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This article mainly introduces Popmetal ubuntu system how to achieve jpeg hard solution, has a certain reference value, interested friends can refer to the next, I hope you read this article after a great harvest, the following let Xiaobian take you to understand.

Download and burn ubuntu firmware

Firmware address: http://chipspark.com/download/fi... opMetal_20150706.7z

Burning tools: http://chipspark.com/download/fi... ool_Release_v2.3.7z

System login password ubuntu

Download popmetal-kernel-3.14

git clone https://github.com/RockchipOpensourceCommunity/popmetal-kernel-3.14.git -b popmetal-ubuntu-video

Compile kernel

make rockchip_defconfig

make rk3288-popmetal.img

Write resource.img kernel.img

Compiling jpeg_test on popmetal development board

Open board ssh service

sudo apt-get install openssh-server

sudo /etc/init.d/ssh start

Copy libs.tar.gz jpeg_test.tar.gz to the board.

Copy libs.tar.gz to the board under/usr/lib

Unzip jpeg_test:

cd jpeg_test

make

sudo ./ jpeg_test -i test.jpg -coding 8 -w 1024 -h 640 -o test.yuv

You can use yuvplayer.exe to see if the images in test.yuv are correct. The color is NV12.

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