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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <stddef.h>
  21 #include <limits.h>
  22 #include "config.h"
  23 #include "action.h"
  24 #include "menu.h"
  25 #include "menu_common.h"
  26 #if CONFIG_CODEC == SWCODEC
  27 #include "pcmbuf.h"
  28 #endif
  29
  30 #if CONFIG_CODEC == SWCODEC
  31 /* Use this callback if your menu adjusts DSP settings. */
  32 int lowlatency_callback(int action, const struct menu_item_ex *this_item)
  33 {
  34     (void)this_item;
  35     switch (action)
  36     {
  37         case ACTION_ENTER_MENUITEM: /* on entering an item */
  38             pcmbuf_set_low_latency(true);
  39             break;
  40         case ACTION_EXIT_MENUITEM: /* on exit */
  41             pcmbuf_set_low_latency(false);
  42             break;
  43     }
  44     return action;
  45 }
  46 #endif
  47