Removed the old program structure.

Set Fyne window as master during controller initialization.
Moved the menu to a new structure.
2025-06-09 23:42:09 +05:00 · 2025-06-09 23:38:50 +05:00 · 2025-06-09 23:30:05 +05:00 · 2025-06-09 23:28:25 +05:00 · 2025-06-09 23:25:13 +05:00 · 2025-06-09 23:21:19 +05:00
149 changed files with 4411 additions and 4421 deletions
--- a/convertor/repository.go
+++ b/convertor/repository.go
@ -1,46 +0,0 @@
-package convertor
-
-import (
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/setting"
-)
-
-type RepositoryContract interface {
-	GetPathFfmpeg() string
-	SavePathFfmpeg(code string) setting.Setting
-	GetPathFfprobe() string
-	SavePathFfprobe(code string) setting.Setting
-	GetPathFfplay() string
-	SavePathFfplay(code string) setting.Setting
-}
-
-type Repository struct {
-	settingRepository setting.RepositoryContract
-}
-
-func NewRepository(settingRepository setting.RepositoryContract) *Repository {
-	return &Repository{settingRepository: settingRepository}
-}
-
-func (r Repository) GetPathFfmpeg() string {
-	return r.settingRepository.GetValue("ffmpeg")
-}
-
-func (r Repository) SavePathFfmpeg(path string) setting.Setting {
-	return r.settingRepository.CreateOrUpdate("ffmpeg", path)
-}
-
-func (r Repository) GetPathFfprobe() string {
-	return r.settingRepository.GetValue("ffprobe")
-}
-
-func (r Repository) SavePathFfprobe(path string) setting.Setting {
-	return r.settingRepository.CreateOrUpdate("ffprobe", path)
-}
-
-func (r Repository) GetPathFfplay() string {
-	return r.settingRepository.GetValue("ffplay")
-}
-
-func (r Repository) SavePathFfplay(path string) setting.Setting {
-	return r.settingRepository.CreateOrUpdate("ffplay", path)
-}
--- a/convertor/view.go
+++ b/convertor/view.go
@ -1,60 +0,0 @@
-package convertor
-
-import (
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/canvas"
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-	"image/color"
-)
-
-type ViewContract interface {
-	Main(
-		formConversion view.ConversionContract,
-	)
-	SelectFFPath(
-		ffmpegPath string,
-		ffprobePath string,
-		ffplayPath string,
-		save func(ffmpegPath string, ffprobePath string, ffplayPath string) error,
-		cancel func(),
-		donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error,
-	)
-}
-
-type View struct {
-	app            kernel.AppContract
-	downloadFFmpeg *downloadFFmpeg
-}
-
-type downloadFFmpeg struct {
-	isDownloadFFmpeg             bool
-	blockDownloadFFmpegContainer *fyne.Container
-}
-
-func NewView(app kernel.AppContract) *View {
-	return &View{
-		app: app,
-		downloadFFmpeg: &downloadFFmpeg{
-			blockDownloadFFmpegContainer: nil,
-		},
-	}
-}
-
-func (v View) Main(formConversion view.ConversionContract) {
-	converterVideoFilesTitle := v.app.GetLocalizerService().GetMessage("converterVideoFilesTitle")
-	v.app.GetWindow().SetContent(widget.NewCard(converterVideoFilesTitle, "", container.NewVScroll(formConversion.GetContent())))
-	formConversion.AfterViewContent()
-}
-
-func setStringErrorStyle(text *canvas.Text) {
-	text.Color = color.RGBA{R: 255, G: 0, B: 0, A: 255}
-	text.Refresh()
-}
-
-func setStringSuccessStyle(text *canvas.Text) {
-	text.Color = color.RGBA{R: 49, G: 127, B: 114, A: 255}
-	text.Refresh()
-}
--- a/convertor/view/conversion.go
+++ b/convertor/view/conversion.go
@ -1,515 +0,0 @@
-package view
-
-import (
-	"errors"
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/canvas"
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/storage"
-	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items"
-	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel/encoder"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/setting"
-	"image/color"
-	"os"
-	"path/filepath"
-)
-
-type ConversionContract interface {
-	GetContent() fyne.CanvasObject
-	AfterViewContent()
-}
-
-type Conversion struct {
-	app                   kernel.AppContract
-	form                  *form
-	conversionMessage     *canvas.Text
-	fileForConversion     *fileForConversion
-	directoryForSaving    *directoryForSaving
-	overwriteOutputFiles  *overwriteOutputFiles
-	selectEncoder         *selectEncoder
-	runConvert            func(setting HandleConvertSetting)
-	itemsToConvertService kernel.ItemsToConvertContract
-}
-
-type HandleConvertSetting struct {
-	DirectoryForSave     string
-	OverwriteOutputFiles bool
-	Format               string
-	Encoder              encoder2.EncoderContract
-}
-
-func NewConversion(app kernel.AppContract, formats encoder.ConvertorFormatsContract, runConvert func(setting HandleConvertSetting), settingDirectoryForSaving setting.DirectoryForSavingContract, itemsToConvertService kernel.ItemsToConvertContract) *Conversion {
-	conversionMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
-	conversionMessage.TextSize = 16
-	conversionMessage.TextStyle = fyne.TextStyle{Bold: true}
-
-	fileForConversion := newFileForConversion(app, itemsToConvertService)
-	directoryForSaving := newDirectoryForSaving(app, settingDirectoryForSaving)
-	overwriteOutputFiles := newOverwriteOutputFiles(app)
-	selectEncoder := newSelectEncoder(app, formats)
-
-	items := []*widget.FormItem{
-		{
-			Text:   app.GetLocalizerService().GetMessage("fileForConversionTitle"),
-			Widget: fileForConversion.button,
-		},
-		{
-			Widget: container.NewHScroll(fileForConversion.message),
-		},
-		{
-			Text:   app.GetLocalizerService().GetMessage("buttonForSelectedDirTitle"),
-			Widget: directoryForSaving.button,
-		},
-		{
-			Widget: container.NewHScroll(directoryForSaving.message),
-		},
-		{
-			Widget: overwriteOutputFiles.checkbox,
-		},
-		{
-			Widget: selectEncoder.SelectFileType,
-		},
-		{
-			Text:   app.GetLocalizerService().GetMessage("selectFormat"),
-			Widget: selectEncoder.SelectFormat,
-		},
-		{
-			Text:   app.GetLocalizerService().GetMessage("selectEncoder"),
-			Widget: selectEncoder.SelectEncoder,
-		},
-	}
-	form := newForm(app, items)
-
-	return &Conversion{
-		app:                   app,
-		form:                  form,
-		conversionMessage:     conversionMessage,
-		fileForConversion:     fileForConversion,
-		directoryForSaving:    directoryForSaving,
-		overwriteOutputFiles:  overwriteOutputFiles,
-		selectEncoder:         selectEncoder,
-		runConvert:            runConvert,
-		itemsToConvertService: itemsToConvertService,
-	}
-}
-
-func (c Conversion) GetContent() fyne.CanvasObject {
-	c.form.form.OnSubmit = c.submit
-	c.fileForConversion.AddChangeCallback(c.selectFileForConversion)
-	c.selectEncoder.AddChangeCallback(c.changeEncoder)
-	if c.selectEncoder.Encoder != nil {
-		c.selectEncoder.SelectEncoder.SetSelectedIndex(c.selectEncoder.SelectEncoder.SelectedIndex())
-	}
-
-	return container.NewVBox(
-		c.form.form,
-		c.conversionMessage,
-	)
-}
-
-func (c Conversion) changeEncoder(encoder encoder2.EncoderContract) {
-	items := []*widget.FormItem{}
-
-	if form_items.Views[encoder.GetName()] != nil {
-		items = form_items.Views[encoder.GetName()](encoder, c.app)
-	}
-
-	c.form.ChangeItems(items)
-}
-
-func (c Conversion) AfterViewContent() {
-	if len(c.itemsToConvertService.GetItems()) == 0 {
-		c.form.form.Disable()
-	}
-}
-
-func (c Conversion) selectFileForConversion(err error) {
-	c.conversionMessage.Text = ""
-	if len(c.itemsToConvertService.GetItems()) == 0 {
-		if err != nil {
-			c.form.form.Disable()
-			return
-		}
-	}
-
-	c.form.form.Enable()
-}
-
-func (c Conversion) submit() {
-	if len(c.itemsToConvertService.GetItems()) == 0 {
-		showConversionMessage(c.conversionMessage, errors.New(c.app.GetLocalizerService().GetMessage("errorNoFilesAddedForConversion")))
-		c.enableFormConversion()
-		return
-	}
-
-	if len(c.directoryForSaving.path) == 0 {
-		showConversionMessage(c.conversionMessage, errors.New(c.app.GetLocalizerService().GetMessage("errorSelectedFolderSave")))
-		c.enableFormConversion()
-		return
-	}
-	if len(c.selectEncoder.SelectFormat.Selected) == 0 {
-		showConversionMessage(c.conversionMessage, errors.New(c.app.GetLocalizerService().GetMessage("errorSelectedFormat")))
-		return
-	}
-	if c.selectEncoder.Encoder == nil {
-		showConversionMessage(c.conversionMessage, errors.New(c.app.GetLocalizerService().GetMessage("errorSelectedEncoder")))
-		return
-	}
-	c.conversionMessage.Text = ""
-
-	c.fileForConversion.button.Disable()
-	c.directoryForSaving.button.Disable()
-	c.form.form.Disable()
-
-	c.runConvert(HandleConvertSetting{
-		DirectoryForSave:     c.directoryForSaving.path,
-		OverwriteOutputFiles: c.overwriteOutputFiles.IsChecked(),
-		Format:               c.selectEncoder.SelectFormat.Selected,
-		Encoder:              c.selectEncoder.Encoder,
-	})
-	c.enableFormConversion()
-
-	if len(c.itemsToConvertService.GetItems()) == 0 {
-		c.form.form.Disable()
-	}
-}
-
-func (c Conversion) enableFormConversion() {
-	c.fileForConversion.button.Enable()
-	c.directoryForSaving.button.Enable()
-	c.form.form.Enable()
-}
-
-type fileForConversion struct {
-	button  *widget.Button
-	message *canvas.Text
-	file    *kernel.File
-
-	changeCallbacks map[int]func(err error)
-}
-
-func newFileForConversion(app kernel.AppContract, itemsToConvertService kernel.ItemsToConvertContract) *fileForConversion {
-	message := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
-	fileForConversion := &fileForConversion{
-		message: message,
-
-		changeCallbacks: map[int]func(err error){},
-	}
-
-	buttonTitle := app.GetLocalizerService().GetMessage("choose") + "\n" +
-		app.GetLocalizerService().GetMessage("or") + "\n" +
-		app.GetLocalizerService().GetMessage("dragAndDropFiles")
-
-	var locationURI fyne.ListableURI
-
-	fileForConversion.button = widget.NewButton(buttonTitle, func() {
-		app.GetWindow().NewFileOpen(func(r fyne.URIReadCloser, err error) {
-			fyne.Do(func() {
-				fileForConversion.message.Text = ""
-				fileForConversion.message.Refresh()
-			})
-
-			if err != nil {
-				fyne.Do(func() {
-					fileForConversion.message.Text = err.Error()
-					fileForConversion.message.Refresh()
-				})
-				fileForConversion.eventSelectFile(err)
-				return
-			}
-			if r == nil {
-				return
-			}
-			app.GetWindow().GetLayout().GetRightTabs().SelectAddedFilesTab()
-
-			itemsToConvertService.Add(&kernel.File{
-				Path: r.URI().Path(),
-				Name: r.URI().Name(),
-				Ext:  r.URI().Extension(),
-			})
-
-			fileForConversion.eventSelectFile(nil)
-
-			listableURI := storage.NewFileURI(filepath.Dir(r.URI().Path()))
-			locationURI, _ = storage.ListerForURI(listableURI)
-		}, locationURI)
-	})
-
-	app.GetWindow().SetOnDropped(func(position fyne.Position, uris []fyne.URI) {
-		if len(uris) == 0 {
-			return
-		}
-
-		isError := false
-		for _, uri := range uris {
-			info, err := os.Stat(uri.Path())
-			if err != nil {
-				isError = true
-				continue
-			}
-			if info.IsDir() {
-				isError = true
-				continue
-			}
-
-			itemsToConvertService.Add(&kernel.File{
-				Path: uri.Path(),
-				Name: uri.Name(),
-				Ext:  uri.Extension(),
-			})
-
-			fileForConversion.eventSelectFile(nil)
-
-			listableURI := storage.NewFileURI(filepath.Dir(uri.Path()))
-			locationURI, _ = storage.ListerForURI(listableURI)
-		}
-		app.GetWindow().GetLayout().GetRightTabs().SelectAddedFilesTab()
-		if isError {
-			fileForConversion.message.Text = app.GetLocalizerService().GetMessage("errorDragAndDropFile")
-			setStringErrorStyle(fileForConversion.message)
-			fileForConversion.eventSelectFile(errors.New(fileForConversion.message.Text))
-		} else {
-			fyne.Do(func() {
-				fileForConversion.message.Text = ""
-				fileForConversion.message.Refresh()
-			})
-		}
-	})
-
-	return fileForConversion
-}
-
-func (c fileForConversion) AddChangeCallback(callback func(err error)) {
-	c.changeCallbacks[len(c.changeCallbacks)] = callback
-}
-
-func (c fileForConversion) eventSelectFile(err error) {
-	for _, changeCallback := range c.changeCallbacks {
-		changeCallback(err)
-	}
-}
-
-type directoryForSaving struct {
-	button  *widget.Button
-	message *canvas.Text
-	path    string
-}
-
-func newDirectoryForSaving(app kernel.AppContract, settingDirectoryForSaving setting.DirectoryForSavingContract) *directoryForSaving {
-	directoryForSaving := &directoryForSaving{
-		path: "",
-	}
-
-	directoryForSaving.message = canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
-	directoryForSaving.message.TextSize = 16
-	directoryForSaving.message.TextStyle = fyne.TextStyle{Bold: true}
-
-	buttonTitle := app.GetLocalizerService().GetMessage("choose")
-
-	var locationURI fyne.ListableURI
-
-	location, err := getDirectoryForSaving(settingDirectoryForSaving)
-	if err == nil {
-		directoryForSaving.path = location.Path()
-		directoryForSaving.message.Text = location.Path()
-		setStringSuccessStyle(directoryForSaving.message)
-	}
-
-	directoryForSaving.button = widget.NewButton(buttonTitle, func() {
-		app.GetWindow().NewFolderOpen(func(r fyne.ListableURI, err error) {
-			if err != nil {
-				directoryForSaving.message.Text = err.Error()
-				setStringErrorStyle(directoryForSaving.message)
-				return
-			}
-			if r == nil {
-				return
-			}
-
-			directoryForSaving.path = r.Path()
-
-			directoryForSaving.message.Text = r.Path()
-			setStringSuccessStyle(directoryForSaving.message)
-			locationURI, err = storage.ListerForURI(r)
-
-			if err == nil {
-				_ = settingDirectoryForSaving.SaveDirectoryForSaving(locationURI.Path())
-			}
-
-		}, locationURI)
-	})
-
-	return directoryForSaving
-}
-
-func getDirectoryForSaving(settingDirectoryForSaving setting.DirectoryForSavingContract) (fyne.ListableURI, error) {
-	path := settingDirectoryForSaving.GetDirectoryForSaving()
-
-	if len(path) > 0 {
-		path = "file://" + path
-	}
-
-	uri, err := storage.ParseURI(path)
-	if err != nil {
-		return nil, err
-	}
-
-	return storage.ListerForURI(uri)
-}
-
-type overwriteOutputFiles struct {
-	checkbox  *widget.Check
-	isChecked bool
-}
-
-func newOverwriteOutputFiles(app kernel.AppContract) *overwriteOutputFiles {
-	overwriteOutputFiles := &overwriteOutputFiles{
-		isChecked: false,
-	}
-	checkboxOverwriteOutputFilesTitle := app.GetLocalizerService().GetMessage("checkboxOverwriteOutputFilesTitle")
-	overwriteOutputFiles.checkbox = widget.NewCheck(checkboxOverwriteOutputFilesTitle, func(b bool) {
-		overwriteOutputFiles.isChecked = b
-	})
-
-	return overwriteOutputFiles
-}
-
-func (receiver overwriteOutputFiles) IsChecked() bool {
-	return receiver.isChecked
-}
-
-type selectEncoder struct {
-	SelectFileType *widget.RadioGroup
-	SelectFormat   *widget.Select
-	SelectEncoder  *widget.Select
-	Encoder        encoder2.EncoderContract
-
-	changeCallbacks map[int]func(encoder encoder2.EncoderContract)
-}
-
-func newSelectEncoder(app kernel.AppContract, formats encoder.ConvertorFormatsContract) *selectEncoder {
-	selectEncoder := &selectEncoder{
-		changeCallbacks: map[int]func(encoder encoder2.EncoderContract){},
-	}
-
-	encoders := map[int]encoder2.EncoderDataContract{}
-	selectEncoder.SelectEncoder = widget.NewSelect([]string{}, func(s string) {
-		if encoders[selectEncoder.SelectEncoder.SelectedIndex()] == nil {
-			return
-		}
-		selectEncoderData := encoders[selectEncoder.SelectEncoder.SelectedIndex()]
-		selectEncoder.ChangeEncoder(selectEncoderData.NewEncoder())
-	})
-
-	formatSelected := ""
-	selectEncoder.SelectFormat = widget.NewSelect([]string{}, func(s string) {
-		if formatSelected == s {
-			return
-		}
-		formatSelected = s
-		format, err := formats.GetFormat(s)
-		if err != nil {
-			return
-		}
-		encoderOptions := []string{}
-		encoders = map[int]encoder2.EncoderDataContract{}
-		for _, e := range format.GetEncoders() {
-			encoders[len(encoders)] = e
-			encoderOptions = append(encoderOptions, app.GetLocalizerService().GetMessage("encoder_"+e.GetTitle()))
-		}
-		selectEncoder.SelectEncoder.SetOptions(encoderOptions)
-		selectEncoder.SelectEncoder.SetSelectedIndex(0)
-	})
-
-	fileTypeOptions := []string{}
-	for _, fileType := range encoder2.GetListFileType() {
-		fileTypeOptions = append(fileTypeOptions, fileType.Name())
-	}
-
-	encoderGroupVideo := app.GetLocalizerService().GetMessage("encoderGroupVideo")
-	encoderGroupAudio := app.GetLocalizerService().GetMessage("encoderGroupAudio")
-	encoderGroupImage := app.GetLocalizerService().GetMessage("encoderGroupImage")
-	encoderGroup := map[string]string{
-		encoderGroupVideo: "video",
-		encoderGroupAudio: "audio",
-		encoderGroupImage: "image",
-	}
-	selectEncoder.SelectFileType = widget.NewRadioGroup([]string{encoderGroupVideo, encoderGroupAudio, encoderGroupImage}, func(s string) {
-		groupCode := encoderGroup[s]
-
-		formatOptions := []string{}
-		for _, f := range formats.GetFormats() {
-			if groupCode != f.GetFileType().Name() {
-				continue
-			}
-			formatOptions = append(formatOptions, f.GetTitle())
-		}
-		selectEncoder.SelectFormat.SetOptions(formatOptions)
-		if groupCode == encoder2.FileType(encoder2.Video).Name() {
-			selectEncoder.SelectFormat.SetSelected("mp4")
-		} else {
-			selectEncoder.SelectFormat.SetSelectedIndex(0)
-		}
-	})
-	selectEncoder.SelectFileType.Horizontal = true
-	selectEncoder.SelectFileType.Required = true
-	selectEncoder.SelectFileType.SetSelected(encoderGroupVideo)
-
-	return selectEncoder
-}
-
-func (e *selectEncoder) ChangeEncoder(encoder encoder2.EncoderContract) {
-	e.Encoder = encoder
-	e.eventSelectEncoder(e.Encoder)
-}
-
-func (e *selectEncoder) AddChangeCallback(callback func(encoder encoder2.EncoderContract)) {
-	e.changeCallbacks[len(e.changeCallbacks)] = callback
-}
-
-func (e *selectEncoder) eventSelectEncoder(encoder encoder2.EncoderContract) {
-	for _, changeCallback := range e.changeCallbacks {
-		changeCallback(encoder)
-	}
-}
-
-func setStringErrorStyle(text *canvas.Text) {
-	text.Color = color.RGBA{R: 255, G: 0, B: 0, A: 255}
-	text.Refresh()
-}
-
-func setStringSuccessStyle(text *canvas.Text) {
-	text.Color = color.RGBA{R: 49, G: 127, B: 114, A: 255}
-	text.Refresh()
-}
-
-func showConversionMessage(conversionMessage *canvas.Text, err error) {
-	conversionMessage.Text = err.Error()
-	setStringErrorStyle(conversionMessage)
-}
-
-type form struct {
-	form  *widget.Form
-	items []*widget.FormItem
-}
-
-func newForm(app kernel.AppContract, items []*widget.FormItem) *form {
-	f := widget.NewForm()
-	f.SubmitText = app.GetLocalizerService().GetMessage("converterVideoFilesSubmitTitle")
-	f.Items = items
-
-	return &form{
-		form:  f,
-		items: items,
-	}
-}
-
-func (f form) ChangeItems(items []*widget.FormItem) {
-	f.form.Items = f.items
-	f.form.Refresh()
-	f.form.Items = append(f.form.Items, items...)
-	f.form.Refresh()
-}
--- a/convertor/view/form_items/form.go
+++ b/convertor/view/form_items/form.go
@ -1,16 +0,0 @@
-package form_items
-
-import (
-	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/h264_nvenc"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/libx264"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view/form_items/libx265"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-)
-
-var Views = map[string]func(encoder encoder.EncoderContract, app kernel.AppContract) []*widget.FormItem{
-	"libx264":    libx264.View,
-	"h264_nvenc": h264_nvenc.View,
-	"libx265":    libx265.View,
-}
--- a/convertor/view_setting_button_download_ffmpeg_anyos.go
+++ b/convertor/view_setting_button_download_ffmpeg_anyos.go
@ -1,17 +0,0 @@
-//go:build !windows && !linux
-// +build !windows,!linux
-
-package convertor
-
-import (
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/canvas"
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/widget"
-)
-
-func (v View) blockDownloadFFmpeg(
-	donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error,
-) *fyne.Container {
-	return container.NewVBox()
-}
--- a/encoder/apng/encoder.go
+++ b/encoder/apng/encoder.go
@ -1,19 +0,0 @@
-package apng
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "apng"}
-	}
-
-	return encoder2.NewEncoder("apng", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "apng"
-	formats := []string{"apng"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/bmp/encoder.go
+++ b/encoder/bmp/encoder.go
@ -1,19 +0,0 @@
-package bmp
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "bmp"}
-	}
-
-	return encoder2.NewEncoder("bmp", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "bmp"
-	formats := []string{"bmp"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/flv/encoder.go
+++ b/encoder/flv/encoder.go
@ -1,19 +0,0 @@
-package flv
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "flv"}
-	}
-
-	return encoder2.NewEncoder("flv", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "flv"
-	formats := []string{"flv"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/gif/encoder.go
+++ b/encoder/gif/encoder.go
@ -1,19 +0,0 @@
-package gif
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "gif"}
-	}
-
-	return encoder2.NewEncoder("gif", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "gif"
-	formats := []string{"gif"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libmp3lame/encoder.go
+++ b/encoder/libmp3lame/encoder.go
@ -1,19 +0,0 @@
-package libmp3lame
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "libmp3lame"}
-	}
-
-	return encoder2.NewEncoder("libmp3lame", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libmp3lame"
-	formats := []string{"mp3"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libshine/encoder.go
+++ b/encoder/libshine/encoder.go
@ -1,19 +0,0 @@
-package libshine
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "libshine"}
-	}
-
-	return encoder2.NewEncoder("libshine", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libshine"
-	formats := []string{"mp3"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libtwolame/encoder.go
+++ b/encoder/libtwolame/encoder.go
@ -1,19 +0,0 @@
-package libtwolame
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "libtwolame"}
-	}
-
-	return encoder2.NewEncoder("libtwolame", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libtwolame"
-	formats := []string{"mp2"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libvpx/encoder.go
+++ b/encoder/libvpx/encoder.go
@ -1,19 +0,0 @@
-package libvpx
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libvpx"}
-	}
-
-	return encoder2.NewEncoder("libvpx", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libvpx"
-	formats := []string{"webm", "mkv"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libvpx_vp9/encoder.go
+++ b/encoder/libvpx_vp9/encoder.go
@ -1,19 +0,0 @@
-package libvpx_vp9
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libvpx-vp9"}
-	}
-
-	return encoder2.NewEncoder("libvpx_vp9", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libvpx-vp9"
-	formats := []string{"webm", "mkv"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libwebp/encoder.go
+++ b/encoder/libwebp/encoder.go
@ -1,19 +0,0 @@
-package libwebp
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libwebp"}
-	}
-
-	return encoder2.NewEncoder("libwebp", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libwebp"
-	formats := []string{"webp"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libwebp_anim/encoder.go
+++ b/encoder/libwebp_anim/encoder.go
@ -1,19 +0,0 @@
-package libwebp_anim
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libwebp_anim"}
-	}
-
-	return encoder2.NewEncoder("libwebp_anim", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libwebp_anim"
-	formats := []string{"webp"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/libxvid/encoder.go
+++ b/encoder/libxvid/encoder.go
@ -1,19 +0,0 @@
-package libxvid
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "libxvid"}
-	}
-
-	return encoder2.NewEncoder("libxvid", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "libxvid"
-	formats := []string{"avi"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mjpeg/encoder.go
+++ b/encoder/mjpeg/encoder.go
@ -1,19 +0,0 @@
-package mjpeg
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "mjpeg"}
-	}
-
-	return encoder2.NewEncoder("mjpeg", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mjpeg"
-	formats := []string{"jpg"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mp2/encoder.go
+++ b/encoder/mp2/encoder.go
@ -1,19 +0,0 @@
-package mp2
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "mp2"}
-	}
-
