rockbox/apps/menus/recording_menu.c

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2007 Jonathan Gordon
 *
 * 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 <stdlib.h>
#include <stdbool.h>
#include "string.h"
#include "system.h"
#include "kernel.h"
#include "lcd.h"
#include "menu.h"
#include "button.h"
#include "mp3_playback.h"
#include "settings.h"
#include "statusbar.h"
#include "screens.h"
#include "icons.h"
#ifdef HAVE_LCD_BITMAP
#include "font.h"
#include "scrollbar.h"
#endif
#include "lang.h"
#include "sprintf.h"
#include "talk.h"
#include "misc.h"
#include "sound.h"
#ifdef HAVE_RECORDING
#include "audio.h"
#if CONFIG_TUNER
#include "radio.h"
#endif
#endif
#ifdef HAVE_RECORDING
#include "peakmeter.h"
#include "mas.h"
#endif
#include "splash.h"
#if CONFIG_CODEC == SWCODEC
#include "dsp.h"
#include "menus/eq_menu.h"
#include "pcmbuf.h"
#ifdef HAVE_RECORDING
#include "enc_config.h"
#endif
#include "general.h"
#endif
#include "action.h"
#include "recording.h"


static bool no_source_in_menu = false;
int recmenu_callback(int action,const struct menu_item_ex *this_item);

static int recsource_func(void)
{
    int n_opts = REC_NUM_SOURCES;

    static const struct opt_items names[AUDIO_NUM_SOURCES] = {
        HAVE_MIC_REC_([AUDIO_SRC_MIC]
            = { STR(LANG_RECORDING_SRC_MIC) },)
        HAVE_LINE_REC_([AUDIO_SRC_LINEIN]
            = { STR(LANG_LINE_IN) },)
        HAVE_SPDIF_REC_([AUDIO_SRC_SPDIF]
            = { STR(LANG_RECORDING_SRC_DIGITAL) },)
        HAVE_FMRADIO_REC_([AUDIO_SRC_FMRADIO]
            = { STR(LANG_FM_RADIO) },)
    };

    /* caveat: assumes it's the last item! */
#ifdef HAVE_FMRADIO_REC
    if (!radio_hardware_present())
        n_opts--;
#endif

    return set_option(str(LANG_RECORDING_SOURCE),
                      &global_settings.rec_source, INT, names,
                      n_opts, NULL );
}
MENUITEM_FUNCTION(recsource, 0, ID2P(LANG_RECORDING_SOURCE), 
                    recsource_func, NULL, recmenu_callback, Icon_Menu_setting);

#if CONFIG_CODEC == SWCODEC
/* Makes an options list from a source list of options and indexes */
static void make_options_from_indexes(const struct opt_items *src_names,
                                      const long *src_indexes,
                                      int n_indexes,
                                      struct opt_items *dst_names)
{
    while (--n_indexes >= 0)
        dst_names[n_indexes] = src_names[src_indexes[n_indexes]];
} /* make_options_from_indexes */


#endif /* CONFIG_CODEC == SWCODEC */

static int recfrequency_func(void)
{
#if CONFIG_CODEC == MAS3587F
    static const struct opt_items names[6] = {
        { "44.1kHz", TALK_ID(44, UNIT_KHZ) },
        { "48kHz", TALK_ID(48, UNIT_KHZ) },
        { "32kHz", TALK_ID(32, UNIT_KHZ) },
        { "22.05kHz", TALK_ID(22, UNIT_KHZ) },
        { "24kHz", TALK_ID(24, UNIT_KHZ) },
        { "16kHz", TALK_ID(16, UNIT_KHZ) }
    };
    return set_option(str(LANG_RECORDING_FREQUENCY),
                      &global_settings.rec_frequency, INT,
                      names, 6, NULL );
#endif /* CONFIG_CODEC == MAS3587F */

