append_hvcC_nal_data 497 libheif/heif_file.cc Error HeifFile::append_hvcC_nal_data(heif_item_id id, const std::vector<uint8_t>& nal_data) append_hvcC_nal_data 532 libheif/heif_file.cc Error HeifFile::append_hvcC_nal_data(heif_item_id id, const uint8_t* data, size_t size)