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-rw-r--r--src/output/OutputCommand.cxx106
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;
+}