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rockbox/apps/menus/eq_menu.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: eq_menu.c 12179 2007-02-01 23:08:15Z amiconn $
*
* Copyright (C) 2006 Dan Everton
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include "eq_menu.h"
#include "system.h"
#include "kernel.h"
#include "lcd.h"
#include "menu.h"
#include "action.h"
#include "mp3_playback.h"
#include "settings.h"
#include "statusbar.h"
#include "screens.h"
#include "icons.h"
#include "font.h"
#include "lang.h"
#include "sprintf.h"
#include "talk.h"
#include "misc.h"
#include "sound.h"
#include "splash.h"
#include "dsp.h"
#include "tree.h"
#include "talk.h"
#include "screen_access.h"
#include "keyboard.h"
#include "gui/scrollbar.h"
#include "eq_menu.h"
/*
* Utility functions
*/
void eq_gain_format(char* buffer, size_t buffer_size, int value, const char* unit)
{
int v = abs(value);
snprintf(buffer, buffer_size, "%s%d.%d %s", value < 0 ? "-" : "",
v / EQ_USER_DIVISOR, v % EQ_USER_DIVISOR, unit);
}
void eq_q_format(char* buffer, size_t buffer_size, int value, const char* unit)
{
snprintf(buffer, buffer_size, "%d.%d %s", value / EQ_USER_DIVISOR, value % EQ_USER_DIVISOR, unit);
}
void eq_precut_format(char* buffer, size_t buffer_size, int value, const char* unit)
{
snprintf(buffer, buffer_size, "%s%d.%d %s", value == 0 ? " " : "-",
value / EQ_USER_DIVISOR, value % EQ_USER_DIVISOR, unit);
}
/*
* Settings functions
*/
void eq_apply(void)
{
int i;
dsp_set_eq(global_settings.eq_enabled);
dsp_set_eq_precut(global_settings.eq_precut);
/* Update all bands */
for(i = 0; i < 5; i++) {
dsp_set_eq_coefs(i);
}
}
int enable_callback(int action, const struct menu_item_ex *this_item)
{
(void)this_item;
if (action == ACTION_EXIT_MENUITEM)
eq_apply();
return action;
}
MENUITEM_SETTING(eq_enable, &global_settings.eq_enabled, enable_callback);
MENUITEM_SETTING(eq_precut, &global_settings.eq_precut, enable_callback);
int dsp_set_coefs_callback(int action, const struct menu_item_ex *this_item)
{
(void)this_item;
if (action == ACTION_EXIT_MENUITEM)
{
/* for now, set every band... figure out a better way later */
int i=0;
for (i=0; i<5; i++)
dsp_set_eq_coefs(i);
}
return action;
}
char* gainitem_get_name(int selected_item, void * data, char *buffer)
{
(void)selected_item;
int *setting = (int*)data;
snprintf(buffer, MAX_PATH, str(LANG_EQUALIZER_GAIN_ITEM), *setting);
return buffer;
}
int gainitem_speak_item(int selected_item, void * data)
{
(void)selected_item;
int *setting = (int*)data;
talk_number(*setting, false);
talk_id(LANG_EQUALIZER_GAIN_ITEM, true);
return 0;
}
int do_option(void* param)
{
const struct menu_item_ex *setting = (const struct menu_item_ex*)param;
do_setting_from_menu(setting);
eq_apply();
return 0;
}
MENUITEM_SETTING(cutoff_0, &global_settings.eq_band0_cutoff, dsp_set_coefs_callback);
MENUITEM_SETTING(cutoff_1, &global_settings.eq_band1_cutoff, dsp_set_coefs_callback);
MENUITEM_SETTING(cutoff_2, &global_settings.eq_band2_cutoff, dsp_set_coefs_callback);
MENUITEM_SETTING(cutoff_3, &global_settings.eq_band3_cutoff, dsp_set_coefs_callback);
MENUITEM_SETTING(cutoff_4, &global_settings.eq_band4_cutoff, dsp_set_coefs_callback);
MENUITEM_SETTING(q_0, &global_settings.eq_band0_q, dsp_set_coefs_callback);
MENUITEM_SETTING(q_1, &global_settings.eq_band1_q, dsp_set_coefs_callback);
MENUITEM_SETTING(q_2, &global_settings.eq_band2_q, dsp_set_coefs_callback);
