On Saturday 08 August 2009 22:16:28 wk wrote: > Alexey Klimov schrieb: > > On Sat, Aug 8, 2009 at 10:01 PM, Trent Piepho<xyzzy@xxxxxxxxxxxxx> wrote: > > > >> On Sat, 8 Aug 2009, Alexey Klimov wrote: > >> > >>> Redesign radio->users counter. Don't allow more that 5 users on radio in > >>> > >> Why? > >> > > > > Well, v4l2 specs says that multiple opens are optional. Honestly, i > > think that five userspace applications open /dev/radio is enough. Btw, > > if too many userspace applications opened radio that means that > > something wrong happened in userspace. And driver can handle such > > situation by disallowing new open calls(returning EBUSY). I can't > > imagine user that runs more than five mplayers or gnomeradios, or > > kradios and so on. > > > > Am i totally wrong here? > > > > Thanks. > > > "I can't imagine.." Funny answer, reminds at the 640kB limit of old > computers.. :) > But if there's no real technical restriction, the driver should not > restrict access a device at all. Exactly. It's an artificial restriction that serves no purpose. Also remember that apps can open a radio device just to do e.g. a QUERYCAP or something like that. It does not necessarily has to be an mplayer or gnomeradio. Regards, Hans -- Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
