Made it so that you can play files through FFplay.

internal/ffmpeg/ffplay.go

@@ -10,6 +10,7 @@ import (
 
 type FFplayContract interface {
 	GetPath() string
+	Play(file *File) error
 }
 
 type ffplay struct {
@@ -38,6 +39,13 @@ func (f *ffplay) GetPath() string {
 	return f.path
 }
 
+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)

internal/ffmpeg/utilities.go

@@ -4,8 +4,22 @@ 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 {
+	VideoFileInput       File
+	VideoFileOut         File
+	OverwriteOutputFiles bool
+	Encoder              encoder.EncoderContract
+}
+
 type UtilitiesContract interface {
 	UtilityCheck() bool