All the removed names are already mentioned in the commit log, or are
listed as copyright holders in the contributed files.

Amongst the removed names, the following ones were not listed in the
commit log:

Mario Brito (Xan DPCM decoder)
Brian Foley (DSP utils optimizations)
Vladimir Gneushev (lavf/lavc)
Juan J. Sierralta (H.263)
Ewald Snel (qdm2, cinepak)
Lionel Ulmer (DSP utils optimizations)