#if CONFIG_CODEC == SWCODEC
    static const struct opt_items names[REC_NUM_FREQ] = {
        REC_HAVE_96_([REC_FREQ_96] = { "96kHz",     TALK_ID(96, UNIT_KHZ) },)
        REC_HAVE_88_([REC_FREQ_88] = { "88.2kHz",   TALK_ID(88, UNIT_KHZ) },)
        REC_HAVE_64_([REC_FREQ_64] = { "64kHz",     TALK_ID(64, UNIT_KHZ) },)
        REC_HAVE_48_([REC_FREQ_48] = { "48kHz",     TALK_ID(48, UNIT_KHZ) },)
        REC_HAVE_44_([REC_FREQ_44] = { "44.1kHz",   TALK_ID(44, UNIT_KHZ) },)
        REC_HAVE_32_([REC_FREQ_32] = { "32kHz",     TALK_ID(32, UNIT_KHZ) },)
        REC_HAVE_24_([REC_FREQ_24] = { "24kHz",     TALK_ID(24, UNIT_KHZ) },)
        REC_HAVE_22_([REC_FREQ_22] = { "22.05kHz",  TALK_ID(22, UNIT_KHZ) },)
        REC_HAVE_16_([REC_FREQ_16] = { "16kHz",     TALK_ID(16, UNIT_KHZ) },)
        REC_HAVE_12_([REC_FREQ_12] = { "12kHz",     TALK_ID(12, UNIT_KHZ) },)
        REC_HAVE_11_([REC_FREQ_11] = { "11.025kHz", TALK_ID(11, UNIT_KHZ) },)
        REC_HAVE_8_( [REC_FREQ_8 ] = { "8kHz",      TALK_ID( 8, UNIT_KHZ) },)
    };

    struct opt_items opts[REC_NUM_FREQ];
    unsigned long    table[REC_NUM_FREQ];
    int              n_opts;
    int              rec_frequency;
    bool             ret;

#ifdef HAVE_SPDIF_REC
    if (global_settings.rec_source == REC_SRC_SPDIF)
    {
        /* Inform user that frequency follows the source's frequency */
        opts[0].string    = ID2P(LANG_SOURCE_FREQUENCY);
        opts[0].voice_id  = LANG_SOURCE_FREQUENCY;
        n_opts            = 1;
        rec_frequency     = 0;
    }
    else
#endif
    {
        struct encoder_caps caps;
        struct encoder_config cfg;

        cfg.rec_format = global_settings.rec_format;
        global_to_encoder_config(&cfg);

        if (!enc_get_caps(&cfg, &caps, true))
            return false;

        /* Construct samplerate menu based upon encoder settings */
        n_opts = make_list_from_caps32(REC_SAMPR_CAPS, NULL,
                                       caps.samplerate_caps, table);

        if (n_opts == 0)
            return false; /* No common flags...?? */

        make_options_from_indexes(names, table, n_opts, opts);

        /* Find closest rate that the potentially restricted list
           comes to */
        make_list_from_caps32(REC_SAMPR_CAPS, rec_freq_sampr,
                              caps.samplerate_caps, table);

        rec_frequency = round_value_to_list32(
                rec_freq_sampr[global_settings.rec_frequency],
                table, n_opts, false);
    }

    ret = set_option(str(LANG_RECORDING_FREQUENCY),
                     &rec_frequency, INT, opts, n_opts, NULL );

    if (!ret
        HAVE_SPDIF_REC_( && global_settings.rec_source != REC_SRC_SPDIF)
    )
    {
        /* Translate back to full index */
        global_settings.rec_frequency =
                    round_value_to_list32(table[rec_frequency],
                                          rec_freq_sampr,
                                          REC_NUM_FREQ,
                                          false);
    }

    return ret;
#endif /* CONFIG_CODEC == SWCODEC */
} /* recfrequency */
MENUITEM_FUNCTION(recfrequency, 0, ID2P(LANG_RECORDING_FREQUENCY), 
                    recfrequency_func, NULL, NULL, Icon_Menu_setting);


static int recchannels_func(void)
{
    static const struct opt_items names[CHN_NUM_MODES] = {
        [CHN_MODE_STEREO] = { STR(LANG_CHANNEL_STEREO) },
        [CHN_MODE_MONO]   = { STR(LANG_CHANNEL_MONO)   }
    };
#if CONFIG_CODEC == MAS3587F
    return set_option(str(LANG_CHANNELS),
                      &global_settings.rec_channels, INT,
                      names, CHN_NUM_MODES, NULL );
#endif /* CONFIG_CODEC == MAS3587F */

