got an "Out of memory" error when doing avstream and video changed size(start of C4 news)can't see how avstream can cause an out of memory errorSky Teletext - can't find PIDs for tags 1 and 2BBC News Multiscreen - can't find default a/v PIDslook into new splice() and tee() syscalls in 2.6.17 kernel for avstreambe able to read from a fileuse a linked list of modules rather than an array in struct carousel=> easier to delete/add modulestransactionId in DII messages is a version number=> need to download again if it gets bigger(we currently just look at the module version, is this enough?)create carousels/PID/CID dir in add_dsmcc_pid()(may need to use carousels/<assoc_tag> as stream2pid may return 0)