/* * Copyright (C) 2003-2010 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 "config.h" #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); 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), &error); if (nbytes == 0) { if (error != NULL) { g_string_free(kf_data, TRUE); g_warning("%s", error->message); g_error_free(error); return NULL; } 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, };