Re: Plugin loading and unloading

[Marcel Holtmann <marcel@holtmann.org>]

Hi again,

> I am working again on the A2DP Bluetooth plugin and the caching support
> in the latest ALSA library is nice and allows me to keep the underlaying
> link connected while stupid programs like XMMS closes the PCM when they
> switch the tracks.
> 
> The PCM opening part and reusing of the underlaying AVDTP connection is
> easy, but I am a little bit concerned about the plugin unloading time.
> So is it possible to add init() and exit() functions that are called
> when the plugin is loaded and unloaded. Like we have for kernel modules?

is it possible to get comments on this?

> Do the ALSA library has a timer mechanism that we can use inside a
> plugin. Since it is a bad idea to hold the Bluetooth connection open for
> all the time, I like to add a idle timeout. This allows me to put the
> connection into sniff mode to save power or terminate it.

I really need to use a timer inside my ALSA plugin. How do it do it?

> Also the listing of plugins is still missing. I am fine with a general
> or plugin specific flag to make its PCM visible.

Looks like the 1.0.9-rc3 is coming and this won't be part of it :(

Regards

Marcel




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