Merge commit '3c16154a3309fe250177d69f3fcd5b6e9a82d1b3' into kraken * commit '3c16154a3309fe250177d69f3fcd5b6e9a82d1b3': Better handling of codec initialization failure in the player and thumbnail extractor. Return a runtime error instead of asserting if the software MPEG4/H.263 decoder fails to initialize.