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authorQball Cow <qball@sarine.nl>2009-10-15 00:08:06 +0200
committerMax Kellermann <max@duempel.org>2009-10-15 00:08:06 +0200
commitf4ea9b7393a0e5802c2689af1696cd5de8fd961a (patch)
tree390620b4b54299843f8c7befc336e2081cb1c142 /src
parent1ff101c56869d3f520dc5ac738d43b7944068075 (diff)
downloadmpd-f4ea9b7393a0e5802c2689af1696cd5de8fd961a.tar.gz
mpd-f4ea9b7393a0e5802c2689af1696cd5de8fd961a.tar.xz
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Add PLS Parser
Diffstat (limited to '')
-rw-r--r--src/playlist/pls_playlist_plugin.c215
-rw-r--r--src/playlist/pls_playlist_plugin.h25
-rw-r--r--src/playlist_list.c2
3 files changed, 242 insertions, 0 deletions
diff --git a/src/playlist/pls_playlist_plugin.c b/src/playlist/pls_playlist_plugin.c
new file mode 100644
index 000000000..ede057acc
--- /dev/null
+++ b/src/playlist/pls_playlist_plugin.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "playlist/pls_playlist_plugin.h"
+#include "playlist_plugin.h"
+#include "input_stream.h"
+#include "uri.h"
+#include "song.h"
+#include "tag.h"
+#include <glib.h>
+
+struct pls_playlist {
+ struct playlist_provider base;
+
+ GSList *songs;
+};
+
+static void pls_parser(GKeyFile *keyfile, struct pls_playlist *playlist)
+{
+ gchar *key;
+ gchar *value;
+ int length;
+ GError *error = NULL;
+ int num_entries = g_key_file_get_integer(keyfile, "playlist",
+ "NumberOfEntries", &error);
+ if (error) {
+ g_debug("Invalid PLS file: '%s'", error->message);
+ g_error_free(error);
+ error = NULL;
+
+ /* Hack to work around shoutcast failure to comform to spec */
+ num_entries = g_key_file_get_integer(keyfile, "playlist",
+ "numberofentries", &error);
+ if (error) {
+ g_error_free(error);
+ error = NULL;
+ }
+ }
+
+ while (num_entries > 0) {
+ struct song *song;
+ key = g_strdup_printf("File%i", num_entries);
+ value = g_key_file_get_string(keyfile, "playlist", key,
+ &error);
+ if(error) {
+ g_debug("Invalid PLS entry %s: '%s'",key, error->message);
+ g_error_free(error);
+ g_free(key);
+ return;
+ }
+ g_free(key);
+
+ /* Don't load local path */
+ if(!uri_has_scheme(value)){
+ g_free(value);
+ continue;
+ }
+
+ song = song_remote_new(value);
+ g_free(value);
+
+ key = g_strdup_printf("Title%i", num_entries);
+ value = g_key_file_get_string(keyfile, "playlist", key,
+ &error);
+ g_free(key);
+ if(error == NULL && value){
+ if (song->tag == NULL)
+ song->tag = tag_new();
+ tag_add_item(song->tag,TAG_TITLE, value);
+ }
+ /* Ignore errors? Most likely value not present */
+ if(error) g_error_free(error);
+ error = NULL;
+ g_free(value);
+
+ key = g_strdup_printf("Length%i", num_entries);
+ length = g_key_file_get_integer(keyfile, "playlist", key,
+ &error);
+ g_free(key);
+ if(error == NULL && length > 0){
+ if (song->tag == NULL)
+ song->tag = tag_new();
+ song->tag->time = length;
+ }
+ /* Ignore errors? Most likely value not present */
+ if(error) g_error_free(error);
+ error = NULL;
+
+ playlist->songs = g_slist_prepend(playlist->songs, song);
+ num_entries--;
+ }
+
+}
+
+static struct playlist_provider *
+pls_open_stream(struct input_stream *is)