-	return encoder2.NewEncoder("mp2", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mp2"
-	formats := []string{"mp2"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mp2fixed/encoder.go
+++ b/encoder/mp2fixed/encoder.go
@ -1,19 +0,0 @@
-package mp2fixed
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "mp2fixed"}
-	}
-
-	return encoder2.NewEncoder("mp2fixed", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mp2fixed"
-	formats := []string{"mp2"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mpeg1video/encoder.go
+++ b/encoder/mpeg1video/encoder.go
@ -1,19 +0,0 @@
-package mpeg1video
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "mpeg1video"}
-	}
-
-	return encoder2.NewEncoder("mpeg1video", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mpeg1video"
-	formats := []string{"mpg", "mpeg"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mpeg2video/encoder.go
+++ b/encoder/mpeg2video/encoder.go
@ -1,19 +0,0 @@
-package mpeg2video
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "mpeg2video"}
-	}
-
-	return encoder2.NewEncoder("mpeg2video", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mpeg2video"
-	formats := []string{"mpg", "mpeg"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/mpeg4/encoder.go
+++ b/encoder/mpeg4/encoder.go
@ -1,19 +0,0 @@
-package mpeg4
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "mpeg4"}
-	}
-
-	return encoder2.NewEncoder("mpeg4", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "mpeg4"
-	formats := []string{"avi"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/msmpeg4/encoder.go
+++ b/encoder/msmpeg4/encoder.go
@ -1,19 +0,0 @@
-package msmpeg4
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "msmpeg4"}
-	}
-
-	return encoder2.NewEncoder("msmpeg4", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "msmpeg4"
-	formats := []string{"avi"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/msmpeg4v2/encoder.go
+++ b/encoder/msmpeg4v2/encoder.go
@ -1,19 +0,0 @@
-package msmpeg4v2
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "msmpeg4v2"}
-	}
-
-	return encoder2.NewEncoder("msmpeg4v2", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "msmpeg4v2"
-	formats := []string{"avi"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/msvideo1/encoder.go
+++ b/encoder/msvideo1/encoder.go
@ -1,19 +0,0 @@
-package msvideo1
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "msvideo1"}
-	}
-
-	return encoder2.NewEncoder("msvideo1", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "msvideo1"
-	formats := []string{"avi"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/png/encoder.go
+++ b/encoder/png/encoder.go
@ -1,19 +0,0 @@
-package png
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "png"}
-	}
-
-	return encoder2.NewEncoder("png", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "png"
-	formats := []string{"png"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/qtrle/encoder.go
+++ b/encoder/qtrle/encoder.go
@ -1,19 +0,0 @@
-package qtrle
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "qtrle"}
-	}
-
-	return encoder2.NewEncoder("qtrle", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "qtrle"
-	formats := []string{"mov"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/sgi/encoder.go
+++ b/encoder/sgi/encoder.go
@ -1,19 +0,0 @@
-package sgi
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "sgi"}
-	}
-
-	return encoder2.NewEncoder("sgi", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "sgi"
-	formats := []string{"sgi"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/tiff/encoder.go
+++ b/encoder/tiff/encoder.go
@ -1,19 +0,0 @@
-package tiff
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "tiff"}
-	}
-
-	return encoder2.NewEncoder("tiff", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "tiff"
-	formats := []string{"tiff"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/wmav1/encoder.go
+++ b/encoder/wmav1/encoder.go
@ -1,19 +0,0 @@
-package wmav1
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "wmav1"}
-	}
-
-	return encoder2.NewEncoder("wmav1", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "wmav1"
-	formats := []string{"wma"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/wmav2/encoder.go
+++ b/encoder/wmav2/encoder.go
@ -1,19 +0,0 @@
-package wmav2
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:a", "wmav2"}
-	}
-
-	return encoder2.NewEncoder("wmav2", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "wmav2"
-	formats := []string{"wma"}
-	fileType := encoder2.FileType(encoder2.Audio)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/wmv1/encoder.go
+++ b/encoder/wmv1/encoder.go
@ -1,19 +0,0 @@
-package wmv1
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "wmv1"}
-	}
-
-	return encoder2.NewEncoder("wmv1", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "wmv1"
-	formats := []string{"wmv"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/wmv2/encoder.go
+++ b/encoder/wmv2/encoder.go
@ -1,19 +0,0 @@
-package wmv2
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "wmv2"}
-	}
-
-	return encoder2.NewEncoder("wmv2", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "wmv2"
-	formats := []string{"wmv"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/encoder/xbm/encoder.go
+++ b/encoder/xbm/encoder.go
@ -1,19 +0,0 @@
-package xbm
-
-import encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
-
-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
-		return []string{"-c:v", "xbm"}
-	}
-
-	return encoder2.NewEncoder("xbm", parameters, getParams)
-}
-
-func NewData() encoder2.EncoderDataContract {
-	title := "xbm"
-	formats := []string{"xbm"}
-	fileType := encoder2.FileType(encoder2.Image)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
-}
--- a/error/view.go
+++ b/error/view.go
@ -1,39 +0,0 @@
-package error
-
-import (
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/localizer"
-)
-
-type ViewContract interface {
-	PanicError(err error)
-}
-
-type View struct {
-	app kernel.AppContract
-}
-
-func NewView(app kernel.AppContract) *View {
-	return &View{
-		app: app,
-	}
-}
-
-func (v View) PanicError(err error) {
-	messageHead := v.app.GetLocalizerService().GetMessage("error")
-
-	v.app.GetWindow().SetContent(container.NewBorder(
-		container.NewVBox(
-			widget.NewLabel(messageHead),
-			widget.NewLabel(err.Error()),
-		),
-		nil,
-		nil,
-		nil,
-		localizer.LanguageSelectionForm(v.app.GetLocalizerService(), func(lang kernel.Lang) {
-			v.PanicError(err)
-		}),
-	))
-}
--- a/handler/convertor.go
+++ b/handler/convertor.go
@ -1,178 +0,0 @@
-package handler
-
-import (
-	"errors"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/convertor/view"
-	error2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/error"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/helper"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/setting"
-)
-
-type ConvertorHandlerContract interface {
-	MainConvertor()
-	FfPathSelection()
-	GetFfmpegVersion() (string, error)
-	GetFfprobeVersion() (string, error)
-	GetFfplayVersion() (string, error)
-}
-
-type ConvertorHandler struct {
-	app                       kernel.AppContract
-	convertorView             convertor.ViewContract
-	errorView                 error2.ViewContract
-	convertorRepository       convertor.RepositoryContract
-	settingDirectoryForSaving setting.DirectoryForSavingContract
-	itemsToConvertService     kernel.ItemsToConvertContract
-}
-
-func NewConvertorHandler(
-	app kernel.AppContract,
-	convertorView convertor.ViewContract,
-	errorView error2.ViewContract,
-	convertorRepository convertor.RepositoryContract,
-	settingDirectoryForSaving setting.DirectoryForSavingContract,
-	itemsToConvertService kernel.ItemsToConvertContract,
-) *ConvertorHandler {
-	return &ConvertorHandler{
-		app:                       app,
-		convertorView:             convertorView,
-		errorView:                 errorView,
-		convertorRepository:       convertorRepository,
-		settingDirectoryForSaving: settingDirectoryForSaving,
-		itemsToConvertService:     itemsToConvertService,
-	}
-}
-
-func (h ConvertorHandler) MainConvertor() {
-	if h.checkingFFPathUtilities() == true {
-		formats, err := h.app.GetConvertorService().GetSupportFormats()
-		if err != nil {
-			h.errorView.PanicError(err)
-			return
-		}
-		conversion := view.NewConversion(h.app, formats, h.runConvert, h.settingDirectoryForSaving, h.itemsToConvertService)
-		h.convertorView.Main(conversion)
-		return
-	}
-	h.convertorView.SelectFFPath("", "", "", h.saveSettingFFPath, nil, h.downloadFFmpeg)
-}
-
-func (h ConvertorHandler) FfPathSelection() {
-	ffmpeg := h.convertorRepository.GetPathFfmpeg()
-	ffprobe := h.convertorRepository.GetPathFfprobe()
-	ffplay := h.convertorRepository.GetPathFfplay()
-	h.convertorView.SelectFFPath(ffmpeg, ffprobe, ffplay, h.saveSettingFFPath, h.MainConvertor, h.downloadFFmpeg)
-}
-
-func (h ConvertorHandler) GetFfmpegVersion() (string, error) {
-	return h.app.GetConvertorService().GetFFmpegVesrion()
-}
-
-func (h ConvertorHandler) GetFfprobeVersion() (string, error) {
-	return h.app.GetConvertorService().GetFFprobeVersion()
-}
-
-func (h ConvertorHandler) GetFfplayVersion() (string, error) {
-	return h.app.GetConvertorService().GetFFplayVersion()
-}
-
-func (h ConvertorHandler) runConvert(setting view.HandleConvertSetting) {
-	h.app.GetWindow().GetLayout().GetRightTabs().SelectFileQueueTab()
-
-	for _, item := range h.itemsToConvertService.GetItems() {
-		file := item.GetFile()
-		if file == nil {
-			continue
-		}
-
-		h.app.GetQueue().Add(&kernel.ConvertSetting{
-			VideoFileInput: *file,
-			VideoFileOut: kernel.File{
-				Path: setting.DirectoryForSave + helper.PathSeparator() + file.Name + "." + setting.Format,
-				Name: file.Name,
-				Ext:  "." + setting.Format,
-			},
-			OverwriteOutputFiles: setting.OverwriteOutputFiles,
-			Encoder:              setting.Encoder,
-		})
-	}
-	h.itemsToConvertService.AfterAddingQueue()
-}
-
-func (h ConvertorHandler) checkingFFPathUtilities() bool {
-	if h.checkingFFPath() == true {
-		return true
-	}
-
-	pathsToFF := getPathsToFF()
-	for _, item := range pathsToFF {
-		ffmpegChecking, _ := h.app.GetConvertorService().ChangeFFmpegPath(item.FFmpeg)
-		if ffmpegChecking == false {
-			continue
-		}
-		ffprobeChecking, _ := h.app.GetConvertorService().ChangeFFprobePath(item.FFprobe)
-		if ffprobeChecking == false {
-			continue
-		}
-
-		ffplayChecking, _ := h.app.GetConvertorService().ChangeFFplayPath(item.FFplay)
-		if ffplayChecking == false {
-			continue
-		}
-		_ = h.convertorRepository.SavePathFfmpeg(item.FFmpeg)
-		_ = h.convertorRepository.SavePathFfprobe(item.FFprobe)
-		_ = h.convertorRepository.SavePathFfplay(item.FFplay)
-		return true
-	}
-
-	return false
-}
-
-func (h ConvertorHandler) saveSettingFFPath(ffmpegPath string, ffprobePath string, ffplayPath string) error {
-	ffmpegChecking, _ := h.app.GetConvertorService().ChangeFFmpegPath(ffmpegPath)
-	if ffmpegChecking == false {
-		errorText := h.app.GetLocalizerService().GetMessage("errorFFmpeg")
-		return errors.New(errorText)
-	}
-
-	ffprobeChecking, _ := h.app.GetConvertorService().ChangeFFprobePath(ffprobePath)
-	if ffprobeChecking == false {
-		errorText := h.app.GetLocalizerService().GetMessage("errorFFprobe")
-		return errors.New(errorText)
-	}
-
-	ffplayChecking, _ := h.app.GetConvertorService().ChangeFFplayPath(ffplayPath)
-	if ffplayChecking == false {
-		errorText := h.app.GetLocalizerService().GetMessage("errorFFplay")
-		return errors.New(errorText)
-	}
-
-	_ = h.convertorRepository.SavePathFfmpeg(ffmpegPath)
-	_ = h.convertorRepository.SavePathFfprobe(ffprobePath)
-	_ = h.convertorRepository.SavePathFfplay(ffplayPath)
-
-	h.MainConvertor()
-
-	return nil
-}
-
-func (h ConvertorHandler) checkingFFPath() bool {
-	_, err := h.app.GetConvertorService().GetFFmpegVesrion()
-	if err != nil {
-		return false
-	}
-
-	_, err = h.app.GetConvertorService().GetFFprobeVersion()
-	if err != nil {
-		return false
-	}
-
-	_, err = h.app.GetConvertorService().GetFFplayVersion()
-	if err != nil {
-		return false
-	}
-
-	return true
-}
--- a/handler/convertor_anyos.go
+++ b/handler/convertor_anyos.go
@ -1,18 +0,0 @@
-//go:build !windows && !linux
-// +build !windows,!linux
-
-package handler
-
-import (
-	"fyne.io/fyne/v2/canvas"
-	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-)
-
-func getPathsToFF() []kernel.FFPathUtilities {
-	return []kernel.FFPathUtilities{{FFmpeg: "ffmpeg/bin/ffmpeg", FFprobe: "ffmpeg/bin/ffprobe", FFplay: "ffmpeg/bin/ffplay"}, {FFmpeg: "ffmpeg", FFprobe: "ffprobe", FFplay: "ffplay"}}
-}
-
-func (h ConvertorHandler) downloadFFmpeg(progressBar *widget.ProgressBar, progressMessage *canvas.Text) (err error) {
-	return nil
-}
--- a/handler/main.go
+++ b/handler/main.go
@ -1,32 +0,0 @@
-package handler
-
-import (
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-)
-
-type MainHandler struct {
-	app              kernel.AppContract
-	convertorHandler ConvertorHandlerContract
-	menuHandler      MenuHandlerContract
-}
-
-func NewMainHandler(
-	app kernel.AppContract,
-	convertorHandler ConvertorHandlerContract,
-	menuHandler MenuHandlerContract,
-) *MainHandler {
-	return &MainHandler{
-		app:              app,
-		convertorHandler: convertorHandler,
-		menuHandler:      menuHandler,
-	}
-}
-
-func (h MainHandler) Start() {
-	if h.app.GetLocalizerService().IsStartWithLanguageSelection() {
-		h.menuHandler.LanguageSelection()
-		return
-	}
-
-	h.convertorHandler.MainConvertor()
-}
--- a/handler/menu.go
+++ b/handler/menu.go
@ -1,143 +0,0 @@
-package handler
-
-import (
-	"fyne.io/fyne/v2"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/localizer"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/menu"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/theme"
-)
-
-type MenuHandlerContract interface {
-	GetMainMenu() *fyne.MainMenu
-	LanguageSelection()
-}
-
-type MenuHandler struct {
-	app              kernel.AppContract
-	convertorHandler ConvertorHandlerContract
-	menuView         menu.ViewContract
-	menuViewSetting  menu.ViewSettingContract
-	localizerView    localizer.ViewContract
-	themeService     theme.ThemeContract
-}
-
-func NewMenuHandler(
-	app kernel.AppContract,
-	convertorHandler ConvertorHandlerContract,
-	menuView menu.ViewContract,
-	menuViewSetting menu.ViewSettingContract,
-	localizerView localizer.ViewContract,
-	themeService theme.ThemeContract,
-) *MenuHandler {
-	return &MenuHandler{
-		app:              app,
-		convertorHandler: convertorHandler,
-		menuView:         menuView,
-		menuViewSetting:  menuViewSetting,
-		localizerView:    localizerView,
-		themeService:     themeService,
-	}
-}
-
-func (h MenuHandler) GetMainMenu() *fyne.MainMenu {
-	settings := h.getMenuSettings()
-	help := h.getMenuHelp()
-
-	return fyne.NewMainMenu(settings, help)
-}
-
-func (h MenuHandler) getMenuSettings() *fyne.Menu {
-	quit := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("exit"), nil)
-	quit.IsQuit = true
-	h.app.GetLocalizerService().AddChangeCallback("exit", func(text string) {
-		quit.Label = text
-	})
-
-	settingsSelection := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("settings"), h.settingsSelection)
-	h.app.GetLocalizerService().AddChangeCallback("settings", func(text string) {
-		settingsSelection.Label = text
-	})
-
-	ffPathSelection := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("changeFFPath"), h.convertorHandler.FfPathSelection)
-	h.app.GetLocalizerService().AddChangeCallback("changeFFPath", func(text string) {
-		ffPathSelection.Label = text
-	})
-
-	settings := fyne.NewMenu(h.app.GetLocalizerService().GetMessage("settings"), settingsSelection, ffPathSelection, quit)
-	h.app.GetLocalizerService().AddChangeCallback("settings", func(text string) {
-		settings.Label = text
-		settings.Refresh()
-	})
-
-	return settings
-}
-
-func (h MenuHandler) getMenuHelp() *fyne.Menu {
-	about := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("about"), h.openAbout)
-	h.app.GetLocalizerService().AddChangeCallback("about", func(text string) {
-		about.Label = text
-	})
-
-	gratitude := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("gratitude"), h.menuView.Gratitude)
-	h.app.GetLocalizerService().AddChangeCallback("gratitude", func(text string) {
-		gratitude.Label = text
-	})
-
-	helpFFplay := fyne.NewMenuItem(h.app.GetLocalizerService().GetMessage("helpFFplay"), h.menuView.HelpFFplay)
-	h.app.GetLocalizerService().AddChangeCallback("helpFFplay", func(text string) {
-		helpFFplay.Label = text
-	})
-
-	help := fyne.NewMenu(h.app.GetLocalizerService().GetMessage("help"), helpFFplay, about, gratitude)
-	h.app.GetLocalizerService().AddChangeCallback("help", func(text string) {
-		help.Label = text
-		help.Refresh()
-	})
-
-	return help
-}
-
-func (h MenuHandler) openAbout() {
-	ffmpeg, err := h.convertorHandler.GetFfmpegVersion()
-	if err != nil {
-		ffmpeg = h.app.GetLocalizerService().GetMessage("errorFFmpegVersion")
-	}
-	ffprobe, err := h.convertorHandler.GetFfprobeVersion()
-	if err != nil {
-		ffprobe = h.app.GetLocalizerService().GetMessage("errorFFprobeVersion")
-	}
-	ffplay, err := h.convertorHandler.GetFfplayVersion()
-	if err != nil {
-		ffplay = h.app.GetLocalizerService().GetMessage("errorFFplayVersion")
-	}
-
-	h.menuView.About(ffmpeg, ffprobe, ffplay)
-}
-
-func (h MenuHandler) LanguageSelection() {
-	h.localizerView.LanguageSelection(func(lang kernel.Lang) {
-		h.convertorHandler.MainConvertor()
-	})
-}
-
-func (h MenuHandler) settingsSelection() {
-	save := func(setting *menu.SettingForm) error {
-		err := h.app.GetLocalizerService().SetCurrentLanguage(setting.Language, true)
-		if err != nil {
-			return err
-		}
-
-		err = h.themeService.SetCurrentTheme(setting.ThemeInfo)
-		if err != nil {
-			return err
-		}
-
-		h.convertorHandler.MainConvertor()
-		return nil
-	}
-	cancel := func() {
-		h.convertorHandler.MainConvertor()
-	}
-	h.menuViewSetting.Main(save, cancel)
-}
--- a/internal/application/app.go
+++ b/internal/application/app.go
@ -0,0 +1,137 @@
+package application
+
+import (
+	"fyne.io/fyne/v2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/convertor"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	"time"
+)
+
+type AppContract interface {
+	FyneApp() fyne.App
+	GetSetting() setting.SettingContract
+	GetProgressBarService() convertor.ProgressBarContract
+	GetFFmpegService() ffmpeg.UtilitiesContract
+	GetConvertorService() convertor.ConvertorContract
+	GetItemsToConvert() convertor.ItemsToConvertContract
+	GetQueueService() convertor.QueueListContract
+	Run()
+	AfterClosing()
+	RunConvertor()
+}
+
+type application struct {
+	fyneApp            fyne.App
+	setting            setting.SettingContract
+	progressBarService convertor.ProgressBarContract
+	ffmpegService      ffmpeg.UtilitiesContract
+	itemsToConvert     convertor.ItemsToConvertContract
+	queueService       convertor.QueueListContract
+	convertorService   convertor.ConvertorContract
+}
+
+func NewApp(
+	fyneApp fyne.App,
+	setting setting.SettingContract,
+	progressBarService convertor.ProgressBarContract,
+	ffmpegService ffmpeg.UtilitiesContract,
+	itemsToConvert convertor.ItemsToConvertContract,
+	queueService convertor.QueueListContract,
+	convertorService convertor.ConvertorContract,
+) AppContract {
+	return &application{
+		fyneApp:            fyneApp,
+		setting:            setting,
+		progressBarService: progressBarService,
+		ffmpegService:      ffmpegService,
+		itemsToConvert:     itemsToConvert,
+		queueService:       queueService,
+		convertorService:   convertorService,
+	}
+}
+
+func (a *application) FyneApp() fyne.App {
+	return a.fyneApp
+}
+
+func (a *application) GetSetting() setting.SettingContract {
+	return a.setting
+}
+
+func (a *application) GetProgressBarService() convertor.ProgressBarContract {
+	return a.progressBarService
+}
+
+func (a *application) GetFFmpegService() ffmpeg.UtilitiesContract {
+	return a.ffmpegService
+}
+
+func (a *application) GetItemsToConvert() convertor.ItemsToConvertContract {
+	return a.itemsToConvert
+}
+
+func (a *application) GetQueueService() convertor.QueueListContract {
+	return a.queueService
+}
+
+func (a *application) GetConvertorService() convertor.ConvertorContract {
+	return a.convertorService
+}
+
+func (a *application) Run() {
+	a.fyneApp.Run()
+}
+
+func (a *application) RunConvertor() {
+	go func() {
+		for {
+			time.Sleep(time.Millisecond * 3000)
+			queueId, queue := a.queueService.Next()
+			if queue == nil {
+				continue
+			}
+
+			queue.Status = convertor.StatusType(convertor.InProgress)
+			a.queueService.EventChangeQueue(queueId, queue)
+
+			if a.progressBarService.GetContainer().Hidden {
+				a.progressBarService.GetContainer().Show()
+			}
+
+			totalDuration := float64(0)
+			ffprobe, err := a.ffmpegService.GetFFprobe()
+			if err == nil {
+				totalDuration, err = ffprobe.GetTotalDuration(&queue.Setting.FileInput)
+				if err != nil {
+					totalDuration = float64(0)
+				}
+			}
+
+			progress := a.progressBarService.GetProgressbar(
+				totalDuration,
+				queue.Setting.FileInput.Path,
+			)
+
+			err = a.convertorService.RunConvert(*queue.Setting, progress)
+			if err != nil {
+				queue.Status = convertor.StatusType(convertor.Error)
+				queue.Error = err
+				a.queueService.EventChangeQueue(queueId, queue)
+				a.progressBarService.ProcessEndedWithError(err.Error())
+
+				continue
+			}
+
+			queue.Status = convertor.StatusType(convertor.Completed)
+			a.queueService.EventChangeQueue(queueId, queue)
+			a.progressBarService.ProcessEndedWithSuccess(&queue.Setting.FileOut)
+		}
+	}()
+}
+
+func (a *application) AfterClosing() {
+	for _, cmd := range a.convertorService.GetRunningProcesses() {
+		_ = cmd.Process.Kill()
+	}
+}
--- a/internal/application/convertor/convertor.go
+++ b/internal/application/convertor/convertor.go
@ -0,0 +1,87 @@
+package convertor
+
+import (
+	"bufio"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/convertor/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	"io"
+	"os/exec"
+	"strings"
+)
+
+type ConvertorContract interface {
+	RunConvert(setting ffmpeg.ConvertSetting, progress ffmpeg.ProgressContract) error
+	GetSupportFormats() (encoder.ConvertorFormatsContract, error)
+	GetRunningProcesses() map[int]*exec.Cmd
+}
+
+type runningProcesses struct {
+	items          map[int]*exec.Cmd
+	numberOfStarts int
+}
+
+type convertor struct {
+	ffmpegService    ffmpeg.UtilitiesContract
+	runningProcesses *runningProcesses
+}
+
+func NewConvertor(
+	ffmpegService ffmpeg.UtilitiesContract,
+) ConvertorContract {
+	return &convertor{
+		ffmpegService:    ffmpegService,
+		runningProcesses: &runningProcesses{items: map[int]*exec.Cmd{}, numberOfStarts: 0},
+	}
+}
+
+func (c *convertor) RunConvert(setting ffmpeg.ConvertSetting, progress ffmpeg.ProgressContract) error {
+	ffmpegService, err := c.ffmpegService.GetFFmpeg()
+	if err != nil {
+		return err
+	}
+
+	index := c.runningProcesses.numberOfStarts
+	beforeWait := func(cmd *exec.Cmd) {
+		c.runningProcesses.numberOfStarts++
+		c.runningProcesses.items[index] = cmd
+	}
+
+	afterWait := func(cmd *exec.Cmd) {
+		delete(c.runningProcesses.items, index)
+	}
+
+	return ffmpegService.RunConvert(setting, progress, beforeWait, afterWait)
+}
+
+func (c *convertor) GetSupportFormats() (encoder.ConvertorFormatsContract, error) {
+	var err error
+
+	formats := encoder.NewConvertorFormats()
+	ffmpeg, err := c.ffmpegService.GetFFmpeg()
+	if err != nil {
+		return formats, err
+	}
+	err = ffmpeg.GetEncoders(func(scanner *bufio.Reader) {
+		for {
+			line, _, err := scanner.ReadLine()
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				continue
+			}
+			text := strings.Split(strings.TrimSpace(string(line)), " ")
+			encoderType := string(text[0][0])
+			if len(text) < 2 || (encoderType != "V" && encoderType != "A") {
+				continue
+			}
+			formats.NewEncoder(text[1])
+		}
+	})
+
+	return formats, err
+}
+
+func (c *convertor) GetRunningProcesses() map[int]*exec.Cmd {
+	return c.runningProcesses.items
+}
--- a/internal/application/convertor/encoder/encoder.go
+++ b/internal/application/convertor/encoder/encoder.go
@ -2,7 +2,7 @@ package encoder

