[Rhythmbox-devel] Re: portable audio players and rhythmbox

On Wed, 2005-10-19 at 14:09 +0200, Mattias Eriksson wrote:
> ons 2005-10-19 klockan 18:26 +1100 skrev James Livingston:
> > On Tue, 2005-10-18 at 12:44 +0200, Mattias Eriksson wrote:
> > The biggest problem I see with adding write/sync support for "generic"
> > players, is that it's hard to tell whether it is actually a simple
> > mass-storage device, or it's a player-with-a-db that we don't know
> > about.
> This is the easy part... the HAL layer will have accessmethod "storage"
> for storage players and "user" for players that requires some daemon. Se
> http://cvs.freedesktop.org/*checkout*/hal/hal/doc/spec/hal-spec.html?only_with_tag=hal-0_4-stable-branch#device-properties-portable_audio_player

I read that differently - and though that "storage" would include
anything that could be mounted as mass-storage.

Take the iPod as an example, it can be mounted as mass storage and have
tracks copied to it, but that doesn't work because it needs the db to be
updated. From my reading of that, iPod would have access_method=storage.

> > As an example, generic play support should be able to do playback from
> > an iPod - but writing won't work because the ipod-db needs updating, and
> > files have to go in the right location.
> I suggest to add generic storage support for storage players, and then
> som pluggable backends for devices hal report to have "user" access
> method. That way storage will work and is quite simple, but ipod could
> be read-only.

That's what I was thinking, but I'm not sure whether HAL indicates
whether they are "mass-storage, and just copy files" or "mass-storage,
db need to be updated".

If it does indicate the difference, that this becomes much easier. If
not we can still add generic write support, and add special casing when
people complain that it doesn't work.


James "Doc" Livingston
"Once one has achived full endarkenment, one is happy to have an
entirely nonfunctional computer" - Steve VanDevender, ASR

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