MENUITEM_SETTING(q_3, &global_settings.eq_band3_q, dsp_set_coefs_callback);
MENUITEM_SETTING(q_4, &global_settings.eq_band4_q, dsp_set_coefs_callback);
MENUITEM_SETTING(gain_0, &global_settings.eq_band0_gain, dsp_set_coefs_callback);
MENUITEM_SETTING(gain_1, &global_settings.eq_band1_gain, dsp_set_coefs_callback);
MENUITEM_SETTING(gain_2, &global_settings.eq_band2_gain, dsp_set_coefs_callback);
MENUITEM_SETTING(gain_3, &global_settings.eq_band3_gain, dsp_set_coefs_callback);
MENUITEM_SETTING(gain_4, &global_settings.eq_band4_gain, dsp_set_coefs_callback);
MENUITEM_FUNCTION_DYNTEXT(gain_item_0, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_0,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band0_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_1, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_1,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band1_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_2, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_2,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band2_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_3, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_3,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band3_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_4, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_4,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band4_cutoff, NULL, Icon_NOICON);
MAKE_MENU(gain_menu, ID2P(LANG_EQUALIZER_GAIN), NULL, Icon_NOICON, &gain_item_0,
&gain_item_1, &gain_item_2, &gain_item_3, &gain_item_4);
static const struct menu_item_ex *band_items[3][3] = {
{ &cutoff_1, &q_1, &gain_1 },
{ &cutoff_2, &q_2, &gain_2 },
{ &cutoff_3, &q_3, &gain_3 }
};
char* centerband_get_name(int selected_item, void * data, char *buffer)
{
(void)selected_item;
int band = (intptr_t)data;
snprintf(buffer, MAX_PATH, str(LANG_EQUALIZER_BAND_PEAK), band);
return buffer;
}
int centerband_speak_item(int selected_item, void * data)
{
(void)selected_item;
int band = (intptr_t)data;
talk_id(LANG_EQUALIZER_BAND_PEAK, false);
talk_number(band, true);
return 0;
}
int do_center_band_menu(void* param)
{
int band = (intptr_t)param;
struct menu_item_ex menu;
struct menu_callback_with_desc cb_and_desc;
char desc[MAX_PATH];
cb_and_desc.menu_callback = NULL;
snprintf(desc, MAX_PATH, str(LANG_EQUALIZER_BAND_PEAK), band);
cb_and_desc.desc = desc;
cb_and_desc.icon_id = Icon_EQ;
menu.flags = MT_MENU|(3<<MENU_COUNT_SHIFT)|MENU_HAS_DESC;
menu.submenus = band_items[band-1];
menu.callback_and_desc = &cb_and_desc;
do_menu(&menu, NULL);
return 0;
}
MAKE_MENU(band_0_menu, ID2P(LANG_EQUALIZER_BAND_LOW_SHELF), NULL,
Icon_EQ, &cutoff_0, &q_0, &gain_0);
MENUITEM_FUNCTION_DYNTEXT(band_1_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)1,
centerband_get_name, centerband_speak_item,
(void*)1, NULL, Icon_EQ);
MENUITEM_FUNCTION_DYNTEXT(band_2_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)2,
centerband_get_name, centerband_speak_item,
(void*)2, NULL, Icon_EQ);
MENUITEM_FUNCTION_DYNTEXT(band_3_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)3,
centerband_get_name, centerband_speak_item,
(void*)3, NULL, Icon_EQ);
MAKE_MENU(band_4_menu, ID2P(LANG_EQUALIZER_BAND_HIGH_SHELF), NULL,
Icon_EQ, &cutoff_4, &q_4, &gain_4);
MAKE_MENU(advanced_eq_menu_, ID2P(LANG_EQUALIZER_ADVANCED), NULL, Icon_EQ,
&band_0_menu, &band_1_menu, &band_2_menu, &band_3_menu, &band_4_menu);
