Twitch streams on WD TV live

I have just installed Serviio on my Ubuntu 12.04 server with the Twitch plugin to stream through to a WD TV live. The stream qualities are being picked up on the the WD but when i try and play any of them i get unable to play the selected file. Taking a quick look at the log shows,

2013-08-31 21:42:34,986 WARN [FeedUpdaterThread] Failed to retrieve online item information for rtmp://199.9.253.150/app playpath=jtv_cXiMiWGz7QVTkDjo swfUrl=http://www-cdn.jtvnw.net/widgets/live_embed_player.rc2e366cd1e1d813803f9a52856d310c82c331064.swf swfVfy=1 jtv=4b475322f146e5e08d1508558ef78c611a4c046c:{"swfDomains":\20["justin.tv",\20"jtvx.com",\20"xarth.com",\20"twitchtv.com",\20"twitch.tv",\20"newjtv.com",\20"jtvnw.net",\20"wdtinc.com",\20"imapweather.com",\20"facebook.com",\20"starcrafting.com"],\20"streamName":\20"jtv_cXiMiWGz7QVTkDjo",\20"expiration":\201377985354,\20"server":\20"video30-2.sfo01"} live=1. It might not play.
java.io.IOException: org.serviio.library.local.metadata.extractor.InvalidMediaFormatException: Unknown video file type.
at org.serviio.library.online.metadata.FeedUpdaterThread.retrieveMetadata(FeedUpdaterThread.java:320)
at org.serviio.library.online.metadata.FeedUpdaterThread.retrieveTechnicalMetadata(FeedUpdaterThread.java:237)
at org.serviio.library.online.metadata.FeedUpdaterThread.run(FeedUpdaterThread.java:116)
Caused by: org.serviio.library.local.metadata.extractor.InvalidMediaFormatException: Unknown video file type.
at org.serviio.library.metadata.FFmpegMetadataRetriever.validateMandatoryMetadata(FFmpegMetadataRetriever.java:454)
at org.serviio.library.metadata.FFmpegMetadataRetriever.retrieveMetadata(FFmpegMetadataRetriever.java:97)
at org.serviio.library.metadata.FFmpegMetadataRetriever.retrieveOnlineMetadata(FFmpegMetadataRetriever.java:135)
at org.serviio.library.online.metadata.FeedUpdaterThread.retrieveMetadata(FeedUpdaterThread.java:297)
... 2 more
2013-08-31 21:42:35,192 INFO [BrowsingCategoriesMessages] Loaded browsing categories message bundle for locale: en
2013-08-31 21:42:43,413 WARN [ProcessExecutor] Process ffmpeg has a return code of 1! This is a possible error. Detailed output follows.


Is this a transcoding problem or something to do with the twitch plugin? Any help greatly appreciated.

[zip]

There was a problem with this on Windows, which 1.3.1 fixed. Are you using the latest Serviio and the latest plugin?