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Enable-2.5k-on-NX500.md

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Enabling 2.5k video on NX500

Note: This is an old method with very low bitrate. Suggested approach is via Vasile's or NX-KS modpack.

First see procedure of running shell scripts from SD card as explained here: Running arbitrary shell scripts from SD card

In nx_cs.adj file put:

sys_param movie size 2560_1440_30p
shell script /mnt/mmc/killdfmsd.sh

In killdfmsd.sh file put:

sleep 1
killall dfmsd

Killing dfmsd daemon enables the use of touchscreen.

Now, when you press the DEL (Trashcan / Video preview) button and enter the video mode you can see that the resolution icon id showing MJPEG (but it's not MJPEG - it's just the last icon it found when searching for the right one that does not exist).

Here is what ffmpeg says about the video stream

Stream #0:1(eng): Video: none (hvc1 / 0x31637668), 2560x1440, 11280 kb/s, 29.97 fps, 29.97 tbr, 120k tbn, 120k tbc 

So, very low bitrate - barely usable (it was a static scene, but still).