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Diffstat (limited to '')
-rw-r--r-- | src/playlist/plugins/PlsPlaylistPlugin.cxx | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/playlist/plugins/PlsPlaylistPlugin.cxx b/src/playlist/plugins/PlsPlaylistPlugin.cxx new file mode 100644 index 000000000..7df7d134b --- /dev/null +++ b/src/playlist/plugins/PlsPlaylistPlugin.cxx @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2003-2014 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 "PlsPlaylistPlugin.hxx" +#include "../PlaylistPlugin.hxx" +#include "../MemorySongEnumerator.hxx" +#include "input/InputStream.hxx" +#include "DetachedSong.hxx" +#include "tag/TagBuilder.hxx" +#include "util/Error.hxx" +#include "util/Domain.hxx" +#include "Log.hxx" + +#include <glib.h> + +#include <string> +#include <stdio.h> + +#include <stdio.h> + +static constexpr Domain pls_domain("pls"); + +static void +pls_parser(GKeyFile *keyfile, std::forward_list<DetachedSong> &songs) +{ + gchar *value; + GError *error = nullptr; + int num_entries = g_key_file_get_integer(keyfile, "playlist", + "NumberOfEntries", &error); + if (error) { + FormatError(pls_domain, + "Invalid PLS file: '%s'", error->message); + g_error_free(error); + error = nullptr; + + /* 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 = nullptr; + } + } + + for (; num_entries > 0; --num_entries) { + char key[64]; + sprintf(key, "File%u", num_entries); + char *uri = g_key_file_get_string(keyfile, "playlist", key, + &error); + if(error) { + FormatError(pls_domain, "Invalid PLS entry %s: '%s'", + key, error->message); + g_error_free(error); + return; + } + + TagBuilder tag; + + sprintf(key, "Title%u", num_entries); + value = g_key_file_get_string(keyfile, "playlist", key, + nullptr); + if (value != nullptr) + tag.AddItem(TAG_TITLE, value); + + g_free(value); + + sprintf(key, "Length%u", num_entries); + int length = g_key_file_get_integer(keyfile, "playlist", key, + nullptr); + if (length > 0) + tag.SetTime(length); + + songs.emplace_front(uri, tag.Commit()); + g_free(uri); + } + +} + +static SongEnumerator * +pls_open_stream(InputStream &is) +{ + GError *error = nullptr; + Error error2; + + std::string kf_data; + + do { + char buffer[1024]; + size_t nbytes = is.LockRead(buffer, sizeof(buffer), error2); + if (nbytes == 0) { + if (error2.IsDefined()) { + LogError(error2); + return nullptr; + } + + break; + } + + kf_data.append(buffer, nbytes); + /* Limit to 64k */ + } while (kf_data.length() < 65536); + + if (kf_data.empty()) { + LogWarning(pls_domain, "KeyFile parser failed: No Data"); + return nullptr; + } + + GKeyFile *keyfile = g_key_file_new(); + if (!g_key_file_load_from_data(keyfile, + kf_data.data(), kf_data.length(), + G_KEY_FILE_NONE, &error)) { + FormatError(pls_domain, + "KeyFile parser failed: %s", error->message); + g_error_free(error); + g_key_file_free(keyfile); + return nullptr; + } + + std::forward_list<DetachedSong> songs; + pls_parser(keyfile, songs); + g_key_file_free(keyfile); + + return new MemorySongEnumerator(std::move(songs)); +} + +static const char *const pls_suffixes[] = { + "pls", + nullptr +}; + +static const char *const pls_mime_types[] = { + "audio/x-scpls", + nullptr +}; + +const struct playlist_plugin pls_playlist_plugin = { + "pls", + + nullptr, + nullptr, + nullptr, + pls_open_stream, + + nullptr, + pls_suffixes, + pls_mime_types, +}; |