Cache the video/audio content displayed by various websites, and download it
Download the zip file for your browser from the Releases tab. Then, depending on your browser:
Go to the chrome://extensions page, and enable the Developer mode slider.
Extract the .zip file, and then on your browser click on the
Load unpacked extension button. Choose the directory where you've extracted
the .zip file, and the extension will be installed.
Just download it from Mozilla Addons: https://addons.mozilla.org/it/firefox/addon/media-cache
If you want to sideload it, go to about:debugging#/runtime/this-firefox, and
click on the Load Temporary Add-on button. Choose the .zip file, and the
extension will be installed.
There's a script that can be run from the DevTools's console (or other tools that permit to run JavaScript code in webpages). Look at the latest release, and copy/paste the:
ConsoleScript-UI.jsfile if you want to have a button at the top-right corner to download the contentConsoleScript-Console.jsfile if you want to use the script directly from the console. Documentation on the available commands will be added soon.
In case you've chosen the UI, you'll find a button with the download icon at the top-right. Click it to show the available downloads. To download an item, click it to load the Blob in the memory, and then click it again (before 5 seconds) if the download doesn't automatically start. You can also delete the content in memory if you think it's useless.
This extension should work for every website that uses the MediaSource API. To add a website to cache, click on the extension and write the hostname. Note that you need to follow a specific syntax to add the URL. For example:
*://*.example.com/*: both for HTTP and HTTPS, cache every video that is played from the "example.com" domainhttps://ex.example.com/*: cache only videos played from the "ex.example.com" domainhttps://example.com/page: cache only videos that are played from that specific page
After playing the resource, you can choose from a Select in the popup the page whose video/audio content you want to download. Click on the "Download" button to download them.
Tip: On Chromium-based browsers, you can write files directly to a folder. Use this option to save memory
While the download of the videos should automatically start when the page is closed, or when the video ends playing, it might not always work, so it's suggested to download them directly from the extension popup.
Please use this extension only if you've the authorization from the original content owner to do so. I don't claim any responsibilties at all for the usage of this extension and the eventual consequences.