users of apps with a communication function would have to agree via terms and conditions or pop-up messages that all images and videos sent to others will be scanned automatically and possibly reported to the EU and the police.
This is more like coercion than consent.
And let's be clear: The goal of legislation like this is not to allow investigating child abusers, which can already be done legally. The goal is to impose mass surveillance on the population, circumventing due process.