Backport of "matroskademux, qtdemux: Fix integer overflows in zlib/bz2/etc decompression code" into 1.20
requested to merge tpm/gstreamer:backport-mr-2610-into-1.20-sec-1225-matroskademux-qtdemux into 1.20
Backport of !2610 (merged) "matroskademux, qtdemux: Fix integer overflows in zlib/bz2/etc decompression code".
Commits: