The purpose is to hide a JPEG file A into another JPEG file B by altering some high-frequent DCT coefficients of B. Here A is read as bitstream. The flow of the files is: img.java -> jpeglibrary.java ...

Thanks for the report! This issue is very similar to #34. There is an ongoing work to link jpeg (and also gif and png) dependency libraries differently to drop additional shared libs (and basically ...