CSI combining using VDI / multiple camera support

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CSI combining using VDI / multiple camera support

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rolandhösch
Contributor I

Hi,

according to the i.MX6Dual/6Quad documentation the Video-Deinterlacer of the IPU can be used for

combining two camera images, if de-interlacing is not needed.

However, support for this feature is missing in the freescale drivers.

Has anyone succeeded in combining the input of 2 cameras using the VDI?

Thanks, Roland

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joanxie
NXP TechSupport
NXP TechSupport

IPU can support two camera in the same time, you can use the command like

"

gst-launch mfw_v4lsrc device="/dev/video0" ! filesink location=camera0.yuv &

gst-launch mfw_v4lsrc device="/dev/video1" ! filesink location=camera1.yuv

"

you don't need to capture the two camera by de-interlacing.

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rolandhösch
Contributor I

Maybe gstreamer can do that, when you have two cameras connected to one graphics chip.

My configuration is different:

- I have one arm-board with two different graphics chips, each of which should support one camera

- the cameras already supply de-interlaced streams

- according to freescale documentation the VDI can do combining of two CSI streams _OR_ de-interlacing

- infact, freescale told me, that the actual BSPs do not support this feature and are not intended to support this in the future

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