apps/menus/menu_common.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 Dan Everton
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stddef.h>
  23 #include <limits.h>
  24 #include "config.h"
  25 #include "action.h"
  26 #include "menu.h"
  27 #include "menu_common.h"
  28 #if CONFIG_CODEC == SWCODEC
  29 #include "pcmbuf.h"
  30 #endif
  31
  32 #if CONFIG_CODEC == SWCODEC
  33 /* Use this callback if your menu adjusts DSP settings. */
  34 int lowlatency_callback(int action, const struct menu_item_ex *this_item)
  35 {
  36     (void)this_item;
  37     switch (action)
  38     {
  39         case ACTION_ENTER_MENUITEM: /* on entering an item */
  40             pcmbuf_set_low_latency(true);
  41             break;
  42         case ACTION_EXIT_MENUITEM: /* on exit */
  43             pcmbuf_set_low_latency(false);
  44             break;
  45     }
  46     return action;
  47 }
  48 #endif
  49