i.MX8 ISI scaling issue

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i.MX8 ISI scaling issue

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xu_ji1
Contributor IV

Hi,

When I use i.MX8 ISI scaling camera frame,1280X720->640X480,ISI driver run this function:mxc_isi_channel_set_scaling()

get picture like this:

捕获.JPG

It seems crop the image not scale,does ISI have scale ablity?

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6 Replies

59 Views
joanxie
NXP TechSupport
NXP TechSupport

I have replied to you in your another topic, let's just focus on one topic since they are the same questions.

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59 Views
joanxie
NXP TechSupport
NXP TechSupport

I have already reply to your another topic, because this unit test doesn't support raw data directly

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59 Views
xu_ji1
Contributor IV

I make unit test program support RAW data in this case,ISI support downscaling RAW data ot not?

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xu_ji1
Contributor IV

Hi,

Is there someone can help?

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59 Views
joanxie
NXP TechSupport
NXP TechSupport

I have already send the unit test source to you in your another similar topic, you can refer to that

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59 Views
xu_ji1
Contributor IV

Yes, I use that unit_test application do this test,for detail capture again

cc.JPG

With Raw 12bit output camera it is not scale,but YUV camera can scaling:

c.JPG

Why about it?

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