1 files changed, 106 insertions, 0 deletions
diff --git a/src/output/OutputCommand.cxx b/src/output/OutputCommand.cxx
new file mode 100644
index 000000000..6afb70cf1
--- /dev/null
+++ b/src/output/OutputCommand.cxx
@@ -0,0 +1,106 @@
+/*
+ * 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.
+ */
+
+/*
+ * Glue functions for controlling the audio outputs over the MPD
+ * protocol.  These functions perform extra validation on all
+ * parameters, because they might be from an untrusted source.
+ *
+ */
+
+#include "config.h"
+#include "OutputCommand.hxx"
+#include "MultipleOutputs.hxx"
+#include "Internal.hxx"
+#include "PlayerControl.hxx"
+#include "mixer/MixerControl.hxx"
+#include "Idle.hxx"
+
+extern unsigned audio_output_state_version;
+
+bool
+audio_output_enable_index(MultipleOutputs &outputs, unsigned idx)
+{
+	if (idx >= outputs.Size())
+		return false;
+
+	AudioOutput &ao = outputs.Get(idx);
+	if (ao.enabled)
+		return true;
+
+	ao.enabled = true;
+	idle_add(IDLE_OUTPUT);
+
+	ao.player_control->UpdateAudio();
+
+	++audio_output_state_version;
+
+	return true;
+}
+
+bool
+audio_output_disable_index(MultipleOutputs &outputs, unsigned idx)
+{
+	if (idx >= outputs.Size())
+		return false;
+
+	AudioOutput &ao = outputs.Get(idx);
+	if (!ao.enabled)
+		return true;
+
+	ao.enabled = false;
+	idle_add(IDLE_OUTPUT);
+
+	Mixer *mixer = ao.mixer;
+	if (mixer != nullptr) {
+		mixer_close(mixer);
+		idle_add(IDLE_MIXER);
+	}
+
+	ao.player_control->UpdateAudio();
+
+	++audio_output_state_version;
+
+	return true;
+}
+
+bool
+audio_output_toggle_index(MultipleOutputs &outputs, unsigned idx)
+{
+	if (idx >= outputs.Size())
+		return false;
+
+	AudioOutput &ao = outputs.Get(idx);
+	const bool enabled = ao.enabled = !ao.enabled;
+	idle_add(IDLE_OUTPUT);
+
+	if (!enabled) {
+		Mixer *mixer = ao.mixer;
+		if (mixer != nullptr) {
+			mixer_close(mixer);
+			idle_add(IDLE_MIXER);
+		}
+	}
+
+	ao.player_control->UpdateAudio();
+
+	++audio_output_state_version;
+
+	return true;
+}