[Libav-user] Help : Preserve meta data

[Rockland]

Hello all,

Can someone tells me which option I can add among my configure options to
preserve metadata during transcoding? In command line I know that the
option is map_metadata but I'm using libav
in my project.

This is my configure options :
 CONFIGURE_COMMAND
            env LD_PRELOAD=${ALGOLIB_DIR}/libalgolib.so
<SOURCE_DIR>/configure
            --prefix=<BINARY_DIR>
            --extra-cflags=-I<BINARY_DIR>/include
            --extra-ldflags=-L<BINARY_DIR>/lib
            --extra-libs=-lalgolib\ -lpthread
            --enable-gpl
            --enable-nonfree
            --enable-libfdk-aac
            --disable-doc
            --enable-pthreads
            --disable-programs
            --enable-shared
            --enable-static
            --enable-runtime-cpudetect

Regards
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