Remove unused image assets: icon.png and screenshot-gui-for-ffmpeg.png. Moved to assets folder.

Extended `FFplayContract` with `GetVersion` to fetch FFplay version. Implemented version extraction in `utilities` and `ffplay` to support version retrieval functionality.

.gitignore

@@ -0,0 +1,2 @@
+fyne-cross/*
+ffmpeg/*

FyneApp.toml

@@ -0,0 +1,14 @@
+Website = "https://gui-for-ffmpeg.projects.kor-elf.net/language/en"
+
+[Details]
+  Icon = "assets/icon.png"
+  Name = "GUI for FFmpeg"
+  ID = "net.kor-elf.projects.gui-for-ffmpeg"
+  Version = "1.0.1"
+  Build = 98
+
+[LinuxAndBSD]
+  GenericName = "GUI for FFmpeg"
+  Categories = ["AudioVideo", "Utility"]
+  Comment = "A simple interface for the FFmpeg console utility."
+  Keywords = ["ffmpeg", "media", "convert", "transcode", "audio", "video", "конвертер", "видео", "аудио", "кодек"]

Makefile

@@ -0,0 +1,88 @@
+VERSION ?= $(shell grep '^ *Version *= *' FyneApp.toml | sed -E "s/.*=[[:space:]]*\"([0-9\.]+)\".*/\1/")
+
+BUILD_TMP := fyne-cross/tmp
+
+WINDOWS_AMD64 := gui-for-ffmpeg-$(VERSION)-windows-amd64
+BUILD_TMP_WINDOWS_AMD64 := $(BUILD_TMP)/$(WINDOWS_AMD64)
+
+LINUX_AMD64 := gui-for-ffmpeg-$(VERSION)-linux-amd64
+BUILD_TMP_LINUX_AMD64 := $(BUILD_TMP)/$(LINUX_AMD64)
+
+RELEASES := fyne-cross/releases/$(VERSION)
+
+default:
+	# Run "make build-for-linux_amd64"
+	# Run "make build-for-windows_amd64"
+	# Build for all
+	# Run "make build"
+
+build:
+	make build-for-linux_amd64
+	make build-for-windows_amd64
+	# $(RELEASES)/$(LINUX_AMD64).tar.gz
+	# $(RELEASES)/$(LINUX_AMD64).tar.gz.sha256
+	# $(RELEASES)/$(WINDOWS_AMD64).zip
+	# $(RELEASES)/$(WINDOWS_AMD64).zip.sha256
+
+build-for-windows_amd64:
+	fyne-cross windows
+
+	@if [ -d $(BUILD_TMP_WINDOWS_AMD64) ]; then \
+		rm -rf $(BUILD_TMP_WINDOWS_AMD64)/*; \
+	else \
+		mkdir -p $(BUILD_TMP_WINDOWS_AMD64); \
+	fi
+	cp LICENSE $(BUILD_TMP_WINDOWS_AMD64)/LICENSE
+	cp LICENSE-3RD-PARTY.txt $(BUILD_TMP_WINDOWS_AMD64)/LICENSE-3RD-PARTY.txt
+	cp "fyne-cross/bin/windows-amd64/GUI for FFmpeg.exe" $(BUILD_TMP_WINDOWS_AMD64)/gui-for-ffmpeg.exe
+	cd $(BUILD_TMP) && 7z a -tzip $(WINDOWS_AMD64).zip $(WINDOWS_AMD64)
+
+	@if [ ! -d $(RELEASES) ]; then \
+		mkdir -p $(RELEASES); \
+	fi
+
+	@if [ -f $(RELEASES)/$(WINDOWS_AMD64).zip ]; then \
+		rm $(RELEASES)/$(WINDOWS_AMD64).zip; \
+	fi
+
+	@if [ -f $(RELEASES)/$(WINDOWS_AMD64).zip.sha256 ]; then \
+		rm $(RELEASES)/$(WINDOWS_AMD64).zip.sha256; \
+	fi
+
+	mv $(BUILD_TMP)/$(WINDOWS_AMD64).zip $(RELEASES)/$(WINDOWS_AMD64).zip
+	cd $(RELEASES) && sha256sum $(WINDOWS_AMD64).zip > $(WINDOWS_AMD64).zip.sha256
+	# $(RELEASES)/$(WINDOWS_AMD64).zip
+	# $(RELEASES)/$(WINDOWS_AMD64).zip.sha256
+
+build-for-linux_amd64:
+	fyne-cross linux
+
+	@if [ -d $(BUILD_TMP_LINUX_AMD64) ]; then \
+		rm -rf $(BUILD_TMP_LINUX_AMD64)/*; \
+	else \
+		mkdir -p $(BUILD_TMP_LINUX_AMD64); \
+	fi
+	cp -r dist/linux/* $(BUILD_TMP_LINUX_AMD64)/
+	cp LICENSE $(BUILD_TMP_LINUX_AMD64)/LICENSE
+	cp LICENSE-3RD-PARTY.txt $(BUILD_TMP_LINUX_AMD64)/LICENSE-3RD-PARTY.txt
+	cp fyne-cross/bin/linux-amd64/gui-for-ffmpeg $(BUILD_TMP_LINUX_AMD64)/usr/local/bin/gui-for-ffmpeg
+	cp assets/icon.png $(BUILD_TMP_LINUX_AMD64)/usr/local/share/pixmaps/gui-for-ffmpeg.png
+
+	cd $(BUILD_TMP) && tar -czvf $(LINUX_AMD64).tar.gz $(LINUX_AMD64)
+
+	@if [ ! -d $(RELEASES) ]; then \
+		mkdir -p $(RELEASES); \
+	fi
+
+	@if [ -f $(RELEASES)/$(LINUX_AMD64).tar.gz ]; then \
+		rm $(RELEASES)/$(LINUX_AMD64).tar.gz; \
+	fi
+
+	@if [ -f $(RELEASES)/$(LINUX_AMD64).tar.gz.sha256 ]; then \
+		rm $(RELEASES)/$(LINUX_AMD64).tar.gz.sha256; \
+	fi
+
+	mv $(BUILD_TMP)/$(LINUX_AMD64).tar.gz $(RELEASES)/$(LINUX_AMD64).tar.gz
+	cd $(RELEASES) && sha256sum $(LINUX_AMD64).tar.gz > $(LINUX_AMD64).tar.gz.sha256
+	# $(RELEASES)/$(LINUX_AMD64).tar.gz
+	# $(RELEASES)/$(LINUX_AMD64).tar.gz.sha256

README.md

@@ -1,5 +1,39 @@
-# ffmpeg-gui
+# GUI for FFmpeg
 
-Простенький интерфейс к программе ffmpeg.
+<p>Простенький интерфейс для консольной утилиты FFmpeg. Но я <strong>не являюсь</strong> автором самой утилиты <strong>FFmpeg</strong>.</p>
+<p><strong>FFmpeg</strong> — торговая марка <strong><a href="https://bellard.org/" target="_blank">Fabrice Bellard</a></strong>, создателя проекта <strong><a href="https://ffmpeg.org/about.html" target="_blank">FFmpeg</a></strong>.</p>
 
-<img src="images/screenshot-ffmpeg-gui.png">
+<p>Программное обеспечение является MIT (см. <a href="https://git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/branch/main/LICENSE">LICENSE</a>) и использует сторонние библиотеки, которые распространяются на их собственных условиях (см. <a href="https://git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/branch/main/LICENSE-3RD-PARTY.txt">LICENSE-3RD-PARTY.txt</a>).</p>
+
+<img src="assets/screenshot-gui-for-ffmpeg.png" alt="Скриншот программы">
+
+<p>Скачать скомпилированные готовые версии можно тут: <a href="https://git.kor-elf.net/kor-elf/gui-for-ffmpeg/releases">https://git.kor-elf.net/kor-elf/gui-for-ffmpeg/releases</a>.</p>
+
+## Установка через fyne:
+1. go install fyne.io/fyne/v2/cmd/fyne@latest
+2. fyne get git.kor-elf.net/kor-elf/gui-for-ffmpeg
+
+## Скомпилировать через Makefile:
+1. git clone https://git.kor-elf.net/kor-elf/gui-for-ffmpeg.git
+2. Переходим в папку проекта и там переходим в папку src: **cd gui-for-ffmpeg**
+3. Ознакамливаемся, что нужно ещё установить для Вашей ОС для простого запуска (через go run) тут: https://docs.fyne.io/started/
+4. go install github.com/fyne-io/fyne-cross@latest
+   * У Вас так же должен быть установлен docker
+   * О fyne-cross можно по подробней почитать тут: https://github.com/fyne-io/fyne-cross
+5. * make build-for-linux_amd64
+   * make build-for-windows_amd64
+   * Или просто **make build** 
+6. Создаться папка с архивом в **fyne-cross/releases**
+
+## Скомпилировать через исходники:
+1. git clone https://git.kor-elf.net/kor-elf/gui-for-ffmpeg.git
+2. Переходим в папку проекта и там переходим в папку src: **cd gui-for-ffmpeg**
+3. Ознакамливаемся, что нужно ещё установить для Вашей ОС для простого запуска (через go run) тут: https://docs.fyne.io/started/
+4. *(не обязательный шаг)* Просто запустить можно так: **go run main.go**
+5. go install github.com/fyne-io/fyne-cross@latest
+   * У Вас так же должен быть установлен docker
+   * О fyne-cross можно по подробней почитать тут: https://github.com/fyne-io/fyne-cross
+6. * fyne-cross windows
+   * fyne-cross linux
+7. Создаться папка **fyne-cross/dist** и там будет созданна папка с тем названием под которую Вы компилировали приложения (linux-amd64 или windows-amd64).
+8. В папке **fyne-cross/dist/linux-amd64** или **fyne-cross/dist/windows-amd64** будут архивы, которые надо распаковать и пользоваться программой.

dist/linux/Makefile

@@ -0,0 +1,39 @@
+# If PREFIX isn't provided, we check for $(DESTDIR)/usr/local and use that if it exists.
+# Otherwice we fall back to using /usr.
+
+LOCAL != test -d $(DESTDIR)/usr/local && echo -n "/local" || echo -n ""
+LOCAL ?= $(shell test -d $(DESTDIR)/usr/local && echo "/local" || echo "")
+PREFIX ?= /usr$(LOCAL)
+
+Name := "gui-for-ffmpeg"
+Exec := "gui-for-ffmpeg"
+Icon := "gui-for-ffmpeg.png"
+
+default:
+	# User install
+	# Run "make user-install" to install in ~/.local/
+	# Run "make user-uninstall" to uninstall from ~/.local/
+	#
+	# System install
+	# Run "sudo make install" to install the application.
+	# Run "sudo make uninstall" to uninstall the application.
+
+install:
+	install -Dm00644 usr/local/share/applications/$(Name).desktop $(DESTDIR)$(PREFIX)/share/applications/$(Name).desktop
+	install -Dm00755 usr/local/bin/$(Exec) $(DESTDIR)$(PREFIX)/bin/$(Exec)
+	install -Dm00644 usr/local/share/pixmaps/$(Icon) $(DESTDIR)$(PREFIX)/share/pixmaps/$(Icon)
+uninstall:
+	-rm $(DESTDIR)$(PREFIX)/share/applications/$(Name).desktop
+	-rm $(DESTDIR)$(PREFIX)/bin/$(Exec)
+	-rm $(DESTDIR)$(PREFIX)/share/pixmaps/$(Icon)
+
+user-install:
+	install -Dm00644 usr/local/share/applications/$(Name).desktop $(DESTDIR)$(HOME)/.local/share/applications/$(Name).desktop
+	install -Dm00755 usr/local/bin/$(Exec) $(DESTDIR)$(HOME)/.local/bin/$(Exec)
+	install -Dm00644 usr/local/share/pixmaps/$(Icon) $(DESTDIR)$(HOME)/.local/share/icons/$(Icon)
+	sed -i -e "s,Exec=$(Exec),Exec=$(DESTDIR)$(HOME)/.local/bin/$(Exec),g" $(DESTDIR)$(HOME)/.local/share/applications/$(Name).desktop
+
+user-uninstall:
+	-rm $(DESTDIR)$(HOME)/.local/share/applications/$(Name).desktop
+	-rm $(DESTDIR)$(HOME)/.local/bin/$(Exec)
+	-rm $(DESTDIR)$(HOME)/.local/share/icons/$(Icon)

dist/linux/Readme-eng.txt

@@ -0,0 +1,12 @@
+User install
+Run "make user-install" to install in ~/.local/
+Run "make user-uninstall" to uninstall from ~/.local/
+
+System install
+Run "sudo make install" to install the application.
+Run "sudo make uninstall" to uninstall the application.
+
+
+The program can be launched via the start menu in the Audio/Video or Standard section.
+You can also call the program via the terminal:
+gui-for-ffmpeg

dist/linux/Readme-rus.txt

@@ -0,0 +1,12 @@
+Установить для пользователя (рекомендуется)
+Запустите "make user-install" для установки в домашнюю папку ~/.local/
+Запустите "make user-uninstall" для удаления из домашней папки ~/.local/
+
+Установить для всей системы
+Запустить "sudo make install" Для установки в систему.
+Запустить "sudo make uninstall" Для удаления из системы.
+
+
+Программу можно запустить через пуск в разделе Аудио/Видео или Стандартные.
+Также можно вызвать программу через терминал:
+gui-for-ffmpeg

dist/linux/usr/local/bin/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

dist/linux/usr/local/share/applications/gui-for-ffmpeg.desktop

@@ -0,0 +1,9 @@
+[Desktop Entry]
+Type=Application
+Name=GUI for FFmpeg
+GenericName=GUI for FFmpeg
+Exec=gui-for-ffmpeg
+Icon=gui-for-ffmpeg
+Comment=A simple interface for the FFmpeg console utility.
+Categories=AudioVideo;Utility;
+Keywords=ffmpeg;media;convert;transcode;audio;video;конвертер;видео;аудио;кодек;

dist/linux/usr/local/share/pixmaps/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

go.mod

@@ -0,0 +1,45 @@
+module git.kor-elf.net/kor-elf/gui-for-ffmpeg
+
+go 1.23.0
+
+toolchain go1.23.9
+
+require (
+	fyne.io/fyne/v2 v2.6.3
+	github.com/ulikunitz/xz v0.5.13
+	golang.org/x/image v0.30.0
+	golang.org/x/text v0.28.0
+)
+
+require (
+	fyne.io/systray v1.11.0 // indirect
+	github.com/BurntSushi/toml v1.5.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fredbi/uri v1.1.1 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/fyne-io/gl-js v0.2.0 // indirect
+	github.com/fyne-io/glfw-js v0.3.0 // indirect
+	github.com/fyne-io/image v0.1.1 // indirect
+	github.com/fyne-io/oksvg v0.1.0 // indirect
+	github.com/go-gl/gl v0.0.0-20231021071112-07e5d0ea2e71 // indirect
+	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20250301202403-da16c1255728 // indirect
+	github.com/go-text/render v0.2.0 // indirect
+	github.com/go-text/typesetting v0.3.0 // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/hack-pad/go-indexeddb v0.3.2 // indirect
+	github.com/hack-pad/safejs v0.1.1 // indirect
+	github.com/jeandeaual/go-locale v0.0.0-20250612000132-0ef82f21eade // indirect
+	github.com/jsummers/gobmp v0.0.0-20230614200233-a9de23ed2e25 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
+	github.com/nicksnyder/go-i18n/v2 v2.6.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rymdport/portal v0.4.2 // indirect
+	github.com/srwiley/oksvg v0.0.0-20221011165216-be6e8873101c // indirect
+	github.com/srwiley/rasterx v0.0.0-20220730225603-2ab79fcdd4ef // indirect
+	github.com/stretchr/testify v1.10.0 // indirect
+	github.com/yuin/goldmark v1.7.13 // indirect
+	golang.org/x/net v0.43.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,106 @@
+fyne.io/fyne/v2 v2.6.1 h1:kjPJD4/rBS9m2nHJp+npPSuaK79yj6ObMTuzR6VQ1Is=
+fyne.io/fyne/v2 v2.6.1/go.mod h1:YZt7SksjvrSNJCwbWFV32WON3mE1Sr7L41D29qMZ/lU=
+fyne.io/fyne/v2 v2.6.3 h1:cvtM2KHeRuH+WhtHiA63z5wJVBkQ9+Ay0UMl9PxFHyA=
+fyne.io/fyne/v2 v2.6.3/go.mod h1:NGSurpRElVoI1G3h+ab2df3O5KLGh1CGbsMMcX0bPIs=
+fyne.io/systray v1.11.0 h1:D9HISlxSkx+jHSniMBR6fCFOUjk1x/OOOJLa9lJYAKg=
+fyne.io/systray v1.11.0/go.mod h1:RVwqP9nYMo7h5zViCBHri2FgjXF7H2cub7MAq4NSoLs=
+github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
+github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/felixge/fgprof v0.9.3 h1:VvyZxILNuCiUCSXtPtYmmtGvb65nqXh2QFWc0Wpf2/g=
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+github.com/fredbi/uri v1.1.0 h1:OqLpTXtyRg9ABReqvDGdJPqZUxs8cyBDOMXBbskCaB8=
+github.com/fredbi/uri v1.1.0/go.mod h1:aYTUoAXBOq7BLfVJ8GnKmfcuURosB1xyHDIfWeC/iW4=
+github.com/fredbi/uri v1.1.1 h1:xZHJC08GZNIUhbP5ImTHnt5Ya0T8FI2VAwI/37kh2Ko=
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+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
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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()
+	}
+}

