I made it by hand (copy&paste) but I missed codec.c and conv_tch_afs_12_2. With codec.c from osmocom/codec/ and the asf tables from http://baseband-devel.722152.n3.nabble.com/libosmocore-viterbi-decoder-td286... http://baseband-devel.722152.n3.nabble.com/libosmocore-viterbi-decoder-td286... the compilation was ok.
I've found some deeper infos about asf @ http://fossies.org/dox/hxplay-11.0.0/amrdump_8cpp_source.html http://fossies.org/dox/hxplay-11.0.0/amrdump_8cpp_source.html .
In osmocom-bb we have a dummy burst indicator (bi->flags & BI_FLG_DUMMY). I think, these bursts have to be filtered.
Perhaps its easier to begin with FR, because with the sample from https://srlabs.de/airprobe-how-to/ we have FR and with osmocom-bb (mobile_app) and old Nokias ( http://www.panuworld.net/nuukiaworld/misc/netmon/tests.htm http://www.panuworld.net/nuukiaworld/misc/netmon/tests.htm ) EFR can be disabled to get FR.
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