Power & Source of Big Ideas

I got the driver in here "https://github.com/mwelchuk/usbtv"; when I type "dkms build -m usbtv -v 1.0" It just return me error like the following Error! Your kernel headers for kernel 3.4.39-s5p4418 cannot be found. Please install the linux-headers-3.4.39-s5p4418 package, or use ...
I'm using a webcam that can output motion jpeg or yuyv442, I was using mjpg-streamer to streaming motion jpeg with a very smooth video on the a html page. But the problem is, motion jpeg need a lot bandwidth the frame rate drop a lot when using the mobile network on my phone. Is there any way to hav...
Hi I had same experience , both ffmpeg and ffplay seems to have problem, but the problem refer to the SD card. If the OS executed on an SD card , you can not play high definition videos. even there is a 720 p video in the Videos directory , when you play with normal size no problem appears but as s...
I am trying to use ffmpeg on nanopi2 for streaming h.264 (640x480 only with webcam (yuyv422 or mjpeg output)) but i don't know where to find or don't know how to enable the hardware accelerator for it (etc: vaapi). Software encode is very slow, I just get less than 5 fps for full cpu processing time...
I checked the "Make Your Own OS Image" guide
I can find anything talk about make the rootfs.
It is some way to make rootfs?
How do we edit the stuff inside the rootfs?
How to flash the uImage into SD?
How to pack everything into img file?