Add GetFFprobeVersion method to retrieve FFprobe version details

Extended `FFprobeContract` with `GetVersion` to fetch FFprobe version. Implemented version extraction in `utilities` and `ffprobe` to support version retrieval functionality.

internal/ffmpeg/ffprobe.go

@@ -5,6 +5,7 @@ import (
 	"fyne.io/fyne/v2/lang"
 	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
 	"os/exec"
+	"regexp"
 	"strconv"
 	"strings"
 	"unicode"
@@ -12,6 +13,7 @@ import (
 
 type FFprobeContract interface {
 	GetPath() string
+	GetVersion() (string, error)
 	GetTotalDuration(file *File) (float64, error)
 }
 
@@ -41,6 +43,17 @@ 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...)

internal/ffmpeg/utilities.go

@@ -29,6 +29,7 @@ type UtilitiesContract interface {
 	ChangeFFmpeg(path string) error
 
 	GetFFprobe() (FFprobeContract, error)
+	GetFFprobeVersion() string
 	GetFFprobePath() string
 	ChangeFFprobe(path string) error
 
@@ -132,6 +133,19 @@ func (u *utilities) GetFFprobe() (FFprobeContract, error) {
 	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 {