It is jpeg_decoder program. Source code are C and Verilog HDL.File .c reads data from jpeg and convert it to binary bit stream.Decoder is by verilog file

An open source JPEG codec library optimized for embedded system, including both encoder and decoder. Compact, optimized for specific hardware, easy to be ported to various embedded OS, ESL tools like Handel-C, multi-processor systems and FPGA.