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Amarok's Device Handling and HAL

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Amarok's device handling is pretty adequate. Granted it could be better, but we support nearly every device on the market through some plugin or another. But there's one recurring problem: except in a few cases, Amarok doesn't know what device you have plugged in, and how to handle it. You have to tell this to Amarok. This means you, and we, have to deal with the manual creation of devices. Well, that's going to change.

Enter HAL, and its KDE4 paramour Solid. By now, you probably know what these do. HAL, Hardware Abstraction Layer, gathers information about your hardware. Solid reads it (and some other information) and outputs a KDE interface to it. Now by itself, this isn't enough, because HAL has a namespace called portable_audio_player, but, with a few exceptions, it doesn't actually say what type of device you're using -- simply "storage" for a USB Mass Storage interface, or "user" meaning that a userspace library needs to handle it.

However, for the last few weeks I've been working with HAL developers to come up with a way that device access protocols can be auto-detected.

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