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
+}

internal/application/convertor/encoder/encoder.go

@@ -0,0 +1,84 @@
+package encoder
+
+import (
+	"errors"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+type ConvertorFormatContract interface {
+	GetTitle() string
+	AddEncoder(encoder encoder.EncoderDataContract)
+	GetFileType() encoder.FileTypeContract
+	GetEncoders() map[int]encoder.EncoderDataContract
+}
+
+type ConvertorFormat struct {
+	title    string
+	fileType encoder.FileTypeContract
+	encoders map[int]encoder.EncoderDataContract
+}
+
+func NewConvertorFormat(title string, fileType encoder.FileTypeContract) ConvertorFormatContract {
+	return &ConvertorFormat{
+		title:    title,
+		fileType: fileType,
+		encoders: map[int]encoder.EncoderDataContract{},
+	}
+}
+
+func (f *ConvertorFormat) GetTitle() string {
+	return f.title
+}
+
+func (f *ConvertorFormat) AddEncoder(encoder encoder.EncoderDataContract) {
+	f.encoders[len(f.encoders)] = encoder
+}
+
+func (f *ConvertorFormat) GetEncoders() map[int]encoder.EncoderDataContract {
+	return f.encoders
+}
+
+func (f *ConvertorFormat) GetFileType() encoder.FileTypeContract {
+	return f.fileType
+}
+
+type ConvertorFormatsContract interface {
+	NewEncoder(encoderName string) bool
+	GetFormats() map[string]ConvertorFormatContract
+	GetFormat(format string) (ConvertorFormatContract, error)
+}
+
+type ConvertorFormats struct {
+	formats map[string]ConvertorFormatContract
+}
+
+func NewConvertorFormats() ConvertorFormatsContract {
+	return &ConvertorFormats{
+		formats: map[string]ConvertorFormatContract{},
+	}
+}
+
+func (f *ConvertorFormats) NewEncoder(encoderName string) bool {
+	if supportEncoders[encoderName] == nil {
+		return false
+	}
+	data := supportEncoders[encoderName]()
+	for _, format := range data.GetFormats() {
+		if f.formats[format] == nil {
+			f.formats[format] = NewConvertorFormat(format, data.GetFileType())
+		}
+		f.formats[format].AddEncoder(data)
+	}
+	return true
+}
+
+func (f *ConvertorFormats) GetFormats() map[string]ConvertorFormatContract {
+	return f.formats
+}
+
+func (f *ConvertorFormats) GetFormat(format string) (ConvertorFormatContract, error) {
+	if f.formats[format] == nil {
+		return &ConvertorFormat{}, errors.New("not found ConvertorFormat")
+	}
+	return f.formats[format], nil
+}

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,
+}

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
+}

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
+}

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)
+	}
+}

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)
+}

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)
+}

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)
+}

internal/application/setting/theme.go

@@ -0,0 +1,112 @@
+package setting
+
+import (
+	"image/color"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/theme"
+)
+
+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" {
+		// In the new version of Fyne the theme color changes incorrectly if it is set to 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)
+}

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
+}

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)
+}

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("GUI for FFmpeg")
+	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()
+}

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()
+}

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()
+}

internal/ffmpeg/download/gui/download_linux.go

@@ -0,0 +1,59 @@
+//go:build linux
+// +build linux
+
+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 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}
+
+	progressDownloadFFmpegMessage := canvas.NewText("", color.RGBA{R: 49, G: 127, B: 114, A: 255})
+	progressDownloadFFmpegMessage.TextSize = 16
+	progressDownloadFFmpegMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	progressBar := widget.NewProgressBar()
+
+	var buttonDownloadFFmpeg *widget.Button
+
+	buttonDownloadFFmpeg = widget.NewButton(lang.L("download"), func() {
+		fyne.Do(func() {
+			buttonDownloadFFmpeg.Disable()
+		})
+		go func() {
+			err := donwloadFFmpeg(progressBar, progressDownloadFFmpegMessage)
+			if err != nil {
+				errorDownloadFFmpegMessage.Text = err.Error()
+			}
+			fyne.Do(func() {
+				buttonDownloadFFmpeg.Enable()
+			})
+		}()
+
+	})
+
+	downloadFFmpegFromSiteMessage := lang.L("downloadFFmpegFromSite")
+
+	return container.NewVBox(
+		canvas.NewLine(colornames.Darkgreen),
+		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,
+			container.NewHScroll(errorDownloadFFmpegMessage),
+			progressDownloadFFmpegMessage,
+			progressBar,
+		)),
+	)
+}

internal/ffmpeg/download/gui/download_windows.go

@@ -0,0 +1,59 @@
+//go:build windows
+// +build windows
+
+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 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}
+
+	progressDownloadFFmpegMessage := canvas.NewText("", color.RGBA{R: 49, G: 127, B: 114, A: 255})
+	progressDownloadFFmpegMessage.TextSize = 16
+	progressDownloadFFmpegMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	progressBar := widget.NewProgressBar()
+
+	var buttonDownloadFFmpeg *widget.Button
+
+	buttonDownloadFFmpeg = widget.NewButton(lang.L("download"), func() {
+
+		go func() {
+			fyne.Do(func() {
+				buttonDownloadFFmpeg.Disable()
+			})
+			err := donwloadFFmpeg(progressBar, progressDownloadFFmpegMessage)
+			if err != nil {
+				errorDownloadFFmpegMessage.Text = err.Error()
+			}
+			fyne.Do(func() {
+				buttonDownloadFFmpeg.Enable()
+			})
+		}()
+	})
+
+	downloadFFmpegFromSiteMessage := lang.L("downloadFFmpegFromSite")
+
+	return container.NewVBox(
+		canvas.NewLine(colornames.Darkgreen),
+		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,
+			container.NewHScroll(errorDownloadFFmpegMessage),
+			progressDownloadFFmpegMessage,
+			progressBar,
+		)),
+	)
+}

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
+	})
+}

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
+}

internal/ffmpeg/download/service/download_linux.go

@@ -0,0 +1,236 @@
+//go:build linux
+// +build linux
+
+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/internal/application"
+	"github.com/ulikunitz/xz"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+func startDownload(app application.AppContract, progressBar *widget.ProgressBar, progressMessage *canvas.Text, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) error {
+	var err error
+
+	dir, err := localSharePath()
+	if err != nil {
+		return err
+	}
+	dir = filepath.Join(dir, "fyne", app.FyneApp().UniqueID())
+	err = os.MkdirAll(dir, 0755)
+	if err != nil {
+		return err
+	}
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("downloadRun")
+		progressMessage.Refresh()
+	})
+	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
+	}
+
+	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 = 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
+	}
+
+	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
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return err
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	f, err := os.OpenFile(filepath, os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	buf := make([]byte, 32*1024)
+	var downloaded int64
+	for {
+		n, err := resp.Body.Read(buf)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		if n > 0 {
+			f.Write(buf[:n])
+			downloaded += int64(n)
+			progressBar.Value = float64(downloaded) / float64(resp.ContentLength) * 100
+			fyne.Do(func() {
+				progressBar.Refresh()
+			})
+		}
+	}
+	return nil
+}
+
+func unTarXz(fileTar string, directory string, progressBar *widget.ProgressBar) error {
+	progressBar.Value = 0
+	progressBar.Max = 100
+
+	fyne.Do(func() {
+		progressBar.Refresh()
+	})
+
+	f, err := os.Open(fileTar)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	xzReader, err := xz.NewReader(f)
+	if err != nil {
+		return err
+	}
+
+	tarReader := tar.NewReader(xzReader)
+
+	totalFiles := 0
+	for {
+		_, err := tarReader.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+		totalFiles++
+	}
+
+	// Rewind back to the beginning of the file to re-process
+	_, err = f.Seek(0, 0)
+	if err != nil {
+		return err
+	}
+
+	xzReader, err = xz.NewReader(f)
+	if err != nil {
+		return err
+	}
+
+	tarReader = tar.NewReader(xzReader)
+
+	// We count the number of files already unpacked
+	unpackedFiles := 0
+
+	for {
+		header, err := tarReader.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		targetPath := filepath.Join(directory, header.Name)
+		switch header.Typeflag {
+		case tar.TypeDir:
+			err := os.MkdirAll(targetPath, 0755)
+			if err != nil {
+				return err
+			}
+		case tar.TypeReg:
+			outFile, err := os.Create(targetPath)
+			if err != nil {
+				return err
+			}
+			defer outFile.Close()
+
+			_, err = io.Copy(outFile, tarReader)
+
+			if err != nil {
+				return err
+			}
+		default:
+			return errors.New("unsupported file type")
+		}
+
+		unpackedFiles++
+		progressBar.Value = float64(unpackedFiles) / float64(totalFiles) * 100
+		fyne.Do(func() {
+			progressBar.Refresh()
+		})
+	}
+
+	ffmpegPath := filepath.Join(directory, "ffmpeg-master-latest-linux64-gpl", "bin", "ffmpeg")
+	err = os.Chmod(ffmpegPath, 0755)
+	if err != nil {
+		return err
+	}
+
+	ffprobePath := filepath.Join(directory, "ffmpeg-master-latest-linux64-gpl", "bin", "ffprobe")
+	err = os.Chmod(ffprobePath, 0755)
+	if err != nil {
+		return err
+	}
+
+	ffplayPath := filepath.Join(directory, "ffmpeg-master-latest-linux64-gpl", "bin", "ffplay")
+	err = os.Chmod(ffplayPath, 0755)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

internal/ffmpeg/download/service/download_windows.go

@@ -0,0 +1,175 @@
+//go:build windows
+// +build windows
+
+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/internal/application"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func startDownload(app application.AppContract, progressBar *widget.ProgressBar, progressMessage *canvas.Text, save func(ffmpegPath string, ffprobePath string, ffplayPath string) error) error {
+	var err error
+
+	dir := os.Getenv("APPDATA")
+	dir = filepath.Join(dir, "fyne", app.FyneApp().UniqueID())
+	err = os.MkdirAll(dir, 0755)
+	if err != nil {
+		return err
+	}
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("downloadRun")
+		progressMessage.Refresh()
+	})
+	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
+	}
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("unzipRun")
+		progressMessage.Refresh()
+	})
+	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
+	}
+
+	fyne.Do(func() {
+		progressMessage.Text = lang.L("completedQueue")
+		progressMessage.Refresh()
+	})
+
+	return nil
+}
+
+func downloadFile(filepath string, url string, progressBar *widget.ProgressBar) (err error) {
+	progressBar.Value = 0
+	progressBar.Max = 100
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return err
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	f, err := os.OpenFile(filepath, os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	buf := make([]byte, 32*1024)
+	var downloaded int64
+	for {
+		n, err := resp.Body.Read(buf)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		if n > 0 {
+			f.Write(buf[:n])
+			downloaded += int64(n)
+			progressBar.Value = float64(downloaded) / float64(resp.ContentLength) * 100
+			fyne.Do(func() {
+				progressBar.Refresh()
+			})
+		}
+	}
+	return nil
+}
+
+func unZip(fileZip string, directory string, progressBar *widget.ProgressBar) error {
+	progressBar.Value = 0
+	progressBar.Max = 100
+
+	fyne.Do(func() {
+		progressBar.Refresh()
+	})
+
+	archive, err := zip.OpenReader(fileZip)
+	if err != nil {
+		return err
+	}
+	defer archive.Close()
+
+	totalBytes := int64(0)
+	for _, f := range archive.File {
+		totalBytes += int64(f.UncompressedSize64)
+	}
+
+	unpackedBytes := int64(0)
+
+	for _, f := range archive.File {
+		filePath := filepath.Join(directory, f.Name)
+
+		if !strings.HasPrefix(filePath, filepath.Clean(directory)+string(os.PathSeparator)) {
+			return errors.New("invalid file path")
+		}
+		if f.FileInfo().IsDir() {
+			os.MkdirAll(filePath, os.ModePerm)
+			continue
+		}
+
+		if err := os.MkdirAll(filepath.Dir(filePath), os.ModePerm); err != nil {
+			return err
+		}
+
+		dstFile, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+		if err != nil {
+			return err
+		}
+
+		fileInArchive, err := f.Open()
+		if err != nil {
+			return err
+		}
+
+		bytesRead, err := io.Copy(dstFile, fileInArchive)
+		if err != nil {
+			return err
+		}
+
+		unpackedBytes += bytesRead
+		progressBar.Value = float64(unpackedBytes) / float64(totalBytes) * 100
+		fyne.Do(func() {
+			progressBar.Refresh()
+		})
+
+		dstFile.Close()
+		fileInArchive.Close()
+	}
+
+	return nil
+}

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)
+}

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)
+}

internal/ffmpeg/encoder/encoder.go

@@ -0,0 +1,169 @@
+package encoder
+
+import "errors"
+
+type EncoderContract interface {
+	GetName() string
+	GetParams() []string
+	GetParameter(name string) (ParameterContract, error)
+}
+
+type ParameterContract interface {
+	GetName() string
+	Set(string) error
+	Get() string
+	IsEnabled() bool
+	SetEnable()
+	SetDisable()
+}
+
+type EncoderDataContract interface {
+	GetTitle() string
+	GetFormats() []string
+	GetFileType() FileTypeContract
+	NewEncoder() EncoderContract
+}
+
+type data struct {
+	title    string
+	formats  []string
+	fileType FileTypeContract
+	encoder  func() EncoderContract
+}
+
+func NewData(title string, formats []string, fileType FileTypeContract, encoder func() EncoderContract) EncoderDataContract {
+	return &data{
+		title:    title,
+		formats:  formats,
+		fileType: fileType,
+		encoder:  encoder,
+	}
+}
+
+func (data *data) GetTitle() string {
+	return data.title
+}
+
+func (data *data) GetFormats() []string {
+	return data.formats
+}
+
+func (data *data) NewEncoder() EncoderContract {
+	return data.encoder()
+}
+
+func (data *data) GetFileType() FileTypeContract {
+	return data.fileType
+}
+
+type FileTypeContract interface {
+	Name() string
+	Ordinal() int
+}
+
+const (
+	Video = iota
+	Audio
+	Image
+)
+
+type FileType uint
+
+var fileTypeStrings = []string{
+	"video",
+	"audio",
+	"image",
+}
+
+func (fileType FileType) Name() string {
+	return fileTypeStrings[fileType]
+}
+
+func (fileType FileType) Ordinal() int {
+	return int(fileType)
+}
+
+func GetListFileType() []FileTypeContract {
+	return []FileTypeContract{
+		FileType(Video),
+		FileType(Audio),
+		FileType(Image),
+	}
+}
+
+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) EncoderContract {
+	return &encoder{
+		name:       name,
+		parameters: parameters,
+		getParams:  getParams,
+	}
+}
+
+func (e *encoder) GetName() string {
+	return e.name
+}
+
+func (e *encoder) GetParams() []string {
+	return e.getParams(e.parameters)
+}
+
+func (e *encoder) GetParameter(name string) (ParameterContract, error) {
+	if e.parameters[name] == nil {
+		return nil, errors.New("parameter not found")
+	}
+
+	return e.parameters[name], nil
+}
+
+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)) ParameterContract {
+	return &parameter{
+		name:         name,
+		isEnabled:    isEnabled,
+		parameter:    defaultParameter,
+		setParameter: setParameter,
+	}
+}
+
+func (p *parameter) GetName() string {
+	return p.name
+}
+
+func (p *parameter) Set(s string) (err error) {
+	if p.setParameter != nil {
+		s, err = p.setParameter(s)
+		if err != nil {
+			return err
+		}
+	}
+	p.parameter = s
+	return nil
+}
+
+func (p *parameter) Get() string {
+	return p.parameter
+}
+
+func (p *parameter) IsEnabled() bool {
+	return p.isEnabled
+}
+
+func (p *parameter) SetEnable() {
+	p.isEnabled = true
+}
+
+func (p *parameter) SetDisable() {
+	p.isEnabled = false
+}

