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-rw-r--r--src/output/null_plugin.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/output/null_plugin.c b/src/output/null_plugin.c
new file mode 100644
index 000000000..ff3a9833c
--- /dev/null
+++ b/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,
+};