Hi, On Wednesday 28 December 2011 07:23:44 HeungJun, Kim wrote: > Hi everyone, > > This RFC patch series include new 4 controls ID for digital camera. > I about to suggest these controls by the necessity enabling the M-5MOLS > sensor's function, and I hope to discuss this in here. Thanks for the patches. The new controls introduced by these patches are very high level. Should they be put in their own class ? I also think we should specify how those high- level controls interact with low-level controls, otherwise applications will likely get very confused. > Any opinions and thoughts are very welcome! > > It's good to connect Sylwester's suggestion for discussing. > - http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg39907.html > > But it's no problem even if it is considered as seperated subject. > > 1. White Balance Peset > ====================== > > Some camera hardware provides its own preset of white balance, > but fortunately the names of these presets are similar with the others. > So, I thought it can be provided as a generic digital camera API. > I suggest the following as items: > > enum v4l2_preset_white_balance { > V4L2_WHITE_BALANCE_INCANDESCENT = 0, > V4L2_WHITE_BALANCE_FLUORESCENT = 1, > V4L2_WHITE_BALANCE_DAYLIGHT = 2, > V4L2_WHITE_BALANCE_CLOUDY = 3, > V4L2_WHITE_BALANCE_SHADE = 4, > }; > > 2. Scenemode > ============ > > I had suggested it before. : > http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg29917.html > > And I want to continue this subject on this threads. > > The scenemode is also needed in the mobile digital . > The reason I about to suggest this function as CID, > is also the items are used widely & generally. > > enum v4l2_scenemode { > V4L2_SCENEMODE_NONE = 0, > V4L2_SCENEMODE_NORMAL = 1, > V4L2_SCENEMODE_PORTRAIT = 2, > V4L2_SCENEMODE_LANDSCAPE = 3, > V4L2_SCENEMODE_SPORTS = 4, > V4L2_SCENEMODE_PARTY_INDOOR = 5, > V4L2_SCENEMODE_BEACH_SNOW = 6, > V4L2_SCENEMODE_SUNSET = 7, > V4L2_SCENEMODE_DAWN_DUSK = 8, > V4L2_SCENEMODE_FALL = 9, > V4L2_SCENEMODE_NIGHT = 10, > V4L2_SCENEMODE_AGAINST_LIGHT = 11, > V4L2_SCENEMODE_FIRE = 12, > V4L2_SCENEMODE_TEXT = 13, > V4L2_SCENEMODE_CANDLE = 14, > }; > > 3. WDR(Wide Dynamic Range) > ========================== > > This function can be unfamiliar, but it is as known as HDR(High Dynamic > Range) to iPhone users. Although the name is different, but both are the > same function. > > It makes the image look more clear by adjusting the intensity area of > illumination of the image. This function can be used only turn on/off > like button control, then the actual WDR algorithm are activated in the > hardware. > > 4. Antishake > ============ > > This function compensate and stabilize the shakeness of the stream and > image. So, if this function turned on, the image created without many > shakeness. It means both, the case when compensating the stream's > shakeness, > and when stabilizing the image itself. > > 5. References > ============= > > - This is the example of the various digital camera's upper controls. > You can find that the term of each control is very similiar. > > @ White Balance Preset > http://imaging.nikon.com/history/basics/17/index.htm > http://www.dailyphotographytips.net/camera-controls-and-settings/how-to-set > -custom-white-balance/ > http://www.digitalcamera-hq.com/articles/how-to-white-balance-your-camera > http://www.digital-photography-school.com/introduction-to-white-balance > > @ Scenemode > http://www.digital-photography-school.com/digital-camera-modes > http://www.picturecorrect.com/tips/digital-camera-scene-modes/ > > @ WDR and HDR > http://en.wikipedia.org/wiki/High_dynamic_range_imaging > http://en.wikipedia.org/wiki/Wide_dynamic_range > > @ Ahtishake > http://www.digital-slr-guide.com/digital-slr-anti-shake.html -- Regards, Laurent Pinchart -- 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