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)
+}

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)
+}

internal/ffmpeg/encoder/h264_nvenc/encoder.go

@@ -0,0 +1,58 @@
+package h264_nvenc
+
+import (
+	"errors"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+var Presets = []string{
+	"default",
+	"slow",
+	"medium",
+	"fast",
+	"hp",
+	"hq",
+	"bd",
+	"ll",
+	"llhq",
+	"llhp",
+	"lossless",
+	"losslesshp",
+}
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
+		"preset": newParameterPreset(),
+	}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		params := []string{"-c:v", "h264_nvenc"}
+
+		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
+			params = append(params, "-preset", parameters["preset"].Get())
+		}
+
+		return params
+	}
+
+	return encoder.NewEncoder("h264_nvenc", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "h264_nvenc"
+	formats := []string{"mp4"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
+
+func newParameterPreset() encoder.ParameterContract {
+	setParameter := func(s string) (string, error) {
+		for _, value := range Presets {
+			if value == s {
+				return value, nil
+			}
+		}
+
+		return "", errors.New("preset not found")
+	}
+	return encoder.NewParameter("preset", false, "default", setParameter)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

internal/ffmpeg/encoder/libx264/encoder.go

@@ -0,0 +1,56 @@
+package libx264
+
+import (
+	"errors"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+var Presets = []string{
+	"ultrafast",
+	"superfast",
+	"veryfast",
+	"faster",
+	"fast",
+	"medium",
+	"slow",
+	"slower",
+	"veryslow",
+	"placebo",
+}
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
+		"preset": newParameterPreset(),
+	}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		params := []string{"-c:v", "libx264"}
+
+		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
+			params = append(params, "-preset", parameters["preset"].Get())
+		}
+
+		return params
+	}
+
+	return encoder.NewEncoder("libx264", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libx264"
+	formats := []string{"mp4"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
+
+func newParameterPreset() encoder.ParameterContract {
+	setParameter := func(s string) (string, error) {
+		for _, value := range Presets {
+			if value == s {
+				return value, nil
+			}
+		}
+
+		return "", errors.New("preset not found")
+	}
+	return encoder.NewParameter("preset", false, "medium", setParameter)
+}

internal/ffmpeg/encoder/libx265/encoder.go

@@ -0,0 +1,56 @@
+package libx265
+
+import (
+	"errors"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+)
+
+var Presets = []string{
+	"ultrafast",
+	"superfast",
+	"veryfast",
+	"faster",
+	"fast",
+	"medium",
+	"slow",
+	"slower",
+	"veryslow",
+	"placebo",
+}
+
+func NewEncoder() encoder.EncoderContract {
+	parameters := map[string]encoder.ParameterContract{
+		"preset": newParameterPreset(),
+	}
+	getParams := func(parameters map[string]encoder.ParameterContract) []string {
+		params := []string{"-c:v", "libx265"}
+
+		if parameters["preset"] != nil && parameters["preset"].IsEnabled() {
+			params = append(params, "-preset", parameters["preset"].Get())
+		}
+
+		return params
+	}
+
+	return encoder.NewEncoder("libx265", parameters, getParams)
+}
+
+func NewData() encoder.EncoderDataContract {
+	title := "libx265"
+	formats := []string{"mp4"}
+	fileType := encoder.FileType(encoder.Video)
+	return encoder.NewData(title, formats, fileType, NewEncoder)
+}
+
+func newParameterPreset() encoder.ParameterContract {
+	setParameter := func(s string) (string, error) {
+		for _, value := range Presets {
+			if value == s {
+				return value, nil
+			}
+		}
+
+		return "", errors.New("preset not found")
+	}
+	return encoder.NewParameter("preset", false, "medium", setParameter)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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)
+}

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
+}

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
+}

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
+}

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
+}

internal/gui/menu/main.go

@@ -0,0 +1,29 @@
+package menu
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+)
+
+func MainMenuSettings(
+	actionMainSettings func(),
+	actionFFPathSelection func(),
+) *fyne.Menu {
+	quit := fyne.NewMenuItem(lang.L("exit"), nil)
+	quit.IsQuit = true
+
+	settingsSelection := fyne.NewMenuItem(lang.L("settings"), actionMainSettings)
+	ffPathSelection := fyne.NewMenuItem(lang.L("changeFFPath"), actionFFPathSelection)
+
+	return fyne.NewMenu(lang.L("settings"), settingsSelection, ffPathSelection, quit)
+}
+
+func MainMenuHelp(
+	actionAbout func(),
+	actionHelpFFplay func(),
+) *fyne.Menu {
+	about := fyne.NewMenuItem(lang.L("about"), actionAbout)
+	helpFFplay := fyne.NewMenuItem(lang.L("helpFFplay"), actionHelpFFplay)
+
+	return fyne.NewMenu(lang.L("help"), helpFFplay, about)
+}

internal/gui/view/about.go

@@ -0,0 +1,607 @@
+package view
+
+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"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/resources"
+	"golang.org/x/image/colornames"
+	"net/url"
+)
+
+func About(appVersion string, ffmpegVersion string, ffprobeVersion string, ffplayVersion string) fyne.CanvasObject {
+	programmName := canvas.NewText(" GUI for FFmpeg", colornames.Darkgreen)
+	programmName.TextStyle = fyne.TextStyle{Bold: true}
+	programmName.TextSize = 20
+
+	programmLink := widget.NewHyperlink(
+		lang.L("programmLink"),
+		&url.URL{
+			Scheme: "https",
+			Host:   "gui-for-ffmpeg.projects.kor-elf.net",
+			Path:   "/",
+		},
+	)
+
+	licenseLink := widget.NewHyperlink(
+		lang.L("licenseLink"),
+		&url.URL{
+			Scheme: "https",
+			Host:   "git.kor-elf.net",
+			Path:   "kor-elf/gui-for-ffmpeg/src/branch/main/LICENSE",
+		},
+	)
+
+	licenseLinkOther := widget.NewHyperlink(
+		lang.L("licenseLinkOther"),
+		&url.URL{
+			Scheme: "https",
+			Host:   "git.kor-elf.net",
+			Path:   "kor-elf/gui-for-ffmpeg/src/branch/main/LICENSE-3RD-PARTY.txt",
+		},
+	)
+
+	programmVersion := widget.NewRichTextFromMarkdown(
+		lang.L(
+			"programmVersion",
+			map[string]any{"Version": appVersion},
+		),
+	)
+
+	aboutText := widget.NewRichText(
+		&widget.TextSegment{
+			Text: lang.L("aboutText"),
+		},
+	)
+	image := canvas.NewImageFromResource(resources.IconAppLogoResource())
+	image.SetMinSize(fyne.Size{Width: 100, Height: 100})
+	image.FillMode = canvas.ImageFillContain
+
+	ffmpegTrademark := widget.NewRichTextFromMarkdown(lang.L("ffmpegTrademark"))
+	ffmpegLGPL := widget.NewRichTextFromMarkdown(lang.L("ffmpegLGPL"))
+
+	return container.NewScroll(container.NewVBox(
+		container.NewBorder(nil, nil, container.NewVBox(image), nil, container.NewVBox(
+			programmName,
+			programmVersion,
+			aboutText,
+			ffmpegTrademark,
+			ffmpegLGPL,
+			widget.NewRichTextFromMarkdown("Copyright (c) 2024 **[Leonid Nikitin (kor-elf)](https://git.kor-elf.net/kor-elf/)**."),
+			container.NewHBox(programmLink, licenseLink),
+			container.NewHBox(licenseLinkOther),
+		)),
+		aboutFFmpeg(ffmpegVersion),
+		aboutFFprobe(ffprobeVersion),
+		aboutFFplay(ffplayVersion),
+		widget.NewCard(lang.L("AlsoUsedProgram"), "", license3RDParty()),
+	))
+}
+
+func aboutFFmpeg(version string) *fyne.Container {
+	programmName := canvas.NewText(" FFmpeg", colornames.Darkgreen)
+	programmName.TextStyle = fyne.TextStyle{Bold: true}
+	programmName.TextSize = 20
+
+	programmLink := widget.NewHyperlink(lang.L("programmLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "",
+	})
+
+	licenseLink := widget.NewHyperlink(lang.L("licenseLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "legal.html",
+	})
+
+	return container.NewVBox(
+		programmName,
+		widget.NewLabel(version),
+		widget.NewRichTextFromMarkdown("**FFmpeg** is a trademark of **[Fabrice Bellard](https://bellard.org/)**, originator of the **[FFmpeg](https://ffmpeg.org/about.html)** project."),
+		widget.NewRichTextFromMarkdown("This software uses libraries from the **FFmpeg** project under the **[LGPLv2.1](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)**."),
+		container.NewHBox(programmLink, licenseLink),
+	)
+}
+
+func aboutFFprobe(version string) *fyne.Container {
+	programmName := canvas.NewText(" FFprobe", colornames.Darkgreen)
+	programmName.TextStyle = fyne.TextStyle{Bold: true}
+	programmName.TextSize = 20
+
+	programmLink := widget.NewHyperlink(lang.L("programmLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "ffprobe.html",
+	})
+
+	licenseLink := widget.NewHyperlink(lang.L("licenseLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "legal.html",
+	})
+
+	return container.NewVBox(
+		programmName,
+		widget.NewLabel(version),
+		widget.NewRichTextFromMarkdown("**FFmpeg** is a trademark of **[Fabrice Bellard](https://bellard.org/)**, originator of the **[FFmpeg](https://ffmpeg.org/about.html)** project."),
+		widget.NewRichTextFromMarkdown("This software uses libraries from the **FFmpeg** project under the **[LGPLv2.1](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)**."),
+		container.NewHBox(programmLink, licenseLink),
+	)
+}
+
+func aboutFFplay(version string) *fyne.Container {
+	programmName := canvas.NewText(" FFplay", colornames.Darkgreen)
+	programmName.TextStyle = fyne.TextStyle{Bold: true}
+	programmName.TextSize = 20
+
+	programmLink := widget.NewHyperlink(lang.L("programmLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "ffplay.html",
+	})
+
+	licenseLink := widget.NewHyperlink(lang.L("licenseLink"), &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "legal.html",
+	})
+
+	return container.NewVBox(
+		programmName,
+		widget.NewLabel(version),
+		widget.NewRichTextFromMarkdown("**FFmpeg** is a trademark of **[Fabrice Bellard](https://bellard.org/)**, originator of the **[FFmpeg](https://ffmpeg.org/about.html)** project."),
+		widget.NewRichTextFromMarkdown("This software uses libraries from the **FFmpeg** project under the **[LGPLv2.1](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)**."),
+		container.NewHBox(programmLink, licenseLink),
+	)
+}
+
+func license3RDParty() *fyne.Container {
+	return container.NewVBox(
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("fyne.io/fyne/v2", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/fyne",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/fyne/blob/master/LICENSE",
+		})),
+		widget.NewRichTextFromMarkdown("Copyright (C) 2018 Fyne.io developers (see [AUTHORS](https://github.com/fyne-io/fyne/blob/master/AUTHORS))"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("fyne.io/systray", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/systray",
+		})),
+		container.NewHBox(widget.NewHyperlink("Apache License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/systray/blob/master/LICENSE",
+		})),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/BurntSushi/toml", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "BurntSushi/toml",
+		})),
+		container.NewHBox(widget.NewHyperlink("The MIT License (MIT)", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "BurntSushi/toml/blob/master/COPYING",
+		})),
+		widget.NewLabel("Copyright (c) 2013 TOML authors"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/davecgh/go-spew", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "davecgh/go-spew",
+		})),
+		container.NewHBox(widget.NewHyperlink("ISC License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "davecgh/go-spew/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2012-2016 Dave Collins <dave@davec.name>"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fredbi/uri", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fredbi/uri",
+		})),
+		container.NewHBox(widget.NewHyperlink("The MIT License (MIT)", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fredbi/uri/blob/master/LICENSE.md",
+		})),
+		widget.NewLabel("Copyright (c) 2018 Frederic Bidon"),
+		widget.NewLabel("Copyright (c) 2015 Trey Tacon"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fsnotify/fsnotify", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fsnotify/fsnotify",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD-3-Clause license", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fsnotify/fsnotify/blob/main/LICENSE",
+		})),
+		widget.NewLabel("Copyright © 2012 The Go Authors. All rights reserved."),
+		widget.NewLabel("Copyright © fsnotify Authors. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fyne-io/gl-js", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/gl-js",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD-3-Clause license", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/gl-js/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2009 The Go Authors. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fyne-io/glfw-js", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/glfw-js",
+		})),
+		container.NewHBox(widget.NewHyperlink("MIT License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/glfw-js/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2014 Dmitri Shuralyov"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fyne-io/image", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/image",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/image/blob/main/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2022, Fyne.io"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/fyne-io/oksvg", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/oksvg",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "fyne-io/oksvg/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2018, Steven R Wiley. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/go-gl/gl", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-gl/gl",
+		})),
+		container.NewHBox(widget.NewHyperlink("The MIT License (MIT)", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-gl/gl/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2014 Eric Woroshow"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/go-gl/glfw/v3.3/glfw", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-gl/glfw/",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD-3-Clause license", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-gl/glfw/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2012 The glfw3-go Authors. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/go-text/render", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-text/render",
+		})),
+		container.NewHBox(widget.NewHyperlink("Unlicense OR BSD-3-Clause", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-text/render/blob/main/LICENSE",
+		})),
+		widget.NewLabel("Copyright 2021 The go-text authors"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/go-text/typesetting", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-text/typesetting",
+		})),
+		container.NewHBox(widget.NewHyperlink("Unlicense OR BSD-3-Clause", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-text/typesetting/blob/main/LICENSE",
+		})),
+		widget.NewLabel("Copyright 2021 The go-text authors"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/godbus/dbus/v5", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "godbus/dbus",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 2-Clause \"Simplified\" License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "godbus/dbus/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2013, Georg Reinke (<guelfey at gmail dot com>), Google. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/hack-pad/go-indexeddb", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "hack-pad/go-indexeddb",
+		})),
+		container.NewHBox(widget.NewHyperlink("Apache License 2.0", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "hack-pad/go-indexeddb/blob/main/LICENSE",
+		})),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/hack-pad/safejs", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "hack-pad/safejs",
+		})),
+		container.NewHBox(widget.NewHyperlink("Apache License 2.0", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "hack-pad/safejs/blob/main/LICENSE",
+		})),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/jeandeaual/go-locale", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "jeandeaual/go-locale",
+		})),
+		container.NewHBox(widget.NewHyperlink("MIT License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "jeandeaual/go-locale/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2020 Alexis Jeandeau"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/jsummers/gobmp", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "jsummers/gobmp",
+		})),
+		container.NewHBox(widget.NewHyperlink("The MIT License (MIT)", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "jsummers/gobmp/blob/master/COPYING.txt",
+		})),
+		widget.NewLabel("Copyright (c) 2012-2015 Jason Summers"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/nfnt/resize", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "nfnt/resize",
+		})),
+		container.NewHBox(widget.NewHyperlink("ISC License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "nfnt/resize/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2012, Jan Schlicht <jan.schlicht@gmail.com>"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/nicksnyder/go-i18n/v2", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "nicksnyder/go-i18n",
+		})),
+		container.NewHBox(widget.NewHyperlink("The MIT License (MIT)", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "nicksnyder/go-i18n/blob/main/LICENSE",
+		})),
+		widget.NewRichTextFromMarkdown("Copyright (c) 2014 Nick Snyder [https://github.com/nicksnyder](https://github.com/nicksnyder)"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/pmezard/go-difflib", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "pmezard/go-difflib",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "pmezard/go-difflib/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2013, Patrick Mezard. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/rymdport/portal", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "rymdport/portal",
+		})),
+		container.NewHBox(widget.NewHyperlink("Apache License 2.0", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "rymdport/portal/blob/main/LICENSE",
+		})),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/srwiley/oksvg", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "srwiley/oksvg",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "srwiley/oksvg/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2018, Steven R Wiley. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/srwiley/rasterx", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "srwiley/rasterx",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "srwiley/rasterx/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2018, Steven R Wiley. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/stretchr/testify", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "stretchr/testify",
+		})),
+		container.NewHBox(widget.NewHyperlink("MIT License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "stretchr/testify/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2012-2020 Mat Ryer, Tyler Bunnell and contributors."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/ulikunitz/xz", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "ulikunitz/xz",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "ulikunitz/xz/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2014-2022 Ulrich Kunitz. All rights reserved."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/yuin/goldmark", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "yuin/goldmark",
+		})),
+		container.NewHBox(widget.NewHyperlink("MIT License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "yuin/goldmark/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2019 Yusuke Inuzuka"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("golang.org/x/image", &url.URL{
+			Scheme: "https",
+			Host:   "pkg.go.dev",
+			Path:   "golang.org/x/image",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "cs.opensource.google",
+			Path:   "go/x/image/+/master:LICENSE",
+		})),
+		widget.NewLabel("Copyright 2009 The Go Authors."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("golang.org/x/net", &url.URL{
+			Scheme: "https",
+			Host:   "pkg.go.dev",
+			Path:   "golang.org/x/net",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "cs.opensource.google",
+			Path:   "go/x/net/+/master:LICENSE",
+		})),
+		widget.NewLabel("Copyright 2009 The Go Authors."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("golang.org/x/sys", &url.URL{
+			Scheme: "https",
+			Host:   "pkg.go.dev",
+			Path:   "golang.org/x/sys",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "cs.opensource.google",
+			Path:   "go/x/sys/+/master:LICENSE",
+		})),
+		widget.NewLabel("Copyright 2009 The Go Authors."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("golang.org/x/text", &url.URL{
+			Scheme: "https",
+			Host:   "pkg.go.dev",
+			Path:   "golang.org/x/text",
+		})),
+		container.NewHBox(widget.NewHyperlink("License", &url.URL{
+			Scheme: "https",
+			Host:   "cs.opensource.google",
+			Path:   "go/x/text/+/master:LICENSE",
+		})),
+		widget.NewLabel("Copyright 2009 The Go Authors."),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("gopkg.in/yaml.v3", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "go-yaml/yaml/tree/v3.0.1",
+		})),
+		container.NewHBox(widget.NewHyperlink("MIT License and Apache License 2.0", &url.URL{
+			Scheme: "http",
+			Host:   "github.com",
+			Path:   "go-yaml/yaml/blob/v3.0.1/LICENSE",
+		})),
+		widget.NewLabel("Copyright (c) 2006-2010 Kirill Simonov"),
+		widget.NewLabel("Copyright (c) 2006-2011 Kirill Simonov"),
+		widget.NewLabel("Copyright (c) 2011-2019 Canonical Ltd"),
+		canvas.NewLine(colornames.Darkgreen),
+
+		container.NewHBox(widget.NewHyperlink("github.com/golang/go", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "golang/go",
+		})),
+		container.NewHBox(widget.NewHyperlink("BSD 3-Clause \"New\" or \"Revised\" License", &url.URL{
+			Scheme: "https",
+			Host:   "github.com",
+			Path:   "golang/go/blob/master/LICENSE",
+		})),
+		widget.NewLabel("Copyright 2009 The Go Authors."),
+		canvas.NewLine(colornames.Darkgreen),
+	)
+}

