1 files changed, 35 insertions, 0 deletions
diff --git a/Audio/Meta.go b/Audio/Meta.go
new file mode 100644
index 0000000..9e288f3
--- /dev/null
+++ b/Audio/Meta.go
@@ -0,0 +1,35 @@
+package audio
+
+import (
+	"io"
+	"os"
+	"time"
+
+	"github.com/tcolgate/mp3"
+)
+
+func GetSongDuration(path string) (time.Duration, error) {
+	var file, fopenErr = os.Open(path)
+	if fopenErr != nil {
+		return time.Duration(0), fopenErr
+	}
+	defer file.Close()
+
+	var track = mp3.NewDecoder(file)
+	var duration time.Duration
+	var frame mp3.Frame
+	var skipped = 0
+
+	for {
+		var err = track.Decode(&frame, &skipped)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return time.Duration(0), err
+		}
+
+		duration += frame.Duration()
+	}
+	return duration, nil
+}