avcodec/dv_profile: deprecate internal function that shouldn't be public

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
tests/utils: make arguments const that arent changed

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/os_support: Add _DEFAULT_SOURCE to hide warning about _SVID_SOURCE depreciation

As suggested, this just adds _DEFAULT_SOURCE while preserving
_SVID_SOURCE for whatever old systems still need it.

Signed-off-by: Daniel Bomar <dbdaniel42@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/dvdsubdec: fix VD/SD identifier name

Found-by: Nicholas Robbins <nickrobbins-at-yahoo.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
x86/me_cmp: port mmxext vsad functions to yasm

Also add mmxext versions of vsad8 and vsad_intra8, and sse2 versions of
vsad16 and vsad_intra16.
Since vsad8 and vsad16 are not bitexact, they are accordingly marked as
approximate.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>