internal/gui/view/configuring_ffmpeg_utilities.go

@@ -0,0 +1,129 @@
+package view
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/storage"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/window"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+	"image/color"
+	"net/url"
+	"path/filepath"
+)
+
+func ConfiguringFFmpegUtilities(
+	window window.WindowContract,
+	currentPathFFmpeg string,
+	currentPathFFprobe string,
+	currentPathFFplay string,
+	save func(ffmpegPath string, ffprobePath string, ffplayPath string) error,
+	cancel func(),
+	donwloadFFmpeg fyne.CanvasObject,
+) fyne.CanvasObject {
+	errorMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
+	errorMessage.TextSize = 16
+	errorMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	link := widget.NewHyperlink("https://ffmpeg.org/download.html", &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "download.html",
+	})
+
+	ffmpegPath, buttonFFmpeg, buttonFFmpegMessage := configuringFFmpegUtilitiesButtonSelectFile(window, currentPathFFmpeg)
+	ffprobePath, buttonFFprobe, buttonFFprobeMessage := configuringFFmpegUtilitiesButtonSelectFile(window, currentPathFFprobe)
+	ffplayPath, buttonFFplay, buttonFFplayMessage := configuringFFmpegUtilitiesButtonSelectFile(window, currentPathFFplay)
+
+	form := &widget.Form{
+		Items: []*widget.FormItem{
+			{
+				Text:   lang.L("titleDownloadLink"),
+				Widget: link,
+			},
+			{
+				Text:   lang.L("pathToFfmpeg"),
+				Widget: buttonFFmpeg,
+			},
+			{
+				Widget: container.NewHScroll(buttonFFmpegMessage),
+			},
+			{
+				Text:   lang.L("pathToFfprobe"),
+				Widget: buttonFFprobe,
+			},
+			{
+				Widget: container.NewHScroll(buttonFFprobeMessage),
+			},
+			{
+				Text:   lang.L("pathToFfplay"),
+				Widget: buttonFFplay,
+			},
+			{
+				Widget: container.NewHScroll(buttonFFplayMessage),
+			},
+			{
+				Widget: container.NewHScroll(errorMessage),
+			},
+		},
+		SubmitText: lang.L("save"),
+		OnSubmit: func() {
+			err := save(*ffmpegPath, *ffprobePath, *ffplayPath)
+			if err != nil {
+				errorMessage.Text = err.Error()
+			}
+		},
+	}
+	if cancel != nil {
+		form.OnCancel = cancel
+		form.CancelText = lang.L("cancel")
+	}
+
+	selectFFPathTitle := lang.L("selectFFPathTitle")
+
+	return widget.NewCard(selectFFPathTitle, "", container.NewVBox(
+		form,
+		donwloadFFmpeg,
+	))
+}
+
+func configuringFFmpegUtilitiesButtonSelectFile(window window.WindowContract, path string) (filePath *string, button *widget.Button, buttonMessage *canvas.Text) {
+	filePath = &path
+
+	buttonMessage = canvas.NewText(path, color.RGBA{R: 49, G: 127, B: 114, A: 255})
+	buttonMessage.TextSize = 16
+	buttonMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	buttonTitle := lang.L("choose")
+
+	var locationURI fyne.ListableURI
+	if len(path) > 0 {
+		listableURI := storage.NewFileURI(filepath.Dir(path))
+		locationURI, _ = storage.ListerForURI(listableURI)
+	}
+
+	button = widget.NewButton(buttonTitle, func() {
+		window.NewFileOpen(func(r fyne.URIReadCloser, err error) {
+			if err != nil {
+				buttonMessage.Text = err.Error()
+				utils.SetStringErrorStyle(buttonMessage)
+				return
+			}
+			if r == nil {
+				return
+			}
+
+			path = r.URI().Path()
+
+			buttonMessage.Text = r.URI().Path()
+			utils.SetStringSuccessStyle(buttonMessage)
+
+			listableURI := storage.NewFileURI(filepath.Dir(r.URI().Path()))
+			locationURI, _ = storage.ListerForURI(listableURI)
+		}, locationURI)
+	})
+
+	return filePath, button, buttonMessage
+}

internal/gui/view/convertor.go

@@ -0,0 +1,414 @@
+package view
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/storage"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/convertor/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	encoder2 "git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view/convertor/encoders"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/window"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+	"image/color"
+	"os"
+	"path/filepath"
+)
+
+type ConvertSetting struct {
+	DirectoryForSave     string
+	OverwriteOutputFiles bool
+	Format               string
+	Encoder              encoder2.EncoderContract
+}
+
+func Convertor(
+	window window.WindowContract,
+	addFileForConversion func(file ffmpeg.File),
+	directoryForSavingPath string,
+	directoryForSaving func(path string),
+	formats encoder.ConvertorFormatsContract,
+	addToConversion func(convertSetting ConvertSetting) error,
+) fyne.CanvasObject {
+	conversionMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
+	conversionMessage.TextSize = 16
+	conversionMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	form := newFormConvertor(
+		window,
+		addFileForConversion,
+		directoryForSavingPath,
+		directoryForSaving,
+		formats,
+		addToConversion,
+		conversionMessage,
+	)
+
+	converterVideoFilesTitle := lang.L("converterVideoFilesTitle")
+	return widget.NewCard(converterVideoFilesTitle, "", container.NewVScroll(form.getForm()))
+}
+
+type formConvertor struct {
+	form              *widget.Form
+	items             []*widget.FormItem
+	conversionMessage *canvas.Text
+
+	window               window.WindowContract
+	addFileForConversion func(file ffmpeg.File)
+	directoryForSaving   func(path string)
+}
+
+func newFormConvertor(
+	window window.WindowContract,
+	addFileForConversion func(file ffmpeg.File),
+	directoryForSavingPath string,
+	directoryForSaving func(path string),
+	formats encoder.ConvertorFormatsContract,
+	addToConversion func(convertSetting ConvertSetting) error,
+	conversionMessage *canvas.Text,
+) *formConvertor {
+	f := widget.NewForm()
+	f.SubmitText = lang.L("converterVideoFilesSubmitTitle")
+
+	formConvertor := &formConvertor{
+		form:                 f,
+		window:               window,
+		addFileForConversion: addFileForConversion,
+		directoryForSaving:   directoryForSaving,
+		conversionMessage:    conversionMessage,
+	}
+
+	fileForConversion := formConvertor.newFileForConversion()
+	directoryForSavingButton := formConvertor.newDirectoryForSaving(directoryForSavingPath)
+	isOverwriteOutputFiles := false
+	checkboxOverwriteOutputFiles := widget.NewCheck(lang.L("checkboxOverwriteOutputFilesTitle"), func(b bool) {
+		isOverwriteOutputFiles = b
+	})
+	checkboxOverwriteOutputFiles.SetChecked(isOverwriteOutputFiles)
+	selectEncoder := formConvertor.newSelectEncoder(formats)
+
+	items := []*widget.FormItem{
+		{
+			Text:   lang.L("fileForConversionTitle"),
+			Widget: fileForConversion.button,
+		},
+		{
+			Widget: container.NewHScroll(fileForConversion.message),
+		},
+
+		{
+			Text:   lang.L("buttonForSelectedDirTitle"),
+			Widget: directoryForSavingButton.button,
+		},
+		{
+			Widget: container.NewHScroll(directoryForSavingButton.message),
+		},
+
+		{
+			Widget: checkboxOverwriteOutputFiles,
+		},
+		{
+			Widget: selectEncoder.SelectFileType,
+		},
+		{
+			Text:   lang.L("selectFormat"),
+			Widget: selectEncoder.SelectFormat,
+		},
+		{
+			Text:   lang.L("selectEncoder"),
+			Widget: selectEncoder.SelectEncoder,
+		},
+	}
+	formConvertor.form.Items = items
+	formConvertor.items = items
+	formConvertor.changeEncoder(selectEncoder.Encoder)
+	selectEncoder.ChangeEncoder = formConvertor.changeEncoder
+
+	formConvertor.form.OnSubmit = func() {
+		formConvertor.conversionMessage.Text = ""
+		if len(directoryForSavingButton.path) == 0 {
+			formConvertor.conversionMessage.Text = lang.L("errorSelectedFolderSave")
+			return
+		}
+
+		if len(selectEncoder.SelectFormat.Selected) == 0 {
+			formConvertor.conversionMessage.Text = lang.L("errorSelectedFormat")
+			return
+		}
+
+		if selectEncoder.Encoder == nil {
+			formConvertor.conversionMessage.Text = lang.L("errorSelectedEncoder")
+			return
+		}
+
+		fileForConversion.button.Disable()
+		directoryForSavingButton.button.Disable()
+		formConvertor.form.Disable()
+
+		fyne.Do(func() {
+			err := addToConversion(ConvertSetting{
+				DirectoryForSave:     directoryForSavingButton.path,
+				OverwriteOutputFiles: isOverwriteOutputFiles,
+				Format:               selectEncoder.SelectFormat.Selected,
+				Encoder:              selectEncoder.Encoder,
+			})
+			if err != nil {
+				formConvertor.conversionMessage.Text = err.Error()
+			}
+			fileForConversion.button.Enable()
+			directoryForSavingButton.button.Enable()
+			formConvertor.form.Enable()
+		})
+	}
+
+	return formConvertor
+}
+
+func (f *formConvertor) getForm() fyne.CanvasObject {
+	return container.NewVBox(
+		f.form,
+		container.NewHScroll(f.conversionMessage),
+	)
+}
+
+type fileForConversion struct {
+	button  *widget.Button
+	message *canvas.Text
+	file    *ffmpeg.File
+}
+
+func (f *formConvertor) newFileForConversion() *fileForConversion {
+	message := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
+	fileForConversion := &fileForConversion{
+		message: message,
+	}
+
+	buttonTitle := lang.L("choose") + "\n" +
+		lang.L("or") + "\n" +
+		lang.L("dragAndDropFiles")
+
+	var locationURI fyne.ListableURI
+
+	fileForConversion.button = widget.NewButton(buttonTitle, func() {
+		f.window.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()
+				})
+				return
+			}
+			if r == nil {
+				return
+			}
+
+			f.addFileForConversion(ffmpeg.File{
+				Path: r.URI().Path(),
+				Name: r.URI().Name(),
+				Ext:  r.URI().Extension(),
+			})
+
+			listableURI := storage.NewFileURI(filepath.Dir(r.URI().Path()))
+			locationURI, _ = storage.ListerForURI(listableURI)
+		}, locationURI)
+	})
+
+	f.window.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
+			}
+
+			f.addFileForConversion(ffmpeg.File{
+				Path: uri.Path(),
+				Name: uri.Name(),
+				Ext:  uri.Extension(),
+			})
+
+			listableURI := storage.NewFileURI(filepath.Dir(uri.Path()))
+			locationURI, _ = storage.ListerForURI(listableURI)
+		}
+
+		if isError {
+			fileForConversion.message.Text = lang.L("errorDragAndDropFile")
+			utils.SetStringErrorStyle(fileForConversion.message)
+		} else {
+			fyne.Do(func() {
+				fileForConversion.message.Text = ""
+				fileForConversion.message.Refresh()
+			})
+		}
+	})
+
+	return fileForConversion
+}
+
+type directoryForSaving struct {
+	button  *widget.Button
+	message *canvas.Text
+	path    string
+}
+
+func (f *formConvertor) newDirectoryForSaving(directoryForSavingPath string) *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 := lang.L("choose")
+
+	locationURI, err := utils.PathToListableURI(directoryForSavingPath)
+	if err == nil {
+		directoryForSaving.path = locationURI.Path()
+		directoryForSaving.message.Text = locationURI.Path()
+		utils.SetStringSuccessStyle(directoryForSaving.message)
+	}
+
+	directoryForSaving.button = widget.NewButton(buttonTitle, func() {
+		f.window.NewFolderOpen(func(r fyne.ListableURI, err error) {
+			if err != nil {
+				directoryForSaving.message.Text = err.Error()
+				utils.SetStringErrorStyle(directoryForSaving.message)
+				return
+			}
+			if r == nil {
+				return
+			}
+
+			directoryForSaving.path = r.Path()
+
+			directoryForSaving.message.Text = r.Path()
+			utils.SetStringSuccessStyle(directoryForSaving.message)
+			locationURI, err = storage.ListerForURI(r)
+
+			if err == nil {
+				f.directoryForSaving(locationURI.Path())
+			}
+
+		}, locationURI)
+	})
+
+	return directoryForSaving
+}
+
+type selectEncoder struct {
+	SelectFileType *widget.RadioGroup
+	SelectFormat   *widget.Select
+	SelectEncoder  *widget.Select
+	Encoder        encoder2.EncoderContract
+
+	ChangeEncoder func(encoder encoder2.EncoderContract)
+}
+
+func (f *formConvertor) newSelectEncoder(formats encoder.ConvertorFormatsContract) *selectEncoder {
+	selectEncoder := &selectEncoder{}
+
+	encoderMap := map[int]encoder2.EncoderDataContract{}
+	selectEncoder.SelectEncoder = widget.NewSelect([]string{}, func(s string) {
+		if encoderMap[selectEncoder.SelectEncoder.SelectedIndex()] == nil {
+			return
+		}
+		selectEncoderData := encoderMap[selectEncoder.SelectEncoder.SelectedIndex()]
+		selectEncoder.Encoder = selectEncoderData.NewEncoder()
+		if selectEncoder.ChangeEncoder != nil {
+			selectEncoder.ChangeEncoder(selectEncoder.Encoder)
+		}
+	})
+
+	formatSelected := ""
+	selectEncoder.SelectFormat = widget.NewSelect([]string{}, func(s string) {
+		if formatSelected == s {
+			return
+		}
+		formatSelected = s
+		format, err := formats.GetFormat(s)
+		if err != nil {
+			return
+		}
+		var encoderOptions []string
+		encoderMap = map[int]encoder2.EncoderDataContract{}
+		for _, e := range format.GetEncoders() {
+			encoderMap[len(encoderMap)] = e
+			encoderOptions = append(encoderOptions, lang.L("encoder_"+e.GetTitle()))
+		}
+		selectEncoder.SelectEncoder.SetOptions(encoderOptions)
+		selectEncoder.SelectEncoder.SetSelectedIndex(0)
+	})
+
+	var fileTypeOptions []string
+	for _, fileType := range encoder2.GetListFileType() {
+		fileTypeOptions = append(fileTypeOptions, fileType.Name())
+	}
+
+	encoderGroupVideo := lang.L("encoderGroupVideo")
+	encoderGroupAudio := lang.L("encoderGroupAudio")
+	encoderGroupImage := lang.L("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]
+
+		var 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 (f *formConvertor) changeEncoder(encoder encoder2.EncoderContract) {
+	var items []*widget.FormItem
+
+	if encoders.Views[encoder.GetName()] != nil {
+		items = encoders.Views[encoder.GetName()](encoder)
+	}
+
+	f.changeItems(items)
+}
+
+func (f *formConvertor) changeItems(items []*widget.FormItem) {
+	fyne.Do(func() {
+		f.form.Items = f.items
+		f.form.Refresh()
+		f.form.Items = append(f.form.Items, items...)
+		f.form.Refresh()
+	})
+}

internal/gui/view/convertor/encoders/encoders.go

@@ -0,0 +1,15 @@
+package encoders
+
+import (
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view/convertor/encoders/h264_nvenc"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view/convertor/encoders/libx264"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/gui/view/convertor/encoders/libx265"
+)
+
+var Views = map[string]func(encoder encoder.EncoderContract) []*widget.FormItem{
+	"libx264":    libx264.View,
+	"h264_nvenc": h264_nvenc.View,
+	"libx265":    libx265.View,
+}

