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authorMax Kellermann <max@duempel.org>2014-01-23 23:30:12 +0100
committerMax Kellermann <max@duempel.org>2014-01-23 23:30:12 +0100
commitf1f19841bdd291c055f59b6603f69278c66366d8 (patch)
tree96d674b367234c966df4055686566354a0852072 /src/playlist/plugins/ExtM3uPlaylistPlugin.cxx
parent655ad344140ee250f8becf67544dbe035a3460b1 (diff)
downloadmpd-f1f19841bdd291c055f59b6603f69278c66366d8.tar.gz
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playlist/*: move to playlist/plugins/
Diffstat (limited to 'src/playlist/plugins/ExtM3uPlaylistPlugin.cxx')
-rw-r--r--src/playlist/plugins/ExtM3uPlaylistPlugin.cxx149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/playlist/plugins/ExtM3uPlaylistPlugin.cxx b/src/playlist/plugins/ExtM3uPlaylistPlugin.cxx
new file mode 100644
index 000000000..ac27fb136
--- /dev/null
+++ b/src/playlist/plugins/ExtM3uPlaylistPlugin.cxx
@@ -0,0 +1,149 @@
+/*
+ * 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 "ExtM3uPlaylistPlugin.hxx"
+#include "../PlaylistPlugin.hxx"
+#include "../SongEnumerator.hxx"
+#include "DetachedSong.hxx"
+#include "tag/Tag.hxx"
+#include "tag/TagBuilder.hxx"
+#include "util/StringUtil.hxx"
+#include "TextInputStream.hxx"
+
+#include <string.h>
+#include <stdlib.h>
+
+class ExtM3uPlaylist final : public SongEnumerator {
+ TextInputStream tis;
+
+public:
+ ExtM3uPlaylist(InputStream &is)
+ :tis(is) {
+ }
+
+ bool CheckFirstLine() {
+ std::string line;
+ return tis.ReadLine(line) &&
+ strcmp(line.c_str(), "#EXTM3U") == 0;
+ }
+
+ virtual DetachedSong *NextSong() override;
+};
+
+static SongEnumerator *
+extm3u_open_stream(InputStream &is)
+{
+ ExtM3uPlaylist *playlist = new ExtM3uPlaylist(is);
+
+ if (!playlist->CheckFirstLine()) {
+ /* no EXTM3U header: fall back to the plain m3u
+ plugin */
+ delete playlist;
+ return NULL;
+ }
+
+ return playlist;
+}
+
+/**
+ * Parse a EXTINF line.
+ *
+ * @param line the rest of the input line after the colon
+ */
+static Tag
+extm3u_parse_tag(const char *line)
+{
+ long duration;
+ char *endptr;
+ const char *name;
+
+ duration = strtol(line, &endptr, 10);
+ if (endptr[0] != ',')
+ /* malformed line */
+ return Tag();
+
+ if (duration < 0)
+ /* 0 means unknown duration */
+ duration = 0;
+
+ name = strchug_fast(endptr + 1);
+ if (*name == 0 && duration == 0)
+ /* no information available; don't allocate a tag
+ object */
+ return Tag();
+
+ TagBuilder tag;
+ tag.SetTime(duration);
+
+ /* unfortunately, there is no real specification for the
+ EXTM3U format, so we must assume that the string after the
+ comma is opaque, and is just the song name*/
+ if (*name != 0)
+ tag.AddItem(TAG_NAME, name);
+
+ return tag.Commit();
+}
+
+DetachedSong *
+ExtM3uPlaylist::NextSong()
+{
+ Tag tag;
+ std::string line;
+ const char *line_s;
+
+ do {
+ if (!tis.ReadLine(line))
+ return NULL;
+
+ line_s = line.c_str();
+
+ if (StringStartsWith(line_s, "#EXTINF:")) {
+ tag = extm3u_parse_tag(line_s + 8);
+ continue;
+ }
+
+ line_s = strchug_fast(line_s);
+ } while (line_s[0] == '#' || *line_s == 0);
+
+ return new DetachedSong(line_s, std::move(tag));
+}
+
+static const char *const extm3u_suffixes[] = {
+ "m3u",
+ NULL
+};
+
+static const char *const extm3u_mime_types[] = {
+ "audio/x-mpegurl",
+ NULL
+};
+
+const struct playlist_plugin extm3u_playlist_plugin = {
+ "extm3u",
+
+ nullptr,
+ nullptr,
+ nullptr,
+ extm3u_open_stream,
+
+ nullptr,
+ extm3u_suffixes,
+ extm3u_mime_types,
+};