Fix stream selection flags for bytohgn fork

Reviewed-on: #12

src/downloaders.go

@@ -182,7 +182,11 @@ func getDownloadArgs(item Item, mpdPath string, tempDir string) ([]string, error
 		args = append(args, "--key", key)
 	}
 
-	args = append(args, "--auto-select")
+	args = append(args,
+		"--select-video", "best",
+		"--select-audio", "all",
+		"--select-subtitle", "all",
+	)
 
 	sanitizedFilename := sanitizeFilename(item.Filename)
 	args = append(args, "--save-name", sanitizedFilename)