internal/gui/view/convertor/encoders/h264_nvenc/view.go

@@ -0,0 +1,64 @@
+package h264_nvenc
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/h264_nvenc"
+)
+
+func View(encoder encoder.EncoderContract) []*widget.FormItem {
+	items := []*widget.FormItem{}
+
+	items = append(items, presetParameter(encoder)...)
+
+	return items
+}
+
+func presetParameter(encoder encoder.EncoderContract) []*widget.FormItem {
+	parameter, err := encoder.GetParameter("preset")
+	if err != nil {
+		return nil
+	}
+
+	presets := map[string]string{}
+	presetsForSelect := []string{}
+	presetDefault := ""
+
+	for _, name := range h264_nvenc.Presets {
+		title := name
+		presetsForSelect = append(presetsForSelect, name)
+		presets[title] = name
+		if name == parameter.Get() {
+			presetDefault = title
+		}
+	}
+
+	elementSelect := widget.NewSelect(presetsForSelect, func(s string) {
+		if presets[s] == "" {
+			return
+		}
+		parameter.Set(presets[s])
+	})
+	elementSelect.SetSelected(presetDefault)
+	elementSelect.Hide()
+
+	checkboxTitle := lang.L("parameterCheckbox")
+	elementCheckbox := widget.NewCheck(checkboxTitle, func(b bool) {
+		if b == true {
+			parameter.SetEnable()
+			elementSelect.Show()
+			return
+		}
+		parameter.SetDisable()
+		elementSelect.Hide()
+	})
+
+	return []*widget.FormItem{
+		{
+			Text:   lang.L("formPreset"),
+			Widget: container.NewVBox(elementCheckbox, elementSelect),
+		},
+	}
+}

internal/gui/view/convertor/encoders/libx264/view.go

@@ -0,0 +1,64 @@
+package libx264
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libx264"
+)
+
+func View(encoder encoder.EncoderContract) []*widget.FormItem {
+	items := []*widget.FormItem{}
+
+	items = append(items, presetParameter(encoder)...)
+
+	return items
+}
+
+func presetParameter(encoder encoder.EncoderContract) []*widget.FormItem {
+	parameter, err := encoder.GetParameter("preset")
+	if err != nil {
+		return nil
+	}
+
+	presets := map[string]string{}
+	presetsForSelect := []string{}
+	presetDefault := ""
+
+	for _, name := range libx264.Presets {
+		title := lang.L("preset_" + name)
+		presetsForSelect = append(presetsForSelect, title)
+		presets[title] = name
+		if name == parameter.Get() {
+			presetDefault = title
+		}
+	}
+
+	elementSelect := widget.NewSelect(presetsForSelect, func(s string) {
+		if presets[s] == "" {
+			return
+		}
+		parameter.Set(presets[s])
+	})
+	elementSelect.SetSelected(presetDefault)
+	elementSelect.Hide()
+
+	checkboxTitle := lang.L("parameterCheckbox")
+	elementCheckbox := widget.NewCheck(checkboxTitle, func(b bool) {
+		if b == true {
+			parameter.SetEnable()
+			elementSelect.Show()
+			return
+		}
+		parameter.SetDisable()
+		elementSelect.Hide()
+	})
+
+	return []*widget.FormItem{
+		{
+			Text:   lang.L("formPreset"),
+			Widget: container.NewVBox(elementCheckbox, elementSelect),
+		},
+	}
+}

internal/gui/view/convertor/encoders/libx265/view.go

@@ -0,0 +1,64 @@
+package libx265
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg/encoder/libx265"
+)
+
+func View(encoder encoder.EncoderContract) []*widget.FormItem {
+	items := []*widget.FormItem{}
+
+	items = append(items, presetParameter(encoder)...)
+
+	return items
+}
+
+func presetParameter(encoder encoder.EncoderContract) []*widget.FormItem {
+	parameter, err := encoder.GetParameter("preset")
+	if err != nil {
+		return nil
+	}
+
+	presets := map[string]string{}
+	presetsForSelect := []string{}
+	presetDefault := ""
+
+	for _, name := range libx265.Presets {
+		title := lang.L("preset_" + name)
+		presetsForSelect = append(presetsForSelect, title)
+		presets[title] = name
+		if name == parameter.Get() {
+			presetDefault = title
+		}
+	}
+
+	elementSelect := widget.NewSelect(presetsForSelect, func(s string) {
+		if presets[s] == "" {
+			return
+		}
+		parameter.Set(presets[s])
+	})
+	elementSelect.SetSelected(presetDefault)
+	elementSelect.Hide()
+
+	checkboxTitle := lang.L("parameterCheckbox")
+	elementCheckbox := widget.NewCheck(checkboxTitle, func(b bool) {
+		if b == true {
+			parameter.SetEnable()
+			elementSelect.Show()
+			return
+		}
+		parameter.SetDisable()
+		elementSelect.Hide()
+	})
+
+	return []*widget.FormItem{
+		{
+			Text:   lang.L("formPreset"),
+			Widget: container.NewVBox(elementCheckbox, elementSelect),
+		},
+	}
+}

internal/gui/view/error.go

@@ -0,0 +1,39 @@
+package view
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+)
+
+func StartWithError(err error, languages []setting.Lang, funcSelected func(lang setting.Lang)) fyne.CanvasObject {
+	messageHead := lang.L("error")
+
+	listView := widget.NewList(
+		func() int {
+			return len(languages)
+		},
+		func() fyne.CanvasObject {
+			return widget.NewLabel("template")
+		},
+		func(i widget.ListItemID, o fyne.CanvasObject) {
+			block := o.(*widget.Label)
+			block.SetText(languages[i].Title)
+		})
+	listView.OnSelected = func(id widget.ListItemID) {
+		funcSelected(languages[id])
+	}
+
+	return container.NewBorder(
+		container.NewVBox(
+			widget.NewLabel(messageHead),
+			widget.NewLabel(err.Error()),
+		),
+		nil,
+		nil,
+		nil,
+		listView,
+	)
+}

internal/gui/view/help_ffplay.go

@@ -0,0 +1,105 @@
+package view
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/theme"
+	"fyne.io/fyne/v2/widget"
+)
+
+func HelpFFplay() fyne.CanvasObject {
+	data := [][]string{
+		{
+			lang.L("helpFFplayKeys"),
+			lang.L("helpFFplayDescription"),
+		},
+		{
+			"Q, ESC",
+			lang.L("helpFFplayQuit"),
+		},
+		{
+			"F, " + lang.L("helpFFplayDoubleClickLeftMouseButton"),
+			lang.L("helpFFplayToggleFullScreen"),
+		},
+		{
+			"P, " + lang.L("helpFFplayKeySpace"),
+			lang.L("helpFFplayPause"),
+		},
+		{
+			"M",
+			lang.L("helpFFplayToggleMute"),
+		},
+		{
+			"9, /",
+			lang.L("helpFFplayDecreaseVolume"),
+		},
+		{
+			"0, *",
+			lang.L("helpFFplayIncreaseVolume"),
+		},
+		{
+			lang.L("helpFFplayKeyLeft"),
+			lang.L("helpFFplaySeekBackward10Seconds"),
+		},
+		{
+			lang.L("helpFFplayKeyRight"),
+			lang.L("helpFFplaySeekForward10Seconds"),
+		},
+		{
+			lang.L("helpFFplayKeyDown"),
+			lang.L("helpFFplaySeekBackward1Minute"),
+		},
+		{
+			lang.L("helpFFplayKeyUp"),
+			lang.L("helpFFplaySeekBForward1Minute"),
+		},
+		{
+			"Page Down",
+			lang.L("helpFFplaySeekBackward10Minutes"),
+		},
+		{
+			"Page Up",
+			lang.L("helpFFplaySeekBForward10Minutes"),
+		},
+		{
+			"S, " + lang.L("helpFFplayKeyHoldS"),
+			lang.L("helpFFplayActivateFrameStepMode"),
+		},
+		{
+			"W",
+			lang.L("helpFFplayCycleVideoFiltersOrShowModes"),
+		},
+	}
+
+	list := widget.NewTable(
+		func() (int, int) {
+			return len(data), len(data[0])
+		},
+		func() fyne.CanvasObject {
+			return widget.NewLabel("")
+		},
+		func(i widget.TableCellID, o fyne.CanvasObject) {
+			label := o.(*widget.Label)
+
+			label.TextStyle.Bold = false
+			label.SizeName = theme.SizeNameText
+
+			if i.Row == 0 {
+				label.TextStyle.Bold = true
+				label.SizeName = theme.SizeNameSubHeadingText
+			}
+
+			if i.Col == 0 {
+				label.TextStyle.Bold = true
+			}
+
+			label.SetText(data[i.Row][i.Col])
+		})
+	list.SetRowHeight(0, 40)
+	list.SetColumnWidth(0, 200)
+	list.SetColumnWidth(1, 585)
+	list.SetRowHeight(2, 55)
+
+	return container.NewScroll(list)
+}

internal/gui/view/mainSettings.go

@@ -0,0 +1,92 @@
+package view
+
+import (
+	"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/internal/application/setting"
+	"image/color"
+)
+
+type MainSettingForm struct {
+	Language  setting.Lang
+	ThemeInfo setting.ThemeInfoContract
+}
+
+func MainSettings(
+	currentLang setting.Lang,
+	langList []setting.Lang,
+
+	themeInfo setting.ThemeInfoContract,
+	themeList map[string]setting.ThemeInfoContract,
+
+	save func(form *MainSettingForm) error,
+	cancel func(),
+) fyne.CanvasObject {
+
+	errorMessage := canvas.NewText("", color.RGBA{R: 255, G: 0, B: 0, A: 255})
+	errorMessage.TextSize = 16
+	errorMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	viewSettingForm := &MainSettingForm{
+		Language:  currentLang,
+		ThemeInfo: themeInfo,
+	}
+
+	var languageItems []string
+	langByTitle := map[string]setting.Lang{}
+	for _, language := range langList {
+		languageItems = append(languageItems, language.Title)
+		langByTitle[language.Title] = language
+	}
+	selectLanguage := widget.NewSelect(languageItems, func(s string) {
+		if lang, ok := langByTitle[s]; ok {
+			viewSettingForm.Language = lang
+		}
+	})
+	selectLanguage.Selected = currentLang.Title
+
+	var themeItems []string
+	themeByTitle := map[string]setting.ThemeInfoContract{}
+	for _, themeInfo := range themeList {
+		themeItems = append(themeItems, themeInfo.GetTitle())
+		themeByTitle[themeInfo.GetTitle()] = themeInfo
+	}
+	selectTheme := widget.NewSelect(themeItems, func(s string) {
+		if themeInfo, ok := themeByTitle[s]; ok {
+			viewSettingForm.ThemeInfo = themeInfo
+		}
+	})
+	selectTheme.Selected = themeInfo.GetTitle()
+
+	form := &widget.Form{
+		Items: []*widget.FormItem{
+			{
+				Text:   lang.L("menuSettingsLanguage"),
+				Widget: selectLanguage,
+			},
+			{
+				Text:   lang.L("menuSettingsTheme"),
+				Widget: selectTheme,
+			},
+			{
+				Widget: errorMessage,
+			},
+		},
+		SubmitText: lang.L("save"),
+		OnSubmit: func() {
+			err := save(viewSettingForm)
+			if err != nil {
+				errorMessage.Text = err.Error()
+			}
+		},
+	}
+	if cancel != nil {
+		form.OnCancel = cancel
+		form.CancelText = lang.L("cancel")
+	}
+
+	messageHead := lang.L("settings")
+	return widget.NewCard(messageHead, "", form)
+}

internal/gui/view/start_without_support_lang.go

@@ -0,0 +1,28 @@
+package view
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/setting"
+)
+
+func StartWithoutSupportLang(languages []setting.Lang, funcSelected func(lang setting.Lang)) fyne.CanvasObject {
+	listView := widget.NewList(
+		func() int {
+			return len(languages)
+		},
+		func() fyne.CanvasObject {
+			return widget.NewLabel("template")
+		},
+		func(i widget.ListItemID, o fyne.CanvasObject) {
+			block := o.(*widget.Label)
+			block.SetText(languages[i].Title)
+		})
+	listView.OnSelected = func(id widget.ListItemID) {
+		funcSelected(languages[id])
+	}
+
+	messageHead := lang.L("languageSelectionHead")
+	return widget.NewCard(messageHead, "", listView)
+}

internal/gui/window/layout.go

@@ -0,0 +1,172 @@
+package window
+
+import (
+	"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/application/convertor"
+)
+
+type LayoutContract interface {
+	SetContent(content fyne.CanvasObject) fyne.CanvasObject
+	GetRContainer() RightMainContainerContract
+}
+
+type layout struct {
+	layoutContainer *fyne.Container
+	rContainer      RightMainContainerContract
+}
+
+func NewLayout(progressBarService convertor.ProgressBarContract, itemsToConvert convertor.ItemsToConvertContract, queueLayout QueueLayoutContract) LayoutContract {
+	rContainer := newRightContainer(progressBarService.GetContainer(), itemsToConvert, queueLayout)
+	layoutContainer := container.NewAdaptiveGrid(2, widget.NewLabel(""), rContainer.GetCanvasObject())
+
+	return &layout{
+		layoutContainer: layoutContainer,
+		rContainer:      rContainer,
+	}
+}
+
+func (l *layout) SetContent(content fyne.CanvasObject) fyne.CanvasObject {
+	l.layoutContainer.Objects[0] = content
+	return l.layoutContainer
+}
+
+func (l *layout) GetRContainer() RightMainContainerContract {
+	return l.rContainer
+}
+
+type RightMainContainerContract interface {
+	GetCanvasObject() fyne.CanvasObject
+	GetTabs() *container.AppTabs
+	SelectFileQueueTab()
+	SelectAddedFilesTab()
+}
+
+type rightMainContainer struct {
+	container     fyne.CanvasObject
+	tabs          *container.AppTabs
+	addedFilesTab *container.TabItem
+	fileQueueTab  *container.TabItem
+}
+
+func newRightContainer(blockProgressbar *fyne.Container, itemsToConvert convertor.ItemsToConvertContract, queueLayout QueueLayoutContract) RightMainContainerContract {
+	addedFilesTab := container.NewTabItem(lang.L("addedFilesTitle"), addedFilesContainer(itemsToConvert))
+	fileQueueTab := container.NewTabItem(lang.L("fileQueueTitle"), fileQueueContainer(queueLayout))
+
+	tabs := container.NewAppTabs(
+		addedFilesTab,
+		fileQueueTab,
+	)
+
+	rightContainer := container.NewBorder(
+		container.NewVBox(
+			blockProgressbar,
+			widget.NewSeparator(),
+		),
+		nil,
+		nil,
+		nil,
+		tabs,
+	)
+
+	return &rightMainContainer{
+		container:     rightContainer,
+		tabs:          tabs,
+		addedFilesTab: addedFilesTab,
+		fileQueueTab:  fileQueueTab,
+	}
+}
+
+func (r *rightMainContainer) GetCanvasObject() fyne.CanvasObject {
+	return r.container
+}
+
+func (r *rightMainContainer) GetTabs() *container.AppTabs {
+	return r.tabs
+}
+
+func (r *rightMainContainer) SelectFileQueueTab() {
+	fyne.Do(func() {
+		r.tabs.Select(r.fileQueueTab)
+	})
+}
+
+func (r *rightMainContainer) SelectAddedFilesTab() {
+	fyne.Do(func() {
+		r.tabs.Select(r.addedFilesTab)
+	})
+}
+
+func addedFilesContainer(itemsToConvert convertor.ItemsToConvertContract) *fyne.Container {
+	line := canvas.NewLine(theme.Color(theme.ColorNameFocus))
+	line.StrokeWidth = 5
+	checkboxAutoRemove := widget.NewCheck(
+		lang.L("autoClearAfterAddingToQueue"),
+		func(checked bool) {
+			itemsToConvert.SetIsAutoRemove(checked)
+		},
+	)
+	checkboxAutoRemove.SetChecked(itemsToConvert.GetIsAutoRemove())
+
+	buttonClear := widget.NewButton(
+		lang.L("clearAll"),
+		func() {
+			itemsToConvert.Clear()
+		},
+	)
+	buttonClear.Importance = widget.DangerImportance
+	return container.NewBorder(
+		container.NewVBox(
+			container.NewPadded(),
+			container.NewBorder(nil, nil, nil, buttonClear, container.NewHScroll(checkboxAutoRemove)),
+			container.NewPadded(),
+			line,
+		), nil, nil, nil,
+		container.NewVScroll(
+			container.NewBorder(
+				nil, nil, nil, container.NewPadded(),
+				container.NewVBox(
+					container.NewPadded(),
+					itemsToConvert.GetItemsContainer(),
+				),
+			),
+		),
+	)
+}
+
+func fileQueueContainer(queueLayout QueueLayoutContract) *fyne.Container {
+	title := widget.NewLabel(lang.L("queue"))
+	title.TextStyle.Bold = true
+
+	line := canvas.NewLine(theme.Color(theme.ColorNameFocus))
+	line.StrokeWidth = 5
+
+	queueLayout.GetQueueStatistics().GetWaiting().SetTitle(lang.L("waitingQueue"))
+	queueLayout.GetQueueStatistics().GetInProgress().SetTitle(lang.L("inProgressQueue"))
+	queueLayout.GetQueueStatistics().GetCompleted().SetTitle(lang.L("completedQueue"))
+	queueLayout.GetQueueStatistics().GetError().SetTitle(lang.L("errorQueue"))
+	queueLayout.GetQueueStatistics().GetTotal().SetTitle(lang.L("total"))
+
+	return container.NewBorder(
+		container.NewVBox(
+			container.NewPadded(),
+			container.NewHBox(title, queueLayout.GetQueueStatistics().GetCompleted().GetCheckbox(), queueLayout.GetQueueStatistics().GetError().GetCheckbox()),
+			container.NewHBox(queueLayout.GetQueueStatistics().GetInProgress().GetCheckbox(), queueLayout.GetQueueStatistics().GetWaiting().GetCheckbox(), queueLayout.GetQueueStatistics().GetTotal().GetCheckbox()),
+			container.NewPadded(),
+			line,
+		), nil, nil, nil,
+		container.NewVScroll(
+			container.NewBorder(
+				nil, nil, nil, container.NewPadded(),
+				container.NewVBox(
+					container.NewPadded(),
+					queueLayout.GetItemsContainer(),
+				),
+			),
+		),
+	)
+}