+{
+ GError *error = NULL;
+ size_t nbytes;
+ char buffer[1024];
+ bool success;
+ GKeyFile *keyfile;
+ struct pls_playlist *playlist;
+ GString *kf_data = g_string_new("");
+
+ do {
+ nbytes = input_stream_read(is, buffer, sizeof(buffer));
+ if(nbytes ==0)
+ break;
+ kf_data = g_string_append_len(kf_data, buffer,nbytes);
+ /* Limit to 64k */
+ } while(kf_data->len < 65536);
+
+ if (kf_data->len == 0) {
+ g_warning("KeyFile parser failed: No Data");
+ g_string_free(kf_data, TRUE);
+ return NULL;
+ }
+
+ keyfile = g_key_file_new();
+ success = g_key_file_load_from_data(keyfile,
+ kf_data->str, kf_data->len,
+ G_KEY_FILE_NONE, &error);
+
+ g_string_free(kf_data, TRUE);
+
+ if (!success) {
+ g_warning("KeyFile parser failed: %s", error->message);
+ g_error_free(error);
+ g_key_file_free(keyfile);
+ return NULL;
+ }
+
+ playlist = g_new(struct pls_playlist, 1);
+ playlist_provider_init(&playlist->base, &pls_playlist_plugin);
+ playlist->songs = NULL;
+
+ pls_parser(keyfile, playlist);
+
+ g_key_file_free(keyfile);
+ return &playlist->base;
+}
+
+
+static void
+song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
+{
+ struct song *song = data;
+
+ song_free(song);
+}
+
+static void
+pls_close(struct playlist_provider *_playlist)
+{
+ struct pls_playlist *playlist = (struct pls_playlist *)_playlist;
+
+ g_slist_foreach(playlist->songs, song_free_callback, NULL);
+ g_slist_free(playlist->songs);
+
+ g_free(playlist);
+
+}
+
+static struct song *
+pls_read(struct playlist_provider *_playlist)
+{
+ struct pls_playlist *playlist = (struct pls_playlist *)_playlist;
+ struct song *song;
+
+ if (playlist->songs == NULL)
+ return NULL;
+
+ song = playlist->songs->data;
+ playlist->songs = g_slist_remove(playlist->songs, song);
+
+ return song;
+}
+
+static const char *const pls_suffixes[] = {
+ "pls",
+ NULL
+};
+
+static const char *const pls_mime_types[] = {
+ "audio/x-scpls",
+ NULL
+};
+
+const struct playlist_plugin pls_playlist_plugin = {
+ .name = "pls",
+
+ .open_stream = pls_open_stream,
+ .close = pls_close,
+ .read = pls_read,
+
+ .suffixes = pls_suffixes,
+ .mime_types = pls_mime_types,
+};
diff --git a/src/playlist/pls_playlist_plugin.h b/src/playlist/pls_playlist_plugin.h
new file mode 100644
index 000000000..7bf1951b8
--- /dev/null
+++ b/src/playlist/pls_playlist_plugin.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_PLAYLIST_PLS_PLAYLIST_PLUGIN_H
+#define MPD_PLAYLIST_PLS_PLAYLIST_PLUGIN_H
+
+extern const struct playlist_plugin pls_playlist_plugin;
+
+#endif
diff --git a/src/playlist_list.c b/src/playlist_list.c
index 85a10e9d9..d68f6fa1d 100644
--- a/src/playlist_list.c
+++ b/src/playlist_list.c
@@ -22,6 +22,7 @@
#include "playlist/m3u_playlist_plugin.h"
#include "playlist/xspf_playlist_plugin.h"
#include "playlist/lastfm_playlist_plugin.h"
+#include "playlist/pls_playlist_plugin.h"
#include "input_stream.h"
#include "uri.h"
#include "utils.h"
@@ -36,6 +37,7 @@
static const struct playlist_plugin *const playlist_plugins[] = {
&m3u_playlist_plugin,
&xspf_playlist_plugin,
+ &pls_playlist_plugin,
#ifdef ENABLE_LASTFM
&lastfm_playlist_plugin,
#endif