[Elphel-support] Setting width and height
Elphel Support
support-list at support.elphel.com
Mon Mar 12 18:17:20 PDT 2018
Richard,
Images are compressed as 16x16 macroblocks, and while it was possible to make any even (for Bayer mosaic) number for width/height by padding to integer number of macroblocks that would not increase the frame rate. So I decided not to support fractional macroblocks to simplify the code and remind of the efficient (N*16) image size. For multi-megapixel sensors it does not limit flexibility much.
Andrey
---- On Mon, 12 Mar 2018 17:57:37 -0700 Richard Rigby<rrigby at redzone.com> wrote ----
Hi there,
I'm trying to set the camera width and height, however I'm not able to get the exact values that I set.
For example when I set:
width = 800
height = 600
The values applied are:
width = 800
height = 592
when I set:
width = 2016
height = 1528
the values applied are:
width = 2016
height = 1520
Why is it that I'm not able to get the exact same values that I set and is there any way to get that to happen?
Many thanks.
Richard Rigby
Software Developer
www.redzone.com
Ph: +64 9 479 9901
Fax: +64 9 479 9904
13 Tarndale Grove • Albany • Auckland 0632 • New Zealand
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