internal/gui/window/main.go

@@ -0,0 +1,101 @@
+package window
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/dialog"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/convertor"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
+)
+
+type WindowContract interface {
+	SetContent(content fyne.CanvasObject)
+	SetMainMenu(menu *fyne.MainMenu)
+	Show()
+	InitLayout()
+	NewFileOpen(callback func(fyne.URIReadCloser, error), location fyne.ListableURI) *dialog.FileDialog
+	NewFolderOpen(callback func(fyne.ListableURI, error), location fyne.ListableURI) *dialog.FileDialog
+	SetOnDropped(callback func(position fyne.Position, uris []fyne.URI))
+	GetLayout() LayoutContract
+}
+
+type mainWindow struct {
+	fyneWindow         fyne.Window
+	layout             LayoutContract
+	itemsToConvert     convertor.ItemsToConvertContract
+	progressBarService convertor.ProgressBarContract
+	queueLayout        QueueLayoutContract
+}
+
+func NewMainWindow(
+	fyneWindow fyne.Window,
+	progressBarService convertor.ProgressBarContract,
+	itemsToConvert convertor.ItemsToConvertContract,
+	queueLayout QueueLayoutContract,
+) WindowContract {
+	fyneWindow.Resize(fyne.Size{Width: 1039, Height: 599})
+	fyneWindow.CenterOnScreen()
+
+	return &mainWindow{
+		fyneWindow:         fyneWindow,
+		progressBarService: progressBarService,
+		itemsToConvert:     itemsToConvert,
+		queueLayout:        queueLayout,
+	}
+}
+
+func (w *mainWindow) SetMainMenu(menu *fyne.MainMenu) {
+	fyne.Do(func() {
+		w.fyneWindow.SetMainMenu(menu)
+	})
+}
+
+func (w *mainWindow) InitLayout() {
+	fyne.Do(func() {
+		w.layout = NewLayout(w.progressBarService, w.itemsToConvert, w.queueLayout)
+	})
+}
+
+func (w *mainWindow) GetLayout() LayoutContract {
+	return w.layout
+}
+
+func (w *mainWindow) NewFileOpen(callback func(fyne.URIReadCloser, error), location fyne.ListableURI) *dialog.FileDialog {
+	fileDialog := dialog.NewFileOpen(callback, w.fyneWindow)
+	utils.FileDialogResize(fileDialog, w.fyneWindow)
+	fileDialog.Show()
+	if location != nil {
+		fileDialog.SetLocation(location)
+	}
+	return fileDialog
+}
+
+func (w *mainWindow) NewFolderOpen(callback func(fyne.ListableURI, error), location fyne.ListableURI) *dialog.FileDialog {
+	fileDialog := dialog.NewFolderOpen(callback, w.fyneWindow)
+	utils.FileDialogResize(fileDialog, w.fyneWindow)
+	fileDialog.Show()
+	if location != nil {
+		fileDialog.SetLocation(location)
+	}
+	return fileDialog
+}
+
+func (w *mainWindow) SetContent(content fyne.CanvasObject) {
+	fyne.Do(func() {
+		if w.layout == nil {
+			w.fyneWindow.SetContent(content)
+			return
+		}
+
+		w.fyneWindow.SetContent(w.layout.SetContent(content))
+	})
+}
+
+func (w *mainWindow) Show() {
+	w.fyneWindow.Show()
+}
+
+func (w *mainWindow) SetOnDropped(callback func(position fyne.Position, uris []fyne.URI)) {
+	fyne.Do(func() {
+		w.fyneWindow.SetOnDropped(callback)
+	})
+}

internal/gui/window/queue.go

@@ -0,0 +1,459 @@
+package window
+
+import (
+	"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/application/convertor"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/ffmpeg"
+	"image/color"
+	"strconv"
+	"strings"
+)
+
+type QueueLayoutContract interface {
+	GetItemsContainer() *fyne.Container
+	GetQueueStatistics() QueueStatisticsAllContract
+
+	AddQueue(key int, queue *convertor.Queue)
+	ChangeQueue(key int, queue *convertor.Queue)
+	RemoveQueue(key int, status convertor.StatusContract)
+}
+
+type queueLayout struct {
+	itemsContainer     *fyne.Container
+	queueAllStatistics QueueStatisticsAllContract
+	items              map[int]queueLayoutItem
+	ffmpegService      ffmpeg.UtilitiesContract
+}
+
+func NewQueueLayout(ffmpegService ffmpeg.UtilitiesContract) QueueLayoutContract {
+	items := map[int]queueLayoutItem{}
+
+	return &queueLayout{
+		itemsContainer:     container.NewVBox(),
+		queueAllStatistics: newQueueAllStatistics(&items),
+		items:              items,
+		ffmpegService:      ffmpegService,
+	}
+}
+
+func (l *queueLayout) GetItemsContainer() *fyne.Container {
+	return l.itemsContainer
+}
+
+func (l *queueLayout) GetQueueStatistics() QueueStatisticsAllContract {
+	return l.queueAllStatistics
+}
+
+func (l *queueLayout) AddQueue(queueID int, queue *convertor.Queue) {
+
+	statusMessage := canvas.NewText(l.getStatusTitle(queue.Status), theme.Color(theme.ColorNamePrimary))
+	messageError := canvas.NewText("", theme.Color(theme.ColorNameError))
+	buttonPlay := widget.NewButtonWithIcon("", theme.Icon(theme.IconNameMediaPlay), func() {
+
+	})
+	buttonPlay.Hide()
+	blockMessageError := container.NewHScroll(messageError)
+	blockMessageError.Hide()
+
+	content := container.NewVBox(
+		container.NewHScroll(widget.NewLabel(queue.Setting.FileInput.Name)),
+		container.NewHBox(
+			buttonPlay,
+			statusMessage,
+		),
+		blockMessageError,
+		container.NewPadded(),
+		canvas.NewLine(theme.Color(theme.ColorNameFocus)),
+		container.NewPadded(),
+	)
+
+	l.addQueueStatistics()
+	if l.GetQueueStatistics().IsChecked(queue.Status) == false {
+		content.Hide()
+	}
+
+	l.items[queueID] = queueLayoutItem{
+		CanvasObject:      content,
+		StatusMessage:     statusMessage,
+		BlockMessageError: blockMessageError,
+		MessageError:      messageError,
+		buttonPlay:        buttonPlay,
+		status:            &queue.Status,
+	}
+	l.itemsContainer.Add(content)
+}
+
+func (l *queueLayout) ChangeQueue(queueID int, queue *convertor.Queue) {
+	if item, ok := l.items[queueID]; ok {
+		statusColor := l.getStatusColor(queue.Status)
+		fyne.Do(func() {
+			item.StatusMessage.Text = l.getStatusTitle(queue.Status)
+			item.StatusMessage.Color = statusColor
+			item.StatusMessage.Refresh()
+		})
+		if queue.Error != nil {
+			fyne.Do(func() {
+				item.MessageError.Text = queue.Error.Error()
+				item.MessageError.Color = statusColor
+				item.BlockMessageError.Show()
+				item.MessageError.Refresh()
+			})
+		}
+		if queue.Status == convertor.StatusType(convertor.Completed) {
+			item.buttonPlay.Show()
+			item.buttonPlay.OnTapped = func() {
+				item.buttonPlay.Disable()
+				go func() {
+					ffplay, err := l.ffmpegService.GetFFplay()
+					if err == nil {
+						_ = ffplay.Play(&queue.Setting.FileOut)
+					}
+					fyne.Do(func() {
+						item.buttonPlay.Enable()
+					})
+				}()
+			}
+		}
+		if l.GetQueueStatistics().IsChecked(queue.Status) == false && item.CanvasObject.Visible() == true {
+			item.CanvasObject.Hide()
+		}
+
+		if l.GetQueueStatistics().IsChecked(queue.Status) == true && item.CanvasObject.Visible() == false {
+			item.CanvasObject.Show()
+		}
+
+		l.changeQueueStatistics(queue.Status)
+	}
+}
+
+func (l *queueLayout) RemoveQueue(queueID int, status convertor.StatusContract) {
+	if item, ok := l.items[queueID]; ok {
+		l.itemsContainer.Remove(item.CanvasObject)
+		l.removeQueueStatistics(status)
+		l.items[queueID] = queueLayoutItem{}
+	}
+}
+
+func (l *queueLayout) addQueueStatistics() {
+	l.GetQueueStatistics().GetWaiting().Add()
+	l.GetQueueStatistics().GetTotal().Add()
+}
+
+func (l *queueLayout) changeQueueStatistics(status convertor.StatusContract) {
+	if status == convertor.StatusType(convertor.InProgress) {
+		l.GetQueueStatistics().GetWaiting().Remove()
+		l.GetQueueStatistics().GetInProgress().Add()
+		return
+	}
+
+	if status == convertor.StatusType(convertor.Completed) {
+		l.GetQueueStatistics().GetInProgress().Remove()
+		l.GetQueueStatistics().GetCompleted().Add()
+		return
+	}
+
+	if status == convertor.StatusType(convertor.Error) {
+		l.GetQueueStatistics().GetInProgress().Remove()
+		l.GetQueueStatistics().GetError().Add()
+		return
+	}
+}
+
+func (l *queueLayout) removeQueueStatistics(status convertor.StatusContract) {
+	l.GetQueueStatistics().GetTotal().Remove()
+
+	if status == convertor.StatusType(convertor.Completed) {
+		l.GetQueueStatistics().GetCompleted().Remove()
+		return
+	}
+
+	if status == convertor.StatusType(convertor.Error) {
+		l.GetQueueStatistics().GetError().Remove()
+		return
+	}
+
+	if status == convertor.StatusType(convertor.InProgress) {
+		l.GetQueueStatistics().GetInProgress().Remove()
+		return
+	}
+
+	if status == convertor.StatusType(convertor.Waiting) {
+		l.GetQueueStatistics().GetWaiting().Remove()
+		return
+	}
+}
+
+func (l *queueLayout) getStatusTitle(status convertor.StatusContract) string {
+	return lang.L(status.Name() + "Queue")
+}
+
+func (l *queueLayout) getStatusColor(status convertor.StatusContract) color.Color {
+	if status == convertor.StatusType(convertor.Error) {
+		return theme.Color(theme.ColorNameError)
+	}
+
+	if status == convertor.StatusType(convertor.Completed) {
+		return color.RGBA{R: 49, G: 127, B: 114, A: 255}
+	}
+
+	return theme.Color(theme.ColorNamePrimary)
+}
+
+type QueueStatisticsAllContract interface {
+	GetWaiting() QueueStatisticsContract
+	GetInProgress() QueueStatisticsContract
+	GetCompleted() QueueStatisticsContract
+	GetError() QueueStatisticsContract
+	GetTotal() QueueStatisticsContract
+
+	IsChecked(status convertor.StatusContract) bool
+}
+
+type queueAllStatistics struct {
+	waiting    QueueStatisticsContract
+	inProgress QueueStatisticsContract
+	completed  QueueStatisticsContract
+	error      QueueStatisticsContract
+	total      QueueStatisticsContract
+}
+
+func newQueueAllStatistics(queueItems *map[int]queueLayoutItem) QueueStatisticsAllContract {
+	checkboxWaiting := newQueueStatistics()
+	checkboxInProgress := newQueueStatistics()
+	checkboxCompleted := newQueueStatistics()
+	checkboxError := newQueueStatistics()
+	CheckboxTotal := newQueueStatistics()
+
+	queueAllStatistics := &queueAllStatistics{
+		waiting:    checkboxWaiting,
+		inProgress: checkboxInProgress,
+		completed:  checkboxCompleted,
+		error:      checkboxError,
+		total:      CheckboxTotal,
+	}
+
+	CheckboxTotal.GetCheckbox().OnChanged = func(b bool) {
+		if b == true {
+			queueAllStatistics.allCheckboxChecked()
+		} else {
+			queueAllStatistics.allUnCheckboxChecked()
+		}
+		queueAllStatistics.redrawingQueueItems(queueItems)
+	}
+
+	checkboxWaiting.GetCheckbox().OnChanged = func(b bool) {
+		if b == true {
+			queueAllStatistics.checkboxChecked()
+		} else {
+			queueAllStatistics.unCheckboxChecked()
+		}
+		queueAllStatistics.redrawingQueueItems(queueItems)
+	}
+
+	checkboxInProgress.GetCheckbox().OnChanged = func(b bool) {
+		if b == true {
+			queueAllStatistics.checkboxChecked()
+		} else {
+			queueAllStatistics.unCheckboxChecked()
+		}
+		queueAllStatistics.redrawingQueueItems(queueItems)
+	}
+
+	checkboxCompleted.GetCheckbox().OnChanged = func(b bool) {
+		if b == true {
+			queueAllStatistics.checkboxChecked()
+		} else {
+			queueAllStatistics.unCheckboxChecked()
+		}
+		queueAllStatistics.redrawingQueueItems(queueItems)
+	}
+
+	checkboxError.GetCheckbox().OnChanged = func(b bool) {
+		if b == true {
+			queueAllStatistics.checkboxChecked()
+		} else {
+			queueAllStatistics.unCheckboxChecked()
+		}
+		queueAllStatistics.redrawingQueueItems(queueItems)
+	}
+
+	return queueAllStatistics
+}
+
+func (s *queueAllStatistics) GetWaiting() QueueStatisticsContract {
+	return s.waiting
+}
+
+func (s *queueAllStatistics) GetInProgress() QueueStatisticsContract {
+	return s.inProgress
+}
+
+func (s *queueAllStatistics) GetCompleted() QueueStatisticsContract {
+	return s.completed
+}
+
+func (s *queueAllStatistics) GetError() QueueStatisticsContract {
+	return s.error
+}
+
+func (s *queueAllStatistics) GetTotal() QueueStatisticsContract {
+	return s.total
+}
+
+func (s *queueAllStatistics) IsChecked(status convertor.StatusContract) bool {
+	if status == convertor.StatusType(convertor.InProgress) {
+		return s.inProgress.GetCheckbox().Checked
+	}
+	if status == convertor.StatusType(convertor.Completed) {
+		return s.completed.GetCheckbox().Checked
+	}
+	if status == convertor.StatusType(convertor.Error) {
+		return s.error.GetCheckbox().Checked
+	}
+	if status == convertor.StatusType(convertor.Waiting) {
+		return s.waiting.GetCheckbox().Checked
+	}
+
+	return true
+}
+
+func (s *queueAllStatistics) redrawingQueueItems(queueItems *map[int]queueLayoutItem) {
+	for _, item := range *queueItems {
+		if s.IsChecked(*item.status) == true && item.CanvasObject.Visible() == false {
+			item.CanvasObject.Show()
+			continue
+		}
+		if s.IsChecked(*item.status) == false && item.CanvasObject.Visible() == true {
+			item.CanvasObject.Hide()
+		}
+	}
+}
+
+func (s *queueAllStatistics) checkboxChecked() {
+	if s.total.GetCheckbox().Checked == true {
+		return
+	}
+
+	if s.waiting.GetCheckbox().Checked == false {
+		return
+	}
+
+	if s.inProgress.GetCheckbox().Checked == false {
+		return
+	}
+
+	if s.completed.GetCheckbox().Checked == false {
+		return
+	}
+
+	if s.error.GetCheckbox().Checked == false {
+		return
+	}
+
+	s.total.GetCheckbox().Checked = true
+	s.total.GetCheckbox().Refresh()
+}
+
+func (s *queueAllStatistics) unCheckboxChecked() {
+	if s.total.GetCheckbox().Checked == false {
+		return
+	}
+
+	s.total.GetCheckbox().Checked = false
+	s.total.GetCheckbox().Refresh()
+}
+
+func (s *queueAllStatistics) allCheckboxChecked() {
+	s.waiting.GetCheckbox().Checked = true
+	s.waiting.GetCheckbox().Refresh()
+
+	s.inProgress.GetCheckbox().Checked = true
+	s.inProgress.GetCheckbox().Refresh()
+
+	s.completed.GetCheckbox().Checked = true
+	s.completed.GetCheckbox().Refresh()
+
+	s.error.GetCheckbox().Checked = true
+	s.error.GetCheckbox().Refresh()
+}
+
+func (s *queueAllStatistics) allUnCheckboxChecked() {
+	s.waiting.GetCheckbox().Checked = false
+	s.waiting.GetCheckbox().Refresh()
+
+	s.inProgress.GetCheckbox().Checked = false
+	s.inProgress.GetCheckbox().Refresh()
+
+	s.completed.GetCheckbox().Checked = false
+	s.completed.GetCheckbox().Refresh()
+
+	s.error.GetCheckbox().Checked = false
+	s.error.GetCheckbox().Refresh()
+}
+
+type QueueStatisticsContract interface {
+	SetTitle(title string)
+	GetCheckbox() *widget.Check
+	Add()
+	Remove()
+}
+
+type queueStatistics struct {
+	checkbox *widget.Check
+	title    string
+	count    int64
+}
+
+func newQueueStatistics() QueueStatisticsContract {
+	checkbox := widget.NewCheck(": 0", nil)
+	checkbox.Checked = true
+
+	return &queueStatistics{
+		checkbox: checkbox,
+		title:    "",
+		count:    0,
+	}
+}
+
+func (s *queueStatistics) SetTitle(title string) {
+	s.title = strings.ToLower(title)
+	s.checkbox.Text = title + ": " + strconv.FormatInt(s.count, 10)
+}
+
+func (s *queueStatistics) GetCheckbox() *widget.Check {
+	return s.checkbox
+}
+
+func (s *queueStatistics) Add() {
+	s.count += 1
+	s.formatText()
+}
+
+func (s *queueStatistics) Remove() {
+	if s.count == 0 {
+		return
+	}
+	s.count -= 1
+	s.formatText()
+}
+
+func (s *queueStatistics) formatText() {
+	fyne.Do(func() {
+		s.checkbox.Text = s.title + ": " + strconv.FormatInt(s.count, 10)
+		s.checkbox.Refresh()
+	})
+}
+
+type queueLayoutItem struct {
+	CanvasObject      fyne.CanvasObject
+	BlockMessageError *container.Scroll
+	StatusMessage     *canvas.Text
+	MessageError      *canvas.Text
+	buttonPlay        *widget.Button
+	status            *convertor.StatusContract
+}

