1 files changed, 49 insertions, 0 deletions
diff --git a/src/metadata_pipe.h b/src/metadata_pipe.h
new file mode 100644
index 000000000..e54c67584
--- /dev/null
+++ b/src/metadata_pipe.h
@@ -0,0 +1,49 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef METADATA_PIPE_H
+#define METADATA_PIPE_H
+
+#include "tag.h"
+#include "mpd_types.h"
+
+void init_metadata_pipe(void);
+
+/*
+ * Called by the decoder thread, this inserts a tag pointer into the pipe
+ * DO NOT FREE the tag placed into the pipe; that is that job of the
+ * caller of metadata_pipe_recv() or metadata_pipe_clear().
+ */
+void metadata_pipe_send(MpdTag * tag, float metadata_time);
+
+/*
+ * Reads and consumes one MpdTag pointer off the pipe.  The caller
+ * of this MUST free the MpdTag pointer after it is done using it.
+ */
+MpdTag * metadata_pipe_recv(void);
+
+/*
+ * Returns the last read MpdTag from metadata_pipe_recv(), caller
+ * must free this pointer when it is done using it.
+ */
+MpdTag * metadata_pipe_current(void);
+
+/* Clears all MpdTag pointers on the pipe, freeing all associated elements */
+void metadata_pipe_clear(void);
+
+#endif /* METADATA_PIPE_H */