Function av_packet_unpack_dictionary

pub unsafe extern "C" fn av_packet_unpack_dictionary(
    data: *const u8,
    size: usize,
    dict: *mut *mut AVDictionary,
) -> i32

Unpack a dictionary from side_data.

@param data data from side_data @param size size of the data @param dict the metadata storage dictionary @return 0 on success, < 0 on failure