internal/resources/icon.go

@@ -0,0 +1,13 @@
+package resources
+
+import (
+	_ "embed"
+	"fyne.io/fyne/v2"
+)
+
+//go:embed icons/logo.png
+var iconAppLogo []byte
+
+func IconAppLogoResource() *fyne.StaticResource {
+	return fyne.NewStaticResource("icon.png", iconAppLogo)
+}

internal/resources/translation.go

@@ -0,0 +1,12 @@
+package resources
+
+import (
+	"embed"
+)
+
+//go:embed translations
+var translations embed.FS
+
+func GetTranslations() embed.FS {
+	return translations
+}

internal/resources/translations/app.en.json

@@ -0,0 +1,143 @@
+{
+  "AlsoUsedProgram": "The program also uses:",
+  "about": "About",
+  "aboutText": "A simple interface for the FFmpeg console utility. \nBut I am not the author of the FFmpeg utility itself.",
+  "addedFilesTitle": "Added files",
+  "autoClearAfterAddingToQueue": "Auto-clear after adding to queue",
+  "buttonDownloadFFmpeg": "Download FFmpeg automatically",
+  "buttonForSelectedDirTitle": "Save to folder:",
+  "cancel": "Cancel",
+  "changeFFPath": "FFmpeg, FFprobe and FFplay",
+  "changeLanguage": "Change language",
+  "checkboxOverwriteOutputFilesTitle": "Allow file to be overwritten",
+  "choose": "choose",
+  "clearAll": "Clear List",
+  "completedQueue": "Completed",
+  "converterVideoFilesSubmitTitle": "Convert",
+  "converterVideoFilesTitle": "Video, audio and picture converter",
+  "download": "Download",
+  "downloadFFmpegFromSite": "Will be downloaded from the site:",
+  "downloadRun": "Downloading...",
+  "dragAndDropFiles": "drag and drop files",
+  "encoderGroupAudio": "Audio",
+  "encoderGroupImage": "Images",
+  "encoderGroupVideo": "Video",
+  "encoder_apng": "APNG image",
+  "encoder_bmp": "BMP image",
+  "encoder_flv": "FLV",
+  "encoder_gif": "GIF image",
+  "encoder_h264_nvenc": "H.264 with NVIDIA support",
+  "encoder_libmp3lame": "libmp3lame MP3 (MPEG audio layer 3)",
+  "encoder_libshine": "libshine MP3 (MPEG audio layer 3)",
+  "encoder_libtwolame": "libtwolame MP2 (MPEG audio layer 2)",
+  "encoder_libvpx": "libvpx VP8 (codec vp8)",
+  "encoder_libvpx-vp9": "libvpx VP9 (codec vp9)",
+  "encoder_libwebp": "libwebp WebP image",
+  "encoder_libwebp_anim": "libwebp_anim WebP image",
+  "encoder_libx264": "H.264 libx264",
+  "encoder_libx265": "H.265 libx265",
+  "encoder_libxvid": "libxvidcore MPEG-4 part 2",
+  "encoder_mjpeg": "MJPEG (Motion JPEG)",
+  "encoder_mp2": "MP2 (MPEG audio layer 2)",
+  "encoder_mp2fixed": "MP2 fixed point (MPEG audio layer 2)",
+  "encoder_mpeg1video": "MPEG-1",
+  "encoder_mpeg2video": "MPEG-2",
+  "encoder_mpeg4": "MPEG-4 part 2",
+  "encoder_msmpeg4": "MPEG-4 part 2 Microsoft variant version 3",
+  "encoder_msmpeg4v2": "MPEG-4 part 2 Microsoft variant version 2",
+  "encoder_msvideo1": "Microsoft Video-1",
+  "encoder_png": "PNG image",
+  "encoder_qtrle": "QuickTime Animation (RLE) video",
+  "encoder_sgi": "SGI image",
+  "encoder_tiff": "TIFF image",
+  "encoder_wmav1": "Windows Media Audio 1",
+  "encoder_wmav2": "Windows Media Audio 2",
+  "encoder_wmv1": "Windows Media Video 7",
+  "encoder_wmv2": "Windows Media Video 8",
+  "encoder_xbm": "XBM (X BitMap) image",
+  "error": "An error has occurred!",
+  "errorConverter": "Couldn't convert video",
+  "errorDragAndDropFile": "Not all files were added",
+  "errorFFmpeg": "this is not FFmpeg",
+  "errorFFmpegVersion": "Could not determine FFmpeg version",
+  "errorFFplay": "this is not FFplay",
+  "errorFFplayVersion": "Could not determine FFplay version",
+  "errorFFprobe": "this is not FFprobe",
+  "errorFFprobeVersion": "Failed to determine FFprobe version",
+  "errorNoFilesAddedForConversion": "There are no files to convert",
+  "errorQueue": "Error",
+  "errorSelectedEncoder": "Converter not selected",
+  "errorSelectedFolderSave": "No save folder selected!",
+  "errorSelectedFormat": "File extension not selected",
+  "exit": "Exit",
+  "ffmpegLGPL": "This software uses libraries from the **FFmpeg** project under the **[LGPLv2.1](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)**.",
+  "ffmpegTrademark": "**FFmpeg** is a trademark of **[Fabrice Bellard](http://bellard.org/)**, originator of the **[FFmpeg](https://ffmpeg.org/about.html)** project.",
+  "fileForConversionTitle": "File:",
+  "fileQueueTitle": "Queue",
+  "formPreset": "Preset",
+  "gratitude": "Gratitude",
+  "gratitudeText": "I sincerely thank you for your invaluable\n\r and timely assistance:",
+  "help": "Help",
+  "helpFFplay": "FFplay Player Keys",
+  "helpFFplayActivateFrameStepMode": "Activate frame-by-frame mode.",
+  "helpFFplayCycleVideoFiltersOrShowModes": "A cycle of video filters or display modes.",
+  "helpFFplayDecreaseVolume": "Decrease the volume.",
+  "helpFFplayDescription": "Description",
+  "helpFFplayDoubleClickLeftMouseButton": "double click\nleft mouse button",
+  "helpFFplayIncreaseVolume": "Increase the volume.",
+  "helpFFplayKeyDown": "down",
+  "helpFFplayKeyHoldS": "hold S",
+  "helpFFplayKeyLeft": "left",
+  "helpFFplayKeyRight": "right",
+  "helpFFplayKeySpace": "SPACE",
+  "helpFFplayKeyUp": "up",
+  "helpFFplayKeys": "Keys",
+  "helpFFplayPause": "Pause or continue playing.",
+  "helpFFplayQuit": "Close the player.",
+  "helpFFplaySeekBForward10Minutes": "Fast forward 10 minutes.",
+  "helpFFplaySeekBForward1Minute": "Fast forward 1 minute.",
+  "helpFFplaySeekBackward10Minutes": "Rewind 10 minutes.",
+  "helpFFplaySeekBackward10Seconds": "Rewind 10 seconds.",
+  "helpFFplaySeekBackward1Minute": "Rewind 1 minute.",
+  "helpFFplaySeekForward10Seconds": "Fast forward 10 seconds.",
+  "helpFFplayToggleFullScreen": "Switch to full screen or exit full screen.",
+  "helpFFplayToggleMute": "Mute or unmute.",
+  "inProgressQueue": "In Progress",
+  "languageSelectionFormHead": "Switch language",
+  "languageSelectionHead": "Choose language",
+  "licenseLink": "License information",
+  "licenseLinkOther": "Licenses from other products used in the program",
+  "menuSettingsLanguage": "Language",
+  "menuSettingsTheme": "Theme",
+  "or": "or",
+  "parameterCheckbox": "Enable option",
+  "pathToFfmpeg": "Path to FFmpeg:",
+  "pathToFfplay": "Path to FFplay:",
+  "pathToFfprobe": "Path to FFprobe:",
+  "preset_fast": "fast (slower than \"faster\", but the file will weigh less)",
+  "preset_faster": "faster (slower than \"veryfast\", but the file will weigh less)",
+  "preset_medium": "medium (slower than \"fast\", but the file will weigh less)",
+  "preset_placebo": "placebo (not recommended)",
+  "preset_slow": "slow (slower than \"medium\", but the file will weigh less)",
+  "preset_slower": "slower (slower than \"slow\", but the file will weigh less)",
+  "preset_superfast": "superfast (slower than \"ultrafast\", but the file will weigh less)",
+  "preset_ultrafast": "ultrafast (fast, but the file will weigh a lot)",
+  "preset_veryfast": "veryfast (slower than \"superfast\", but the file will weigh less)",
+  "preset_veryslow": "veryslow (slower than \"slower\", but the file will weigh less)",
+  "programmLink": "Project website",
+  "programmVersion": "**Program version:** {{.Version}}",
+  "queue": "Queue",
+  "save": "Save",
+  "selectEncoder": "Encoder:",
+  "selectFFPathTitle": "Specify the path to FFmpeg and FFprobe",
+  "selectFormat": "File extension:",
+  "settings": "Settings",
+  "testFF": "Checking FFmpeg for serviceability...",
+  "themesNameDark": "Dark",
+  "themesNameDefault": "Default",
+  "themesNameLight": "Light",
+  "titleDownloadLink": "You can download it from here",
+  "total": "Total",
+  "unzipRun": "Unpacked...",
+  "waitingQueue": "Waiting"
+}

internal/resources/translations/app.kk.json

@@ -0,0 +1,143 @@
+{
+  "AlsoUsedProgram": "Бағдарлама сонымен қатар пайдаланады:",
+  "about": "Бағдарлама туралы",
+  "aboutText": "FFmpeg консоль утилитасы үшін қарапайым интерфейс. \nБірақ мен FFmpeg утилитасының авторы емеспін.",
+  "addedFilesTitle": "Қосылған файлдар",
+  "autoClearAfterAddingToQueue": "Кезекке қосқаннан кейін тазалаңыз",
+  "buttonDownloadFFmpeg": "FFmpeg автоматты түрде жүктеп алыңыз",
+  "buttonForSelectedDirTitle": "Қалтаға сақтаңыз:",
+  "cancel": "Болдырмау",
+  "changeFFPath": "FFmpeg, FFprobe және FFplay",
+  "changeLanguage": "Тілді өзгерту",
+  "checkboxOverwriteOutputFilesTitle": "Файлды қайта жазуға рұқсат беріңіз",
+  "choose": "таңдау",
+  "clearAll": "Тізімді өшіру",
+  "completedQueue": "Дайын",
+  "converterVideoFilesSubmitTitle": "Файлды түрлендіру",
+  "converterVideoFilesTitle": "Бейне, аудио және суретті түрлендіргіш",
+  "download": "Жүктеп алу",
+  "downloadFFmpegFromSite": "Сайттан жүктеледі:",
+  "downloadRun": "Жүктеп алынуда...",
+  "dragAndDropFiles": "файлдарды сүйреп апарыңыз",
+  "encoderGroupAudio": "Аудио",
+  "encoderGroupImage": "Суреттер",
+  "encoderGroupVideo": "Бейне",
+  "encoder_apng": "APNG image",
+  "encoder_bmp": "BMP image",
+  "encoder_flv": "FLV",
+  "encoder_gif": "GIF image",
+  "encoder_h264_nvenc": "NVIDIA қолдауымен H.264",
+  "encoder_libmp3lame": "libmp3lame MP3 (MPEG audio layer 3)",
+  "encoder_libshine": "libshine MP3 (MPEG audio layer 3)",
+  "encoder_libtwolame": "libtwolame MP2 (MPEG audio layer 2)",
+  "encoder_libvpx": "libvpx VP8 (codec vp8)",
+  "encoder_libvpx-vp9": "libvpx VP9 (codec vp9)",
+  "encoder_libwebp": "libwebp WebP image",
+  "encoder_libwebp_anim": "libwebp_anim WebP image",
+  "encoder_libx264": "H.264 libx264",
+  "encoder_libx265": "H.265 libx265",
+  "encoder_libxvid": "libxvidcore MPEG-4 part 2",
+  "encoder_mjpeg": "MJPEG (Motion JPEG)",
+  "encoder_mp2": "MP2 (MPEG audio layer 2)",
+  "encoder_mp2fixed": "MP2 fixed point (MPEG audio layer 2)",
+  "encoder_mpeg1video": "MPEG-1",
+  "encoder_mpeg2video": "MPEG-2",
+  "encoder_mpeg4": "MPEG-4 part 2",
+  "encoder_msmpeg4": "MPEG-4 part 2 Microsoft variant version 3",
+  "encoder_msmpeg4v2": "MPEG-4 part 2 Microsoft variant version 2",
+  "encoder_msvideo1": "Microsoft Video-1",
+  "encoder_png": "PNG image",
+  "encoder_qtrle": "QuickTime Animation (RLE) video",
+  "encoder_sgi": "SGI image",
+  "encoder_tiff": "TIFF image",
+  "encoder_wmav1": "Windows Media Audio 1",
+  "encoder_wmav2": "Windows Media Audio 2",
+  "encoder_wmv1": "Windows Media Video 7",
+  "encoder_wmv2": "Windows Media Video 8",
+  "encoder_xbm": "XBM (X BitMap) image",
+  "error": "Қате орын алды!",
+  "errorConverter": "Бейнені түрлендіру мүмкін болмады",
+  "errorDragAndDropFile": "Барлық файлдар қосылмаған",
+  "errorFFmpeg": "бұл FFmpeg емес",
+  "errorFFmpegVersion": "FFmpeg нұсқасын анықтау мүмкін болмады",
+  "errorFFplay": "бұл FFplay емес",
+  "errorFFplayVersion": "FFplay нұсқасын анықтау мүмкін болмады",
+  "errorFFprobe": "бұл FFprobe емес",
+  "errorFFprobeVersion": "FFprobe нұсқасын анықтау мүмкін болмады",
+  "errorNoFilesAddedForConversion": "Түрлендіруге арналған файлдар жоқ",
+  "errorQueue": "Қате",
+  "errorSelectedEncoder": "Түрлендіргіш таңдалмаған",
+  "errorSelectedFolderSave": "Сақтау қалтасы таңдалмаған!",
+  "errorSelectedFormat": "Файл кеңейтімі таңдалмаған",
+  "exit": "Шығу",
+  "ffmpegLGPL": "Бұл бағдарламалық құрал **[LGPLv2.1](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)** астында **FFmpeg** жобасының кітапханаларын пайдаланады.",
+  "ffmpegTrademark": "FFmpeg — **[FFmpeg](https://ffmpeg.org/about.html)** жобасын жасаушы **[Fabrice Bellard](http://bellard.org/)** сауда белгісі.",
+  "fileForConversionTitle": "Файл:",
+  "fileQueueTitle": "Кезек",
+  "formPreset": "Алдын ала орнатылған",
+  "gratitude": "Алғыс",
+  "gratitudeText": "Сізге баға жетпес және уақтылы көмектескеніңіз\n\r үшін шын жүректен алғыс айтамын:",
+  "help": "Анықтама",
+  "helpFFplay": "FFplay ойнатқышының пернелері",
+  "helpFFplayActivateFrameStepMode": "Уақыт аралығын іске қосыңыз.",
+  "helpFFplayCycleVideoFiltersOrShowModes": "Бейне сүзгілерінің немесе дисплей режимдерінің циклі.",
+  "helpFFplayDecreaseVolume": "Дыбыс деңгейін төмендетіңіз.",
+  "helpFFplayDescription": "Сипаттама",
+  "helpFFplayDoubleClickLeftMouseButton": "тінтуірдің сол жақ\nбатырмасын екі рет басу",
+  "helpFFplayIncreaseVolume": "Дыбыс деңгейін арттыру.",
+  "helpFFplayKeyDown": "төмен",
+  "helpFFplayKeyHoldS": "ұстау S",
+  "helpFFplayKeyLeft": "сол",
+  "helpFFplayKeyRight": "құқық",
+  "helpFFplayKeySpace": "SPACE (пробел)",
+  "helpFFplayKeyUp": "жоғары",
+  "helpFFplayKeys": "Кілттер",
+  "helpFFplayPause": "Кідіртіңіз немесе жоғалтуды жалғастырыңыз.",
+  "helpFFplayQuit": "Ойнатқышты жабыңыз.",
+  "helpFFplaySeekBForward10Minutes": "10 минутқа алға айналдырыңыз.",
+  "helpFFplaySeekBForward1Minute": "1 минутқа алға айналдырыңыз.",
+  "helpFFplaySeekBackward10Minutes": "10 минутқа артқа айналдырыңыз.",
+  "helpFFplaySeekBackward10Seconds": "10 секундқа артқа айналдырыңыз.",
+  "helpFFplaySeekBackward1Minute": "1 минутқа артқа айналдырыңыз.",
+  "helpFFplaySeekForward10Seconds": "10 секунд алға айналдырыңыз.",
+  "helpFFplayToggleFullScreen": "Толық экранға ауысу немесе толық экраннан шығу.",
+  "helpFFplayToggleMute": "Дыбысты өшіріңіз немесе дыбысты қосыңыз.",
+  "inProgressQueue": "Орындалуда",
+  "languageSelectionFormHead": "Тілді ауыстыру",
+  "languageSelectionHead": "Тілді таңдаңыз",
+  "licenseLink": "Лицензия туралы ақпарат",
+  "licenseLinkOther": "Бағдарламада пайдаланылатын басқа өнімдердің лицензиялары",
+  "menuSettingsLanguage": "Тіл",
+  "menuSettingsTheme": "Тақырып",
+  "or": "немесе",
+  "parameterCheckbox": "Опцияны қосу",
+  "pathToFfmpeg": "FFmpeg жол:",
+  "pathToFfplay": "FFplay жол:",
+  "pathToFfprobe": "FFprobe жол:",
+  "preset_fast": "fast («faster» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_faster": "faster («veryfast» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_medium": "medium («fast» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_placebo": "placebo (ұсынылмайды)",
+  "preset_slow": "slow («medium» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_slower": "slower («slow» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_superfast": "superfast («ultrafast» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_ultrafast": "ultrafast (жылдам, бірақ файлдың салмағы көп болады)",
+  "preset_veryfast": "veryfast («superfast» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "preset_veryslow": "veryslow («slower» қарағанда баяуырақ, бірақ файлдың салмағы аз болады)",
+  "programmLink": "Жобаның веб-сайты",
+  "programmVersion": "**Бағдарлама нұсқасы:** {{.Version}}",
+  "queue": "Кезек",
+  "save": "Сақтау",
+  "selectEncoder": "Кодировщик:",
+  "selectFFPathTitle": "FFmpeg және FFprobe жолын көрсетіңіз",
+  "selectFormat": "Файл кеңейтімі:",
+  "settings": "Параметрлер",
+  "testFF": "FFmpeg функционалдығы тексерілуде...",
+  "themesNameDark": "Қараңғы тақырып",
+  "themesNameDefault": "Әдепкі бойынша",
+  "themesNameLight": "Жеңіл тақырып",
+  "titleDownloadLink": "Сіз оны осы жерден жүктей аласыз",
+  "total": "Барлығы",
+  "unzipRun": "Орамнан шығарылуда...",
+  "waitingQueue": "Күту"
+}

