Philipp Zabel 32fa1e7a65 v4l2object: use S_SELECTION instead of S_CROP in gst_v4l2_object_set_crop
The S_CROP call doesn't work on mem2mem output queues. Use the
S_SELECTION call to set the crop rectangle and only fall back to
S_CROP for ancient kernels.
This will allow v4l2videoenc to set the coded size on the output
queue via S_FMT and then set the visible size via the crop rectangle,
as required by the V4L2 codec API.

https://bugzilla.gnome.org/show_bug.cgi?id=796672
2018-06-27 16:31:39 -04:00
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