imx6q use gstreamer1.0 plugins imxvideoconvert_ipu alpha is allways 0

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imx6q use gstreamer1.0 plugins imxvideoconvert_ipu alpha is allways 0

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adorable
Contributor III

Using Imx6q-kernel4.9.88-gstreamer1.0-plugins-imxvideoconvert_ipu to convert from NV12 to RGBA.

The pipeline as follows:

gst-launch-1.0 videotestsrc num-buffers=1 ! video/x-raw,format=NV12,width=640,height=480,framerate=30/1 ! imxvideoconvert_ipu ! video/x-raw,format=RGBA,alpha=1.0 ! filesink location=hy.data

That's OK.And the hy.data is OK.But the hy.data's all A(alpha)=0 and RGB is ok.

But I use videoconvet to replaease imxvideoconvert_ipu using alpha=1.0, ALL is OK.

My question:How to use imxvideoconvert_ipu  to convert to RGBA with the currect alpha?

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adorable
Contributor III

Ipu is not support alpha.

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adorable
Contributor III

Ipu is not support alpha.

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adorable
Contributor III

gst-inspect-1.0 imxcompositor_g2d
No such element or plugin 'imxcompositor_g2d'

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joanxie
NXP TechSupport
NXP TechSupport

pls refer to the chapter 7.3.16 Video composition, try to use imxcompositor_g2d

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