[PD] Gem frame rate over 60fps

[IOhannes m zmoelnig]

On 2018-09-05 14:10, Csaba Láng wrote:
> Iohannes,
> 
> thanks for your advice. However I forgot to add that the 200fps I would
> like to use is not for displaying, but mostly to analyse fast objects in
> front of the camera.

i think i covered this use-case in length.

> Theoretically, it should use the capacity frame rate of the USB3 cameras,
> should not it?

relate this to:

> On Wed, Sep 5, 2018 at 1:56 PM IOhannes m zmoelnig <zmoelnig at iem.at> wrote:
>> most importantly, grabbing image data ([pix_image], [pix_video],...),
>> storing image data ([pix_buffer...]) and manipulating image data
>> ([pix_gain], [pix_kaleidoscope], [pix_multiblob],...) has nothing to do
>> with openGL and is therefore unaffected by sync-to-vblank.
[...]
>> if (and only if) you have a [gemhead] that is only triggering
>> non-openGL objects (e.g. *only* [pix_...]es), then you can manually
>> trigger *this* gem-chain via a [metro], running at an arbitrary rate.
>> (you should turn off the automatic-triggering of this [gemhead] by
>> sending it a "0")

i think, the keyword here is "arbitrary".

gmfasdr
IOhannes


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