Chromium Widevine: support pre-84 chromium versions too

apps/Chromium Widevine/description

@@ -1,9 +1,12 @@
-Widevine DRM support for chromium-browser v84
-This adds the ChromeOS DRM video decoding library to Chromium, and sets a ChromeOS user-agent. Websites you browse will think your Pi is a Chromebook!
+Widevine DRM support for any version of chromium-browser.
+This adds ChromeOS's Widevine video decoding library to Chromium, and creates a second menu button with a ChromeOS user-agent. All websites will think your Pi is a Chromebook!
+Unlike Ventz's Chromium Media Edition, or even the official libwidevinecdm0 package, this app is unique to support all versions of Chromium, before version 84 and after version 84. Feel free to downgrade your browser for better video performance! (Using the "Downgrade Chromium" app)
+
 To run: Menu -> Internet -> Chromium Widevine.
 To test DRM: https://bitmovin.com/demos/drm
 For normal browsing, it's advisable to use the standard Chromium launcher.
-This works on these websites:
+
+This is known to work on these websites:
 • Netflix
 • Hulu
 • Amazon Prime

apps/Chromium Widevine/install-32

@@ -11,13 +11,13 @@ cd $HOME
 
 rm -rf ~/chromium-v84-widevine &>/dev/null
 
-git clone https://github.com/Botspot/chromium-v84-widevine || error 'Failed to clone example.com repository!'
+git clone https://github.com/Botspot/chromium-v84-widevine || error 'Failed to clone chromium-v84-widevine repository!'
 
 echo "[Desktop Entry]
 Version=1.0
 Name=Chromium Widevine
 GenericName=Web Browser
-Comment=Play Netflix & Spotify on Chromium v84
+Comment=The last several versions of RPi Chromium already use the Chromebook user-agent, so this menu button isn't necessary. But the icon looks too awesome to get rid of! And if you're using a pre-v84 Chromium version, this menu button may still be necessary.
 Exec=chromium-browser %U --user-agent="\""Mozilla/5.0 (X11; CrOS armv7l 12371.89.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36"\"" %U
 Terminal=false
 X-MultipleArgs=false
@@ -33,12 +33,10 @@ rm -rf ~/chromium-v84-widevine
 mkdir -p ~/.config/chromium-browser/WidevineCdm
 echo "{"\""Path"\"":"\""/opt/WidevineCdm"\""}" 1> ~/.config/chromium-browser/WidevineCdm/latest-component-updated-widevine-cdm
 
+#create old libwidevinecdm.so for older Chromium versions
+     #see https://github.com/Botspot/pi-apps/commit/803a7d3cc14d24ddc651af94927823aac1331e7e#diff-d56f6359d240f69e4164425b599d08869574fc013b9e5727951048914db12c5b
+sudo wget -O /usr/lib/chromium-browser/libwidevinecdm.so https://raw.githubusercontent.com/Botspot/pi-apps/f5b6c38602e5a8b075dc14d4b68ce02a77f5e745/apps/Chromium%20Media%20Edition/libwidevinecdm.so
+
 if [ ! -z "$(ps aux | grep /usr/lib/chromium-browser | grep -v grep)" ];then
   echo -e "\e[97mFor Chromium Widevine to work, you need to exit all instances of Chromium.\e[39m"
-  sleep 1
-  echo -en "\e[97m\nWaiting until Chromium is closed\e[39m"
-  while [ ! -z "$(ps aux | grep /usr/lib/chromium-browser | grep -v grep)" ];do
-    sleep 1
-    echo -n '.'
-  done
 fi

apps/Chromium Widevine/uninstall

@@ -7,7 +7,7 @@ function error {
   exit 1
 }
 
-sudo rm -rf /opt/WidevineCdm
+sudo rm -rf /opt/WidevineCdm /usr/lib/chromium-browser/libwidevinecdm.so
 
 rm -rf ~/chromium-v84-widevine ~/.local/share/applications/widevine-chromium.desktop ~/.config/chromium-browser/WidevineCdm/latest-component-updated-widevine-cdm &>/dev/null
 exit 0