#if CONFIG_CODEC == SWCODEC
    struct opt_items    opts[CHN_NUM_MODES];
    long                table[CHN_NUM_MODES];
    struct encoder_caps caps;
    struct encoder_config cfg;
    int                 n_opts;
    int                 rec_channels;
    bool                ret;

    cfg.rec_format = global_settings.rec_format;
    global_to_encoder_config(&cfg);

    if (!enc_get_caps(&cfg, &caps, true))
        return false;

    n_opts = make_list_from_caps32(CHN_CAP_ALL, NULL,
                                   caps.channel_caps, table);

    rec_channels = round_value_to_list32(global_settings.rec_channels,
                                         table, n_opts, false);

    make_options_from_indexes(names, table, n_opts, opts);

    ret = set_option(str(LANG_CHANNELS), &rec_channels,
                     INT, opts, n_opts, NULL );

    if (!ret)
        global_settings.rec_channels = table[rec_channels];

    return ret;
#endif /* CONFIG_CODEC == SWCODEC */
}
MENUITEM_FUNCTION(recchannels, 0, ID2P(LANG_CHANNELS),
                    recchannels_func, NULL, NULL, Icon_Menu_setting);

#if CONFIG_CODEC == SWCODEC

static int recformat_func(void)
{
    static const struct opt_items names[REC_NUM_FORMATS] = {
        [REC_FORMAT_AIFF]    = { STR(LANG_AFMT_AIFF)    },
        [REC_FORMAT_MPA_L3]  = { STR(LANG_AFMT_MPA_L3)  },
        [REC_FORMAT_WAVPACK] = { STR(LANG_AFMT_WAVPACK) },
        [REC_FORMAT_PCM_WAV] = { STR(LANG_AFMT_PCM_WAV) },
    };

    int rec_format = global_settings.rec_format;
    bool res = set_option(str(LANG_RECORDING_FORMAT), &rec_format, INT,
                          names, REC_NUM_FORMATS, NULL );

    if (rec_format != global_settings.rec_format)
    {
        global_settings.rec_format = rec_format;
        enc_global_settings_apply();
    }

    return res;
} /* recformat */
MENUITEM_FUNCTION(recformat, 0, ID2P(LANG_RECORDING_FORMAT), 
                    recformat_func, NULL, NULL, Icon_Menu_setting);

MENUITEM_FUNCTION(enc_global_config_menu_item, 0, ID2P(LANG_ENCODER_SETTINGS),
                    (int(*)(void))enc_global_config_menu,
                     NULL, NULL, Icon_Submenu);

#endif /* CONFIG_CODEC == SWCODEC */


int recmenu_callback(int action,const struct menu_item_ex *this_item)
{
    switch (action)
    {
        case ACTION_REQUEST_MENUITEM:
            if (this_item == &recsource && no_source_in_menu)
                return ACTION_EXIT_MENUITEM;
            break;
    }
    return action;
}
#if CONFIG_CODEC == MAS3587F
MENUITEM_SETTING(rec_quality, &global_settings.rec_quality, NULL);
MENUITEM_SETTING(rec_editable, &global_settings.rec_editable, NULL);
#endif

MENUITEM_SETTING(rec_split_type, &global_settings.rec_split_type, NULL);
MENUITEM_SETTING(rec_split_method, &global_settings.rec_split_method, NULL);
MENUITEM_SETTING(rec_timesplit, &global_settings.rec_timesplit, NULL);
MENUITEM_SETTING(rec_sizesplit, &global_settings.rec_sizesplit, NULL);
MAKE_MENU(filesplitoptionsmenu, ID2P(LANG_RECORD_TIMESPLIT), NULL, Icon_NOICON,
            &rec_split_method, &rec_split_type, &rec_timesplit, &rec_sizesplit);


MENUITEM_SETTING(rec_prerecord_time, &global_settings.rec_prerecord_time, NULL);

static int clear_rec_directory(void)
{
    strcpy(global_settings.rec_directory, REC_BASE_DIR);
    gui_syncsplash(HZ, str(LANG_RESET_DONE_CLEAR));
    return false;
}
MENUITEM_FUNCTION(clear_rec_directory_item, 0, ID2P(LANG_CLEAR_REC_DIR), 
                  clear_rec_directory, NULL, NULL, Icon_Folder);
                  
