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-rw-r--r--src/OutputCommand.cxx90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/OutputCommand.cxx b/src/OutputCommand.cxx
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+++ b/src/OutputCommand.cxx
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+/*
+ * Copyright (C) 2003-2011 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"
+
+extern "C" {
+#include "output_all.h"
+#include "output_internal.h"
+#include "output_plugin.h"
+#include "mixer_control.h"
+#include "player_control.h"
+#include "idle.h"
+}
+
+extern unsigned audio_output_state_version;
+
+bool
+audio_output_enable_index(unsigned idx)
+{
+ struct audio_output *ao;
+
+ if (idx >= audio_output_count())
+ return false;
+
+ ao = audio_output_get(idx);
+ if (ao->enabled)
+ return true;
+
+ ao->enabled = true;
+ idle_add(IDLE_OUTPUT);
+
+ pc_update_audio(ao->player_control);
+
+ ++audio_output_state_version;
+
+ return true;
+}
+
+bool
+audio_output_disable_index(unsigned idx)
+{
+ struct audio_output *ao;
+ struct mixer *mixer;
+
+ if (idx >= audio_output_count())
+ return false;
+
+ ao = audio_output_get(idx);
+ if (!ao->enabled)
+ return true;
+
+ ao->enabled = false;
+ idle_add(IDLE_OUTPUT);
+
+ mixer = ao->mixer;
+ if (mixer != NULL) {
+ mixer_close(mixer);
+ idle_add(IDLE_MIXER);
+ }
+
+ pc_update_audio(ao->player_control);
+
+ ++audio_output_state_version;
+
+ return true;
+}