header={
  "recipe_version": "1.1347",
  "title": "Replace Audio in Video",
  "description": "Replace audio in video",
  "tags": "default",
  "chef": "BeatRig",
  "dependencies": "ffmpeg,ffprobe",
  "spice": "BQ==:G+Hy36kJcnQQYYavb/JV2Il6eCYr6h4hRJHCF9rRbhX5BcazL6cuTgUMdz0xA50VWA5PmmV0Q7aWkiUtNFtbk991l+t0e8IBXMReMIT1GNjnZZDv7n2YRAo0xcSQbY0ixjG6LLH4wGKnspKAoA/v69iLn6N2IH0XzIZwTGdHSo4=",
  "flavour": "sSNGU2/36UC66XCtfSVNWg8mpXD5OPv/eJNZ0gvG9X9Ud49gXnu/qtbiRQXTpi9w5qwwhJvM/HDIDz4eYFFLyUQZO13bu+mSixKeOhl4/W1o7hEG2ywjbA3KVhFQlMGFni0AoItrRjULl2djL+7bbXRbZlG7H5Pyg27OExW5ST0=",
  "time": 1724010594,
  "core_version": "0.6.4",
  "magnetron_version": "1.0.317",
  "functions": "main,onConfig,onAbout",
  "uuid": "9b234202dc46424d9b3765c0e0a411a7",
  "instructions": "",
  "type": "default",
  "os": "windows,macOS",
  "palette": "Clean Slate"
};


// =============================================================================
// GLOBALS
var framecount = 0; // GLOBAL AVAIL. FOR PROGRESS BAR DURING PROCESSING
var settings = {}; // SETTINGS
var settingsFile = ""; // LOCATION OF THE SETTINGS FILE
var cue = []; // LIST WITH FILES THAT WILL BE PROCESSED

// =============================================================================
// SET DEFAULT VALUES
function init()
{
    // LOCATION OF THE SETTINGS FILE
    settingsFile = folders.content+gvar.pss+'default.txt';

    // SETTINGS
    settings = {
        "preset"            : 'original',   // 
        "sourcename"        : 'video',      // Use the audio or video name as source for the new file
        "customFolder"      : false,        // Move fixed files to a custom folder
        "customFolder_path" : folders.home, // By default this is the users home folder
        "nametag"           : true,         // Tag added to fixed file
        "nametag_val"       : '-RELAYED',
        "subFolder"         : false,        // Move fixed files to a subfolder
        "subFolder_val"     : 'RELAYED',
        };

    //
}


// =============================================================================
function main()
{
    // -----------------------------
    // START THE MACHINE
    setProgress(0);

    // -----------------------------
    // DEFAULT SETTINGS
    init();

    // -----------------------------
    // CUSTOM SETTINGS
    loadSettings();

    // -----------------------------
    // CURRENT FILES
    var cur_v = false;
    var cur_a = false;
    var msg = [];
    var r = {
        video: '',
        audio: '',
        offset_enabled: false,
        offset: 0,
        add_enabled: true,
        };

    // -----------------------------
    // KEEP GOING BACK TO THE DIALOG WHILE THERE ARE ERRORS
    // AND NOT PRESSED CANCEL
    while (1) {

        // 
        if(cur_a == false || cur_v == false){ r.add_enabled = false; }

        // SHOW THE DIALOG
        r = showDialog(r, msg);

        // -----------------------------
        // WHEN CANCELLED WAS PRESSED STOP
        if (r.cancel) {
            break;
            }

        // ENABLE THE ADD BUTTON BY DEFAULT
        r.add_enabled = true;
        
        // RESET MESSAGES
        msg = [];

        // AN EMPTY FILEPATH IS RETURNING A / SO MAKE SURE TO SET IT TO EMPTY
        r.video = (r.video == '/' ? '' : r.video );
        r.audio = (r.audio == '/' ? '' : r.audio );

        // -----------------------------
        // AN AUDIO OR VIDEO FILE HAS BEEN SELECTED
        if(r.returns == 9){

