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Operating system-level security features, application sandboxing, and permission systems
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However, getting a Widevine licence requires a licensing agreement with Google. It requires native binary integration. It requires infrastructure, legal paperwork, not to mention, shitloads of money. A small NSFW audio hosting platform is not going to get a Widevine licence. They’d be lucky if Google even returned their emails. Okay maybe not quite but the point is they’re not getting Widevine.
We can see that the threshold map distributes perturbations more optimally than purely random noise, resulting in a clearer and more detailed final image. The algorithm itself is extremely simple and trivially parallelisable, requiring only a few operations per pixel.