dca: fix misaligned access in avpriv_dca_convert_bitstream
authorAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Tue, 12 Jan 2016 23:52:58 +0000 (00:52 +0100)
committerAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Thu, 28 Jan 2016 00:21:15 +0000 (01:21 +0100)
commit1d8a6a46a30393608fa618472aeb48bc5e469db2
tree2aa6d535a0bc7bbea8f45eeabe68c05a266ba88e
parente577e712a8a22571068f6d02177d067d67a21931
dca: fix misaligned access in avpriv_dca_convert_bitstream

src and dst are only 8-bit-aligned, so accessing them as uint16_t causes
SIGBUS crashes on architectures like sparc.

This fixes ubsan runtime error: load of misaligned address for type
'const uint16_t', which requires 2 byte alignment

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 44ac13eed49593f4f8efdb72ab0d5b48e05aa305)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
libavcodec/dca.c