Since 7ab4c928, osdep.h contains
calls to malloc/free.

This fixes building with MSVC targeting WinRT.

GPAC has native UTF-8 support nowadays.

Also move the compatibility code to input/avs.c since that's the only
remaining code that uses it now.

Should be called to free struct members allocated internally by libx264,
e.g. by x264_param_parse.
Partially based on !18 by Derek Buitenhuis.

Anton Mitrofanov authored 5 years ago and Anton Mitrofanov committed 4 years ago

Currently they are guaranteed to be positive.

This allows building x264 on systems where 'strings' or
'${HOST}-strings' does not exist, but llvm-strings exists.

checkasm10 with seed=511142008 failed on win32 gcc builds.

Closes videolan/x264#16.
Bug report by Zu-Ming Jiang.

last_non_b_pict_type is initialized to -1.
Bug report by Vitaly Buka.

Closes #9.

Bug report by Sam Panzer.

And other resolution dependent buffers checks.
Closes videolan/x264#10.