            // GET VIDEO FILE SPECS
            if(r.video != "" && cur_v.path != r.video ){
                cur_v = getVideoSpecs(r.video);
                if(cur_v == false) { msg.push('Could not read video file.'); }
                }

            // GET AUDIO FILE SPECS
            if(r.audio != "" && cur_a.path != r.audio ){
                cur_a = getAudioSpecs(r.audio);
                if(cur_a == false) { msg.push('Could not read audio file.'); }
                }
            }

        // -----------------------------
        // IF AUDIO AND VIDEO ARE SET, COMPARE LENGTH OF BOTH
        if(cur_a && cur_v){

            // IF AUDIO AND VIDEO ARE NOTE THE SAME LENGTH
            if(cur_a.duration > cur_v.duration){
                r.add_enabled = false;
                msg.push('The audio file is longer then the video file');
                }
            else if(cur_a.duration < cur_v.duration){
                r.offset_enabled = true;
                r.offset_max = parseInt( (cur_v.duration - cur_a.duration) * cur_v.framerate );                
                r.offset_help = 'The video is '+r.offset_max +" frames longer then the audio.";
                }
            else{
                r.offset_enabled = false;
                r.offset = 0;
                }
            }

        // -----------------------------
        // RE-OPEN THE DIALOG WHEN A VIDEO OR AUDIO FILE WAS CHANGED
        // AN NOT A BUTTON WAS PUSEHD
        if(r.returns == 9 ) { continue; }

        // -----------------------------
        // ADD THE FILE
        if(r.returns == 7 && cur_a && cur_v){
            var output_file = filename();

            cue.push({
                audio_file:         cur_a.path, // audio file
                video_file:         cur_v.path, // video file
                output_file:        output_file, // output file
                offset:             r.offset, // audio offset in frames
                framerate:          cur_v.framerate, // framerate, to calc offset in sec
                framecount:         cur_v.framecount, // framecount, for progress
                });

            // RESET DIALOG
            r.video = '';
            r.audio = '';
            r.add_enabled = true;
            r.offset = 0;
            r.offset_max = 0;
            r.offset_enabled = false;

            // RESET AUDIO/VIDEO FILE
            cur_a = false;
            cur_v = false;

            // RESET MESSAGES
            msg = [];
            }

        // -----------------------------
        // WHEN OK IS CLICKED
        if(r.returns == 1){
            break;
            }
        }

    // -----------------------------
    // STOP THE ENTIRE RECIPE
    if (r.cancel) {
        break;
        }

    // -----------------------------
    // START PROCESSING

    // CURRENT FILE LIST
    var files = getFiles();

    // LOOP CUE
    for (var i = 0; i < cue.length; i++) {

        var f = cue[i];

        // SET FRAMECOUNT FOR PROGRESS BAR
        framecount = parseInt(f.framecount);

        // -----------------------------
        // CHECK IF FILE ALLREADY EXISTS, CAN ONLY HAPPEN IF
        // IT WAS CREATED AFTER ADDING IT TO THE LIST
        if( fileExists(f.output_file) ){
            continue;
            }

        // -----------------------------
        // CHECK IF FOLDER EXISTS
        var path = getPathInfo(f.output_file);
        path = path.folder;
        path = path.split(gvar.pss); // path to array
        path.remove(""); // remove empty entries


        var test = gvar.isWindows ? path[0] : '';
        for (var j = gvar.isWindows ? 1 : 0; j < path.length; j++) {
            test = test + gvar.pss + path[j];
            if(fileExists(test)){ continue; }
            makeFolder( test );
            }

        // -----------------------------
        // FFMPEG
        setProgress(0);
        setMainMessage("Processing");

        // video file
        var ffmpeg = [ '-i',f.video_file, ];

        // audio offset
        if(f.offset > 0){
            ffmpeg = concatArray(ffmpeg, [ '-itsoffset',parseFloat(f.offset) / parseFloat(f.framerate), ]);
            }

