[outputs] Make a wrapper for mp3 streaming so it can be included in

the generic outputs interface and so special handling in player.c can
be removed

src/outputs/streaming.c

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 Espen Jürgensen <espenjurgensen@gmail.com>
+ *
+ * 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
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+
+#include "outputs.h"
+#include "httpd_streaming.h"
+
+
+struct output_definition output_streaming =
+{
+  .name = "mp3 streaming",
+  .type = OUTPUT_TYPE_STREAMING,
+  .priority = 0,
+  .disabled = 0,
+  .write = streaming_write,
+};