 import (
 	"errors"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
 )

 type ConvertorFormatContract interface {
@ -18,7 +18,7 @@ type ConvertorFormat struct {
 	encoders map[int]encoder.EncoderDataContract
 }

-func NewConvertorFormat(title string, fileType encoder.FileTypeContract) *ConvertorFormat {
+func NewConvertorFormat(title string, fileType encoder.FileTypeContract) ConvertorFormatContract {
 	return &ConvertorFormat{
 		title:    title,
 		fileType: fileType,
@ -26,19 +26,19 @@ func NewConvertorFormat(title string, fileType encoder.FileTypeContract) *Conver
 	}
 }

-func (f ConvertorFormat) GetTitle() string {
+func (f *ConvertorFormat) GetTitle() string {
 	return f.title
 }

-func (f ConvertorFormat) AddEncoder(encoder encoder.EncoderDataContract) {
+func (f *ConvertorFormat) AddEncoder(encoder encoder.EncoderDataContract) {
 	f.encoders[len(f.encoders)] = encoder
 }

-func (f ConvertorFormat) GetEncoders() map[int]encoder.EncoderDataContract {
+func (f *ConvertorFormat) GetEncoders() map[int]encoder.EncoderDataContract {
 	return f.encoders
 }

-func (f ConvertorFormat) GetFileType() encoder.FileTypeContract {
+func (f *ConvertorFormat) GetFileType() encoder.FileTypeContract {
 	return f.fileType
 }

@ -52,13 +52,13 @@ type ConvertorFormats struct {
 	formats map[string]ConvertorFormatContract
 }

-func NewConvertorFormats() *ConvertorFormats {
+func NewConvertorFormats() ConvertorFormatsContract {
 	return &ConvertorFormats{
 		formats: map[string]ConvertorFormatContract{},
 	}
 }

-func (f ConvertorFormats) NewEncoder(encoderName string) bool {
+func (f *ConvertorFormats) NewEncoder(encoderName string) bool {
 	if supportEncoders[encoderName] == nil {
 		return false
 	}
@ -72,13 +72,13 @@ func (f ConvertorFormats) NewEncoder(encoderName string) bool {
 	return true
 }

-func (f ConvertorFormats) GetFormats() map[string]ConvertorFormatContract {
+func (f *ConvertorFormats) GetFormats() map[string]ConvertorFormatContract {
 	return f.formats
 }

