Hello all !
I am currently working on a video plug-in that will do some operations on the pixels of each frame of a raw video stream.
The camera I will be using generates a gray image where each pixels are 12 bits and are packed (2 pixels on 3 bytes).
This illustrates 16 pixels values on 24 bytes:
|----------------|----------------|----------------|...
|0001112223334445|55666777888999AA|ABBBCCCDDDEEEFFF|...
|----------------|----------------|----------------|...
0 8 16 24 (byte count)
I also have the possibility to have the gray pixels of 12 bits padded with 4 bits so that they are aligned and stored in 16 bits values.
Unfortunately, I cannot find a video format that supports either of these encodings.
For the 12 bits pixels in 16 bits values, I can't use GRAY16 because it expects values in the range [0 - 0xFFFF] but the source images will be in the range [0 - 0xFFF] (a white image would actually be dark on a video viewer)
I wanted to configure my v4l2 driver with V4L2_PIX_FMT_Y12 but the v4l2src plug-in doesn't support it [1].
My questions are:
* Are there plans to support such a format in plugins-good ?
* What solution would you recommend to work with this format ?
Thanks you,
Detlev.
[1](
https://github.com/GStreamer/gst-plugins-good/blob/master/sys/v4l2/gstv4l2object.c#L1576)
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