 it at all. If audio forwarding has to be enabled, not all
codecs are equal from a security point of view. Using a codec without a
container reduces the complexity somewhat, but using a raw audio format
like <code>wav</code> is the safest option since there is no parsing
involved. The downside is that this is an uncompressed format, though
xpra does offer the option to compress <code>wav</code> using
<code>lz4</code>. That said, <code>mp3</code> is now over 30 years old
and the libraries parsing it are very