        // audio file
        ffmpeg = concatArray(ffmpeg, [
            '-i',f.audio_file,
            ]);

        // AUDIO & VIDEO MAPPING
        ffmpeg = concatArray(ffmpeg, [
            '-map','0:0',
            '-map','1:0',
            ]);

        if(settings.preset == 'original')
        {
            ffmpeg = concatArray(ffmpeg, [
                '-c:v','copy',
                '-c:a','copy',
                ]);
        }
        else if(settings.preset == 'small mp4')
        {
            var properties = levelFileAnalyse(f.audio_file, {"AdjustTargetType" : "Peak", "AdjustTargetLevel" : -1.0});
            var adjust = Math.round (properties.AdjustLevel*100)/100;

            ffmpeg = concatArray(ffmpeg, [
                '-c:v','libx264',
                '-preset','slow',
                '-crf','32',
                // '-b:v','800k',
                // '-maxrate','16M',
                // '-bufsize','16M',
                //'-pass','4',
                //'-vf','format=yuv420p',
                //'-profile:v','baseline',
                //'-level:v','4.0',
                //'-qcomp','16',
                //'-qmin','1',
                //'-qmax','25',
                '-c:a','aac',
                '-b:a','128k',
                '-filter:a','volume='+adjust+'dB',
                ]);
        }
        else if(settings.preset == 'large mp4')
        {
            var properties = levelFileAnalyse(f.audio_file, {"AdjustTargetType" : "LUFS", "AdjustTargetLevel" : -14.0});
            var adjust = Math.round (properties.AdjustLevel*100)/100;

            ffmpeg = concatArray(ffmpeg, [
                '-c:v','libx264',
                '-preset','slow',
                '-crf','23',
                // '-b:v','16M',
                // '-maxrate','16M',
                // '-bufsize','16M',
                //'-pass','4',
                //'-vf','format=yuv420p',
                //'-profile:v','high',
                //'-level:v','4.0',
                //'-qcomp','16',
                //'-qmin','1',
                //'-qmax','25',
                '-c:a','aac',
                '-b:a','256k',
                '-filter:a','volume='+adjust+'dB',
                ]);
        }

        // OUTPUT FILE
        ffmpeg = concatArray(ffmpeg, [ f.output_file, '-y' ]);

        // DO YA THING
        echo(cmd("ffmpeg", ffmpeg));

        setProgress(100);

        // CHECK IF FILE WAS CREATED
        if( fileExists(f.output_file) ){
            files.push({
                path: f.output_file,
                file_icon : "CheckSquare",
                file_icon_color : "FF008800",
                file_status : "Done",
                });
            setFiles(files);
            }
        else{
            files.push({
                path: f.video_file,
                file_icon : "CheckSquare",
                file_icon_color : "FF880000",
                file_status : "Failed",
                });
            setFiles(files);
            }
        }
    
    // -----------------------------
    // ALL DONE
    setMainMessage("-");
    setProgress(0);
    return true;
}




// ============================================================================
// DIALOG CALLBACK
function dialog_callback(props)
{
   // echo("dialog_callback " + objectToString(props));
}

// ============================================================================
// DIALOG CALLBACK
function dialog_settings_callback(props)
{
   // echo("dialog_settings_callback " + objectToString(props));
    // ----------------
    // UPDATE SETTINGS
    if (props["name"] == "preset")              { settings['preset'] = props["text"]; }

    if (props["name"] == "sourcename")          { settings['sourcename'] = props["text"]; }

    if (props["name"] == "customFolder")        { settings['customFolder'] = props["toggle"]; }
    if (props["name"] == "customFolder_path")   { settings['customFolder_path'] = props["path"]; }

    if (props["name"] == "nametag")             { settings['nametag'] = props["toggle"]; }
    if (props["name"] == "nametag_val")         { settings['nametag_val'] = props["text"]; }

    if (props["name"] == "subFolder")           { settings['subFolder'] = props["toggle"]; }
    if (props["name"] == "subFolder_val")       { settings['subFolder_val'] = props["text"]; }

