This project consists of JPEG compressors written for mobile platforms. It includes a partial Verilog and a partial C implementation of the original JPEG spec.
What's the POINT of it?
What are some salient features?
The Verilog jpeg compressor can be found under the jfpjc
directory. Right now, it only compresses 320x240 grayscale images and only synthesizes for an iCE40 UltraPlus FPGA, but I plan to make it more general.
It can compress 320x240 grayscale images on an iCE40 at 10fps while taking less than 4 milliWatts. The design has enough clock slack to work up to 90 frames per second, but I haven't tested beyond 40fps.
A C jpeg compressor for microcontrollers can be found under the jmcujc
directory. It's been tested on an Apollo3 microcontroller, where it can compress images at 3fps while taking about 10 milliWatts.