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rockbox/apps/menus/sound_menu.c
PurlingNayuki f0bec023d9 Implement volume limiter feature 
Add a "volume limit" parameter to the configuration file. The maximum
value of volume setting in sound menu will be limited to the same as
volume limit. Also each time when setvol() is excuted, Rockbox will
check if the global_settings.volume value larger than
global_settings.volume_limit. If larger, take the value of volume_limit
instead. The volume_limit argument shares the same maximum and minimum values
with volume argument, while taking the maximum volume as its default value.

Change-Id: I8ca9bc6ea6e617b48fc346aae5f2a0a1d259ae36
Reviewed-on: http://gerrit.rockbox.org/697
Reviewed-by: Jonathan Gordon <rockbox@jdgordon.info>
2014-01-13 11:32:03 +01:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Jonathan Gordon
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include <stddef.h>
#include <limits.h>
#include "config.h"
#include "sound.h"
#include "lang.h"
#include "action.h"
#include "settings.h"
#include "menu.h"
#include "sound_menu.h"
#include "eq_menu.h"
#include "exported_menus.h"
#include "menu_common.h"
#include "splash.h"
#include "kernel.h"
#include "talk.h"
#include "option_select.h"
#include "misc.h"
static int32_t get_dec_talkid(int value, int unit)
{
return TALK_ID_DECIMAL(value, 1, unit);
}
static int volume_limit_callback(int action,const struct menu_item_ex *this_item)
{
(void)this_item;
static struct int_setting volume_limit_int_setting;
volume_limit_int_setting.option_callback = NULL;
volume_limit_int_setting.unit = UNIT_DB;
volume_limit_int_setting.min = sound_min(SOUND_VOLUME);
volume_limit_int_setting.max = sound_max(SOUND_VOLUME);
volume_limit_int_setting.step = sound_steps(SOUND_VOLUME);
volume_limit_int_setting.formatter = NULL;
volume_limit_int_setting.get_talk_id = get_dec_talkid;
struct settings_list setting;
setting.flags = F_BANFROMQS|F_INT_SETTING|F_T_INT|F_NO_WRAP;
setting.lang_id = LANG_VOLUME_LIMIT;
setting.default_val.int_ = sound_max(SOUND_VOLUME);
setting.int_setting = &volume_limit_int_setting;
switch (action)
{
case ACTION_ENTER_MENUITEM:
setting.setting = &global_settings.volume_limit;
option_screen(&setting, NULL, false, ID2P(LANG_VOLUME_LIMIT));
case ACTION_EXIT_MENUITEM: /* on exit */
setvol();
break;
}
return action;
}
/***********************************/
/* SOUND MENU */
MENUITEM_SETTING(volume, &global_settings.volume, NULL);
MENUITEM_SETTING(volume_limit, &global_settings.volume_limit, volume_limit_callback);
#ifdef AUDIOHW_HAVE_BASS
MENUITEM_SETTING(bass, &global_settings.bass,
#ifdef HAVE_SW_TONE_CONTROLS
lowlatency_callback
#else
NULL
#endif
);
#ifdef AUDIOHW_HAVE_BASS_CUTOFF
MENUITEM_SETTING(bass_cutoff, &global_settings.bass_cutoff, NULL);
#endif
#endif /* AUDIOHW_HAVE_BASS */
#ifdef AUDIOHW_HAVE_TREBLE
MENUITEM_SETTING(treble, &global_settings.treble,
#ifdef HAVE_SW_TONE_CONTROLS
lowlatency_callback
#else
NULL
#endif
);
#ifdef AUDIOHW_HAVE_TREBLE_CUTOFF
MENUITEM_SETTING(treble_cutoff, &global_settings.treble_cutoff, NULL);
#endif
#endif /* AUDIOHW_HAVE_TREBLE */
MENUITEM_SETTING(balance, &global_settings.balance, NULL);
MENUITEM_SETTING(channel_config, &global_settings.channel_config,
#if CONFIG_CODEC == SWCODEC
lowlatency_callback
#else
NULL
#endif
);
MENUITEM_SETTING(stereo_width, &global_settings.stereo_width,
#if CONFIG_CODEC == SWCODEC
lowlatency_callback
#else
NULL
#endif
);
#ifdef AUDIOHW_HAVE_DEPTH_3D
MENUITEM_SETTING(depth_3d, &global_settings.depth_3d, NULL);
#endif
#ifdef AUDIOHW_HAVE_FILTER_ROLL_OFF
MENUITEM_SETTING(roll_off, &global_settings.roll_off, NULL);
#endif
#if CONFIG_CODEC == SWCODEC