-func (f ConvertorFormats) GetFormat(format string) (ConvertorFormatContract, error) {
+func (f *ConvertorFormats) GetFormat(format string) (ConvertorFormatContract, error) {
 	if f.formats[format] == nil {
-		return ConvertorFormat{}, errors.New("not found ConvertorFormat")
+		return &ConvertorFormat{}, errors.New("not found ConvertorFormat")
 	}
 	return f.formats[format], nil
 }
--- a/internal/application/convertor/encoder/encoders.go
+++ b/internal/application/convertor/encoder/encoders.go
@ -0,0 +1,74 @@
+package encoder
+
+import (
+	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/apng"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/bmp"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/flv"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/gif"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/h264_nvenc"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libmp3lame"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libshine"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libtwolame"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libvpx"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libvpx_vp9"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libwebp"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libwebp_anim"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libx264"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libx265"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libxvid"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mjpeg"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mp2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mp2fixed"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mpeg1video"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mpeg2video"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/mpeg4"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/msmpeg4"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/msmpeg4v2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/msvideo1"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/png"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/qtrle"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/sgi"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/tiff"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/wmav1"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/wmav2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/wmv1"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/wmv2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/xbm"
+)
+
+var supportEncoders = map[string]func() encoder2.EncoderDataContract{
+	"libx264":      libx264.NewData,
+	"h264_nvenc":   h264_nvenc.NewData,
+	"libx265":      libx265.NewData,
+	"png":          png.NewData,
+	"gif":          gif.NewData,
+	"flv":          flv.NewData,
+	"apng":         apng.NewData,
+	"bmp":          bmp.NewData,
+	"mjpeg":        mjpeg.NewData,
+	"mpeg1video":   mpeg1video.NewData,
+	"mpeg2video":   mpeg2video.NewData,
+	"mpeg4":        mpeg4.NewData,
+	"libxvid":      libxvid.NewData,
+	"msmpeg4v2":    msmpeg4v2.NewData,
+	"msmpeg4":      msmpeg4.NewData,
+	"msvideo1":     msvideo1.NewData,
+	"qtrle":        qtrle.NewData,
+	"tiff":         tiff.NewData,
+	"sgi":          sgi.NewData,
+	"libvpx":       libvpx.NewData,
+	"libvpx-vp9":   libvpx_vp9.NewData,
+	"libwebp_anim": libwebp_anim.NewData,
+	"libwebp":      libwebp.NewData,
+	"wmv1":         wmv1.NewData,
+	"wmv2":         wmv2.NewData,
+	"xbm":          xbm.NewData,
+	"mp2":          mp2.NewData,
+	"mp2fixed":     mp2fixed.NewData,
+	"libtwolame":   libtwolame.NewData,
+	"libmp3lame":   libmp3lame.NewData,
+	"libshine":     libshine.NewData,
+	"wmav1":        wmav1.NewData,
+	"wmav2":        wmav2.NewData,
+}
--- a/internal/application/convertor/items_to_convert.go
+++ b/internal/application/convertor/items_to_convert.go
@ -0,0 +1,139 @@
+package convertor
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/theme"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+)
+
+type ItemsToConvertContract interface {
+	Add(file *ffmpeg.File)
+	Clear()
+	GetItems() map[int]ItemToConvertContract
+	GetItemsContainer() *fyne.Container
+	AfterAddingQueue()
+	GetIsAutoRemove() bool
+	SetIsAutoRemove(isAutoRemove bool)
+}
+
+type itemsToConvert struct {
+	ffmpeg         ffmpeg.UtilitiesContract
+	nextId         int
+	items          map[int]ItemToConvertContract
+	itemsContainer *fyne.Container
+	isAutoRemove   bool
+}
+
+func NewItemsToConvert(ffmpeg ffmpeg.UtilitiesContract) ItemsToConvertContract {
+	return &itemsToConvert{
+		ffmpeg:         ffmpeg,
+		nextId:         0,
+		items:          map[int]ItemToConvertContract{},
+		itemsContainer: container.NewVBox(),
+		isAutoRemove:   true,
+	}
+}
+
+func (items *itemsToConvert) GetItemsContainer() *fyne.Container {
+	return items.itemsContainer
+}
+
+func (items *itemsToConvert) Add(file *ffmpeg.File) {
+	nextId := items.nextId
+	var content *fyne.Container
+	var buttonPlay *widget.Button
+
+	buttonPlay = widget.NewButtonWithIcon("", theme.Icon(theme.IconNameMediaPlay), func() {
+		buttonPlay.Disable()
+		go func() {
+			ffplay, err := items.ffmpeg.GetFFplay()
+			if err != nil {
+				fyne.Do(func() {
+					buttonPlay.Enable()
+				})
+				return
+			}
+
+			_ = ffplay.Play(file)
+			fyne.Do(func() {
+				buttonPlay.Enable()
+			})
+		}()
+	})
+
+	buttonRemove := widget.NewButtonWithIcon("", theme.Icon(theme.IconNameDelete), func() {
+		items.itemsContainer.Remove(content)
+		items.itemsContainer.Refresh()
+		delete(items.items, nextId)
+	})
+	buttonRemove.Importance = widget.DangerImportance
+
+	content = container.NewVBox(
+		container.NewBorder(
+			nil,
+			nil,
+			buttonPlay,
+			buttonRemove,
+			container.NewHScroll(widget.NewLabel(file.Name)),
+		),
+		container.NewHScroll(widget.NewLabel(file.Path)),
+		container.NewPadded(),
+		canvas.NewLine(theme.Color(theme.ColorNameFocus)),
+		container.NewPadded(),
+	)
+
+	items.itemsContainer.Add(content)
+	items.items[nextId] = newItemToConvert(file, content)
+	items.nextId++
+}
+
+func (items *itemsToConvert) GetIsAutoRemove() bool {
+	return items.isAutoRemove
+}
+
+func (items *itemsToConvert) SetIsAutoRemove(isAutoRemove bool) {
+	items.isAutoRemove = isAutoRemove
+}
+
+func (items *itemsToConvert) GetItems() map[int]ItemToConvertContract {
+	return items.items
+}
+
+func (items *itemsToConvert) AfterAddingQueue() {
+	if items.isAutoRemove {
+		items.Clear()
+	}
+}
+
+func (items *itemsToConvert) Clear() {
+	items.itemsContainer.RemoveAll()
+	items.items = map[int]ItemToConvertContract{}
+}
+
+type ItemToConvertContract interface {
+	GetFile() *ffmpeg.File
+	GetContent() *fyne.Container
+}
+
+type itemToConvert struct {
+	file    *ffmpeg.File
+	content *fyne.Container
+}
+
+func newItemToConvert(file *ffmpeg.File, content *fyne.Container) ItemToConvertContract {
+	return &itemToConvert{
+		file:    file,
+		content: content,
+	}
+}
+
+func (item *itemToConvert) GetFile() *ffmpeg.File {
+	return item.file
+}
+
+func (item *itemToConvert) GetContent() *fyne.Container {
+	return item.content
+}
--- a/internal/application/convertor/progressbar.go
+++ b/internal/application/convertor/progressbar.go
@ -0,0 +1,217 @@
+package convertor
+
+import (
+	"bufio"
+	"errors"
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/theme"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	"image/color"
+	"io"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type ProgressBarContract interface {
+	GetContainer() *fyne.Container
+	GetProgressbar(totalDuration float64, filePath string) ffmpeg.ProgressContract
+	ProcessEndedWithError(errorText string)
+	ProcessEndedWithSuccess(file *ffmpeg.File)
+}
+
+type progressBar struct {
+	container     *fyne.Container
+	label         *widget.Label
+	progressbar   *widget.ProgressBar
+	errorBlock    *container.Scroll
+	messageError  *canvas.Text
+	statusMessage *canvas.Text
+	buttonPlay    *widget.Button
+	ffmpegService ffmpeg.UtilitiesContract
+}
+
+func NewProgressBar(ffmpegService ffmpeg.UtilitiesContract) ProgressBarContract {
+	label := widget.NewLabel("")
+	progressbar := widget.NewProgressBar()
+
+	statusMessage := canvas.NewText("", theme.Color(theme.ColorNamePrimary))
+	messageError := canvas.NewText("", theme.Color(theme.ColorNameError))
+	buttonPlay := widget.NewButtonWithIcon("", theme.Icon(theme.IconNameMediaPlay), func() {
+
+	})
+	buttonPlay.Hide()
+
+	errorBlock := container.NewHScroll(messageError)
+	errorBlock.Hide()
+
+	content := container.NewVBox(
+		container.NewHScroll(label),
+		progressbar,
+		container.NewHScroll(container.NewHBox(
+			buttonPlay,
+			statusMessage,
+		)),
+		errorBlock,
+	)
+	content.Hide()
+
+	return &progressBar{
+		container:     content,
+		label:         label,
+		progressbar:   progressbar,
+		errorBlock:    errorBlock,
+		messageError:  messageError,
+		statusMessage: statusMessage,
+		buttonPlay:    buttonPlay,
+		ffmpegService: ffmpegService,
+	}
+}
+
+func (p *progressBar) GetContainer() *fyne.Container {
+	return p.container
+}
+
+func (p *progressBar) GetProgressbar(totalDuration float64, filePath string) ffmpeg.ProgressContract {
+	p.label.Text = filePath
+	p.statusMessage.Color = theme.Color(theme.ColorNamePrimary)
+	p.statusMessage.Text = lang.L("inProgressQueue")
+	p.messageError.Text = ""
+	fyne.Do(func() {
+		p.buttonPlay.Hide()
+		if p.errorBlock.Visible() {
+			p.errorBlock.Hide()
+		}
+		p.statusMessage.Refresh()
+		p.container.Refresh()
+		p.errorBlock.Refresh()
+	})
+
+	p.progressbar.Value = 0
+	return NewProgress(totalDuration, p.progressbar)
+}
+
+func (p *progressBar) ProcessEndedWithError(errorText string) {
+	fyne.Do(func() {
+		p.statusMessage.Color = theme.Color(theme.ColorNameError)
+		p.statusMessage.Text = lang.L("errorQueue")
+		p.messageError.Text = errorText
+		p.errorBlock.Show()
+	})
+}
+
+func (p *progressBar) ProcessEndedWithSuccess(file *ffmpeg.File) {
+	fyne.Do(func() {
+		p.statusMessage.Color = color.RGBA{R: 49, G: 127, B: 114, A: 255}
+		p.statusMessage.Text = lang.L("completedQueue")
+		p.buttonPlay.Show()
+		p.buttonPlay.OnTapped = func() {
+			p.buttonPlay.Disable()
+			go func() {
+				ffplay, err := p.ffmpegService.GetFFplay()
+				if err == nil {
+					_ = ffplay.Play(file)
+				}
+
+				fyne.Do(func() {
+					p.buttonPlay.Enable()
+				})
+			}()
+		}
+	})
+}
+
+type Progress struct {
+	totalDuration float64
+	progressbar   *widget.ProgressBar
+	protocol      string
+}
+
+func NewProgress(totalDuration float64, progressbar *widget.ProgressBar) ffmpeg.ProgressContract {
+	return &Progress{
+		totalDuration: totalDuration,
+		progressbar:   progressbar,
+		protocol:      "pipe:",
+	}
+}
+
+func (p *Progress) GetProtocole() string {
+	return p.protocol
+}
+
+func (p *Progress) Run(stdOut io.ReadCloser, stdErr io.ReadCloser) error {
+	isProcessCompleted := false
+	var errorText string
+
+	p.progressbar.Value = 0
+	p.progressbar.Max = p.totalDuration
+	fyne.Do(func() {
+		p.progressbar.Refresh()
+	})
+	progress := 0.0
+
+	go func() {
+		scannerErr := bufio.NewReader(stdErr)
+		for {
+			line, _, err := scannerErr.ReadLine()
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				continue
+			}
+			data := strings.TrimSpace(string(line))
+			errorText = data
+		}
+	}()
+
+	scannerOut := bufio.NewReader(stdOut)
+	for {
+		line, _, err := scannerOut.ReadLine()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			continue
+		}
+		data := strings.TrimSpace(string(line))
+		if strings.Contains(data, "progress=end") {
+			p.progressbar.Value = p.totalDuration
+			fyne.Do(func() {
+				p.progressbar.Refresh()
+			})
+			isProcessCompleted = true
+			break
+		}
+
+		re := regexp.MustCompile(`frame=(\d+)`)
+		a := re.FindAllStringSubmatch(data, -1)
+
+		if len(a) > 0 && len(a[len(a)-1]) > 0 {
+			c, err := strconv.Atoi(a[len(a)-1][len(a[len(a)-1])-1])
+			if err != nil {
+				continue
+			}
+			progress = float64(c)
+		}
+		if p.progressbar.Value != progress {
+			p.progressbar.Value = progress
+			fyne.Do(func() {
+				p.progressbar.Refresh()
+			})
+		}
+	}
+
+	if isProcessCompleted == false {
+		if len(errorText) == 0 {
+			errorText = lang.L("errorConverter")
+		}
+		return errors.New(errorText)
+	}
+
+	return nil
+}
--- a/internal/application/convertor/queue.go
+++ b/internal/application/convertor/queue.go
@ -0,0 +1,152 @@
+package convertor
+
+import (
+	"errors"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+)
+
+type Queue struct {
+	Setting *ffmpeg.ConvertSetting
+	Status  StatusContract
+	Error   error
+}
+
+type StatusContract interface {
+	Name() string
+	Ordinal() int
+}
+
+const (
+	Waiting = iota
+	InProgress
+	Completed
+	Error
+)
+
+type StatusType uint
+
+var statusTypeStrings = []string{
+	"waiting",
+	"inProgress",
+	"completed",
+	"error",
+}
+
+func (status StatusType) Name() string {
+	return statusTypeStrings[status]
+}
+
+func (status StatusType) Ordinal() int {
+	return int(status)
+}
+
+type QueueListenerContract interface {
+	AddQueue(key int, queue *Queue)
+	ChangeQueue(key int, queue *Queue)
+	RemoveQueue(key int, status StatusContract)
+}
+
+type QueueListContract interface {
+	AddListener(queueListener QueueListenerContract)
+	GetItems() map[int]*Queue
+	Add(setting *ffmpeg.ConvertSetting)
+	EventChangeQueue(key int, queue *Queue)
+	Remove(key int)
+	GetItem(key int) (*Queue, error)
+	Next() (key int, queue *Queue)
+}
+
+type queueList struct {
+	currentKey    int
+	items         map[int]*Queue
+	queue         map[int]int
+	queueListener map[int]QueueListenerContract
+}
+
+func NewQueueList() QueueListContract {
+	return &queueList{
+		currentKey:    0,
+		items:         map[int]*Queue{},
+		queue:         map[int]int{},
+		queueListener: map[int]QueueListenerContract{},
+	}
+}
+
+func (l *queueList) GetItems() map[int]*Queue {
+	return l.items
+}
+
+func (l *queueList) Add(setting *ffmpeg.ConvertSetting) {
+	queue := Queue{
+		Setting: setting,
+		Status:  StatusType(Waiting),
+	}
+
+	l.currentKey += 1
+	l.items[l.currentKey] = &queue
+	l.queue[l.currentKey] = l.currentKey
+
+	l.eventAdd(l.currentKey, &queue)
+}
+
+func (l *queueList) EventChangeQueue(key int, queue *Queue) {
+	l.eventChange(key, queue)
+}
+
+func (l *queueList) Remove(key int) {
+	if _, ok := l.queue[key]; ok {
+		delete(l.queue, key)
+	}
+
+	if _, ok := l.items[key]; ok {
+		status := l.items[key].Status
+		l.eventRemove(key, status)
+		delete(l.items, key)
+	}
+}
+
+func (l *queueList) GetItem(key int) (*Queue, error) {
+	if item, ok := l.items[key]; ok {
+		return item, nil
+	}
+
+	return nil, errors.New("key not found")
+}
+
+func (l *queueList) AddListener(queueListener QueueListenerContract) {
+	l.queueListener[len(l.queueListener)] = queueListener
+}
+
+func (l *queueList) Next() (key int, queue *Queue) {
+	statusWaiting := StatusType(Waiting)
+	for key, queueId := range l.queue {
+		if queue, ok := l.items[queueId]; ok {
+			if queue.Status == statusWaiting {
+				return queueId, queue
+			}
+		}
+
+		if _, ok := l.queue[key]; ok {
+			delete(l.queue, key)
+		}
+	}
+	return -1, nil
+}
+
+func (l *queueList) eventAdd(key int, queue *Queue) {
+	for _, listener := range l.queueListener {
+		listener.AddQueue(key, queue)
+	}