MENUITEM_SETTING(cliplight, &global_settings.cliplight, NULL);

#ifdef HAVE_AGC
static int agc_preset_func(void)
{
    static const struct opt_items names[] = {
        { STR(LANG_OFF) },
        { STR(LANG_AGC_SAFETY) },
        { STR(LANG_AGC_LIVE) },
        { STR(LANG_AGC_DJSET) },
        { STR(LANG_AGC_MEDIUM) },
        { STR(LANG_AGC_VOICE) },
    };
    if (global_settings.rec_source)
        return set_option(str(LANG_RECORD_AGC_PRESET),
                          &global_settings.rec_agc_preset_line,
                          INT, names, 6, NULL );
    else
        return set_option(str(LANG_RECORD_AGC_PRESET),
                          &global_settings.rec_agc_preset_mic,
                          INT, names, 6, NULL );
}

static int agc_cliptime_func(void)
{
    static const struct opt_items names[] = {
        { "200ms", TALK_ID(200, UNIT_MS) },
        { "400ms", TALK_ID(400, UNIT_MS) },
        { "600ms", TALK_ID(600, UNIT_MS) },
        { "800ms", TALK_ID(800, UNIT_MS) },
        { "1s", TALK_ID(1, UNIT_SEC) }
    };
    return set_option(str(LANG_RECORD_AGC_CLIPTIME),
                      &global_settings.rec_agc_cliptime,
                      INT, names, 5, NULL );
}
MENUITEM_FUNCTION(agc_preset, 0, ID2P(LANG_RECORD_AGC_PRESET), 
                    agc_preset_func, NULL, NULL, Icon_Menu_setting);
MENUITEM_FUNCTION(agc_cliptime, 0, ID2P(LANG_RECORD_AGC_CLIPTIME), 
                    agc_cliptime_func, NULL, NULL, Icon_Menu_setting);
#endif /* HAVE_AGC */

/** Rec trigger **/
enum trigger_menu_option
{
    TRIGGER_MODE,
    TRIGGER_TYPE,
    PRERECORD_TIME,
    START_THRESHOLD,
    START_DURATION,
    STOP_THRESHOLD,
    STOP_POSTREC,
    STOP_GAP,
    TRIG_OPTION_COUNT,
};

static char* create_thres_str(int threshold, long *voice_id)
{
    static char retval[6];
    if (threshold < 0) {
        if (threshold < -88) {
            snprintf (retval, sizeof retval, "%s", str(LANG_DB_INF));
            if(voice_id)
                *voice_id = LANG_DB_INF;
        } else {
            snprintf (retval, sizeof retval, "%ddb", threshold + 1);
            if(voice_id)
                *voice_id = TALK_ID(threshold + 1, UNIT_DB);
        }
    } else {
        snprintf (retval, sizeof retval, "%d%%", threshold);
        if(voice_id)
            *voice_id = TALK_ID(threshold, UNIT_PERCENT);
    }
    return retval;
}

#define INF_DB (-89)
static void change_threshold(int *threshold, int change)
{
    if (global_settings.peak_meter_dbfs) {
        if (*threshold >= 0) {
            int db = (calc_db(*threshold * MAX_PEAK / 100) - 9000) / 100;
            *threshold = db;
        }
        *threshold += change;
        if (*threshold > -1) {
            *threshold = INF_DB;
        } else if (*threshold < INF_DB) {
            *threshold = -1;
        }
    } else {
        if (*threshold < 0) {
            *threshold = peak_meter_db2sample(*threshold * 100) * 100 / MAX_PEAK;
        }
        *threshold += change;
        if (*threshold > 100) {
            *threshold = 0;
        } else if (*threshold < 0) {
            *threshold = 100;
        }
    }
}

/**
 * Displays a menu for editing the trigger settings.
 */
bool rectrigger(void)
{
    int exit_request = false;
    enum trigger_menu_option selected = TRIGGER_MODE;
    bool retval = false;
    int old_x_margin[NB_SCREENS];
    int old_y_margin[NB_SCREENS];

#define TRIGGER_MODE_COUNT 3
    static const unsigned char *trigger_modes[] = {
        ID2P(LANG_OFF),
        ID2P(LANG_RECORD_TRIG_NOREARM),
        ID2P(LANG_REPEAT)
    };