    // ----------------
    // UPDATE DIALOG
    dialog({
        "preset" :              { "default" : settings['preset'] },
        "files" :               { "default" : settings['files'] },
        "customFolder_path" :   { "visible" : settings['customFolder'] },
        "subFolder_val" :       { "visible" : settings['subFolder'] },
        "nametag_val" :         { "visible" : settings['nametag'] },
        });

    // ----------------
}

// ============================================================================
// WHEN A VIDEO OR AUDIO FILE IS SET,
// CLOSE THE DIALOG SO IT CAN BE ANALYSED
// THE DIALOG WILL BE RE-OPENED WHEN DONE
function dialog_add_callback(props)
{
    if ((props["name"] == "video" || props["name"] == "audio") && props["path"] != '')
    {
        var r = dialog({ "quit" : { "type" : "return", "value" : 9 }, });
        break;
    }

    // ----------------
}

// =============================================================================
// FFMPEG PROCESS STATUS
function cmd_callback(cmd_name, cmd_output)
{
    // THE DIALOG DURING PROCESSING
    if(cmd_name=="ffmpeg" && cmd_output.length > 0 && framecount > 0)
    {
        var progress = parseInt ( searchRegEx(cmd_output, "(?:frame=)(.*?)(?:fps=)", "i", 1)[0] );
        progress = Math.round( progress/framecount* 100 );
        setProgress(progress);
    }   

    // ----------------
}


// =============================================================================
function getVideoSpecs(file)
{
    // GETFRAMECOUNT FOR PROGRESS
    setProgress(101);
    setMainMessage("Opening file");

    var ffprobe = cmd("ffprobe", [
        "-v","error",
        "-select_streams","v:0",
        "-show_entries","stream=nb_frames,duration,r_frame_rate",
        "-of","default=noprint_wrappers=1",
        // "default=noprint_wrappers=1:nokey=1",
        file,
        ]);

    // RETURN VALUES
    var rtn = {
        "path" : file,
        "duration" : parseFloat (searchRegEx(ffprobe, "(?:duration=)(.*?)(?=[\n\r])", "o", 1)[0] ),
        "framerate" : parseFloat (searchRegEx(ffprobe, "(?:r_frame_rate=)(.*?)(?=[\n\r])", "o", 1)[0] ),
        "framecount" : parseFloat (searchRegEx(ffprobe, "(?:nb_frames=)(.*?)(?=[\n\r])", "o", 1)[0] ),
        };

    // TEST IF VALID FILE
    if(rtn.duration ==  0){ rtn = false; }

    //
    setProgress(0);
    setMainMessage("");

    //
    return rtn;
}


// =============================================================================
function getAudioSpecs(file)
{
    // GETFRAMECOUNT FOR PROGRESS
    setProgress(101);
    setMainMessage("Opening file");

    var ffprobe = cmd("ffprobe", [
        "-v","error",
        "-select_streams","a:0",
        "-show_entries","stream=duration",
        "-of","default=noprint_wrappers=1",
        file,
        ]);

    // RETURN VALUES
    var rtn = {
        "path" : file,
        "duration": parseFloat (searchRegEx(ffprobe, "(?:duration=)(.*?)(?=[\n\r])", "o", 1)[0] ),
        };

    // TEST IF VALID FILE
    if(rtn.duration == 0){ rtn = false; }

    //
    setProgress(0);
    setMainMessage("");

    //
    return rtn;
}


// =============================================================================
// GENERATE FILENAME
function filename()
{
    // AUDIO AND VIDEO PATH INFO
    var v = getPathInfo(cur_v.path);
    var a = getPathInfo(cur_a.path);

    // SOURCE PATH/NAME CAN BE FROM THE AUDIO OR VIDEO SOURCE
    var source = (settings.sourcename == 'audio' ? a : v);

    // 
    var name = source.basename;
    var ext  = (settings.preset == 'original' ? v.ext : 'mp4'); // FILE EXTENSION
    var path = source.folder;
    var full = ''; // FULL PATH
    var inc  = 0; // FILE INCREMENTAL FOR EXISTING FILES