+}
+
+func (l *queueList) eventChange(key int, queue *Queue) {
+	for _, listener := range l.queueListener {
+		listener.ChangeQueue(key, queue)
+	}
+}
+
+func (l *queueList) eventRemove(key int, status StatusContract) {
+	for _, listener := range l.queueListener {
+		listener.RemoveQueue(key, status)
+	}
+}
--- a/internal/application/setting/ffmpeg.go
+++ b/internal/application/setting/ffmpeg.go
@ -0,0 +1,40 @@
+package setting
+
+func (s *setting) GetFFmpegPath() string {
+	path := s.fyneApp.Preferences().String("ffmpegPath")
+	if path == "" {
+		return "ffmpeg"
+	}
+
+	return path
+}
+
+func (s *setting) SetFFmpegPath(path string) {
+	s.fyneApp.Preferences().SetString("ffmpegPath", path)
+}
+
+func (s *setting) GetFFprobePath() string {
+	path := s.fyneApp.Preferences().String("ffprobePath")
+	if path == "" {
+		return "ffprobe"
+	}
+
+	return path
+}
+
+func (s *setting) SetFFprobePath(path string) {
+	s.fyneApp.Preferences().SetString("ffprobePath", path)
+}
+
+func (s *setting) GetFFplayPath() string {
+	path := s.fyneApp.Preferences().String("ffplayPath")
+	if path == "" {
+		return "ffplay"
+	}
+
+	return path
+}
+
+func (s *setting) SetFFplayPath(path string) {
+	s.fyneApp.Preferences().SetString("ffplayPath", path)
+}
--- a/internal/application/setting/lang.go
+++ b/internal/application/setting/lang.go
@ -0,0 +1,66 @@
+package setting
+
+import (
+	"encoding/json"
+	"fyne.io/fyne/v2"
+	fyneLang "fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/resources"
+)
+
+var supportedLanguages = map[string]Lang{
+	"ru": {Code: "ru", Title: "Русский"},
+	"kk": {Code: "kk", Title: "Қазақ Тілі"},
+	"en": {Code: "en", Title: "English"},
+}
+
+type Lang struct {
+	Code  string
+	Title string
+}
+
+func ChangeLang(lang Lang) error {
+	translationsData, err := getTranslations(lang)
+	if err != nil {
+		return err
+	}
+
+	name := fyneLang.SystemLocale().LanguageString()
+	return fyneLang.AddTranslations(fyne.NewStaticResource(name+".json", translationsData))
+}
+
+func defaultLang() Lang {
+	return supportedLanguages["ru"]
+}
+
+func getTranslations(language Lang) ([]byte, error) {
+	translations := resources.GetTranslations()
+
+	baseJson, err := translations.ReadFile("translations/base." + language.Code + ".json")
+	if err != nil {
+		return nil, err
+	}
+	appJson, err := translations.ReadFile("translations/app." + language.Code + ".json")
+	if err != nil {
+		return nil, err
+	}
+
+	return mergeTranslations(baseJson, appJson)
+}
+
+func mergeTranslations(baseJson []byte, appJson []byte) ([]byte, error) {
+	base := map[string]interface{}{}
+	custom := map[string]interface{}{}
+	err := json.Unmarshal(baseJson, &base)
+	if err != nil {
+		return nil, err
+	}
+	err = json.Unmarshal(appJson, &custom)
+	if err != nil {
+		return nil, err
+	}
+
+	for k, v := range custom {
+		base[k] = v
+	}
+	return json.Marshal(base)
+}
--- a/internal/application/setting/setting.go
+++ b/internal/application/setting/setting.go
@ -0,0 +1,84 @@
+package setting
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+	"golang.org/x/text/language"
+)
+
+type SettingContract interface {
+	GetLanguages() []Lang
+	GetCurrentLangOrDefaultLang() (currentLang Lang, isDefault bool)
+	SetLang(language Lang) error
+
+	GetDirectoryForSaving() string
+	SetDirectoryForSaving(path string)
+
+	GetFFmpegPath() string
+	SetFFmpegPath(path string)
+
+	GetFFprobePath() string
+	SetFFprobePath(path string)
+
+	GetFFplayPath() string
+	SetFFplayPath(path string)
+
+	ThemeInit()
+	GetThemes() map[string]ThemeInfoContract
+	GetTheme() ThemeInfoContract
+	SetTheme(themeInfo ThemeInfoContract)
+}
+
+type setting struct {
+	fyneApp fyne.App
+}
+
+func NewSetting(fyneApp fyne.App) SettingContract {
+	return &setting{
+		fyneApp: fyneApp,
+	}
+}
+
+func (s *setting) GetLanguages() []Lang {
+	items := []Lang{}
+	for _, item := range supportedLanguages {
+		items = append(items, item)
+	}
+	return items
+}
+
+func (s *setting) GetCurrentLangOrDefaultLang() (currentLang Lang, isDefault bool) {
+	languageCode := s.fyneApp.Preferences().String("language")
+
+	if languageCode == "" {
+		languageTag, err := language.Parse(lang.SystemLocale().LanguageString())
+		if err != nil {
+			return currentLang, true
+		}
+		base, _ := languageTag.Base()
+		languageCode = base.String()
+	}
+
+	if currentLang, ok := supportedLanguages[languageCode]; ok {
+		return currentLang, false
+	}
+
+	return defaultLang(), true
+}
+
+func (s *setting) SetLang(language Lang) error {
+	err := ChangeLang(language)
+	if err != nil {
+		return err
+	}
+	s.fyneApp.Preferences().SetString("language", language.Code)
+	return nil
+}
+
+func (s *setting) GetDirectoryForSaving() string {
+	return s.fyneApp.Preferences().String("directoryForSaving")
+}
+
+func (s *setting) SetDirectoryForSaving(path string) {
+	s.fyneApp.Preferences().SetString("directoryForSaving", path)
+}
--- a/internal/application/setting/theme.go
+++ b/internal/application/setting/theme.go
@ -0,0 +1,110 @@
+package setting
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/theme"
+	"image/color"
+)
+
+func (s *setting) GetTheme() ThemeInfoContract {
+	name := s.fyneApp.Preferences().String("theme")
+	if name != "" {
+		if _, ok := s.GetThemes()[name]; ok {
+			return s.GetThemes()[name]
+		}
+	}
+
+	return s.GetThemes()["default"]
+}
+
+func (s *setting) SetTheme(themeInfo ThemeInfoContract) {
+	s.fyneApp.Preferences().SetString("theme", themeInfo.GetName())
+
+	if themeInfo.GetName() == "default" {
+		s.fyneApp.Settings().SetTheme(theme.DefaultTheme())
+		return
+	}
+	s.fyneApp.Settings().SetTheme(&forcedVariant{theme: theme.DefaultTheme(), variant: themeInfo.GetVariant()})
+}
+
+func (s *setting) ThemeInit() {
+	themeInfo := s.GetTheme()
+	if themeInfo.GetName() == "default" {
+		s.fyneApp.Settings().SetTheme(theme.DefaultTheme())
+		return
+	}
+	s.fyneApp.Settings().SetTheme(&forcedVariant{theme: theme.DefaultTheme(), variant: themeInfo.GetVariant()})
+}
+
+func (s *setting) GetThemes() map[string]ThemeInfoContract {
+	themesNameDefault := &themeInfo{
+		name:  "default",
+		title: lang.L("themesNameDefault"),
+	}
+
+	themesNameLight := &themeInfo{
+		name:    "light",
+		title:   lang.L("themesNameLight"),
+		variant: theme.VariantLight,
+	}
+
+	themesNameDark := &themeInfo{
+		name:    "dark",
+		title:   lang.L("themesNameDark"),
+		variant: theme.VariantDark,
+	}
+
+	list := map[string]ThemeInfoContract{
+		"default": themesNameDefault,
+		"light":   themesNameLight,
+		"dark":    themesNameDark,
+	}
+
+	return list
+}
+
+type ThemeInfoContract interface {
+	GetName() string
+	GetTitle() string
+	GetVariant() fyne.ThemeVariant
+}
+
+type themeInfo struct {
+	name    string
+	title   string
+	variant fyne.ThemeVariant
+}
+
+func (inf *themeInfo) GetName() string {
+	return inf.name
+}
+
+func (inf *themeInfo) GetTitle() string {
+	return inf.title
+}
+
+func (inf *themeInfo) GetVariant() fyne.ThemeVariant {
+	return inf.variant
+}
+
+type forcedVariant struct {
+	theme   fyne.Theme
+	variant fyne.ThemeVariant
+}
+
+func (f *forcedVariant) Color(name fyne.ThemeColorName, _ fyne.ThemeVariant) color.Color {
+	return f.theme.Color(name, f.variant)
+}
+
+func (f *forcedVariant) Font(style fyne.TextStyle) fyne.Resource {
+	return theme.DefaultTheme().Font(style)
+}
+
+func (f *forcedVariant) Icon(name fyne.ThemeIconName) fyne.Resource {
+	return theme.DefaultTheme().Icon(name)
+}
+
+func (f *forcedVariant) Size(name fyne.ThemeSizeName) float32 {
+	return theme.DefaultTheme().Size(name)
+}
--- a/internal/controller/convertor.go
+++ b/internal/controller/convertor.go
@ -0,0 +1,111 @@
+package controller
+
+import (
+	"errors"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/download/service"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+)
+
+func (c *controller) convertor() {
+	formats, err := c.app.GetConvertorService().GetSupportFormats()
+	if err != nil {
+		c.startWithError(err)
+		return
+	}
+
+	content := view.Convertor(
+		c.window,
+		c.addFileForConversion,
+		c.app.GetSetting().GetDirectoryForSaving(),
+		c.setDirectoryForSaving,
+		formats,
+		c.addToConversion,
+	)
+	c.window.SetContent(content)
+}
+
+func (c *controller) addFileForConversion(file ffmpeg.File) {
+	c.app.GetItemsToConvert().Add(&file)
+	c.window.GetLayout().GetRContainer().SelectAddedFilesTab()
+}
+
+func (c *controller) setDirectoryForSaving(path string) {
+	c.app.GetSetting().SetDirectoryForSaving(path)
+}
+
+func (c *controller) addToConversion(convertSetting view.ConvertSetting) error {
+	if len(c.app.GetItemsToConvert().GetItems()) == 0 {
+		return errors.New(lang.L("errorNoFilesAddedForConversion"))
+	}
+	c.window.GetLayout().GetRContainer().SelectFileQueueTab()
+	for _, item := range c.app.GetItemsToConvert().GetItems() {
+		file := item.GetFile()
+		if file == nil {
+			continue
+		}
+
+		c.app.GetQueueService().Add(&ffmpeg.ConvertSetting{
+			FileInput: *file,
+			FileOut: ffmpeg.File{
+				Path: convertSetting.DirectoryForSave + utils.PathSeparator() + file.Name + "." + convertSetting.Format,
+				Name: file.Name,
+				Ext:  "." + convertSetting.Format,
+			},
+			OverwriteOutputFiles: convertSetting.OverwriteOutputFiles,
+			Encoder:              convertSetting.Encoder,
+		})
+	}
+	c.app.GetItemsToConvert().AfterAddingQueue()
+
+	return nil
+}
+
+func (c *controller) settingConvertor(isAllowCancellation bool) {
+	ffmpegPath := c.app.GetFFmpegService().GetFFmpegPath()
+	ffprobePath := c.app.GetFFmpegService().GetFFprobePath()
+	ffplayPath := c.app.GetFFmpegService().GetFFplayPath()
+
+	var cancel func()
+	cancel = nil
+	if isAllowCancellation {
+		cancel = func() {
+			c.convertor()
+		}
+	}
+
+	content := view.ConfiguringFFmpegUtilities(
+		c.window,
+		ffmpegPath,
+		ffprobePath,
+		ffplayPath,
+		c.saveSettingConvertor,
+		cancel,
+		service.DownloadFFmpeg(c.app, c.saveSettingConvertor),
+	)
+	c.window.SetContent(content)
+}
+
+func (c *controller) saveSettingConvertor(ffmpegPath string, ffprobePath string, ffplayPath string) error {
+	var err error
+
+	err = c.app.GetFFmpegService().ChangeFFmpeg(ffmpegPath)
+	if err != nil {
+		return err
+	}
+
+	c.app.GetFFmpegService().ChangeFFprobe(ffprobePath)
+	if err != nil {
+		return err
+	}
+
+	c.app.GetFFmpegService().ChangeFFplay(ffplayPath)
+	if err != nil {
+		return err
+	}
+
+	c.convertor()
+	return nil
+}
--- a/internal/controller/error.go
+++ b/internal/controller/error.go
@ -0,0 +1,16 @@
+package controller
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view"
+)
+
+func (c *controller) startWithError(err error) {
+	languages := c.app.GetSetting().GetLanguages()
+
+	content := view.StartWithError(err, languages, func(lang setting.Lang) {
+		_ = setting.ChangeLang(lang)
+		c.startWithError(err)
+	})
+	c.window.SetContent(content)
+}
--- a/internal/controller/main.go
+++ b/internal/controller/main.go
@ -0,0 +1,96 @@
+package controller
+
+import (
+	"fyne.io/fyne/v2"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/menu"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/window"
+)
+
+type ControllerContract interface {
+	Start()
+}
+
+type controller struct {
+	app    application.AppContract
+	window window.WindowContract
+}
+
+func NewController(app application.AppContract) ControllerContract {
+	fyneWindow := app.FyneApp().NewWindow(app.FyneApp().Metadata().Name)
+	fyneWindow.SetMaster()
+	queueLayout := window.NewQueueLayout(app.GetFFmpegService())
+	app.GetQueueService().AddListener(queueLayout)
+
+	return &controller{
+		app: app,
+		window: window.NewMainWindow(
+			fyneWindow,
+			app.GetProgressBarService(),
+			app.GetItemsToConvert(),
+			queueLayout,
+		),
+	}
+}
+
+func (c *controller) Start() {
+	isDefault, err := c.initLanguage()
+	if err != nil {
+		c.startWithError(err)
+		c.window.Show()
+		return
+	}
+
+	c.app.GetSetting().ThemeInit()
+
+	if isDefault {
+		languages := c.app.GetSetting().GetLanguages()
+		content := view.StartWithoutSupportLang(languages, func(lang setting.Lang) {
+			err = c.app.GetSetting().SetLang(lang)
+			if err != nil {
+				c.startWithError(err)
+				return
+			}
+			c.initLayout()
+			c.verificareaFFmpeg()
+		})
+		c.window.SetContent(content)
+		c.window.Show()
+		return
+	}
+
+	c.initLayout()
+	c.verificareaFFmpeg()
+	c.window.Show()
+}
+
+func (c *controller) verificareaFFmpeg() {
+	if !c.app.GetFFmpegService().UtilityCheck() {
+		c.settingConvertor(false)
+		return
+	}
+
+	c.convertor()
+}
+
+func (c *controller) initLanguage() (isDefault bool, err error) {
+	lang, isDefault := c.app.GetSetting().GetCurrentLangOrDefaultLang()
+	err = setting.ChangeLang(lang)
+	return isDefault, err
+}
+
+func (c *controller) initLayout() {
+	c.window.SetMainMenu(fyne.NewMainMenu(
+		menu.MainMenuSettings(
+			c.actionMainSettings,
+			c.actionSettingConvertor,
+		),
+		menu.MainMenuHelp(
+			c.actionAbout,
+			c.actionHelpFFplay,
+		),
+	))
+	c.window.InitLayout()
+}
--- a/internal/controller/menu.go
+++ b/internal/controller/menu.go
@ -0,0 +1,67 @@
+package controller
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view"
+)
+
+func (c *controller) actionSettingConvertor() {
+	c.settingConvertor(true)
+}
+
+func (c *controller) actionMainSettings() {
+	currentLang, _ := c.app.GetSetting().GetCurrentLangOrDefaultLang()
+	content := view.MainSettings(
+		currentLang,
+		c.app.GetSetting().GetLanguages(),
+
+		c.app.GetSetting().GetTheme(),
+		c.app.GetSetting().GetThemes(),
+
+		c.actionMainSettingsSave,
+		c.convertor,
+	)
+	c.window.SetContent(content)
+}
+
+func (c *controller) actionMainSettingsSave(setting *view.MainSettingForm) error {
+	err := c.app.GetSetting().SetLang(setting.Language)
+	if err != nil {
+		return err
+	}
+	c.app.GetSetting().SetTheme(setting.ThemeInfo)
+	c.initLayout()
+
+	c.convertor()
+	return nil
+}
+
+func (c *controller) actionAbout() {
+	ffmpegVersion := c.app.GetFFmpegService().GetFFmpegVersion()
+	ffprobeVersion := c.app.GetFFmpegService().GetFFprobeVersion()
+	ffplayVersion := c.app.GetFFmpegService().GetFFplayVersion()
+	appVersion := c.app.FyneApp().Metadata().Version
+
+	window := c.app.FyneApp().NewWindow(lang.L("about"))
+	window.Resize(fyne.Size{Width: 793, Height: 550})
+	window.SetFixedSize(true)
+
+	content := view.About(appVersion, ffmpegVersion, ffprobeVersion, ffplayVersion)
+
+	window.SetContent(content)
+	window.CenterOnScreen()
+	window.Show()
+}
+
+func (c *controller) actionHelpFFplay() {
+	window := c.app.FyneApp().NewWindow(lang.L("helpFFplay"))
+	window.Resize(fyne.Size{Width: 800, Height: 550})
+	window.SetFixedSize(true)
+
+	content := view.HelpFFplay()
+
+	window.SetContent(content)
+	window.CenterOnScreen()
+	window.Show()
+}
--- a/internal/ffmpeg/download/gui/download_anyos.go
+++ b/internal/ffmpeg/download/gui/download_anyos.go
@ -0,0 +1,14 @@
+//go:build !windows && !linux
+// +build !windows,!linux
+
+package gui
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/widget"
+)
+
+func DownloadFFmpeg(donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error) fyne.CanvasObject {
+	return container.NewVBox()
+}
--- a/convertor/view_setting_button_download_ffmpeg_linux.go
+++ b/convertor/view_setting_button_download_ffmpeg_linux.go
@ -1,21 +1,19 @@
 //go:build linux
 // +build linux

