src/output_command.c

   1 /*
   2  * Copyright (C) 2003-2009 The Music Player Daemon Project
   3  * http://www.musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 /*
  21  * Glue functions for controlling the audio outputs over the MPD
  22  * protocol.  These functions perform extra validation on all
  23  * parameters, because they might be from an untrusted source.
  24  *
  25  */
  26
  27 #include "output_command.h"
  28 #include "output_all.h"
  29 #include "output_internal.h"
  30 #include "output_plugin.h"
  31 #include "mixer_control.h"
  32 #include "idle.h"
  33
  34 bool
  35 audio_output_enable_index(unsigned idx)
  36 {
  37         struct audio_output *ao;
  38
  39         if (idx >= audio_output_count())
  40                 return false;
  41
  42         ao = audio_output_get(idx);
  43
  44         ao->enabled = true;
  45         idle_add(IDLE_OUTPUT);
  46
  47         return true;
  48 }
  49
  50 bool
  51 audio_output_disable_index(unsigned idx)
  52 {
  53         struct audio_output *ao;
  54         struct mixer *mixer;
  55
  56         if (idx >= audio_output_count())
  57                 return false;
  58
  59         ao = audio_output_get(idx);
  60
  61         ao->enabled = false;
  62         idle_add(IDLE_OUTPUT);
  63
  64         mixer = ao->mixer;
  65         if (mixer != NULL) {
  66                 mixer_close(mixer);
  67                 idle_add(IDLE_MIXER);
  68         }
  69
  70         return true;
  71 }