Refactor yt-dlp calls

ytdlp.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"bytes"
+	"os/exec"
+	"strings"
+)
+
+// runs ffprobe with the provided args and returns (stdout, stderr, error)
+func runYtdlp(args ...string) ([]byte, []byte, error) {
+	ytdlp := "yt-dlp"
+	log.Infoln(ytdlp, strings.Join(args, " "))
+	cmd := exec.Command(ytdlp, args...)
+	var stdout bytes.Buffer
+	var stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+	err := cmd.Run()
+
+	if err != nil {
+		log.Errorf("yt-dlp error: %v", err)
+	}
+	log.Infoln("stdout:", stdout.String())
+	log.Infoln("stderr:", stderr.String())
+	return stdout.Bytes(), stderr.Bytes(), err
+}