enum eq_slider_mode {
GAIN,
CUTOFF,
Q,
};
enum eq_type {
LOW_SHELF,
PEAK,
HIGH_SHELF
};
/* Draw the UI for a whole EQ band */
static int draw_eq_slider(struct screen * screen, int x, int y,
int width, int cutoff, int q, int gain, bool selected,
enum eq_slider_mode mode, enum eq_type type)
{
char buf[26];
const char separator[2] = " ";
int steps, min_item, max_item;
int abs_gain = abs(gain);
int current_x, total_height, separator_width, separator_height;
int w, h;
const int slider_height = 6;
switch(mode) {
case Q:
steps = EQ_Q_MAX - EQ_Q_MIN;
min_item = q - EQ_Q_STEP - EQ_Q_MIN;
max_item = q + EQ_Q_STEP - EQ_Q_MIN;
break;
case CUTOFF:
steps = EQ_CUTOFF_MAX - EQ_CUTOFF_MIN;
min_item = cutoff - EQ_CUTOFF_FAST_STEP * 2;
max_item = cutoff + EQ_CUTOFF_FAST_STEP * 2;
break;
case GAIN:
default:
steps = EQ_GAIN_MAX - EQ_GAIN_MIN;
min_item = abs(EQ_GAIN_MIN) + gain - EQ_GAIN_STEP * 5;
max_item = abs(EQ_GAIN_MIN) + gain + EQ_GAIN_STEP * 5;
break;
}
/* Start two pixels in, one for border, one for margin */
current_x = x + 2;
/* Figure out how large our separator string is */
screen->getstringsize(separator, &separator_width, &separator_height);
/* Total height includes margins, text, and line selector */
total_height = separator_height + slider_height + 2 + 3;
/* Print out the band label */
if (type == LOW_SHELF) {
screen->putsxy(current_x, y + 2, "LS:");
screen->getstringsize("LS:", &w, &h);
} else if (type == HIGH_SHELF) {
screen->putsxy(current_x, y + 2, "HS:");
screen->getstringsize("HS:", &w, &h);
} else {
screen->putsxy(current_x, y + 2, "PK:");
screen->getstringsize("PK:", &w, &h);
}
current_x += w;
/* Print separator */
screen->set_drawmode(DRMODE_SOLID);
screen->putsxy(current_x, y + 2, separator);
current_x += separator_width;
#if NB_SCREENS > 1
if (screen->screen_type == SCREEN_REMOTE) {
if (mode == GAIN) {
screen->putsxy(current_x, y + 2, str(LANG_GAIN));
screen->getstringsize(str(LANG_GAIN), &w, &h);
} else if (mode == CUTOFF) {
screen->putsxy(current_x, y + 2, str(LANG_EQUALIZER_BAND_CUTOFF));
screen->getstringsize(str(LANG_EQUALIZER_BAND_CUTOFF), &w, &h);
} else {
screen->putsxy(current_x, y + 2, str(LANG_EQUALIZER_BAND_Q));
screen->getstringsize(str(LANG_EQUALIZER_BAND_Q), &w, &h);
}
/* Draw horizontal slider. Reuse scrollbar for this */
gui_scrollbar_draw(screen, x + 3, y + h + 3, width - 6, slider_height, steps,
min_item, max_item, HORIZONTAL);
/* Print out cutoff part */
snprintf(buf, sizeof(buf), "%sGain %s%2d.%ddB",mode==GAIN?" > ":" ", gain < 0 ? "-" : " ",
abs_gain / EQ_USER_DIVISOR, abs_gain % EQ_USER_DIVISOR);
screen->getstringsize(buf, &w, &h);
y = 3*h;
screen->putsxy(0, y, buf);
/* Print out cutoff part */
snprintf(buf, sizeof(buf), "%sCutoff %5dHz",mode==CUTOFF?" > ":" ", cutoff);
y += h;
screen->putsxy(0, y, buf);
snprintf(buf, sizeof(buf), "%sQ setting %d.%d Q",mode==Q?" > ":" ", q / EQ_USER_DIVISOR,
q % EQ_USER_DIVISOR);
y += h;
screen->putsxy(0, y, buf);
return y;
}
#endif
/* Print out gain part of status line */
snprintf(buf, sizeof(buf), "%s%2d.%ddB", gain < 0 ? "-" : " ",
abs_gain / EQ_USER_DIVISOR, abs_gain % EQ_USER_DIVISOR);
if (mode == GAIN && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
screen->putsxy(current_x, y + 2, buf);
screen->getstringsize(buf, &w, &h);
current_x += w;
/* Print separator */
screen->set_drawmode(DRMODE_SOLID);
screen->putsxy(current_x, y + 2, separator);
current_x += separator_width;
