Bug#1016687:

Looks like in new Mesa you will have to explicitly enable codec support for the ones that are patent encumbered: option( 'video-codecs', type : 'array', value : [], choices: [ 'vc1dec', 'h264dec', 'h264enc', 'h265dec', 'h265enc' ], description : 'List of patent encumbered codecs to build

Bug#958504:

Can we get this into testing/unstable somehow? It would be really convenient to have less of these crashing caused by this even if deprecated. Cheers, Florian