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treewide: map SPA_PROP_exposure to V4L2_CID_EXPOSURE_ABSOLUTE

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Currently the v4l2 and libcamera plugins map `SPA_PROP_exposure` in incompatible
ways. So change the v4l2 mapping to `V4L2_CID_EXPOSURE_ABSOLUTE` because at least
that is in units of time (a step closer to addressing #4697), and because that
is more relevant for UVC cameras.

Also change the pipewire-v4l2 translation layer.
This commit is contained in:
Barnabás Pőcze 2025-09-01 17:39:08 +02:00 • committed by Wim Taymans
parent f0629fa8be
commit 2735baa4ce
2 changed files with 2 additions and 2 deletions
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2
pipewire-v4l2/src/pipewire-v4l2.c
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@ -2115,7 +2115,7 @@ static struct {
{ V4L2_CID_SATURATION, SPA_PROP_saturation },
{ V4L2_CID_HUE, SPA_PROP_hue },
{ V4L2_CID_GAMMA, SPA_PROP_gamma },
{ V4L2_CID_EXPOSURE, SPA_PROP_exposure },
{ V4L2_CID_EXPOSURE_ABSOLUTE, SPA_PROP_exposure },
{ V4L2_CID_GAIN, SPA_PROP_gain },
{ V4L2_CID_SHARPNESS, SPA_PROP_sharpness },
};