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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Theodore Kilgore <kilgota@auburn.edu>
Support the decompression used by the SQ905C cameras (0x2770:0x905C) and
some other related cameras. There is at the moment no support module for
these cameras in streaming mode, but I intend to submit one.
This contribution was created in whole by me, based upon code in libgphoto2
which was created in whole by me, and which was licensed for
libgphoto2 under the LGPL license.
Priority: normal
Signed-off-by: Theodore Kilgore <kilgota@auburn.edu>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Kyle Guinn <elyk03@gmail.com>
libv4l: Add MR97310A decompression
Priority: normal
Signed-off-by: Kyle Guinn <elyk03@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Vasily Khoruzhick <anarsoul@gmail.com>
Recent sn9c20x driver written by microdia project
(http://groups.goolge.com/group/microdia) introduce new output format -
sn9c20x-i420. This format is actually scrambled yuv420, so it's very easy and
fast to convert it to yuv420. This patch adds sn9c20x-i420 decoder to the
libv4l-0.5.7
This decoder is much faster than jpeg one (sn9c20x supports JPEG too):
sn9c20x-i420 decoder eats only 10% of 1GHz CPU at 640x480x25fps vs 40% of
1GHz CPU in jpeg at same frame size/rate.
This format should be preffered for sn9c20x, because sn9c20x driver supports
SBGGR8 too, so it should go before SBGGR8 in supported_src_pixfmts.
Priority: normal
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com
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From: Hans de Goede <hdegoede@redhat.com>
Switch to using USB-id's instead of USB product string, as not all devices
set a unique product string. This fixes the upside down issues with
genius e-messenger 112 cams
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Remove v4lconvert_yvyu_to_yuv420 function as its functionality is
duplicate with v4lconvert_yuyv_to_yuv420
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Julien BLACHE <jb@jblache.org>
Attached is a patch to add UYVY support to libv4lconvert. It's
obviously a shameless respin of the YVYU conversion routines :P
Tested on a USB Apple iSight, which only supports UYVY.
Priority: normal
Signed-off-by: Julien BLACHE <jb@jblache.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Avoid the use of try_fmt as much as possible on UVC cams, instead use the
results of the enum_framesizes ioctl. This is because:
1) try_fmt actually causes IO with UVC cams making apps which do lot of
querying of device capabilities slow (cheese)
2) some buggy cams don't like getting lots of UVC video probes and crash
when they do
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Add support for converting to YV12 planar (next to the already supported
YU12 / I420) and implement RGB/BGR24 -> YU/YV12 conversion
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
When conversion requires multiple passes don't alloc the needed temporary
buffer on the stack, as some apps (ekiga) use so much stack themselves
this causes us to run out of stack space
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
* Add support for software cropping from 352x288 -> 320x240 / 176x144 ->
160x120, so that apps which will only work with vga resolutions like
320x240 (Skype!) will work with cams/drivers which do not support cropping
CIF resolutions to VGA resolutions in hardware. This makes all 2.6.27 gspca
supported cams, except for the pac7302 which only does 640x480 (and skype
wants 320x240), work with skype
* The v4lconvert_convert function was becoming a bit of a mess, so split the
functionailiy into seperate v4lconvert_convert_pixfmt, v4lconvert_rotate and
v4lconvert_crop functions, and make v4lconvert_convert a frontend to
these
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Instead of having libv4l2util in v4l2-apps/lib and libv4l in v4l2-apps/lib/libv4l,
both are now moved to v4l2-apps/libv4l2util and v4l2-apps/libv4l.
This is much cleaner and less confusing.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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