/* Crossfeed Submenu */
MENUITEM_SETTING(crossfeed, &global_settings.crossfeed, lowlatency_callback);
MENUITEM_SETTING(crossfeed_direct_gain,
&global_settings.crossfeed_direct_gain, lowlatency_callback);
MENUITEM_SETTING(crossfeed_cross_gain,
&global_settings.crossfeed_cross_gain, lowlatency_callback);
MENUITEM_SETTING(crossfeed_hf_attenuation,
&global_settings.crossfeed_hf_attenuation, lowlatency_callback);
MENUITEM_SETTING(crossfeed_hf_cutoff,
&global_settings.crossfeed_hf_cutoff, lowlatency_callback);
MAKE_MENU(crossfeed_menu,ID2P(LANG_CROSSFEED), NULL, Icon_NOICON,
&crossfeed, &crossfeed_direct_gain, &crossfeed_cross_gain,
&crossfeed_hf_attenuation, &crossfeed_hf_cutoff);
#ifdef HAVE_PITCHCONTROL
static int timestretch_callback(int action,const struct menu_item_ex *this_item)
{
switch (action)
{
case ACTION_EXIT_MENUITEM: /* on exit */
if (global_settings.timestretch_enabled && !dsp_timestretch_available())
splash(HZ*2, ID2P(LANG_PLEASE_REBOOT));
break;
}
lowlatency_callback(action, this_item);
return action;
}
MENUITEM_SETTING(timestretch_enabled,
&global_settings.timestretch_enabled, timestretch_callback);
#endif
MENUITEM_SETTING(dithering_enabled,
&global_settings.dithering_enabled, lowlatency_callback);
/* compressor submenu */
MENUITEM_SETTING(compressor_threshold,
&global_settings.compressor_settings.threshold,
lowlatency_callback);
MENUITEM_SETTING(compressor_gain,
&global_settings.compressor_settings.makeup_gain,
lowlatency_callback);
MENUITEM_SETTING(compressor_ratio,
&global_settings.compressor_settings.ratio,
lowlatency_callback);
MENUITEM_SETTING(compressor_knee,
&global_settings.compressor_settings.knee,
lowlatency_callback);
MENUITEM_SETTING(compressor_attack,
&global_settings.compressor_settings.attack_time,
lowlatency_callback);
MENUITEM_SETTING(compressor_release,
&global_settings.compressor_settings.release_time,
lowlatency_callback);
MAKE_MENU(compressor_menu,ID2P(LANG_COMPRESSOR), NULL, Icon_NOICON,
&compressor_threshold, &compressor_gain, &compressor_ratio,
&compressor_knee, &compressor_attack, &compressor_release);
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
MENUITEM_SETTING(loudness, &global_settings.loudness, NULL);
MENUITEM_SETTING(avc, &global_settings.avc, NULL);
MENUITEM_SETTING(superbass, &global_settings.superbass, NULL);
MENUITEM_SETTING(mdb_enable, &global_settings.mdb_enable, NULL);
MENUITEM_SETTING(mdb_strength, &global_settings.mdb_strength, NULL);
MENUITEM_SETTING(mdb_harmonics, &global_settings.mdb_harmonics, NULL);
MENUITEM_SETTING(mdb_center, &global_settings.mdb_center, NULL);
MENUITEM_SETTING(mdb_shape, &global_settings.mdb_shape, NULL);
#endif
#ifdef HAVE_SPEAKER
MENUITEM_SETTING(speaker_enabled, &global_settings.speaker_enabled, NULL);
#endif
#ifdef AUDIOHW_HAVE_EQ
#endif /* AUDIOHW_HAVE_EQ */
MAKE_MENU(sound_settings, ID2P(LANG_SOUND_SETTINGS), NULL, Icon_Audio,
&volume
,&volume_limit
#ifdef AUDIOHW_HAVE_BASS
,&bass
#endif
#ifdef AUDIOHW_HAVE_BASS_CUTOFF
,&bass_cutoff
#endif
#ifdef AUDIOHW_HAVE_TREBLE
,&treble
#endif
#ifdef AUDIOHW_HAVE_TREBLE_CUTOFF
,&treble_cutoff
#endif
#ifdef AUDIOHW_HAVE_EQ
,&audiohw_eq_tone_controls
#endif
,&balance,&channel_config,&stereo_width
#ifdef AUDIOHW_HAVE_DEPTH_3D
,&depth_3d
#endif
#ifdef AUDIOHW_HAVE_FILTER_ROLL_OFF
,&roll_off
#endif
#if CONFIG_CODEC == SWCODEC
,&crossfeed_menu, &equalizer_menu, &dithering_enabled
#ifdef HAVE_PITCHCONTROL
,&timestretch_enabled
#endif
,&compressor_menu
#endif
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
,&loudness,&avc,&superbass,&mdb_enable,&mdb_strength
,&mdb_harmonics,&mdb_center,&mdb_shape
#endif
#ifdef HAVE_SPEAKER
,&speaker_enabled
#endif
);
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