Powershell script to download Videos from Crunchyroll using YouTube-DL and browser cookies for authentification.

crunchyroll.ps1

# Installation:
# 
# Copy the script into any directory that is in your PATH variable. 
# You can call it from PS using the file name i.e. crunchyroll.
#
# You can find more information on how to edit the PATH and other 
# environment variables on the offical Microsoft documentation:
# https://learn.microsoft.com/en-us/windows/win32/procthread/environment-variables
#
# Usage:
#  > crunchyroll -browser brave https://www.crunchyroll.com/de/watch/...
#  > crunchyroll -browser brave -subtitles en-GB https://www.crunchyroll.com/de/watch/...
#  > crunchyroll -browser brave -subtitles en-GB -threads 8 https://www.crunchyroll.com/de/watch/...
#
# Author: Patrick Henninger
# License: GNU GPL v3
#
Param(
    # URL of the Video
    [string]$url,

    # Use provided "-browser <NAME>" option or ask for input
    [string]$browser   = $( Read-Host "Input browser to scan login cookies from (chrome,brave,opera,firefox,edge)" ),

    # Use german subtitles as default
    [string]$subtitles = "de-DE",

    # Use half of all threads as default
    [int]   $threads   = [math]::ceiling(((Get-ComputerInfo -Property CsProcessors).CsProcessors).NumberOfLogicalProcessors / 2)
)

# Build the command
$CMD = @('youtube-dl')

# Don't lock up the whole system by limiting threads
$CMD += "--postprocessor-args '-threads $threads'"

# Always use matroska container instead of mp4
$CMD += '--recode-video mkv'

# Include subtitles
$CMD += '--write-su'
$CMD += "--sub-lang $subtitles"

# Use cookies from browser to log in
$CMD += "--cookies-from-browser $browser"

# Add the URL to be downloaded
$CMD += "$url"

# Finalize the command by concatenating it using spaces
$FINAL = $CMD -join " "

# Execute the finalized command
Invoke-Expression $FINAL