• https://retropie.org.uk/forum/topic/15764/script-retropie-convert-videos

pi@mnretrogamer014:~ $ git clone https://github.com/hiulit/RetroPie-Convert-Videos.git
Cloning into 'RetroPie-Convert-Videos'...
remote: Enumerating objects: 154, done.
remote: Counting objects: 100% (154/154), done.
remote: Compressing objects: 100% (102/102), done.
remote: Total 461 (delta 92), reused 111 (delta 51), pack-reused 307
Receiving objects: 100% (461/461), 138.75 KiB | 2.31 MiB/s, done.
Resolving deltas: 100% (280/280), done.
pi@mnretrogamer014:~ $ cd RetroPie-Convert-Videos/
pi@mnretrogamer014:~/RetroPie-Convert-Videos $ sudo chmod +x retropie-convert-videos.sh
pi@mnretrogamer014:~/RetroPie-Convert-Videos $ vi retropie-convert-videos-settings.cfg
pi@mnretrogamer014:~/RetroPie-Convert-Videos $ cat retropie-convert-videos-settings.cfg
# Settings for RetroPie Convert Videos.
#
# TIP: run the 'ffmpeg -pix_fmts' command to get a full list of Color Encoding Systems (C.E.S).

# From color (optional)
# Target only videos with this particular C.E.S.
# If left blank, it will target all videos, regardless of the C.E.S.
# (e.g. "yuv444p")

from_ces = ""

# To color (mandatory)
# Convert videos to this particular C.E.S.
# (e.g. "yuv420p")

to_ces = "yuv420p"

# Scraper (mandatory)
# The scraper used to get the videos.
# Available scrapers:
# - "sselph" (Steven Selph's Scraper).
# - "skyscraper" (Lars Muldjord's Skyscraper).

scraper = "sselph"

# ROMs folder path (optional)
# Set the path to the ROMs folder. By default it's "/home/pi/RetroPie/roms".
# (e.g. "/path/to/your/roms/folder")

roms_path = "/home/pi/RetroPie/roms"
pi@mnretrogamer014:~/RetroPie-Convert-Videos $ ./retropie-convert-videos.sh --convert-all

mame-libretro
-------------
> "pacman-video.mp4" --> SUCCESSFUL!
> "bublbobl-video.mp4" --> SUCCESSFUL!
> "mario-video.mp4" --> SUCCESSFUL!


3 videos were successful.

See the log file in '/home/pi/RetroPie-Convert-Videos/logs'.