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Open source browsers will access the CDM just like proprietary browsers do, in a one-way fashion. The decrypted video stream will be sent straight to the displ
by dublinben 13y ago
Open source browsers will access the CDM just like proprietary browsers do, in a one-way fashion. The decrypted video stream will be sent straight to the display driver, likely on an HDCP protected pathway where available.
- pyalot2 13y agoThat doesn't work. You don't seem to understand how a webpage is composited. The browser aquires all the bytes it needs to composit the page, and then it layers/animates them by whatever is a suitable compositor (software, hardware accelerated, whatever). This involves elements on top or behind other elements with various levels of alpha and/or other effects. The browser cannot do its job if it can't get access to the content.
- dublinben 13y agoI certainly understand how a webpage is composited. Do you think that browsers can currently "get access to the content" being displayed by plugins like Flash and Silverlight?
- shmerl 13y agoIf browsers don't, your window managers surely do. So you can capture the screen with ease. In order to avoid that, Windows created a whole chain of DRM which prevents user from accessing it. This will never be possible on free software systems.
- pyalot2 13y agoYes. The embedd API defines a way for the browser to pass a framebuffer for flash to draw in (a framebuffer is just a buffer of pixels). It uses this 60x a second to composit with the page.
- shmerl 13y agoOpen source OSes do not and will not implement "protected pathways", it violates the nature and expectations for those OSes. MS enabled this junk deep in its system. That's why the mere fact of using Windows already means using DRM.