Make a choice of the encoder in the form

Made a choice of the encoder by categories: video, audio and photo.

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),
+		},
+	}
+}