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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Fix all compiler warnings in libv4l
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Makefile improvements:
* Split DESTDIR into DESTDIR and PREFIX as used in most makefiles out there
* Add LIBDIR variable to allow installation in <prefix>/lib64 for example
* Install the wrappers in <libdir>/libv4l instead of directly under libdir,
as they are not libraries meant for linking
* preserve timestamps of header files when installing them
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Some documentation updates to bring the documentation up2date with the latest
changes.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Add comments to pac207.c about what todays experiments have teached us about
the pac207 compression.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Add license change (GPL -> LGPL) permission notice, and don't claim copyright
over code I didn't write, instead add copyright header of the original author
(oops)
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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by pac207 based cams
From: Hans de Goede <j.w.r.degoede@hhs.nl>
This patch adds support to libv4l for the compressed bayer format emitted by
pac207 based cams.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Add support for sonix (sn9c10x) bayer compression to libv4lconvert
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
This patch syncs (updates) the libv4l in mercurial with (to) the latest 0.3.1
release.
- Only serialize V4L2_BUF_TYPE_VIDEO_CAPTURE type ioctls
- Do not return an uninitialized variable as result code for GPICT
(fixes vlc, but see below)
- Add an apps-patches directory which includes:
* vlc-0.8.6-libv4l1.patch, modify vlc's v4l1 plugin to directly call into
libv4l1, in the end we want all apps todo this as its better then
LD_PRELOAD tricks, but for vlc this is needed as vlc's plugin system
causes LD_PRELOAD to not work on symbols in the plugins
* camorama-0.19-fixes.patch, small bugfixes to camorama's v4l1 support,
this patch only fixes _real_ bugs in camorama and does not change it to
work with v4l1compat. Although it does work better with these bugs fixed
:) With this patch and LD_PRELOAD=<path>/v4l1compat.so it works
flawless.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede at hhs.nl>
Global files to make the libv4l compile, install and exported into a tar.gz file
Signed-off-by: Hans de Goede <j.w.r.degoede at hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede at hhs.nl>
libv4l1 is the base of the v4l1compat.so wrapper lib, which is a .so
which can be LD_PRELOAD-ed and the overrules the libc's open/close/etc,
and when opening /dev/videoX calls v4l1_open.
Signed-off-by: Hans de Goede <j.w.r.degoede at hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede at hhs.nl>
libv4l2 offers v4l2_ prefixed versions of
open/close/etc. The API is 100% the same as directly opening /dev/videoX
using regular open/close/etc, the big difference is that format conversion
is done if necessary when capturing. That is if you (try to) set a capture
format which is not supported by the cam, but is supported by libv4lconvert,
then the try_fmt / set_fmt will succeed as if the cam supports the format
and on dqbuf / read the data will be converted for you and returned in
the request format.
v4l2convert: open/close/ioctl/mmap/munmap library call wrapper doing format conversion
for v4l2 applications which want to be able to simply capture bgr24 / yuv420
from v4l2 devices with more exotic frame formats.
Signed-off-by: Hans de Goede <j.w.r.degoede at hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Hans de Goede <j.w.r.degoede at hhs.nl>
libv4lconvert: video decompression routines
Signed-off-by: Hans de Goede <j.w.r.degoede at hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
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From: Carl Karsten <carl@personnelware.com>
Date: Thu, 28 Feb 2008 15:21:51 -0600
Adding #include <stddef.h> solves a build problem I had on Ubnutu.
v4l-dvb/v4l2-apps/test$ make
CC driver-test.o
In file included from driver-test.c:17:
../lib/v4l2_driver.h:26: error: expected specifier-qualifier-list before 'size_t'
make: *** [driver-test.o] Error 1
Thanks to Carl Karsten <carl@personnelware.com> for pointing this issue.
CC: Carl Karsten <carl@personnelware.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Remove the obsolete VIDIOC_G_MPEGCOMP and VIDIOC_S_MPEGCOMP ioctls from
the V4L2 API as per the removal schedule (October 2007).
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: David Warman <dwarman@davidwarman.net>
v4l2_driver.c:v4l2_enum_stds: erroneously always returns failure
because errno is +ve, needs inverting for use as a v4l error code.
The diff command actually produced patched for two fixes; I separated
them manually into these two reports.
Signed-off-by: David Warman <dwarman@davidwarman.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
bttv driver presents a non-compliance: When S_FMT is called, pix.sizeimage reports
a different size than when QUERYBUF is called, for the same S_FMT.
The current code can work fine with this non-compliance, but an error should be
reported.
Those are the reports from bttv driver, by running driver-test:
FMT SET: 640x480, fourcc=YVU9, 640 bytes/line, 345600 bytes/frame, colorspace=0x00000000
<snip/>
QUERYBUF: 00:00:00.00000000 index=0, type=video-cap, bytesused=0, flags=0x00000000,
field=any, sequence=0, memory=mmap, offset=0x00000000, length=348160
TIMECODE: 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
QUERYBUF: ERROR: VIDIOC_S_FMT said buffer should have 345600 size, but received 348160 from QUERYBUF!
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Add capabilities to the library and to the driver to receive video streams.
Library will use a callback, called every time a new buffer is reported by
dqbuf.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
There is a non-compliance on video-buf implementation about calling REQBUFS
with count=0. According with API, this should free all buffers, but video-buf
returns, instead, -EINVAL.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Using the same approach as capture_exampe.c
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
This method requests buffers and maps it into a mmaped memory.
Still under testing. Still need other stuff to make stream to work.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
- Better presentation of version
- Make v4l2_enum_fmt generic for all types
- Added v4l2_gettryset_fmt_cap to GET/TRY/SET fmt on capture
- driver-test now sets a video format
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
- Created v4l2_driver.c with some basic functions to:
. Enum STD, INPUT and FORMAT
. GET/SET STD and INPUT
. GET PARAM
- ioctl-test reverted back to a simple "brute-force" all ioctl call;
- driver-test created to:
. test V4L2 kernel drivers;
. implement all functions provided by v4l2 library
- driver-test should grow following the changes at v4l2-apps/lib
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Fix the copyright lines in the v4l2 library. Also explicitly add
the Nathan's SOB for frequency.c.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Nathan Laredo <laredo@gnu.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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