-package convertor
+package gui

 import (
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
 	"fyne.io/fyne/v2/widget"
 	"golang.org/x/image/colornames"
 	"image/color"
 )

-func (v View) blockDownloadFFmpeg(
-	donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error,
-) *fyne.Container {
-
+func DownloadFFmpeg(donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error) fyne.CanvasObject {
 	errorDownloadFFmpegMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
 	errorDownloadFFmpegMessage.TextSize = 16
 	errorDownloadFFmpegMessage.TextStyle = fyne.TextStyle{Bold: true}
@ -28,7 +26,7 @@ func (v View) blockDownloadFFmpeg(

 	var buttonDownloadFFmpeg *widget.Button

-	buttonDownloadFFmpeg = widget.NewButton(v.app.GetLocalizerService().GetMessage("download"), func() {
+	buttonDownloadFFmpeg = widget.NewButton(lang.L("download"), func() {
 		fyne.Do(func() {
 			buttonDownloadFFmpeg.Disable()
 		})
@ -44,16 +42,16 @@ func (v View) blockDownloadFFmpeg(

 	})

-	downloadFFmpegFromSiteMessage := v.app.GetLocalizerService().GetMessage("downloadFFmpegFromSite")
+	downloadFFmpegFromSiteMessage := lang.L("downloadFFmpegFromSite")

 	return container.NewVBox(
 		canvas.NewLine(colornames.Darkgreen),
-		widget.NewCard(v.app.GetLocalizerService().GetMessage("buttonDownloadFFmpeg"), "", container.NewVBox(
+		widget.NewCard(lang.L("buttonDownloadFFmpeg"), "", container.NewVBox(
 			widget.NewRichTextFromMarkdown(
 				downloadFFmpegFromSiteMessage+" [https://github.com/BtbN/FFmpeg-Builds/releases](https://github.com/BtbN/FFmpeg-Builds/releases)",
 			),
 			buttonDownloadFFmpeg,
-			errorDownloadFFmpegMessage,
+			container.NewHScroll(errorDownloadFFmpegMessage),
 			progressDownloadFFmpegMessage,
 			progressBar,
 		)),
--- a/convertor/view_setting_button_download_ffmpeg_windows.go
+++ b/convertor/view_setting_button_download_ffmpeg_windows.go
@ -1,21 +1,19 @@
 //go:build windows
 // +build windows

-package convertor
+package gui

 import (
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
 	"fyne.io/fyne/v2/widget"
 	"golang.org/x/image/colornames"
 	"image/color"
 )

-func (v View) blockDownloadFFmpeg(
-	donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error,
-) *fyne.Container {
-
+func DownloadFFmpeg(donwloadFFmpeg func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error) fyne.CanvasObject {
 	errorDownloadFFmpegMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
 	errorDownloadFFmpegMessage.TextSize = 16
 	errorDownloadFFmpegMessage.TextStyle = fyne.TextStyle{Bold: true}
@ -28,7 +26,7 @@ func (v View) blockDownloadFFmpeg(

 	var buttonDownloadFFmpeg *widget.Button

-	buttonDownloadFFmpeg = widget.NewButton(v.app.GetLocalizerService().GetMessage("download"), func() {
+	buttonDownloadFFmpeg = widget.NewButton(lang.L("download"), func() {

 		go func() {
 			fyne.Do(func() {
@ -44,16 +42,16 @@ func (v View) blockDownloadFFmpeg(
 		}()
 	})

-	downloadFFmpegFromSiteMessage := v.app.GetLocalizerService().GetMessage("downloadFFmpegFromSite")
+	downloadFFmpegFromSiteMessage := lang.L("downloadFFmpegFromSite")

 	return container.NewVBox(
 		canvas.NewLine(colornames.Darkgreen),
-		widget.NewCard(v.app.GetLocalizerService().GetMessage("buttonDownloadFFmpeg"), "", container.NewVBox(
+		widget.NewCard(lang.L("buttonDownloadFFmpeg"), "", container.NewVBox(
 			widget.NewRichTextFromMarkdown(
 				downloadFFmpegFromSiteMessage+" [https://github.com/BtbN/FFmpeg-Builds/releases](https://github.com/BtbN/FFmpeg-Builds/releases)",
 			),
 			buttonDownloadFFmpeg,
-			errorDownloadFFmpegMessage,
+			container.NewHScroll(errorDownloadFFmpegMessage),
 			progressDownloadFFmpegMessage,
 			progressBar,
 		)),
--- a/internal/ffmpeg/download/service/download.go
+++ b/internal/ffmpeg/download/service/download.go
@ -0,0 +1,21 @@
+package service
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/download/gui"
+)
+
+func DownloadFFmpeg(app application.AppContract, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) fyne.CanvasObject {
+	return gui.DownloadFFmpeg(func(progressBar *widget.ProgressBar, progressMessage *canvas.Text) error {
+		var err error
+		err = startDownload(app, progressBar, progressMessage, save)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+}
--- a/internal/ffmpeg/download/service/download_anyos.go
+++ b/internal/ffmpeg/download/service/download_anyos.go
@ -0,0 +1,15 @@
+//go:build !windows && !linux
+// +build !windows,!linux
+
+package service
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
+)
+
+func startDownload(app application.AppContract, progressBar *widget.ProgressBar, progressMessage *canvas.Text, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) error {
+	return nil
+}
--- a/internal/ffmpeg/download/service/download_linux.go
+++ b/internal/ffmpeg/download/service/download_linux.go
@ -1,15 +1,16 @@
 //go:build linux
 // +build linux

-package handler
+package service

 import (
 	"archive/tar"
 	"errors"
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/lang"
 	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
 	"github.com/ulikunitz/xz"
 	"io"
 	"net/http"
@ -17,59 +18,72 @@ import (
 	"path/filepath"
 )

-func getPathsToFF() []kernel.FFPathUtilities {
-	return []kernel.FFPathUtilities{{FFmpeg: "ffmpeg/bin/ffmpeg", FFprobe: "ffmpeg/bin/ffprobe", FFplay: "ffmpeg/bin/ffplay"}, {FFmpeg: "ffmpeg", FFprobe: "ffprobe", FFplay: "ffplay"}}
-}
+func startDownload(app application.AppContract, progressBar *widget.ProgressBar, progressMessage *canvas.Text, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) error {
+	var err error

-func (h ConvertorHandler) downloadFFmpeg(progressBar *widget.ProgressBar, progressMessage *canvas.Text) (err error) {
-	isDirectoryFFmpeg := isDirectory("ffmpeg")
-	if isDirectoryFFmpeg == false {
-		err = os.Mkdir("ffmpeg", 0777)
+	dir, err := localSharePath()
 	if err != nil {
 		return err
 	}
-	}
-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("downloadRun")
-	fyne.Do(func() {
-		progressMessage.Refresh()
-	})
-	err = downloadFile("ffmpeg/ffmpeg.tar.xz", "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz", progressBar)
+	dir = filepath.Join(dir, "fyne", app.FyneApp().UniqueID())
+	err = os.MkdirAll(dir, 0755)
 	if err != nil {
 		return err
 	}

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("unzipRun")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("downloadRun")
 		progressMessage.Refresh()
 	})
-	err = unTarXz("ffmpeg/ffmpeg.tar.xz", "ffmpeg", progressBar)
+	err = downloadFile(dir+"/ffmpeg.tar.xz", "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz", progressBar)
 	if err != nil {
 		return err
 	}
-	_ = os.Remove("ffmpeg/ffmpeg.tar.xz")

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("testFF")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("unzipRun")
+		progressMessage.Refresh()
+	})
+	err = unTarXz(dir+"/ffmpeg.tar.xz", dir, progressBar)
+	if err != nil {
+		return err
+	}
+	_ = os.Remove(dir + "/ffmpeg.tar.xz")
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("testFF")
 		progressMessage.Refresh()
 	})

-	err = h.saveSettingFFPath(
-		"ffmpeg/ffmpeg-master-latest-linux64-gpl/bin/ffmpeg",
-		"ffmpeg/ffmpeg-master-latest-linux64-gpl/bin/ffprobe",
-		"ffmpeg/ffmpeg-master-latest-linux64-gpl/bin/ffplay",
+	err = save(
+		dir+"/ffmpeg-master-latest-linux64-gpl/bin/ffmpeg",
+		dir+"/ffmpeg-master-latest-linux64-gpl/bin/ffprobe",
+		dir+"/ffmpeg-master-latest-linux64-gpl/bin/ffplay",
 	)
 	if err != nil {
 		return err
 	}

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("completedQueue")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("completedQueue")
 		progressMessage.Refresh()
 	})

 	return nil
 }

+func localSharePath() (string, error) {
+	xdgDataHome := os.Getenv("XDG_DATA_HOME")
+	if xdgDataHome != "" {
+		return xdgDataHome, nil
+	}
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(homeDir, ".local", "share"), nil
+}
+
 func downloadFile(filepath string, url string, progressBar *widget.ProgressBar) (err error) {
 	progressBar.Value = 0
 	progressBar.Max = 100
@ -220,12 +234,3 @@ func unTarXz(fileTar string, directory string, progressBar *widget.ProgressBar)

 	return nil
 }
-
-func isDirectory(path string) bool {
-	fileInfo, err := os.Stat(path)
-	if err != nil {
-		return false
-	}
-
-	return fileInfo.IsDir()
-}
--- a/internal/ffmpeg/download/service/download_windows.go
+++ b/internal/ffmpeg/download/service/download_windows.go
@ -1,15 +1,16 @@
 //go:build windows
 // +build windows

-package handler
+package service

 import (
 	"archive/zip"
 	"errors"
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/lang"
 	"fyne.io/fyne/v2/widget"
-	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/kernel"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
 	"io"
 	"net/http"
 	"os"
@ -17,52 +18,50 @@ import (
 	"strings"
 )

-func getPathsToFF() []kernel.FFPathUtilities {
-	return []kernel.FFPathUtilities{{FFmpeg: "ffmpeg\\bin\\ffmpeg.exe", FFprobe: "ffmpeg\\bin\\ffprobe.exe", FFplay: "ffmpeg\\bin\\ffplay.exe"}}
-}
+func startDownload(app application.AppContract, progressBar *widget.ProgressBar, progressMessage *canvas.Text, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) error {
+	var err error

-func (h ConvertorHandler) downloadFFmpeg(progressBar *widget.ProgressBar, progressMessage *canvas.Text) (err error) {
-	isDirectoryFFmpeg := isDirectory("ffmpeg")
-	if isDirectoryFFmpeg == false {
-		err = os.Mkdir("ffmpeg", 0777)
-		if err != nil {
-			return err
-		}
-	}
-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("downloadRun")
-	fyne.Do(func() {
-		progressMessage.Refresh()
-	})
-	err = downloadFile("ffmpeg/ffmpeg.zip", "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip", progressBar)
+	dir := os.Getenv("APPDATA")
+	dir = filepath.Join(dir, "fyne", app.FyneApp().UniqueID())
+	err = os.MkdirAll(dir, 0755)
 	if err != nil {
 		return err
 	}

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("unzipRun")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("downloadRun")
 		progressMessage.Refresh()
 	})
-	err = unZip("ffmpeg/ffmpeg.zip", "ffmpeg", progressBar)
+	err = downloadFile(dir+"/ffmpeg.zip", "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip", progressBar)
 	if err != nil {
 		return err
 	}
-	_ = os.Remove("ffmpeg/ffmpeg.zip")

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("testFF")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("unzipRun")
 		progressMessage.Refresh()
 	})
-	err = h.saveSettingFFPath(
-		"ffmpeg/ffmpeg-master-latest-win64-gpl/bin/ffmpeg.exe",
-		"ffmpeg/ffmpeg-master-latest-win64-gpl/bin/ffprobe.exe",
-		"ffmpeg/ffmpeg-master-latest-win64-gpl/bin/ffplay.exe",
+	err = unZip(dir+"/ffmpeg.zip", dir, progressBar)
+	if err != nil {
+		return err
+	}
+	_ = os.Remove(dir + "/ffmpeg.zip")
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("testFF")
+		progressMessage.Refresh()
+	})
+	err = save(
+		dir+"/ffmpeg-master-latest-win64-gpl/bin/ffmpeg.exe",
+		dir+"/ffmpeg-master-latest-win64-gpl/bin/ffprobe.exe",
+		dir+"/ffmpeg-master-latest-win64-gpl/bin/ffplay.exe",
 	)
 	if err != nil {
 		return err
 	}

-	progressMessage.Text = h.app.GetLocalizerService().GetMessage("completedQueue")
 	fyne.Do(func() {
+		progressMessage.Text = lang.L("completedQueue")
 		progressMessage.Refresh()
 	})

@ -174,12 +173,3 @@ func unZip(fileZip string, directory string, progressBar *widget.ProgressBar) er

 	return nil
 }
-
-func isDirectory(path string) bool {
-	fileInfo, err := os.Stat(path)
-	if err != nil {
-		return false
-	}
-
-	return fileInfo.IsDir()
-}
--- a/internal/ffmpeg/encoder/apng/encoder.go
+++ b/internal/ffmpeg/encoder/apng/encoder.go
@ -0,0 +1,21 @@
+package apng
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "apng"}
+	}
+
+	return encoder.NewEncoder("apng", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "apng"
+	formats := []string{"apng"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/bmp/encoder.go
+++ b/internal/ffmpeg/encoder/bmp/encoder.go
@ -0,0 +1,21 @@
+package bmp
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "bmp"}
+	}
+
+	return encoder.NewEncoder("bmp", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "bmp"
+	formats := []string{"bmp"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/encoder.go
+++ b/internal/ffmpeg/encoder/encoder.go
@ -24,15 +24,15 @@ type EncoderDataContract interface {
 	NewEncoder() EncoderContract
 }

-type Data struct {
+type data struct {
 	title    string
 	formats  []string
 	fileType FileTypeContract
 	encoder  func() EncoderContract
 }

-func NewData(title string, formats []string, fileType FileTypeContract, encoder func() EncoderContract) *Data {
-	return &Data{
+func NewData(title string, formats []string, fileType FileTypeContract, encoder func() EncoderContract) EncoderDataContract {
+	return &data{
 		title:    title,
 		formats:  formats,
 		fileType: fileType,
@ -40,19 +40,19 @@ func NewData(title string, formats []string, fileType FileTypeContract, encoder
 	}
 }

-func (data Data) GetTitle() string {
+func (data *data) GetTitle() string {
 	return data.title
 }

-func (data Data) GetFormats() []string {
+func (data *data) GetFormats() []string {
 	return data.formats
 }

-func (data Data) NewEncoder() EncoderContract {
+func (data *data) NewEncoder() EncoderContract {
 	return data.encoder()
 }

-func (data Data) GetFileType() FileTypeContract {
+func (data *data) GetFileType() FileTypeContract {
 	return data.fileType
 }

@ -91,29 +91,29 @@ func GetListFileType() []FileTypeContract {
 	}
 }

-type Encoder struct {
+type encoder struct {
 	name       string
 	parameters map[string]ParameterContract
 	getParams  func(parameters map[string]ParameterContract) []string
 }

-func NewEncoder(name string, parameters map[string]ParameterContract, getParams func(parameters map[string]ParameterContract) []string) *Encoder {
-	return &Encoder{
+func NewEncoder(name string, parameters map[string]ParameterContract, getParams func(parameters map[string]ParameterContract) []string) EncoderContract {
+	return &encoder{
 		name:       name,
 		parameters: parameters,
 		getParams:  getParams,
 	}
 }