    // CUSTOM FOLDER
    if(settings.customFolder){ path = settings.customFolder_path; }

    // SUB FOLDER
    if(settings.subFolder){ path = path+gvar.pss+settings.subFolder_val; }

    // NAME TAG
    if(settings.nametag){ name = name+settings.nametag_val; }

    // IF FILE EXISTS, ADD INCREMENTAL
    while (true) {

        // ADD INC. TO END OF THE NAME, INITIALY EMPTY
        var temp_name = name+(inc > 0 ? ' ['+inc+']' : '');

        // FULL PATH INCL. FILENAME
        full = path+gvar.pss+temp_name+'.'+ext;

        // CHECK IF OUTPUT FILENAME IS UNIQUE
        var unique = true;
        for (var i = 0; i < cue.length; i++) {
            if( cue[i].output_file == full ){ unique = false; }
            }

        // IF FILE DOES NOT EXIST CONTINUE
        if(unique && !fileExists(full) ){ break; }

        // IF FILE EXISTS ADD INC. NUMBER
        inc++;
        }

    // RETURN THE FULL PATH
    return full;
}

// =============================================================================
// THE ACTUAL ADD FILE DIALOG
function showDialog(r, msg)
{
    // CUE LENGTH SO FAR
    var cue_count = cue.length;

    // FIELDS
    var args = {};

    // ERR MESSAGE FIELD
    if(msg.length > 0){
        mergeObject(args, {
            "message" : {
                "type" : "text",
                "label" : "ERROR:\n- "+msg.join('\n- '),
                "bounds" : {"x": 20,  "w" : 530, "h" : 200 },
                }
            });
        }

    // ALL OTHER FIELDS
    mergeObject( args, {

        // HIDDEN VALUES, ONLY FOR LOOPING PURPOSE
        "offset_enabled":   { "type": "texteditor", "visible" : false, "default" : r.offset_enabled, },
        "offset_max":       { "type": "texteditor", "visible" : false, "default" : r.offset_max, },
        "add_enabled":      { "type": "texteditor", "visible" : false, "default" : r.add_enabled, },

        // FIELDS
        "spacer1" : {
            "type" : "text",
            "label" : "",
            "just" : "r",
            "bounds" : { "x": 20, "w" : 550, "h" : 1 },
            },

        "video_label" : {
            "type" : "text",
            "label" : "video file",
            "just" : "l",
            "bounds" : {"x": 20,  "w" : 100 },
            },
        "video" : {
            "type" : "fileselect",
            "editable" : false,
            "dir" : false,
            "saving" : false,
            "wildcard" : "*.mov, *.mp4",
            "label" : "video file",
            "bounds" : { "y": -1, "x": 120, "w" : 430 },
            "path" : r.video,
            },
        "header_label" : {
            "type" : "text",
            "label" : "audio file",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 100 },
            }, 
        "audio" : {
            "type" : "fileselect",
            "editable" : false,
            "dir" : false,
            "saving" : false,
            "wildcard" : "*.aif, *.aiff, *.wav",
            "label" : "audio file",
            "bounds" : { "y": -1, "x": 120, "w" : 430 },
            "path" : r.audio,
            }, 
        "offset_help" : {
            "type" : "text",
            "label" : r.offset_help,
            "bounds" : { "x": 20, "w" : 430 },
            "visible" : r.offset_enabled,
            },
        "offset_label" : {
            "type" : "text",
            "label" : "offset",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 100 },
            "enabled" : r.offset_enabled,
            "visible" : r.offset_enabled,
            },
        "offset": { 
            "type": "slider", 
            "style": "slider_h",
            "visible": true, 
            "range" : { "min": 0, "max" : r.offset_max, "interval" : 1, "decimals" : 0 }, 
            "bounds" : { "y": -1, "x": 120, "w" : 430 },
            "value": r.offset,
            "enabled" : r.offset_enabled,
            "visible" : r.offset_enabled,
            },
        "add" : {
            "type" : "button",
            "label" : "add",
            "returns" : 7,
            "bounds" : { "x": 450, "w" : 100 }, 
            "enabled" : r.add_enabled,
            },
        "spacer2" : {
            "type" : "text",
            "label" : "",
            "just" : "r",
            "bounds" : { "x": 20, "w" : 530, "h" : 80 },
            },
        "list" : {
            "type" : "text",
            "label" : "There "+(cue_count == 1 ? "is [one] file": 'are '+(cue_count == 0 ? 'no' : "["+cue_count+"]")+' files')+" in the cue.",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 330 },
            },
        "cancel" : {
            "type" : "button",
            "label" : "cancel",
            "returns" : 0,
            "bounds" : { "y": -1, "x": 340, "w" : 100 }, 
            },
        "ok" : {
            "type" : "button",
            "label" : "start",
            "returns" : 1,
            "bounds" : { "y": -1, "x": 450, "w" : 100 }, 
            "enabled" : (cue_count > 0 ? true : false),
            },
        });