#define PRERECORD_TIMES_COUNT 31
    static const struct opt_items prerecord_times[] = {
        { STR(LANG_OFF) },
#define T(x) { (unsigned char *)(#x "s"), TALK_ID(x, UNIT_SEC) }
        T(1), T(2), T(3), T(4), T(5), T(6), T(7), T(8), T(9), T(10),
        T(11), T(12), T(13), T(14), T(15), T(16), T(17), T(18), T(19), T(20),
        T(21), T(22), T(23), T(24), T(25), T(26), T(27), T(28), T(29), T(30),
#undef T
    };

#define TRIGGER_TYPE_COUNT 3
    static const unsigned char *trigger_types[] = {
        ID2P(LANG_RECORD_TRIGGER_STOP),
        ID2P(LANG_PAUSE),
        ID2P(LANG_RECORD_TRIGGER_NEWFILESTP),
    };

    static const unsigned char *option_name[] = {
        [TRIGGER_MODE] =    ID2P(LANG_RECORD_TRIGGER),
        [TRIGGER_TYPE] =    ID2P(LANG_RECORD_TRIGGER_TYPE),
        [PRERECORD_TIME] =  ID2P(LANG_RECORD_PRERECORD_TIME),
        [START_THRESHOLD] = ID2P(LANG_RECORD_START_THRESHOLD),
        [START_DURATION] =  ID2P(LANG_MIN_DURATION),
        [STOP_THRESHOLD] =  ID2P(LANG_RECORD_STOP_THRESHOLD),
        [STOP_POSTREC] =    ID2P(LANG_MIN_DURATION),
        [STOP_GAP] =        ID2P(LANG_RECORD_STOP_GAP)
    };

    int old_start_thres = global_settings.rec_start_thres;
    int old_start_duration = global_settings.rec_start_duration;
    int old_prerecord_time = global_settings.rec_prerecord_time;
    int old_stop_thres = global_settings.rec_stop_thres;
    int old_stop_postrec = global_settings.rec_stop_postrec;
    int old_stop_gap = global_settings.rec_stop_gap;
    int old_trigger_mode = global_settings.rec_trigger_mode;
    int old_trigger_type = global_settings.rec_trigger_type;

    int offset[NB_SCREENS];
    int option_lines[NB_SCREENS];
    int w, h, i;
    int stat_height = global_settings.statusbar ? STATUSBAR_HEIGHT : 0;
    int pm_y[NB_SCREENS];

    int trig_xpos[NB_SCREENS];
    int trig_ypos[NB_SCREENS];
    int trig_width[NB_SCREENS];

    bool say_field = true, say_value = true;

    FOR_NB_SCREENS(i)
    {
        offset[i] = 0;
        trig_xpos[i] = 0;
        trig_ypos[i] =  screens[i].height - stat_height - TRIG_HEIGHT;
        pm_y[i] = screens[i].height - stat_height;
        trig_width[i] = screens[i].width;
    }

    /* restart trigger with new values */
    settings_apply_trigger();
    peak_meter_trigger (global_settings.rec_trigger_mode != TRIG_MODE_OFF);

    FOR_NB_SCREENS(i)
    {
        screens[i].clear_display();

        old_x_margin[i] = screens[i].getxmargin();
        old_y_margin[i] = screens[i].getymargin();
        if(global_settings.statusbar)
           screens[i].setmargins(0, STATUSBAR_HEIGHT);
      else
          screens[i].setmargins(0, 0);

      screens[i].getstringsize("M", &w, &h);

      // 16 pixels are reserved for peak meter and trigger status
      option_lines[i] = MIN(((screens[i].height) -
                          stat_height - 16)/h,
                           TRIG_OPTION_COUNT);
    }

    while (!exit_request) {
        int button, k;
        const char *str;
        char option_value[TRIG_OPTION_COUNT][16];

        snprintf(
            option_value[TRIGGER_MODE],
            sizeof option_value[TRIGGER_MODE],
            "%s",
            P2STR(trigger_modes[global_settings.rec_trigger_mode]));

        snprintf(
            option_value[TRIGGER_TYPE],
            sizeof option_value[TRIGGER_TYPE],
            "%s",
            P2STR(trigger_types[global_settings.rec_trigger_type]));

        snprintf (
            option_value[PRERECORD_TIME],
            sizeof option_value[PRERECORD_TIME],
            "%s",
            prerecord_times[global_settings.rec_prerecord_time].string);