-func (e *Encoder) GetName() string {
+func (e *encoder) GetName() string {
 	return e.name
 }

-func (e *Encoder) GetParams() []string {
+func (e *encoder) GetParams() []string {
 	return e.getParams(e.parameters)
 }

-func (e *Encoder) GetParameter(name string) (ParameterContract, error) {
+func (e *encoder) GetParameter(name string) (ParameterContract, error) {
 	if e.parameters[name] == nil {
 		return nil, errors.New("parameter not found")
 	}
@ -121,15 +121,15 @@ func (e *Encoder) GetParameter(name string) (ParameterContract, error) {
 	return e.parameters[name], nil
 }

-type Parameter struct {
+type parameter struct {
 	name         string
 	isEnabled    bool
 	parameter    string
 	setParameter func(string) (string, error)
 }

-func NewParameter(name string, isEnabled bool, defaultParameter string, setParameter func(string) (string, error)) *Parameter {
-	return &Parameter{
+func NewParameter(name string, isEnabled bool, defaultParameter string, setParameter func(string) (string, error)) ParameterContract {
+	return &parameter{
 		name:         name,
 		isEnabled:    isEnabled,
 		parameter:    defaultParameter,
@ -137,11 +137,11 @@ func NewParameter(name string, isEnabled bool, defaultParameter string, setParam
 	}
 }

-func (p *Parameter) GetName() string {
+func (p *parameter) GetName() string {
 	return p.name
 }

-func (p *Parameter) Set(s string) (err error) {
+func (p *parameter) Set(s string) (err error) {
 	if p.setParameter != nil {
 		s, err = p.setParameter(s)
 		if err != nil {
@ -152,18 +152,18 @@ func (p *Parameter) Set(s string) (err error) {
 	return nil
 }

-func (p *Parameter) Get() string {
+func (p *parameter) Get() string {
 	return p.parameter
 }

-func (p *Parameter) IsEnabled() bool {
+func (p *parameter) IsEnabled() bool {
 	return p.isEnabled
 }

-func (p *Parameter) SetEnable() {
+func (p *parameter) SetEnable() {
 	p.isEnabled = true
 }

-func (p *Parameter) SetDisable() {
+func (p *parameter) SetDisable() {
 	p.isEnabled = false
 }
--- a/internal/ffmpeg/encoder/flv/encoder.go
+++ b/internal/ffmpeg/encoder/flv/encoder.go
@ -0,0 +1,21 @@
+package flv
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "flv"}
+	}
+
+	return encoder.NewEncoder("flv", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "flv"
+	formats := []string{"flv"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/gif/encoder.go
+++ b/internal/ffmpeg/encoder/gif/encoder.go
@ -0,0 +1,21 @@
+package gif
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "gif"}
+	}
+
+	return encoder.NewEncoder("gif", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "gif"
+	formats := []string{"gif"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/h264_nvenc/encoder.go
+++ b/internal/ffmpeg/encoder/h264_nvenc/encoder.go
@ -2,7 +2,7 @@ package h264_nvenc

 import (
 	"errors"
-	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
 )

 var Presets = []string{
@ -20,11 +20,11 @@ var Presets = []string{
 	"losslesshp",
 }

-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
 		"preset": newParameterPreset(),
 	}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
 		params := []string{"-c:v", "h264_nvenc"}

 		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
@ -34,17 +34,17 @@ func NewEncoder() encoder2.EncoderContract {
 		return params
 	}

-	return encoder2.NewEncoder("h264_nvenc", parameters, getParams)
+	return encoder.NewEncoder("h264_nvenc", parameters, getParams)
 }

-func NewData() encoder2.EncoderDataContract {
+func NewData() encoder.EncoderDataContract {
 	title := "h264_nvenc"
 	formats := []string{"mp4"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
 }

-func newParameterPreset() encoder2.ParameterContract {
+func newParameterPreset() encoder.ParameterContract {
 	setParameter := func(s string) (string, error) {
 		for _, value := range Presets {
 			if value == s {
@ -54,5 +54,5 @@ func newParameterPreset() encoder2.ParameterContract {

 		return "", errors.New("preset not found")
 	}
-	return encoder2.NewParameter("preset", false, "default", setParameter)
+	return encoder.NewParameter("preset", false, "default", setParameter)
 }
--- a/internal/ffmpeg/encoder/libmp3lame/encoder.go
+++ b/internal/ffmpeg/encoder/libmp3lame/encoder.go
@ -0,0 +1,21 @@
+package libmp3lame
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "libmp3lame"}
+	}
+
+	return encoder.NewEncoder("libmp3lame", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libmp3lame"
+	formats := []string{"mp3"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libshine/encoder.go
+++ b/internal/ffmpeg/encoder/libshine/encoder.go
@ -0,0 +1,21 @@
+package libshine
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "libshine"}
+	}
+
+	return encoder.NewEncoder("libshine", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libshine"
+	formats := []string{"mp3"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libtwolame/encoder.go
+++ b/internal/ffmpeg/encoder/libtwolame/encoder.go
@ -0,0 +1,21 @@
+package libtwolame
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "libtwolame"}
+	}
+
+	return encoder.NewEncoder("libtwolame", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libtwolame"
+	formats := []string{"mp2"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libvpx/encoder.go
+++ b/internal/ffmpeg/encoder/libvpx/encoder.go
@ -0,0 +1,21 @@
+package libvpx
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "libvpx"}
+	}
+
+	return encoder.NewEncoder("libvpx", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libvpx"
+	formats := []string{"webm", "mkv"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libvpx_vp9/encoder.go
+++ b/internal/ffmpeg/encoder/libvpx_vp9/encoder.go
@ -0,0 +1,21 @@
+package libvpx_vp9
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "libvpx-vp9"}
+	}
+
+	return encoder.NewEncoder("libvpx_vp9", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libvpx-vp9"
+	formats := []string{"webm", "mkv"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libwebp/encoder.go
+++ b/internal/ffmpeg/encoder/libwebp/encoder.go
@ -0,0 +1,21 @@
+package libwebp
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "libwebp"}
+	}
+
+	return encoder.NewEncoder("libwebp", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libwebp"
+	formats := []string{"webp"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libwebp_anim/encoder.go
+++ b/internal/ffmpeg/encoder/libwebp_anim/encoder.go
@ -0,0 +1,21 @@
+package libwebp_anim
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "libwebp_anim"}
+	}
+
+	return encoder.NewEncoder("libwebp_anim", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libwebp_anim"
+	formats := []string{"webp"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/libx264/encoder.go
+++ b/internal/ffmpeg/encoder/libx264/encoder.go
@ -2,7 +2,7 @@ package libx264

 import (
 	"errors"
-	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
 )

 var Presets = []string{
@ -18,11 +18,11 @@ var Presets = []string{
 	"placebo",
 }

-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
 		"preset": newParameterPreset(),
 	}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
 		params := []string{"-c:v", "libx264"}

 		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
@ -32,17 +32,17 @@ func NewEncoder() encoder2.EncoderContract {
 		return params
 	}

-	return encoder2.NewEncoder("libx264", parameters, getParams)
+	return encoder.NewEncoder("libx264", parameters, getParams)
 }

-func NewData() encoder2.EncoderDataContract {
+func NewData() encoder.EncoderDataContract {
 	title := "libx264"
 	formats := []string{"mp4"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
 }

-func newParameterPreset() encoder2.ParameterContract {
+func newParameterPreset() encoder.ParameterContract {
 	setParameter := func(s string) (string, error) {
 		for _, value := range Presets {
 			if value == s {
@ -52,5 +52,5 @@ func newParameterPreset() encoder2.ParameterContract {

 		return "", errors.New("preset not found")
 	}
-	return encoder2.NewParameter("preset", false, "medium", setParameter)
+	return encoder.NewParameter("preset", false, "medium", setParameter)
 }
--- a/internal/ffmpeg/encoder/libx265/encoder.go
+++ b/internal/ffmpeg/encoder/libx265/encoder.go
@ -2,7 +2,7 @@ package libx265

 import (
 	"errors"
-	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
 )

 var Presets = []string{
@ -18,11 +18,11 @@ var Presets = []string{
 	"placebo",
 }

-func NewEncoder() encoder2.EncoderContract {
-	parameters := map[string]encoder2.ParameterContract{
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
 		"preset": newParameterPreset(),
 	}
-	getParams := func(parameters map[string]encoder2.ParameterContract) []string {
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
 		params := []string{"-c:v", "libx265"}

 		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
@ -32,17 +32,17 @@ func NewEncoder() encoder2.EncoderContract {
 		return params
 	}

-	return encoder2.NewEncoder("libx265", parameters, getParams)
+	return encoder.NewEncoder("libx265", parameters, getParams)
 }

-func NewData() encoder2.EncoderDataContract {
+func NewData() encoder.EncoderDataContract {
 	title := "libx265"
 	formats := []string{"mp4"}
-	fileType := encoder2.FileType(encoder2.Video)
-	return encoder2.NewData(title, formats, fileType, NewEncoder)
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
 }

-func newParameterPreset() encoder2.ParameterContract {
+func newParameterPreset() encoder.ParameterContract {
 	setParameter := func(s string) (string, error) {
 		for _, value := range Presets {
 			if value == s {
@ -52,5 +52,5 @@ func newParameterPreset() encoder2.ParameterContract {

