pub unsafe extern "C" fn vmeta_frame_v3_csv_header(
str_: *mut c_char,
maxlen: usize,
) -> usizeExpand description
Write a “Parrot Video Metadata” v3 frame metadata CSV file header string. The str string must have been previously allocated. The function writes up to maxlen characters. The CSV separator is a space character. @param str: pointer to the string to write to (output) @param maxlen: maximum length of the string @return the number of characters written