        /* due to value range shift (peak_meter_define_trigger) -1 is 0db */
        if (global_settings.rec_start_thres == -1) {
            str = str(LANG_OFF);
        } else {
            str = create_thres_str(global_settings.rec_start_thres, NULL);
        }
        snprintf(
            option_value[START_THRESHOLD],
            sizeof option_value[START_THRESHOLD],
            "%s",
            str);

        snprintf(
            option_value[START_DURATION],
            sizeof option_value[START_DURATION],
            "%s",
            trig_durations[global_settings.rec_start_duration].string);

        if (global_settings.rec_stop_thres <= INF_DB) {
            str = str(LANG_OFF);
        } else {
            str = create_thres_str(global_settings.rec_stop_thres, NULL);
        }
        snprintf(
            option_value[STOP_THRESHOLD],
            sizeof option_value[STOP_THRESHOLD],
            "%s",
            str);

        snprintf(
            option_value[STOP_POSTREC],
            sizeof option_value[STOP_POSTREC],
            "%s",
            trig_durations[global_settings.rec_stop_postrec].string);

        snprintf(
            option_value[STOP_GAP],
            sizeof option_value[STOP_GAP],
            "%s",
            trig_durations[global_settings.rec_stop_gap].string);

        FOR_NB_SCREENS(i)
        {
            screens[i].set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
            screens[i].fillrect(0, stat_height, screens[i].width,
                                   screens[i].height - stat_height);
            screens[i].set_drawmode(DRMODE_SOLID);
        }

        gui_syncstatusbar_draw(&statusbars, true);

        /* reselect FONT_SYSFONT as status_draw has changed the font */
        /*lcd_setfont(FONT_SYSFIXED);*/

        FOR_NB_SCREENS(i)
        {
            for (k = 0; k < option_lines[i]; k++) {
                int x, y;

                str = P2STR(option_name[k + offset[i]]);
                screens[i].putsxy((option_lines[i] < TRIG_OPTION_COUNT) ? 5 : 0,
                                       stat_height + k * h, str);

                str = option_value[k + offset[i]];
                screens[i].getstringsize(str, &w, &h);
                y = stat_height + k * h;
                x = screens[i].width - w;
                screens[i].putsxy(x, y, str);
                if ((int)selected == (k + offset[i])) {
                    screens[i].set_drawmode(DRMODE_COMPLEMENT);
                    screens[i].fillrect(x, y, w, h);
                    screens[i].set_drawmode(DRMODE_SOLID);
                }
            }
            if (option_lines[i] < TRIG_OPTION_COUNT)
                gui_scrollbar_draw(&screens[i], 0, stat_height,
                    4, screens[i].height - 16 - stat_height,
                    TRIG_OPTION_COUNT, offset[i], offset[i] + option_lines[i],
                    VERTICAL);
        }

        bool enqueue = false;
        if(say_field) {
            talk_id(P2ID(option_name[selected]), enqueue);
            enqueue = true;
        }
        if(say_value) {
            long id;
            switch(selected) {
            case TRIGGER_MODE:
                id = P2ID(trigger_modes[global_settings.rec_trigger_mode]);
                break;
            case TRIGGER_TYPE:
                id = P2ID(trigger_types[global_settings.rec_trigger_type]);
                break;
            case PRERECORD_TIME:
                id = prerecord_times[global_settings.rec_prerecord_time]
                    .voice_id;
                break;
            case START_THRESHOLD:
                if (global_settings.rec_start_thres == -1)
                    id = LANG_OFF;
                else create_thres_str(global_settings.rec_start_thres, &id);
                break;
            case START_DURATION:
                id = trig_durations[global_settings.rec_start_duration]
                    .voice_id;
                break;
            case STOP_THRESHOLD:
                if (global_settings.rec_stop_thres <= INF_DB)
                    id = LANG_OFF;
                else create_thres_str(global_settings.rec_stop_thres, &id);
                break;
            case STOP_POSTREC:
                id = trig_durations[global_settings.rec_stop_postrec].voice_id;
                break;
            case STOP_GAP:
                id = trig_durations[global_settings.rec_stop_gap].voice_id;
                break;
            case TRIG_OPTION_COUNT:
                // avoid compiler warnings
                break;
            };
            talk_id(id, enqueue);
        }
        say_field = say_value = false;

        peak_meter_draw_trig(trig_xpos, trig_ypos, trig_width, NB_SCREENS);
        button = peak_meter_draw_get_btn(0, pm_y, 8, NB_SCREENS);

