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Any fix for gstreamer bayer2rgb ! pngenc failure?

Question asked by Pat Sandt on May 17, 2017
Latest reply on May 23, 2017 by Pat Sandt

I'm trying to capture png files from my mt9p031 camera. It is i2c/12 bits. The gst-launch command that routes the camera output through bayer2rgb ! jpegenc works as expected, but the bayer2rgb ! pngenc does not. (I'm seeing vertical bars of no data in every other column?) I suspect that bayer2rgb outputs 8 bits and pngenc expects 16, but I see no way of changing bayer2rgb or pngenc to fix the problem. Does anyone have a fix? Alternatively, if there is some other lossless format that would work, I'd love to hear about it.