internal/resources/translations/app.ru.json

@@ -0,0 +1,143 @@
+{
+  "AlsoUsedProgram": "Также в программе используется:",
+  "about": "О программе",
+  "aboutText": "Простенький интерфейс для консольной утилиты FFmpeg. \nНо я не являюсь автором самой утилиты FFmpeg.",
+  "addedFilesTitle": "Добавленные файлы",
+  "autoClearAfterAddingToQueue": "Очищать после добавления в очередь",
+  "buttonDownloadFFmpeg": "Скачать автоматически FFmpeg",
+  "buttonForSelectedDirTitle": "Сохранить в папку:",
+  "cancel": "Отмена",
+  "changeFFPath": "FFmpeg, FFprobe и FFplay",
+  "changeLanguage": "Поменять язык",
+  "checkboxOverwriteOutputFilesTitle": "Разрешить перезаписать файл",
+  "choose": "выбрать",
+  "clearAll": "Очистить список",
+  "completedQueue": "Готово",
+  "converterVideoFilesSubmitTitle": "Конвертировать",
+  "converterVideoFilesTitle": "Конвертер видео, аудио и картинок",
+  "download": "Скачать",
+  "downloadFFmpegFromSite": "Будет скачано с сайта:",
+  "downloadRun": "Скачивается...",
+  "dragAndDropFiles": "перетащить файлы",
+  "encoderGroupAudio": "Аудио",
+  "encoderGroupImage": "Картинки",
+  "encoderGroupVideo": "Видео",
+  "encoder_apng": "APNG image",
+  "encoder_bmp": "BMP image",
+  "encoder_flv": "FLV",
+  "encoder_gif": "GIF image",
+  "encoder_h264_nvenc": "H.264 с поддержкой NVIDIA",
+  "encoder_libmp3lame": "libmp3lame MP3 (MPEG audio layer 3)",
+  "encoder_libshine": "libshine MP3 (MPEG audio layer 3)",
+  "encoder_libtwolame": "libtwolame MP2 (MPEG audio layer 2)",
+  "encoder_libvpx": "libvpx VP8 (codec vp8)",
+  "encoder_libvpx-vp9": "libvpx VP9 (codec vp9)",
+  "encoder_libwebp": "libwebp WebP image",
+  "encoder_libwebp_anim": "libwebp_anim WebP image",
+  "encoder_libx264": "H.264 libx264",
+  "encoder_libx265": "H.265 libx265",
+  "encoder_libxvid": "libxvidcore MPEG-4 part 2",
+  "encoder_mjpeg": "MJPEG (Motion JPEG)",
+  "encoder_mp2": "MP2 (MPEG audio layer 2)",
+  "encoder_mp2fixed": "MP2 fixed point (MPEG audio layer 2)",
+  "encoder_mpeg1video": "MPEG-1",
+  "encoder_mpeg2video": "MPEG-2",
+  "encoder_mpeg4": "MPEG-4 part 2",
+  "encoder_msmpeg4": "MPEG-4 part 2 Microsoft variant version 3",
+  "encoder_msmpeg4v2": "MPEG-4 part 2 Microsoft variant version 2",
+  "encoder_msvideo1": "Microsoft Video-1",
+  "encoder_png": "PNG image",
+  "encoder_qtrle": "QuickTime Animation (RLE) video",
+  "encoder_sgi": "SGI image",
+  "encoder_tiff": "TIFF image",
+  "encoder_wmav1": "Windows Media Audio 1",
+  "encoder_wmav2": "Windows Media Audio 2",
+  "encoder_wmv1": "Windows Media Video 7",
+  "encoder_wmv2": "Windows Media Video 8",
+  "encoder_xbm": "XBM (X BitMap) image",
+  "error": "Произошла ошибка!",
+  "errorConverter": "не смогли отконвертировать видео",
+  "errorDragAndDropFile": "Не все файлы добавились",
+  "errorFFmpeg": "это не FFmpeg",
+  "errorFFmpegVersion": "Не смогли определить версию FFmpeg",
+  "errorFFplay": "это не FFplay",
+  "errorFFplayVersion": "Не смогли определить версию FFplay",
+  "errorFFprobe": "это не FFprobe",
+  "errorFFprobeVersion": "Не смогли определить версию FFprobe",
+  "errorNoFilesAddedForConversion": "Нет файлов для конвертации",
+  "errorQueue": "Ошибка",
+  "errorSelectedEncoder": "Конвертер не выбран",
+  "errorSelectedFolderSave": "Папка для сохранения не выбрана!",
+  "errorSelectedFormat": "Расширение файла не выбрана",
+  "exit": "Выход",
+  "ffmpegLGPL": "Это программное обеспечение использует библиотеки из проекта **FFmpeg** под **[LGPLv2.1](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)**.",
+  "ffmpegTrademark": "**FFmpeg** — торговая марка **[Fabrice Bellard](http://bellard.org/)** , создателя проекта **[FFmpeg](https://ffmpeg.org/about.html)**.",
+  "fileForConversionTitle": "Файл:",
+  "fileQueueTitle": "Очередь",
+  "formPreset": "Предустановка",
+  "gratitude": "Благодарность",
+  "gratitudeText": "Я искренне благодарю вас за неоценимую\n\rи своевременную помощь:",
+  "help": "Справка",
+  "helpFFplay": "Клавиши проигрывателя FFplay",
+  "helpFFplayActivateFrameStepMode": "Активировать покадровый режим.",
+  "helpFFplayCycleVideoFiltersOrShowModes": "Цикл видеофильтров или режимов показа.",
+  "helpFFplayDecreaseVolume": "Уменьшить громкость.",
+  "helpFFplayDescription": "Описание",
+  "helpFFplayDoubleClickLeftMouseButton": "двойной щелчок\nлевой кнопкой мыши",
+  "helpFFplayIncreaseVolume": "Увеличить громкость.",
+  "helpFFplayKeyDown": "вниз",
+  "helpFFplayKeyHoldS": "держать S",
+  "helpFFplayKeyLeft": "лево",
+  "helpFFplayKeyRight": "право",
+  "helpFFplayKeySpace": "SPACE (пробел)",
+  "helpFFplayKeyUp": "вверх",
+  "helpFFplayKeys": "Клавиши",
+  "helpFFplayPause": "Поставить на паузу или продолжить проигрывать.",
+  "helpFFplayQuit": "Закрыть проигрыватель.",
+  "helpFFplaySeekBForward10Minutes": "Перемотать вперёд на 10 минут.",
+  "helpFFplaySeekBForward1Minute": "Перемотать вперёд на 1 минуту.",
+  "helpFFplaySeekBackward10Minutes": "Перемотать назад на 10 минут.",
+  "helpFFplaySeekBackward10Seconds": "Перемотать назад на 10 секунд.",
+  "helpFFplaySeekBackward1Minute": "Перемотать назад на 1 минуту.",
+  "helpFFplaySeekForward10Seconds": "Перемотать вперёд на 10 секунд.",
+  "helpFFplayToggleFullScreen": "Переключиться на полный экран или выйти с полного экрана.",
+  "helpFFplayToggleMute": "Отключить звук или включить звук.",
+  "inProgressQueue": "Выполняется",
+  "languageSelectionFormHead": "Переключить язык",
+  "languageSelectionHead": "Выберите язык",
+  "licenseLink": "Сведения о лицензии",
+  "licenseLinkOther": "Лицензии от других продуктов, которые используются в программе",
+  "menuSettingsLanguage": "Язык",
+  "menuSettingsTheme": "Тема",
+  "or": "или",
+  "parameterCheckbox": "Включить параметр",
+  "pathToFfmpeg": "Путь к FFmpeg:",
+  "pathToFfplay": "Путь к FFplay:",
+  "pathToFfprobe": "Путь к FFprobe:",
+  "preset_fast": "fast (медленней чем faster, но будет файл и меньше весить)",
+  "preset_faster": "faster (медленней чем veryfast, но будет файл и меньше весить)",
+  "preset_medium": "medium (медленней чем fast, но будет файл и меньше весить)",
+  "preset_placebo": "placebo (не рекомендуется)",
+  "preset_slow": "slow (медленней чем medium, но будет файл и меньше весить)",
+  "preset_slower": "slower (медленней чем slow, но будет файл и меньше весить)",
+  "preset_superfast": "superfast (медленней чем ultrafast, но будет файл и меньше весить)",
+  "preset_ultrafast": "ultrafast (быстро, но файл будет много весить)",
+  "preset_veryfast": "veryfast (медленней чем superfast, но будет файл и меньше весить)",
+  "preset_veryslow": "veryslow (медленней чем slower, но будет файл и меньше весить)",
+  "programmLink": "Сайт проекта",
+  "programmVersion": "**Версия программы:** {{.Version}}",
+  "queue": "Очередь",
+  "save": "Сохранить",
+  "selectEncoder": "Кодировщик:",
+  "selectFFPathTitle": "Укажите путь к FFmpeg и к FFprobe",
+  "selectFormat": "Расширение файла:",
+  "settings": "Настройки",
+  "testFF": "Проверка FFmpeg на работоспособность...",
+  "themesNameDark": "Тёмная",
+  "themesNameDefault": "По умолчанию",
+  "themesNameLight": "Светлая",
+  "titleDownloadLink": "Скачать можно от сюда",
+  "total": "Всего",
+  "unzipRun": "Распаковывается...",
+  "waitingQueue": "В очереди"
+}

internal/resources/translations/base.en.json

@@ -0,0 +1,45 @@
+{
+  "Advanced": "Advanced",
+  "Cancel": "Cancel",
+  "Confirm": "Confirm",
+  "Copy": "Copy",
+  "Create Folder": "Create Folder",
+  "Cut": "Cut",
+  "Enter filename": "Enter filename",
+  "Error": "Error",
+  "Favourites": "Favourites",
+  "File": "File",
+  "Folder": "Folder",
+  "New Folder": "New Folder",
+  "No": "No",
+  "OK": "OK",
+  "Open": "Open",
+  "Paste": "Paste",
+  "Quit": "Quit",
+  "Redo": "Redo",
+  "Save": "Save",
+  "Select all": "Select all",
+  "Show Hidden Files": "Show Hidden Files",
+  "Undo": "Undo",
+  "Yes": "Yes",
+  "file.name": {
+    "other": "Name"
+  },
+  "file.parent": {
+    "other": "Parent"
+  },
+  "friday": "Friday",
+  "friday.short": "Fri",
+  "monday": "Monday",
+  "monday.short": "Mon",
+  "saturday": "Saturday",
+  "saturday.short": "Sat",
+  "sunday": "Sunday",
+  "sunday.short": "Sun",
+  "thursday": "Thursday",
+  "thursday.short": "Thu",
+  "tuesday": "Tuesday",
+  "tuesday.short": "Tue",
+  "wednesday": "Wednesday",
+  "wednesday.short": "Wed"
+}

internal/resources/translations/base.kk.json

@@ -0,0 +1,45 @@
+{
+  "Advanced": "Кеңейтілген",
+  "Cancel": "Бас тарту",
+  "Confirm": "Растау",
+  "Copy": "Көшіру",
+  "Create Folder": "Қалта жасау",
+  "Cut": "Кесу",
+  "Enter filename": "Файл атауын енгізіңіз",
+  "Error": "Қате",
+  "Favourites": "Таңдаулылар",
+  "File": "Файл",
+  "Folder": "Қалта",
+  "New Folder": "Жаңа қалта",
+  "No": "Жоқ",
+  "OK": "ОК",
+  "Open": "Ашу",
+  "Paste": "Кірістіру",
+  "Quit": "Шығу",
+  "Redo": "Қайталау",
+  "Save": "Сақтау",
+  "Select all": "Барлығын таңдаңыз",
+  "Show Hidden Files": "Жасырын файлдарды көрсету",
+  "Undo": "Бас тарту",
+  "Yes": "Иә",
+  "file.name": {
+    "other": "Аты"
+  },
+  "file.parent": {
+    "other": "Жоғары"
+  },
+  "friday": "Жұма",
+  "friday.short": "Жұ",
+  "monday": "Дүйсенбі",
+  "monday.short": "Дү",
+  "saturday": "Сенбі",
+  "saturday.short": "Сен",
+  "sunday": "Жексенбі",
+  "sunday.short": "Же",
+  "thursday": "Сейсенбі",
+  "thursday.short": "Се",
+  "tuesday": "Бейсенбі",
+  "tuesday.short": "Бе",
+  "wednesday": "Сәрсенбі",
+  "wednesday.short": "Сә"
+}

internal/resources/translations/base.ru.json

@@ -0,0 +1,45 @@
+{
+  "Advanced": "Расширенные",
+  "Cancel": "Отмена",
+  "Confirm": "Подтвердить",
+  "Copy": "Копировать",
+  "Create Folder": "Создать папку",
+  "Cut": "Вырезать",
+  "Enter filename": "Введите имя файла",
+  "Error": "Ошибка",
+  "Favourites": "Избранное",
+  "File": "Файл",
+  "Folder": "Папка",
+  "New Folder": "Новая папка",
+  "No": "Нет",
+  "OK": "ОК",
+  "Open": "Открыть",
+  "Paste": "Вставить",
+  "Quit": "Выйти",
+  "Redo": "Повторить",
+  "Save": "Сохранить",
+  "Select all": "Выбрать всё",
+  "Show Hidden Files": "Показать скрытые файлы",
+  "Undo": "Отменить",
+  "Yes": "Да",
+  "file.name": {
+    "other": "Имя"
+  },
+  "file.parent": {
+    "other": "Вверх"
+  },
+  "friday": "Пятница",
+  "friday.short": "Пт",
+  "monday": "Понедельник",
+  "monday.short": "Пн",
+  "saturday": "Суббота",
+  "saturday.short": "Сб",
+  "sunday": "Воскресенье",
+  "sunday.short": "Вс",
+  "thursday": "Вторник",
+  "thursday.short": "Вт",
+  "tuesday": "Четверг",
+  "tuesday.short": "Чт",
+  "wednesday": "Среда",
+  "wednesday.short": "Ср"
+}