        FOR_NB_SCREENS(i)
            screens[i].update();

        switch (button) {
            case ACTION_STD_CANCEL:
                gui_syncsplash(50, str(LANG_CANCEL));
                global_settings.rec_start_thres = old_start_thres;
                global_settings.rec_start_duration = old_start_duration;
                global_settings.rec_prerecord_time = old_prerecord_time;
                global_settings.rec_stop_thres = old_stop_thres;
                global_settings.rec_stop_postrec = old_stop_postrec;
                global_settings.rec_stop_gap = old_stop_gap;
                global_settings.rec_trigger_mode = old_trigger_mode;
                global_settings.rec_trigger_type = old_trigger_type;
                exit_request = true;
                break;

            case ACTION_REC_PAUSE:
                exit_request = true;
                break;

            case ACTION_STD_PREV:
                selected += TRIG_OPTION_COUNT - 1;
                selected %= TRIG_OPTION_COUNT;
                FOR_NB_SCREENS(i)
                {
                    offset[i] = MIN(offset[i], (int)selected);
                    offset[i] = MAX(offset[i], (int)selected - option_lines[i] + 1);
                }
                say_field = say_value = true;
                break;

            case ACTION_STD_NEXT:
                selected ++;
                selected %= TRIG_OPTION_COUNT;
                FOR_NB_SCREENS(i)
                {
                    offset[i] = MIN(offset[i], (int)selected);
                    offset[i] = MAX(offset[i], (int)selected - option_lines[i] + 1);
                }
                say_field = say_value = true;
                break;

            case ACTION_SETTINGS_INC:
                switch (selected) {
                    case TRIGGER_MODE:
                        global_settings.rec_trigger_mode ++;
                        global_settings.rec_trigger_mode %= TRIGGER_MODE_COUNT;
                        break;

                    case TRIGGER_TYPE:
                        global_settings.rec_trigger_type ++;
                        global_settings.rec_trigger_type %= TRIGGER_TYPE_COUNT;
                        break;

                    case PRERECORD_TIME:
                        global_settings.rec_prerecord_time ++;
                        global_settings.rec_prerecord_time %= PRERECORD_TIMES_COUNT;
                        break;

                    case START_THRESHOLD:
                        change_threshold(&global_settings.rec_start_thres, 1);
                        break;

                    case START_DURATION:
                        global_settings.rec_start_duration ++;
                        global_settings.rec_start_duration %= TRIG_DURATION_COUNT;
                        break;

                    case STOP_THRESHOLD:
                        change_threshold(&global_settings.rec_stop_thres, 1);
                        break;

                    case STOP_POSTREC:
                        global_settings.rec_stop_postrec ++;
                        global_settings.rec_stop_postrec %= TRIG_DURATION_COUNT;
                        break;

                    case STOP_GAP:
                        global_settings.rec_stop_gap ++;
                        global_settings.rec_stop_gap %= TRIG_DURATION_COUNT;
                        break;

                    case TRIG_OPTION_COUNT:
                        // avoid compiler warnings
                        break;
                }
                peak_meter_trigger(global_settings.rec_trigger_mode!=TRIG_OFF);
                settings_apply_trigger();
                say_value = true;
                break;

            case ACTION_SETTINGS_DEC:
                switch (selected) {
                    case TRIGGER_MODE:
                        global_settings.rec_trigger_mode+=TRIGGER_MODE_COUNT-1;
                        global_settings.rec_trigger_mode %= TRIGGER_MODE_COUNT;
                        break;

                    case TRIGGER_TYPE:
                        global_settings.rec_trigger_type+=TRIGGER_TYPE_COUNT-1;
                        global_settings.rec_trigger_type %= TRIGGER_TYPE_COUNT;
                        break;

