On Sunday 03 January 2010 05:33:19 am Frank Schaefer wrote: > The problem is, that (AFAIK) subversion isn't capable of creating > offline patch-series. > That's why I used git, which is usually not a problem. > But for some unknown reasons, review-board doesn't accept them (even > after modifying them manually). > > So here they are as atachments. > All patches apply fine with "patch p1 < patchname" from kopetes' > root-directory. > > As I already mentioned, the main intention is to make the API for the > video-controls more flexible and functional. > > Some of the problems with the current code are: > - only a fixed set of controls is supported > - no possibility to determine if a control is really supported by a > device > - non-numeric controls (e.g. actions) are not supported > - custom (driver-defined) controls are not supported > - additional informations like default-/min-/max-values and required > step-size are not available > - problems: e.g. the V4L2-control V4L2_CID_HUE combines the two > controls "hue" and "color" in a single control > > That's why I suggest the following changes: > - use IDs to identify/address the supported controls > - the values of controls can be querried/set with the new functions > getControlValue(ctrl_ID, value) > setControlValue(ctrl_ID, value) > - the controls supported by the device can be querried with 4 new > functions, one of them for each group of controls (numeric, boolean, > menus, actions). These functions return data structures which contain > the control-ID, the title and additional informations (depending on > the control-type). > > Some additional benefits are > - control-grouping makes GUI-design easier (different GUI-elements) > - controls can be reset to default-values > - the real (not normed) numeric value of a control can be displayed > - ... > > > There are still some things to do: > - reenable saving of the settings (loading is disabled in current runk, > too !) After taking a deeper look into the loading-/saving-procedures, > I noticed that there are many other problems... > For example: devices should be identified by their uid, not their > model-name ! > - translation of the control-titles. > I'm not yet familar with KDEs translation mechanism, but the only > problem I see is the translation of custom (driver-specific) controls. > We get them from the V4L2-API directly. > - Documentation > > Although the patches are working fine, they are mainly intended for > discussion about the general approach (so please don't complain about > whitespace-errors ;) ) > > Comments are appreciated. > > Frank
Please feel free to commit your patches to trunk now that you've got an SVN account. -- Matt
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