Messages in this thread |  | | From | "Dunlap, Randy" <> | Subject | RE: ac15 and 2.4.5-pre6, pwc format conversion | Date | Fri, 25 May 2001 08:37:26 -0700 |
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> From: Erik Mouw [mailto:J.A.K.Mouw@ITS.TUDelft.NL] > > On Fri, May 25, 2001 at 10:48:12AM +0200, Nemosoft Unv. wrote: > > On 25-May-01 Norbert Preining wrote: > > > According to ac ChangeLog: > > > o Rip format conversion out of the pwc driver (me) > > > | It belongs in user space.. > > > > > > This change is included in 2.4.5-pre6, but > > > drivers/usb/pwc-uncompress.c > > > pwc-uncompress.c:185: warning: implicit declaration of function > > > `vcvt_420i_420p' > > > > That´s what you get for ripping out the guts of a driver. > Have a nice day. > > The format conversion shouldn't be there in the first place. Format > conversion is policy, so it doesn't belong in kernel. Note for example > that none of the sound drivers does sample rate conversion although > some sound chips are locked at 48kHz only.
Once upon a time there was an agreement (understanding ?) that this was to be a major 2.5 change (moving video conversion from kernel drivers to user space) and that lots of apps would need to be changed for this to be successful.
~Randy
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