                    case PRERECORD_TIME:
                        global_settings.rec_prerecord_time += PRERECORD_TIMES_COUNT - 1;
                        global_settings.rec_prerecord_time %= PRERECORD_TIMES_COUNT;
                        break;

                    case START_THRESHOLD:
                        change_threshold(&global_settings.rec_start_thres, -1);
                        break;

                    case START_DURATION:
                        global_settings.rec_start_duration += TRIG_DURATION_COUNT-1;
                        global_settings.rec_start_duration %= TRIG_DURATION_COUNT;
                        break;

                    case STOP_THRESHOLD:
                        change_threshold(&global_settings.rec_stop_thres, -1);
                        break;

                    case STOP_POSTREC:
                        global_settings.rec_stop_postrec +=
                            TRIG_DURATION_COUNT - 1;
                        global_settings.rec_stop_postrec %=
                            TRIG_DURATION_COUNT;
                        break;

                    case STOP_GAP:
                        global_settings.rec_stop_gap +=
                            TRIG_DURATION_COUNT - 1;
                        global_settings.rec_stop_gap %= TRIG_DURATION_COUNT;
                        break;

                    case TRIG_OPTION_COUNT:
                        // avoid compiler warnings
                        break;
                }
                peak_meter_trigger(global_settings.rec_trigger_mode!=TRIG_OFF);
                settings_apply_trigger();
                say_value = true;
                break;

            case ACTION_REC_F2:
                peak_meter_trigger(true);
                break;

            case SYS_USB_CONNECTED:
                if(default_event_handler(button) == SYS_USB_CONNECTED) {
                    retval = true;
                    exit_request = true;
                }
                break;
        }
    }

    peak_meter_trigger(false);
    FOR_NB_SCREENS(i)
    {
        screens[i].setfont(FONT_UI);
        screens[i].setmargins(old_x_margin[i], old_y_margin[i]);
    }
    return retval;
}

MENUITEM_FUNCTION(rectrigger_item, 0, ID2P(LANG_RECORD_TRIGGER), 
                    (int(*)(void))rectrigger, NULL, NULL, Icon_Menu_setting);






/* from main_menu.c */
struct browse_folder_info {
    const char* dir;
    int show_options;
};
static struct browse_folder_info rec_config_browse = {RECPRESETS_DIR, SHOW_CFG};
int browse_folder(void *param);
MENUITEM_FUNCTION(browse_recconfigs, MENU_FUNC_USEPARAM, ID2P(LANG_CUSTOM_CFG), 
                  browse_folder, (void*)&rec_config_browse, NULL, Icon_Config);
static int write_settings_file(void)
{
    return settings_save_config(SETTINGS_SAVE_RECPRESETS);
}
MENUITEM_FUNCTION(save_recpresets_item, 0, ID2P(LANG_SAVE_SETTINGS), 
                  write_settings_file, NULL, NULL, Icon_Config);

MAKE_MENU(recording_settings_menu, ID2P(LANG_RECORDING_SETTINGS),
            NULL, Icon_Recording,
#if CONFIG_CODEC == MAS3587F
            &rec_quality,
#endif
#if CONFIG_CODEC == SWCODEC
            &recformat, &enc_global_config_menu_item,
#endif
            &recfrequency, &recsource, /* recsource not shown if no_source */
            &recchannels,
#if CONFIG_CODEC == MAS3587F
            &rec_editable,
#endif
            &filesplitoptionsmenu,
            &rec_prerecord_time,
            &clear_rec_directory_item,
#ifdef HAVE_BACKLIGHT
            &cliplight,
#endif
            &rectrigger_item,
#ifdef HAVE_AGC
            &agc_preset, &agc_cliptime,
#endif
            &browse_recconfigs, &save_recpresets_item
);

bool recording_menu(bool no_source)
{
    bool retval;
    no_source_in_menu = no_source;
    retval = do_menu(&recording_settings_menu, NULL) == MENU_ATTACHED_USB;
    no_source_in_menu = false; /* always fall back to the default */
    return retval;
};

MENUITEM_FUNCTION(recording_settings, MENU_FUNC_USEPARAM, ID2P(LANG_RECORDING_SETTINGS),
                          (int (*)(void*))recording_menu, 0, NULL, Icon_Recording);