imx6q ipu resize problem

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imx6q ipu resize problem

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yujia
Contributor I

Hello ,

I have a problem when i use IPU to resize a grayscale picture。And my english is not well。I need your help。

./mxc_ipu -c 1 -i 2496,3520,IPU0,0,0,0,0,0,0 -O 4096,7024,IPU0,0,0,0,0,0  -f temp-2a.raw temp.raw

Here is a serial port debug information:

mxc_ipu mxc_ipu: Warn: no:0x0,calc_stripes ret:1    //

mxc_ipu mxc_ipu: Warn: no:0x0,calc_stripes ret:1    //

mxc_ipu mxc_ipu: Warn: no:0x0,calc_stripes ret:1    //

====== ipu task ======

input:

        foramt: 0x59455247

        width: 2496

        height: 3520

        crop.w = 2496

        crop.h = 3520

        crop.pos.x = 0

        crop.pos.y = 0

output:

        foramt: 0x59455247

        width: 4096

        height: 7024

        roate: 0

        crop.w = 2048

        crop.h = 2048

        crop.pos.x = 0

        crop.pos.y = 0

imx-ipuv3 imx-ipuv3.0: mxc ipu: unimplemented pixel format

imx-ipuv3 imx-ipuv3.0: mxc ipu: unimplemented pixel format       

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Bio_TICFSL
NXP TechSupport
NXP TechSupport

Hi yu

The existing stripe algorithm used for the image resizing is limited to ~2000 x ~2000 pixels –> for the input frame. the current max resolution is 5616x3744. Regarding the resize limitation of multiples of 16 , it may be possible for YUV4:4:4

please check:

A Deep Dive into Image Processing for i.MX 6 Series Applications Processors

regards

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