renamed src/audioOutputs/ to src/output/

Again, no CamelCase in the directory name.

src/output/null_plugin.c

@@ -0,0 +1,85 @@
+/* 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
+ */
+
+#include "../output_api.h"
+#include "../timer.h"
+#include "../utils.h"
+
+struct null_data {
+	Timer *timer;
+};
+
+static void *null_initDriver(mpd_unused struct audio_output *audioOutput,
+			     mpd_unused const struct audio_format *audio_format,
+			     mpd_unused ConfigParam *param)
+{
+	struct null_data *nd = xmalloc(sizeof(*nd));
+	nd->timer = NULL;
+	return nd;
+}
+
+static int null_openDevice(void *data,
+			   struct audio_format *audio_format)
+{
+	struct null_data *nd = data;
+
+	nd->timer = timer_new(audio_format);
+	return 0;
+}
+
+static void null_closeDevice(void *data)
+{
+	struct null_data *nd = data;
+
+	if (nd->timer != NULL) {
+		timer_free(nd->timer);
+		nd->timer = NULL;
+	}
+}
+
+static int null_playAudio(void *data,
+			  mpd_unused const char *playChunk, size_t size)
+{
+	struct null_data *nd = data;
+	Timer *timer = nd->timer;
+
+	if (!timer->started)
+		timer_start(timer);
+	else
+		timer_sync(timer);
+
+	timer_add(timer, size);
+
+	return 0;
+}
+
+static void null_dropBufferedAudio(void *data)
+{
+	struct null_data *nd = data;
+
+	timer_reset(nd->timer);
+}
+
+const struct audio_output_plugin nullPlugin = {
+	.name = "null",
+	.init = null_initDriver,
+	.open = null_openDevice,
+	.play = null_playAudio,
+	.cancel = null_dropBufferedAudio,
+	.close = null_closeDevice,
+};