 		return "", errors.New("preset not found")
 	}
-	return encoder2.NewParameter("preset", false, "medium", setParameter)
+	return encoder.NewParameter("preset", false, "medium", setParameter)
 }
--- a/internal/ffmpeg/encoder/libxvid/encoder.go
+++ b/internal/ffmpeg/encoder/libxvid/encoder.go
@ -0,0 +1,21 @@
+package libxvid
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "libxvid"}
+	}
+
+	return encoder.NewEncoder("libxvid", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libxvid"
+	formats := []string{"avi"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mjpeg/encoder.go
+++ b/internal/ffmpeg/encoder/mjpeg/encoder.go
@ -0,0 +1,21 @@
+package mjpeg
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "mjpeg"}
+	}
+
+	return encoder.NewEncoder("mjpeg", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mjpeg"
+	formats := []string{"jpg"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mp2/encoder.go
+++ b/internal/ffmpeg/encoder/mp2/encoder.go
@ -0,0 +1,21 @@
+package mp2
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "mp2"}
+	}
+
+	return encoder.NewEncoder("mp2", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mp2"
+	formats := []string{"mp2"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mp2fixed/encoder.go
+++ b/internal/ffmpeg/encoder/mp2fixed/encoder.go
@ -0,0 +1,21 @@
+package mp2fixed
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "mp2fixed"}
+	}
+
+	return encoder.NewEncoder("mp2fixed", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mp2fixed"
+	formats := []string{"mp2"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mpeg1video/encoder.go
+++ b/internal/ffmpeg/encoder/mpeg1video/encoder.go
@ -0,0 +1,21 @@
+package mpeg1video
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "mpeg1video"}
+	}
+
+	return encoder.NewEncoder("mpeg1video", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mpeg1video"
+	formats := []string{"mpg", "mpeg"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mpeg2video/encoder.go
+++ b/internal/ffmpeg/encoder/mpeg2video/encoder.go
@ -0,0 +1,21 @@
+package mpeg2video
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "mpeg2video"}
+	}
+
+	return encoder.NewEncoder("mpeg2video", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mpeg2video"
+	formats := []string{"mpg", "mpeg"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/mpeg4/encoder.go
+++ b/internal/ffmpeg/encoder/mpeg4/encoder.go
@ -0,0 +1,21 @@
+package mpeg4
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "mpeg4"}
+	}
+
+	return encoder.NewEncoder("mpeg4", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "mpeg4"
+	formats := []string{"avi"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/msmpeg4/encoder.go
+++ b/internal/ffmpeg/encoder/msmpeg4/encoder.go
@ -0,0 +1,21 @@
+package msmpeg4
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "msmpeg4"}
+	}
+
+	return encoder.NewEncoder("msmpeg4", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "msmpeg4"
+	formats := []string{"avi"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/msmpeg4v2/encoder.go
+++ b/internal/ffmpeg/encoder/msmpeg4v2/encoder.go
@ -0,0 +1,21 @@
+package msmpeg4v2
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "msmpeg4v2"}
+	}
+
+	return encoder.NewEncoder("msmpeg4v2", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "msmpeg4v2"
+	formats := []string{"avi"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/msvideo1/encoder.go
+++ b/internal/ffmpeg/encoder/msvideo1/encoder.go
@ -0,0 +1,21 @@
+package msvideo1
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "msvideo1"}
+	}
+
+	return encoder.NewEncoder("msvideo1", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "msvideo1"
+	formats := []string{"avi"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/png/encoder.go
+++ b/internal/ffmpeg/encoder/png/encoder.go
@ -0,0 +1,21 @@
+package png
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "png"}
+	}
+
+	return encoder.NewEncoder("png", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "png"
+	formats := []string{"png"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/qtrle/encoder.go
+++ b/internal/ffmpeg/encoder/qtrle/encoder.go
@ -0,0 +1,21 @@
+package qtrle
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "qtrle"}
+	}
+
+	return encoder.NewEncoder("qtrle", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "qtrle"
+	formats := []string{"mov"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/sgi/encoder.go
+++ b/internal/ffmpeg/encoder/sgi/encoder.go
@ -0,0 +1,21 @@
+package sgi
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "sgi"}
+	}
+
+	return encoder.NewEncoder("sgi", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "sgi"
+	formats := []string{"sgi"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/tiff/encoder.go
+++ b/internal/ffmpeg/encoder/tiff/encoder.go
@ -0,0 +1,21 @@
+package tiff
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "tiff"}
+	}
+
+	return encoder.NewEncoder("tiff", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "tiff"
+	formats := []string{"tiff"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/wmav1/encoder.go
+++ b/internal/ffmpeg/encoder/wmav1/encoder.go
@ -0,0 +1,21 @@
+package wmav1
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "wmav1"}
+	}
+
+	return encoder.NewEncoder("wmav1", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "wmav1"
+	formats := []string{"wma"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/wmav2/encoder.go
+++ b/internal/ffmpeg/encoder/wmav2/encoder.go
@ -0,0 +1,21 @@
+package wmav2
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:a", "wmav2"}
+	}
+
+	return encoder.NewEncoder("wmav2", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "wmav2"
+	formats := []string{"wma"}
+	fileType := encoder.FileType(encoder.Audio)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/wmv1/encoder.go
+++ b/internal/ffmpeg/encoder/wmv1/encoder.go
@ -0,0 +1,21 @@
+package wmv1
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "wmv1"}
+	}
+
+	return encoder.NewEncoder("wmv1", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "wmv1"
+	formats := []string{"wmv"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/wmv2/encoder.go
+++ b/internal/ffmpeg/encoder/wmv2/encoder.go
@ -0,0 +1,21 @@
+package wmv2
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "wmv2"}
+	}
+
+	return encoder.NewEncoder("wmv2", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "wmv2"
+	formats := []string{"wmv"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/encoder/xbm/encoder.go
+++ b/internal/ffmpeg/encoder/xbm/encoder.go
@ -0,0 +1,21 @@
+package xbm
+
+import (
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		return []string{"-c:v", "xbm"}
+	}
+
+	return encoder.NewEncoder("xbm", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "xbm"
+	formats := []string{"xbm"}
+	fileType := encoder.FileType(encoder.Image)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
--- a/internal/ffmpeg/ffmpeg.go
+++ b/internal/ffmpeg/ffmpeg.go
@ -0,0 +1,139 @@
+package ffmpeg
+
+import (
+	"bufio"
+	"errors"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+	"io"
+	"os/exec"
+	"regexp"
+	"strings"
+)
+
+type ProgressContract interface {
+	GetProtocole() string
+	Run(stdOut io.ReadCloser, stdErr io.ReadCloser) error
+}
+
+type FFmpegContract interface {
+	GetPath() string
+	GetVersion() (string, error)
+	GetEncoders(scanner func(scanner *bufio.Reader)) error
+	RunConvert(setting ConvertSetting, progress ProgressContract, beforeWait func(cmd *exec.Cmd), afterWait func(cmd *exec.Cmd)) error
+}
+
+type ffmpeg struct {
+	path string
+}
+
+func newFFmpeg(path string) (FFmpegContract, error) {
+	if path == "" {
+		return nil, errors.New(lang.L("errorFFmpeg"))
+	}
+
+	isCheck, err := checkFFmpegPath(path)
+	if err != nil {
+		return nil, err
+	}
+	if isCheck == false {
+		return nil, errors.New(lang.L("errorFFmpeg"))
+	}
+
+	return &ffmpeg{
+		path: path,
+	}, nil
+}
+
+func (f *ffmpeg) GetPath() string {
+	return f.path
+}
+
+func (f *ffmpeg) GetVersion() (string, error) {
+	cmd := exec.Command(f.path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", err
+	}
+	text := regexp.MustCompile("\r?\n").Split(strings.TrimSpace(string(out)), -1)
+	return text[0], nil
+}
+
+func (f *ffmpeg) RunConvert(setting ConvertSetting, progress ProgressContract, beforeWait func(cmd *exec.Cmd), afterWait func(cmd *exec.Cmd)) error {
+	overwriteOutputFiles := "-n"
+	if setting.OverwriteOutputFiles == true {
+		overwriteOutputFiles = "-y"
+	}
+	args := []string{overwriteOutputFiles, "-i", setting.FileInput.Path}
+	args = append(args, setting.Encoder.GetParams()...)
+	args = append(args, "-progress", progress.GetProtocole(), setting.FileOut.Path)
+	cmd := exec.Command(f.path, args...)
+	utils.PrepareBackgroundCommand(cmd)
+
+	stdOut, err := cmd.StdoutPipe()
+	if err != nil {
+		return err
+	}
+	stdErr, err := cmd.StderrPipe()
+	if err != nil {
+		return err
+	}
+
+	err = cmd.Start()
+	if err != nil {
+		return err
+	}
+
+	if beforeWait != nil {
+		beforeWait(cmd)
+	}
+
+	errProgress := progress.Run(stdOut, stdErr)
+
+	err = cmd.Wait()
+	if afterWait != nil {
+		afterWait(cmd)
+	}
+	if errProgress != nil {
+		return errProgress
+	}
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (f *ffmpeg) GetEncoders(scanner func(scanner *bufio.Reader)) error {
+	cmd := exec.Command(f.path, "-encoders")
+	utils.PrepareBackgroundCommand(cmd)
+
+	stdOut, err := cmd.StdoutPipe()
+	if err != nil {
+		return err
+	}
+
+	err = cmd.Start()
+	if err != nil {
+		return err
+	}
+
+	scannerErr := bufio.NewReader(stdOut)
+	scanner(scannerErr)
+
+	return cmd.Wait()
+}
+
+func checkFFmpegPath(path string) (bool, error) {
+	cmd := exec.Command(path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return false, err
+	}
+	if strings.Contains(strings.TrimSpace(string(out)), "ffmpeg") == false {
+		return false, nil
+	}
+	return true, nil
+}
--- a/internal/ffmpeg/ffplay.go
+++ b/internal/ffmpeg/ffplay.go
@ -0,0 +1,73 @@
+package ffmpeg
+
+import (
+	"errors"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+	"os/exec"
+	"regexp"
+	"strings"
+)
+
+type FFplayContract interface {
+	GetPath() string
+	GetVersion() (string, error)
+	Play(file *File) error
+}
+
+type ffplay struct {
+	path string
+}
+
+func newFFplay(path string) (FFplayContract, error) {
+	if path == "" {
+		return nil, errors.New(lang.L("errorFFplay"))
+	}
+
+	isCheck, err := checkFFplayPath(path)
+	if err != nil {
+		return nil, err
+	}
+	if isCheck == false {
+		return nil, errors.New(lang.L("errorFFplay"))
+	}
+
+	return &ffplay{
+		path: path,
+	}, nil
+}
+
+func (f *ffplay) GetPath() string {
+	return f.path
+}
+
+func (f *ffplay) GetVersion() (string, error) {
+	cmd := exec.Command(f.path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", err
+	}
+	text := regexp.MustCompile("\r?\n").Split(strings.TrimSpace(string(out)), -1)
+	return text[0], nil
+}
+
+func (f *ffplay) Play(file *File) error {
+	args := []string{file.Path}
+	cmd := exec.Command(f.GetPath(), args...)
+
+	return cmd.Run()
+}
+
+func checkFFplayPath(path string) (bool, error) {
+	cmd := exec.Command(path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return false, err
+	}
+	if strings.Contains(strings.TrimSpace(string(out)), "ffplay") == false {
+		return false, nil
+	}
+	return true, nil
+}
--- a/internal/ffmpeg/ffprobe.go
+++ b/internal/ffmpeg/ffprobe.go
@ -0,0 +1,124 @@
+package ffmpeg
+
+import (
+	"errors"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+	"os/exec"
+	"regexp"
+	"strconv"
+	"strings"
+	"unicode"
+)
+
+type FFprobeContract interface {
+	GetPath() string
+	GetVersion() (string, error)
+	GetTotalDuration(file *File) (float64, error)
+}
+
+type ffprobe struct {
+	path string
+}
+
+func newFFprobe(path string) (FFprobeContract, error) {
+	if path == "" {
+		return nil, errors.New(lang.L("errorFFprobe"))
+	}
+
+	isCheck, err := checkFFprobePath(path)
+	if err != nil {
+		return nil, err
+	}
+	if isCheck == false {
+		return nil, errors.New(lang.L("errorFFprobe"))
+	}
+
+	return &ffprobe{
+		path: path,
+	}, nil
+}
+
+func (f *ffprobe) GetPath() string {
+	return f.path
+}
+
+func (f *ffprobe) GetVersion() (string, error) {
+	cmd := exec.Command(f.path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", err
+	}
+	text := regexp.MustCompile("\r?\n").Split(strings.TrimSpace(string(out)), -1)
+	return text[0], nil
+}
+
+func (f *ffprobe) GetTotalDuration(file *File) (duration float64, err error) {
+	args := []string{"-v", "error", "-select_streams", "v:0", "-count_packets", "-show_entries", "stream=nb_read_packets", "-of", "csv=p=0", file.Path}
+	cmd := exec.Command(f.path, args...)
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		errString := strings.TrimSpace(string(out))
+		if len(errString) > 1 {
+			return 0, errors.New(errString)
+		}
+		return 0, err
+	}
+	frames := strings.TrimSpace(string(out))
+	if len(frames) == 0 {
+		return f.getAlternativeTotalDuration(file)
+	}
+
+	duration, err = strconv.ParseFloat(frames, 64)
+	if err != nil {
+		// fix .mts duration
+		return strconv.ParseFloat(getFirstDigits(frames), 64)
+	}
+	return duration, err
+}
+
+func (f *ffprobe) getAlternativeTotalDuration(file *File) (duration float64, err error) {
+	args := []string{"-v", "error", "-select_streams", "a:0", "-count_packets", "-show_entries", "stream=nb_read_packets", "-of", "csv=p=0", file.Path}
+	cmd := exec.Command(f.path, args...)
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		errString := strings.TrimSpace(string(out))
+		if len(errString) > 1 {
+			return 0, errors.New(errString)
+		}
+		return 0, err
+	}
+	frames := strings.TrimSpace(string(out))
+	if len(frames) == 0 {
+		return 0, errors.New("error getting number of frames")
+	}
+	return strconv.ParseFloat(frames, 64)
+}
+
+func checkFFprobePath(path string) (bool, error) {
+	cmd := exec.Command(path, "-version")
+	utils.PrepareBackgroundCommand(cmd)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return false, err
+	}
+	if strings.Contains(strings.TrimSpace(string(out)), "ffprobe") == false {
+		return false, nil
+	}
+	return true, nil
+}
+
+func getFirstDigits(s string) string {
+	result := ""
+	for _, r := range s {
+		if unicode.IsDigit(r) {
+			result += string(r)
+		} else {
+			break
+		}
+	}
+	return result
+}
--- a/internal/ffmpeg/utilities.go
+++ b/internal/ffmpeg/utilities.go
@ -0,0 +1,221 @@
+package ffmpeg
+
+import (
+	"errors"
+	"fyne.io/fyne/v2/lang"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+type File struct {
+	Path string
+	Name string
+	Ext  string
+}
+
+type ConvertSetting struct {
+	FileInput            File
+	FileOut              File
+	OverwriteOutputFiles bool
+	Encoder              encoder.EncoderContract
+}
+
+type UtilitiesContract interface {
+	UtilityCheck() bool
+
+	GetFFmpeg() (FFmpegContract, error)
+	GetFFmpegVersion() string
+	GetFFmpegPath() string
+	ChangeFFmpeg(path string) error
+
+	GetFFprobe() (FFprobeContract, error)
+	GetFFprobeVersion() string
+	GetFFprobePath() string
+	ChangeFFprobe(path string) error
+
+	GetFFplay() (FFplayContract, error)
+	GetFFplayVersion() string
+	GetFFplayPath() string
+	ChangeFFplay(path string) error
+}
+
+type utilities struct {
+	setting setting.SettingContract
+	ffmpeg  FFmpegContract
+	ffprobe FFprobeContract
+	ffplay  FFplayContract
+}
+
+func NewUtilities(setting setting.SettingContract) UtilitiesContract {
+	return &utilities{
+		setting: setting,
+	}
+}
+
+func (u *utilities) UtilityCheck() bool {
+	var err error
+
+	_, err = u.GetFFmpeg()
+	if err != nil {
+		return false
+	}
+
+	_, err = u.GetFFprobe()
+	if err != nil {
+		return false
+	}
+
+	_, err = u.GetFFplay()
+	if err != nil {
+		return false
+	}
+
+	return true
+}
+
+func (u *utilities) GetFFmpeg() (FFmpegContract, error) {
+	if u.ffmpeg == nil {
+		createFFmpeg, err := newFFmpeg(u.setting.GetFFmpegPath())
+		if err != nil {
+			return nil, err
+		}
+		u.ffmpeg = createFFmpeg
+	}
+
+	return u.ffmpeg, nil
+}
+
+func (u *utilities) GetFFmpegVersion() string {
+	ffmpegService, err := u.GetFFmpeg()
+	if err != nil {
+		return lang.L("errorFFmpegVersion")
+	}
+
+	version, err := ffmpegService.GetVersion()
+	if err != nil {
+		return lang.L("errorFFmpegVersion")
+	}
+	return version
+}
+
+func (u *utilities) GetFFmpegPath() string {
+	ffmpegService, err := u.GetFFmpeg()
+	if err != nil {
+		return ""
+	}
+	return ffmpegService.GetPath()
+}
+
+func (u *utilities) ChangeFFmpeg(path string) error {
+	if path == "" {
+		return errors.New(lang.L("errorFFmpeg"))
+	}
+
+	createFFmpeg, err := newFFmpeg(path)
+	if err != nil {
+		return err
+	}
+
+	u.ffmpeg = createFFmpeg
+	u.setting.SetFFmpegPath(path)
+
+	return nil
+}
+
+func (u *utilities) GetFFprobe() (FFprobeContract, error) {
+	if u.ffprobe == nil {
+		createFFprobe, err := newFFprobe(u.setting.GetFFprobePath())
+		if err != nil {
+			return nil, err
+		}
+		u.ffprobe = createFFprobe
+	}
+
+	return u.ffprobe, nil
+}
+
+func (u *utilities) GetFFprobeVersion() string {
+	ffprobeService, err := u.GetFFprobe()
+	if err != nil {
+		return lang.L("errorFFprobeVersion")
+	}
+
+	ffprobeVersion, err := ffprobeService.GetVersion()
+	if err != nil {
+		return lang.L("errorFFprobeVersion")
+	}
+	return ffprobeVersion
+}
+
+func (u *utilities) GetFFprobePath() string {
+	ffprobeService, err := u.GetFFprobe()
+	if err != nil {
+		return ""
+	}
+	return ffprobeService.GetPath()
+}
+
+func (u *utilities) ChangeFFprobe(path string) error {
+	if path == "" {
+		return errors.New(lang.L("errorFFprobe"))
+	}
+
+	createFFprobe, err := newFFprobe(path)
+	if err != nil {
+		return err
+	}
+
+	u.ffprobe = createFFprobe
+	u.setting.SetFFprobePath(path)
+
+	return nil
+}
+
+func (u *utilities) GetFFplay() (FFplayContract, error) {
+	if u.ffplay == nil {
+		createFFplay, err := newFFplay(u.setting.GetFFplayPath())
+		if err != nil {
+			return nil, err
+		}
+		u.ffplay = createFFplay
+	}
+
+	return u.ffplay, nil
+}
+
+func (u *utilities) GetFFplayVersion() string {
+	ffplayService, err := u.GetFFplay()
+	if err != nil {
+		return lang.L("errorFFplayVersion")
+	}
+
+	ffplayVersion, err := ffplayService.GetVersion()
+	if err != nil {
+		return lang.L("errorFFplayVersion")
+	}
+	return ffplayVersion
+}
+
+func (u *utilities) GetFFplayPath() string {
+	ffplayService, err := u.GetFFplay()
+	if err != nil {
+		return ""
+	}
+	return ffplayService.GetPath()
+}
+
+func (u *utilities) ChangeFFplay(path string) error {
+	if path == "" {
+		return errors.New(lang.L("errorFFplay"))
+	}
+
+	createFFplay, err := newFFplay(path)
+	if err != nil {
+		return err
+	}
+
+	u.ffplay = createFFplay
+	u.setting.SetFFplayPath(path)
+
+	return nil
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Leonid Nikitin	850cbbaf70	Removed the old program structure.	2025-06-09 23:42:09 +05:00
Leonid Nikitin	f4604f94c6	Set Fyne window as master during controller initialization.	2025-06-09 23:38:50 +05:00
Leonid Nikitin	077d7a82a9	Moved the menu to a new structure.	2025-06-09 23:30:05 +05:00
Leonid Nikitin	e6db590937	Add `GetFFplayVersion` method to retrieve FFplay version details Extended `FFplayContract` with `GetVersion` to fetch FFplay version. Implemented version extraction in `utilities` and `ffplay` to support version retrieval functionality.	2025-06-09 23:28:25 +05:00
Leonid Nikitin	d7428683e4	Add `GetFFprobeVersion` method to retrieve FFprobe version details Extended `FFprobeContract` with `GetVersion` to fetch FFprobe version. Implemented version extraction in `utilities` and `ffprobe` to support version retrieval functionality.	2025-06-09 23:25:13 +05:00
Leonid Nikitin	a9c59137af	Rename `GetFFmpegVersion` to `GetVersion` in `FFmpegContract` for consistency and clarity.	2025-06-09 23:21:19 +05:00
Leonid Nikitin	c8619cdc7f	Added the ability to get the FFmpeg version.	2025-06-09 23:19:48 +05:00
Leonid Nikitin	c49957e583	Moved the "About" window to a new structure.	2025-06-09 23:12:20 +05:00
Leonid Nikitin	39080cac14	Refactor `HelpFFplay` to simplify array initialization.	2025-06-09 22:56:04 +05:00
Leonid Nikitin	cae996a141	Moved the display of FFplay key descriptions to a new structure.	2025-06-09 22:54:27 +05:00
Leonid Nikitin	fc4e585620	Add main settings view and theme management functionality Introduce a new `MainSettings` view for managing application settings, including language and theme selection. Implement theme management methods in the `setting` package to handle theme initialization, retrieval, and updates.	2025-06-09 00:27:40 +05:00
Leonid Nikitin	690f84e2c8	Fix display of queues during conversion Fixed the error of displaying queues when they want to see only a certain status.	2025-06-08 22:54:50 +05:00
Leonid Nikitin	568d8f0897	Removed duplicate isChecked, since there is IsChecked.	2025-06-08 22:28:11 +05:00
Leonid Nikitin	2909ef7cea	Introduce progress bar updates and queue processing logic Implemented progress bar integration with `ProgressBarContract` for real-time conversion tracking and status updates. Added queue management functionality to process files sequentially with error and completion handling. Extended `ConvertorContract` and `FFmpegContract` to support tracking of running processes and conversion progress.	2025-06-08 22:19:28 +05:00
Leonid Nikitin	1b1cdd5c22	Add `RunConvert` method to `FFmpegContract` and implementation Extend `FFmpegContract` with `RunConvert` for handling file conversion, including progress tracking and callback support before and after execution.	2025-06-08 21:47:28 +05:00
Leonid Nikitin	eb43669ae7	Add `GetTotalDuration` method to `FFprobeContract` and implementation Extend `FFprobeContract` interface with `GetTotalDuration` for retrieving the duration of media files.	2025-06-08 21:38:29 +05:00
Leonid Nikitin	29ca392880	Made it so that files for conversion are added to the queue.	2025-06-08 20:42:43 +05:00
Leonid Nikitin	df8095fb16	Added an action to the submit button.	2025-06-08 19:19:50 +05:00
Leonid Nikitin	e48f363de0	Fix the bug where the file selection button for conversion disappears.	2025-06-08 18:30:08 +05:00
Leonid Nikitin	9bb835beaf	Make a choice of the encoder in the form Made a choice of the encoder by categories: video, audio and photo.	2025-06-08 17:26:49 +05:00
Leonid Nikitin	9cdfa18fc8	Add initial implementations for encoder handling and conversion logic Introduce encoder modules for various codecs and formats (e.g., h264_nvenc, libx264, libmp3lame). Add `Convertor` logic to retrieve supported formats via FFmpeg utilities and manage encoders for audio, video, and image processing.	2025-06-08 17:26:17 +05:00
Leonid Nikitin	6c0abac1c5	Add directory selection for saving converted files Introduce logic and UI for selecting and persisting a directory to save converted files. Extend existing components with directory selection buttons, message updates, and storage preferences.	2025-06-08 00:18:56 +05:00
Leonid Nikitin	394824ce88	Add layout system and file selection logic Introduce a new layout system for managing main window content and tabs. Integrate file selection and drag-and-drop functionality for adding files to the conversion list, with automatic tab switching to "Added Files". Refactor existing components to support these features.	2025-06-07 23:44:47 +05:00
Leonid Nikitin	6e8b148c81	Made it so that you can play files through FFplay.	2025-06-07 23:43:32 +05:00
Leonid Nikitin	57637606c0	Revive the right block of the program Moved the right part of the program from the old version. Slightly reworked the structure.	2025-06-07 21:27:55 +05:00
Leonid Nikitin	c60b9f7b0c	Add FFmpeg utilities configuration UI and automated downloading Introduce a new UI for configuring FFmpeg, FFprobe, and FFplay paths with file selection and error handling. Add platform-specific logic for downloading and extracting FFmpeg binaries directly within the application, improving user experience.	2025-06-07 01:30:32 +05:00
Leonid Nikitin	b24155caf6	Refactor application structure and initialize core components I decided to rewrite the program taking into account the experience gained.	2025-06-06 14:50:16 +05:00