Fixed a buffer overflow error when converting videos when the video is more than 2 hours long.

src/convertor/view.go

@@ -6,11 +6,13 @@ import (
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/storage"
 	"fyne.io/fyne/v2/widget"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/helper"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/localizer"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
 	"image/color"
+	"path/filepath"
 )
 
 type ViewContract interface {
@@ -78,14 +80,14 @@ func (v View) Main(
 			Widget: fileVideoForConversion,
 		},
 		{
-			Widget: fileVideoForConversionMessage,
+			Widget: container.NewHScroll(fileVideoForConversionMessage),
 		},
 		{
 			Text:   v.localizerService.GetMessage(&i18n.LocalizeConfig{MessageID: "buttonForSelectedDirTitle"}),
 			Widget: buttonForSelectedDir,
 		},
 		{
-			Widget: buttonForSelectedDirMessage,
+			Widget: container.NewHScroll(buttonForSelectedDirMessage),
 		},
 		{
 			Widget: checkboxOverwriteOutputFiles,
@@ -147,6 +149,8 @@ func (v View) getButtonFileVideoForConversion(form *widget.Form, progress *widge
 		MessageID: "choose",
 	})
 
+	var locationURI fyne.ListableURI
+
 	button := widget.NewButton(buttonTitle, func() {
 		fileDialog := dialog.NewFileOpen(
 			func(r fyne.URIReadCloser, err error) {
@@ -170,9 +174,15 @@ func (v View) getButtonFileVideoForConversion(form *widget.Form, progress *widge
 				progress.Value = 0
 				progress.Refresh()
 				conversionMessage.Text = ""
+
+				listableURI := storage.NewFileURI(filepath.Dir(r.URI().Path()))
+				locationURI, err = storage.ListerForURI(listableURI)
 			}, v.w)
 		helper.FileDialogResize(fileDialog, v.w)
 		fileDialog.Show()
+		if locationURI != nil {
+			fileDialog.SetLocation(locationURI)
+		}
 	})
 
 	return button, fileVideoForConversionMessage, fileInput
@@ -190,6 +200,8 @@ func (v View) getButtonForSelectingDirectoryForSaving() (button *widget.Button,
 		MessageID: "choose",
 	})
 
+	var locationURI fyne.ListableURI
+
 	button = widget.NewButton(buttonTitle, func() {
 		fileDialog := dialog.NewFolderOpen(
 			func(r fyne.ListableURI, err error) {
@@ -206,9 +218,14 @@ func (v View) getButtonForSelectingDirectoryForSaving() (button *widget.Button,
 
 				buttonMessage.Text = r.Path()
 				setStringSuccessStyle(buttonMessage)
+				locationURI, _ = storage.ListerForURI(r)
+
 			}, v.w)
 		helper.FileDialogResize(fileDialog, v.w)
 		fileDialog.Show()
+		if locationURI != nil {
+			fileDialog.SetLocation(locationURI)
+		}
 	})
 
 	return

src/convertor/view_setting.go

@@ -5,11 +5,13 @@ import (
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/storage"
 	"fyne.io/fyne/v2/widget"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/helper"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
 	"image/color"
 	"net/url"
+	"path/filepath"
 )
 
 func (v View) SelectFFPath(
@@ -47,7 +49,7 @@ func (v View) SelectFFPath(
 				Widget: buttonFFmpeg,
 			},
 			{
-				Widget: buttonFFmpegMessage,
+				Widget: container.NewHScroll(buttonFFmpegMessage),
 			},
 			{
 				Text: v.localizerService.GetMessage(&i18n.LocalizeConfig{
@@ -56,7 +58,7 @@ func (v View) SelectFFPath(
 				Widget: buttonFFprobe,
 			},
 			{
-				Widget: buttonFFprobeMessage,
+				Widget: container.NewHScroll(buttonFFprobeMessage),
 			},
 			{
 				Widget: errorMessage,
@@ -99,6 +101,12 @@ func (v View) getButtonSelectFile(path string) (filePath *string, button *widget
 		MessageID: "choose",
 	})
 
+	var locationURI fyne.ListableURI
+	if len(path) > 0 {
+		listableURI := storage.NewFileURI(filepath.Dir(path))
+		locationURI, _ = storage.ListerForURI(listableURI)
+	}
+
 	button = widget.NewButton(buttonTitle, func() {
 		fileDialog := dialog.NewFileOpen(
 			func(r fyne.URIReadCloser, err error) {
@@ -115,9 +123,15 @@ func (v View) getButtonSelectFile(path string) (filePath *string, button *widget
 
 				buttonMessage.Text = r.URI().Path()
 				setStringSuccessStyle(buttonMessage)
+
+				listableURI := storage.NewFileURI(filepath.Dir(r.URI().Path()))
+				locationURI, _ = storage.ListerForURI(listableURI)
 			}, v.w)
 		helper.FileDialogResize(fileDialog, v.w)
 		fileDialog.Show()
+		if locationURI != nil {
+			fileDialog.SetLocation(locationURI)
+		}
 	})
 
 	return

src/handler/convertor.go

@@ -178,19 +178,30 @@ func (p Progress) Run(stdOut io.ReadCloser, stdErr io.ReadCloser) error {
 	progress := 0.0
 
 	go func() {
-		scannerErr := bufio.NewScanner(stdErr)
-		for scannerErr.Scan() {
-			errorText = scannerErr.Text()
+		scannerErr := bufio.NewReader(stdErr)
+		for {
+			line, _, err := scannerErr.ReadLine()
+			if err != nil {
+				if err == io.EOF {
+					break
 				}
-		if err := scannerErr.Err(); err != nil {
-			errorText = err.Error()
+				continue
+			}
+			data := strings.TrimSpace(string(line))
+			errorText = data
 		}
 	}()
 
-	scannerOut := bufio.NewScanner(stdOut)
-	for scannerOut.Scan() {
-		data := scannerOut.Text()
-
+	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
 			p.progressbar.Refresh()