Opened input file for reading: ../firefly-rk3288_sdk_git.tar.gz
Opened output file for writing: firefly-rk3288_sdk_git.tar.recovered
Found error at byte -394639277 in input stream
Found good data at byte -395313152 in input stream
Total decompressed output = -334166016 bytes
In [2]: 2**32 -394639277
Out[2]: 3900328019
very good utility for (re)downloading files from chinese baidu.com site.
thanks a lot !!