    // RETURN
    return dialog(args, 'dialog_add_callback');
}



// =============================================================================
function LevelFileAnalyse_Progress(file, progress)
{
    setProgress(100 * progress);
}

// =============================================================================
// ON CONFIG, SHOW DIALOG AND SAVE SETTINGS
function onConfig()
{
    // -----------------------------
    // DEFAULT SETTINGS
    init();

    // -----------------------------
    // CUSTOM SETTINGS FROM FILE
    loadSettings();

    // -----------------------------
    // SETTINGS DIALOG
    var r = showSettings();

    // -----------------------------
    // IF RESET IS PUSHED
    if(r.returns === -1){
        deleteFile(settingsFile); // DELETE THE SETTINGS FILE
        init(); // RESET TO DEFAULT SETTINGS
        onConfig(); // OPEN THIS CONFIG FUNCTION AGAIN
        }

    // -----------------------------
    // NO SLASHES ARE ALLOWED
    settings.subFolder_val = replaceInString( settings.subFolder_val, gvar.pss, "" );

    // -----------------------------
    // CUSTOM FOLDER SHOULD NOT END WITH A SLASH
    settings.subFolder_val = (
        settings.subFolder_val.charAt(myString.length - 1) == gvar.pss ?                
        settings.subFolder_val.substring( 0 , myString.length-1) :
        settings.subFolder_val
        );

    // -----------------------------
    // SAVE SETTINGS
    writeFile( settingsFile, objectToString(settings) );

    // -----------------------------
}


// =============================================================================
// ON ABOUT, SHOW POPUP WITH BUTTON TO OPEN WEBSITE
function onAbout()
{
    // -----------------------------
    // DEFAULT SETTINGS
    init();

    // -----------------------------
    var args = {
        "spacer_top": { "type": "text", "label": "","just": "c", "bounds": { "x": 20, "w": 550, "h": 20 }, },
       "info": { 
            "type": "texteditor", 
            "bounds" : { "y" : 70, "x" : 20, "w" : 510, "h" : 150 }, 
            "visible": true, 
            "multiline" : true, 
            "wordwrap" : true, 
            "default" : 'More information on the recipes page on our website.',
            "enabled" : false
            },
        "reveal_settings_file" : {
            "type" : "button",
            "label" : "reveal settings file",
            "bounds" : { "x" : 20, "w" : 510 }, 
            "returns" : 2
            },
        "showpage" : {
            "type" : "button",
            "label" : "show page",
            "bounds" : { "x" : 20, "w" : 510 }, 
            "returns" : 1
            },
        "close" : {
            "type" : "button",
            "label" : "close",
            "bounds" : { "x" : 20, "w" : 510 }, 
            "returns" : 0 
            }
        };

    var r = dialog(header.title, "" , "", args);
    if (r.returns == 2) revealPath(settingsFile);
    if (r.returns == 1) launchInBrowser('https://magnetron.app/recipes/uuid/'+header.uuid+'/');
}


