Re: [ANN] Notes on IRC meeting on new sensor control interface, 2012-01-09 14:00 GMT+2

[Sakari Ailus <sakari.ailus@iki.fi>]

Hi Laurent,

Laurent Pinchart wrote:
> On Monday 09 January 2012 23:32:06 Sakari Ailus wrote:
>> Laurent Pinchart wrote:
>>> On Monday 09 January 2012 18:38:25 Sakari Ailus wrote:
...
>>>> A fourth section may be required as well: at this level the frame rate
>>>> (or frame time) range makes more sense than the low-level blanking
>>>> values. The blanking values can be calculated from the frame time and a
>>>> flag which tells whether either horizontal or vertical blanking should
>>>> be preferred.
>>>
>>> How does one typically select between horizontal and vertical blanking ?
>>> Do mixed modes make sense ?
>>
>> There are minimums and maximums for both. You can increase the frame
>> time by increasing value for either or both of them --- to achieve very
>> long frame times you may have to use both, but that's not very common in
>> practice. I think we should have a flag to tell which one should be
>> increased first --- the effect would be to have the minimum possible
>> value on the other.
>
> But how do you decide in practice which one to increase when you're an
> application (or middleware) developer ?

I think it's the responsibility of this library to do that, unless the 
user wants really, really precise control in which case they have to 
deal with the blanking values directly. In general it should be the library.

-- 
Sakari Ailus
sakari.ailus@iki.fi