Hi everyone.
I’m new in RetroPie and I’m not expert of Linux…

I use Raspberry Pi 2 B for RetroPie with 32Gb microSD card.
RetroPie version is 3.3 (Last at that moment I think)

I use this guide for build ffmpeg, enable ffmpeg in this script

--enable-ffmpeg
...
PKG_CONFIG_PATH=/opt/ffmpeg/lib/pkgconfig ./configure --prefix="$md_inst" "${params[@]}"

and build retroarch.

After these steps, in RGUI appeared Recording menu and I add

...
video_gpu_record = true
...
recording_output_directory = "/home/pi/RetroPie/videos"
recording_config_directory = "/opt/retropie/configs/all"
...

in /…/all/retroarch.cfg file and add directories for output files and create cfg file from guide.

But I’m still don’t understand how record video. I tride play with retroarch.cfg but it has not given effect.

I would like to try it from CLI, but…
-bash: retroarch: command not found

P.S. Very sorry about my English. )=