// =============================================================================
// LOAD DEFAULT VALUES
function loadSettings()
{
    // ADD/UPDATE SETTINGS
    if ( fileExists(settingsFile) ){

        // GET FILE
        var t = stringToObject( readFile(settingsFile) );

        // REPLACE VALUES ONE-BY-ONE
        for (var j = 0; j < getObjectSize(t); j++) {
            settings[getObjectKey(t, j)] = getObjectValue(t, j);
            }
        }

    // RETURN THE VALUES
    return true;
}


// =============================================================================
function showSettings()
{

    var form = {

        "spacer_top": { "type": "text", "label": "","just": "c", "bounds": { "x": 20, "w": 550, "h": 20 }, },

        "preset_label" : {
            "type" : "text",
            "label" : "Preset",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 120, }, 
            },
        "preset" : {
            "type" : "combobox",
            "default" : settings.preset,
            "items" : "original,small mp4,large mp4",
            "bounds" : { "y": -1, "x" : 180, "w" : 370, }, 
            },
        "customFolder_label" : {
            "type" : "text",
            "label" : "Custom folder",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 120, }, 
            },
        "customFolder": { 
            "type": "togglebox", 
            "bounds" : { "y": -1, "x": 140, "w" : 25, }, 
            "label" : "", 
            "toggle" : settings.customFolder
            }, 
        "customFolder_path" : {
            "type" : "fileselect",
            "path" : settings.customFolder_path,
            "editable" : false,
            "dir" : true,
            "saving" : true,
            "label" : "empty",
            "bounds" : { "y": -1, "x": 180, "w" : 370, }, 
            "visible": false, 
            },
        "subFolder_label" : {
            "type" : "text",
            "label" : "Sub folder",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 120, }, 
            },
        "subFolder": { 
            "type": "togglebox", 
            "bounds" : { "y": -1, "x": 140, "w" : 25, }, 
            "label" : "", 
            "toggle" : settings.subFolder
            },
        "subFolder_val": { 
            "type": "texteditor", 
            "bounds" : { "y": -1, "x" : 180, "w" : 370, }, 
            "multiline" : false, 
            "wordwrap" : false, 
            "default" : settings.subFolder_val,
            "visible": true, 
            }, 
        "sourcename_label" : {
            "type" : "text",
            "label" : "Source name",
            "just" : "l",
            "bounds" : { "x": 20,  "w" : 120, }, 
            },
        "sourcename" : {
            "type" : "combobox",
            "default" : settings.sourcename,
            "items" : "audio,video",
            "bounds" : { "y" : -1, "x": 180, "w" : 370, },
            "returns" : 0,
            },
        "nametag_val_label" : {
            "type" : "text",
            "label" : "Name tag",
            "just" : "l",
            "bounds" : { "x": 20, "w" : 120, }, 
            },
        "nametag": { 
            "type": "togglebox", 
            "bounds" : { "y": -1, "x": 140, "w" : 25, }, 
            "label" : "", 
            "toggle" : settings.nametag
            }, 
        "nametag_val": { 
            "type": "texteditor", 
            "bounds" : { "y": -1, "x" : 180, "w" : 370, }, 
            "multiline" : false, 
            "wordwrap" : false, 
            "default" : settings.nametag_val,
            "visible": false, 
            },
        "spacer_bottom" : {
            "type" : "text",
            "label" : " ",
            "just" : "r",
            "bounds" : { "x": 0, "w" : 200, "h" : 20  }, 
            },

        // --------------------------------
        "reset" : {
            "type" : "button",
            "label" : "reset",
            "bounds" : { "x": 340, "w" : 100 }, 
            "returns" : -1
            },
        "save" : {
            "type" : "button",
            "label" : "save",
            "bounds" : { "y": -1, "x": 450, "w" : 100 }, 
            "returns" : 1
            },

        // --------------------------------
        };


    // --------------------------------
    return dialog(form, 'dialog_settings_callback');

    // --------------------------------
}

// =============================================================================