/* Print out cutoff part of status line */
snprintf(buf, sizeof(buf), "%5dHz", cutoff);
if (mode == CUTOFF && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
screen->putsxy(current_x, y + 2, buf);
screen->getstringsize(buf, &w, &h);
current_x += w;
/* Print separator */
screen->set_drawmode(DRMODE_SOLID);
screen->putsxy(current_x, y + 2, separator);
current_x += separator_width;
/* Print out Q part of status line */
snprintf(buf, sizeof(buf), "%d.%d Q", q / EQ_USER_DIVISOR,
q % EQ_USER_DIVISOR);
if (mode == Q && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
screen->putsxy(current_x, y + 2, buf);
screen->getstringsize(buf, &w, &h);
current_x += w;
screen->set_drawmode(DRMODE_SOLID);
/* Draw selection box */
if (selected) {
screen->drawrect(x, y, width, total_height);
}
/* Draw horizontal slider. Reuse scrollbar for this */
gui_scrollbar_draw(screen, x + 3, y + h + 3, width - 6, slider_height, steps,
min_item, max_item, HORIZONTAL);
return total_height;
}
/* Draw's all the EQ sliders. Returns the total height of the sliders drawn */
static int draw_eq_sliders(int current_band, enum eq_slider_mode mode)
{
int i, gain, q, cutoff;
int height = 2; /* Two pixel margin */
int slider_width[NB_SCREENS];
int *setting = &global_settings.eq_band0_cutoff;
enum eq_type type;
FOR_NB_SCREENS(i)
slider_width[i] = screens[i].width - 4; /* two pixel margin on each side */
for (i=0; i<5; i++) {
cutoff = *setting++;
q = *setting++;
gain = *setting++;
if (i == 0) {
type = LOW_SHELF;
} else if (i == 4) {
type = HIGH_SHELF;
} else {
type = PEAK;
}
height += draw_eq_slider(&(screens[SCREEN_MAIN]), 2, height,
slider_width[SCREEN_MAIN], cutoff, q, gain,
i == current_band, mode, type);
#if NB_SCREENS > 1
if (i == current_band)
draw_eq_slider(&(screens[SCREEN_REMOTE]), 2, 0,
slider_width[SCREEN_REMOTE], cutoff, q, gain,1, mode, type);
#endif
/* add a margin */
height += 2;
}
return height;
}
/* Provides a graphical means of editing the EQ settings */
bool eq_menu_graphical(void)
{
bool exit_request = false;
bool result = true;
bool has_changed = false;
int button;
int *setting;
int current_band, y, step, fast_step, min, max, voice_unit;
enum eq_slider_mode mode;
enum eq_type current_type;
char buf[24];
int i;
FOR_NB_SCREENS(i) {
screens[i].setfont(FONT_SYSFIXED);
screens[i].clear_display();
}
/* Start off editing gain on the first band */
mode = GAIN;
current_type = LOW_SHELF;
current_band = 0;
while (!exit_request) {
FOR_NB_SCREENS(i) {
/* Clear the screen. The drawing routines expect this */
screens[i].clear_display();
/* Draw equalizer band details */
y = draw_eq_sliders(current_band, mode);
}
/* Set pointer to the band data currently editable */
if (mode == GAIN) {
/* gain */
setting = &global_settings.eq_band0_gain;
setting += current_band * 3;
step = EQ_GAIN_STEP;
fast_step = EQ_GAIN_FAST_STEP;
min = EQ_GAIN_MIN;
max = EQ_GAIN_MAX;
voice_unit = UNIT_DB;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_SYSFONT_GAIN));
screens[SCREEN_MAIN].putsxy(2, y, buf);
} else if (mode == CUTOFF) {
/* cutoff */
setting = &global_settings.eq_band0_cutoff;
setting += current_band * 3;
step = EQ_CUTOFF_STEP;
fast_step = EQ_CUTOFF_FAST_STEP;
min = EQ_CUTOFF_MIN;
max = EQ_CUTOFF_MAX;
voice_unit = UNIT_HERTZ;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_SYSFONT_EQUALIZER_BAND_CUTOFF));
screens[SCREEN_MAIN].putsxy(2, y, buf);
} else {
/* Q */
