Godash is a go module to parse ISM files that corresponds to the Microsoft Smooth Streaming protocol
ssm, err := gosmooth.Unmarshal(ism)
if err != nil {
t.Fatal(err)
}
fmt.Println(ssm)
b, err := ssm.Marshal()
if err != nil {
t.Fatal(err)
}
fmt.Println(string(b))