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From: Hans de Goede <hdegoede@redhat.com>
libv4l: enable automatic gain / exposure control for st6422 devices
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Change support for decompressing ov518 "JPEG" to piping data through an
external helper as I've failed to contact Mark W. McClelland to get
permission to relicense the code. If you know a working email address for
Mark W. McClelland, please let me know.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: recognize when controls are disabled
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans Petter Selasky <hselasky@freebsd.org>
Add a patch by Hans Petter Selasky <hselasky@freebsd.org>, which should
lead to allowing use of libv4l (and the Linux webcam drivers ported
to userspace usb drivers) on FreeBSd, this is a work in progress
Priority: normal
Signed-off-by: Hans Petter Selasky <hselasky@freebsd.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Don't crash when v4lcontrol_controls_changed() gets called and we have
no fake controls (null pointer dereference).
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: activate software whitebalance by default on some cams
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
add gamma correction to the video processing, and enable it by default
(correct for a display gamma of 1.5) for pac207 based cams.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: Fix a few small issues with V4L2_CTRL_FLAG_NEXT_CTRL handling
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Add software autogain / exposure, for camera's which have gain and
exposure controls but do not contain the ability to calculate the average
lumination in hardware (which is needed to do this in the kernel). This
patch enables this for the spca561 rev12a, but it should be usefull for
other cameras too.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Rewrite video processing code to make it easier to add more video filters
(and with little extra processing cost). As part of this the normalize
filter has been removed as it wasn't functioning satisfactory anyways
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
When we need to go through the fake mmap buffer anyways, we can add
fake controls at no cost. So in the case of webcams which only
support non standard pixformats, export fake flipping controls, as this
can be done at no (performace) cost (until the user activates them).
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
It is possible for the same laptop webcam module (so same usb id) to
be mounted upside down in some models and the right way up in
other laptop models. This patch adds the ability to only apply
flags to a webcam based on the combination of usb id and
dmi info to identify the laptop model.
It also adds the webcam in the Asus N50Vn as the first upside down cam
identified this way.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Adam Baker <linux@baker-net.org.uk>
The "fake" controls added by libv4l to provide whitebalance on some cameras do
not respect the V4L2_CTRL_FLAG_NEXT_CTRL and hence don't appear on control
programs that try to use that flag if there are any driver controls that do
support the flag. Add support for V4L2_CTRL_FLAG_NEXT_CTRL
Priority: normal
Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: Add sq905 to the list of devices which benefit from whitebalancing
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: Only created shared memory segment when we have fake v4l2 controls
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
/ is not allowed inside shm names, so if the card name contains a /
replace it with a -
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: genius messenger 112 needs both upside down and whitebalance flags.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Only report / allow supported destination formats in enum_fmt / try_fmt /
g_fmt / s_fmt when processing, rotating or flipping.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
* Determine wether or not to do whitebalance and/or normalize at all
based on USB-ID's.
* Add rotate90 hack to flags based on usb-id.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
As the version number shows this work is the basis for a beta release of the
0.6.x series, the big change here is the addition of video processing to libv4l
currently this only does whitebalance and normalizing (which turns out
to be useless for most cams) but the basic framework for doing video
processing, and being able to control it through fake v4l2 controls using
for example v4l2ucp is there.
The initial version of this code was written by 3 of my computer science
students: Elmar Kleijn, Sjoerd Piepenbrink and Radjnies Bhansingh.
This initial hg commit is a cleaned up and somewhat bug fixed version of
their code.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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