src/output_state.h

   1 /*
   2  * Copyright (C) 2003-2010 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  * Saving and loading the audio output states to/from the state file.
  22  *
  23  */
  24
  25 #ifndef OUTPUT_STATE_H
  26 #define OUTPUT_STATE_H
  27
  28 #include <stdbool.h>
  29 #include <stdio.h>
  30
  31 bool
  32 audio_output_state_read(const char *line);
  33
  34 void
  35 audio_output_state_save(FILE *fp);
  36
  37 /**
  38  * Generates a version number for the current state of the audio
  39  * outputs.  This is used by timer_save_state_file() to determine
  40  * whether the state has changed and the state file should be saved.
  41  */
  42 unsigned
  43 audio_output_state_get_version(void);
  44
  45 #endif