= 0)
ret = fprintf (file, "%s\r\n",
plist->items[i].file + strip_path);
if (ret < 0) {
error_errno ("Error writing playlist", errno);
goto err;
}
}
}
ret = fclose (file);
file = NULL;
if (ret)
error_errno ("Error writing playlist", errno);
else
result = 1;
err:
if (file)
fclose (file);
return result;
}
