array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)
######################################################################## audioc
array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)
######################################################################## audioc