setting = &global_settings.eq_band0_q;
setting += current_band * 3;
step = EQ_Q_STEP;
fast_step = EQ_Q_FAST_STEP;
min = EQ_Q_MIN;
max = EQ_Q_MAX;
voice_unit = UNIT_INT;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_EQUALIZER_BAND_Q));
screens[SCREEN_MAIN].putsxy(2, y, buf);
}
FOR_NB_SCREENS(i) {
screens[i].update();
}
button = get_action(CONTEXT_SETTINGS_EQ,TIMEOUT_BLOCK);
switch (button) {
case ACTION_SETTINGS_DEC:
case ACTION_SETTINGS_DECREPEAT:
*(setting) -= step;
has_changed = true;
if (*(setting) < min)
*(setting) = min;
break;
case ACTION_SETTINGS_INC:
case ACTION_SETTINGS_INCREPEAT:
*(setting) += step;
has_changed = true;
if (*(setting) > max)
*(setting) = max;
break;
case ACTION_SETTINGS_INCBIGSTEP:
*(setting) += fast_step;
has_changed = true;
if (*(setting) > max)
*(setting) = max;
break;
case ACTION_SETTINGS_DECBIGSTEP:
*(setting) -= fast_step;
has_changed = true;
if (*(setting) < min)
*(setting) = min;
break;
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
current_band--;
if (current_band < 0)
current_band = 4; /* wrap around */
break;
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
current_band++;
if (current_band > 4)
current_band = 0; /* wrap around */
break;
case ACTION_STD_OK:
mode++;
if (mode > Q)
mode = GAIN; /* wrap around */
break;
case ACTION_STD_CANCEL:
exit_request = true;
result = false;
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED) {
exit_request = true;
result = true;
}
break;
}
/* Update the filter if the user changed something */
if (has_changed) {
dsp_set_eq_coefs(current_band);
has_changed = false;
}
}
/* Reset screen settings */
FOR_NB_SCREENS(i) {
screens[i].setfont(FONT_UI);
screens[i].clear_display();
}
return result;
}
/* Preset saver.
* TODO: Can the settings system be used to do this instead?
*/
static bool eq_save_preset(void)
{
int fd, i;
char filename[MAX_PATH];
int *setting;
create_numbered_filename(filename, EQS_DIR, "eq", ".cfg", 2
IF_CNFN_NUM_(, NULL));
/* allow user to modify filename */
while (true) {
if (!kbd_input(filename, sizeof filename)) {
fd = creat(filename);
if (fd < 0)
gui_syncsplash(HZ, ID2P(LANG_FAILED));
else
break;
}
else {
gui_syncsplash(HZ, ID2P(LANG_CANCEL));
return false;
}
}
/* TODO: Should we really do this? */
fdprintf(fd, "eq enabled: on\r\n");
fdprintf(fd, "eq precut: %d\r\n", global_settings.eq_precut);
setting = &global_settings.eq_band0_cutoff;
for(i = 0; i < 5; ++i) {
fdprintf(fd, "eq band %d cutoff: %d\r\n", i, *setting++);
fdprintf(fd, "eq band %d q: %d\r\n", i, *setting++);
fdprintf(fd, "eq band %d gain: %d\r\n", i, *setting++);
}
close(fd);
gui_syncsplash(HZ, ID2P(LANG_SETTINGS_SAVED));
return true;
}
/* Allows browsing of preset files */
bool eq_browse_presets(void)
{
return rockbox_browse(EQS_DIR, SHOW_CFG);
}
MENUITEM_FUNCTION(eq_graphical, 0, ID2P(LANG_EQUALIZER_GRAPHICAL),
(int(*)(void))eq_menu_graphical, NULL, NULL,
Icon_EQ);
MENUITEM_FUNCTION(eq_save, 0, ID2P(LANG_EQUALIZER_SAVE),
(int(*)(void))eq_save_preset, NULL, NULL, Icon_NOICON);
MENUITEM_FUNCTION(eq_browse, 0, ID2P(LANG_EQUALIZER_BROWSE),
(int(*)(void))eq_browse_presets, NULL, NULL, Icon_NOICON);
int soundmenu_callback(int action,const struct menu_item_ex *this_item);
MAKE_MENU(equalizer_menu, ID2P(LANG_EQUALIZER), soundmenu_callback, Icon_EQ,
&eq_enable, &eq_graphical, &eq_precut, &gain_menu,
&advanced_eq_menu_, &eq_save, &eq_browse);
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