If this is caused by the libtheora problem mentioned in comment #2, the problem should be fixed in the recently uploaded package version 0.4.0-0ubuntu1.
But I suspect the correct fix is what @nospam19 wrote in comment #9, in which case I will fix it in some later upstream release.
If this is caused by the libtheora problem mentioned in comment #2, the problem should be fixed in the recently uploaded package version 0.4.0-0ubuntu1.
But I suspect the correct fix is what @nospam19 wrote in comment #9, in which case I will fix it in some later upstream release.