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58b259de1a
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18 Commits

Author SHA1 Message Date
mglocker
58b259de1a To match the encoding type, compare against 'pixelformat' instead of 
'description' which could contain any value.  Fixes VIDIOC_ENUM_FMT ioctl
for utvfu(4).

Spotted by Patrick Keshish.

ok mpi
 2016-06-06 11:55:38 +00:00
mglocker
75f41efb37 Add 'q' option to just display the device properties and quit. 
Tested and ok czarkoff
 2016-06-04 07:44:32 +00:00
tb
9df5e43bd2 mmap(2) failure is indicated by MAP_FAILED, not NULL. 
ok mglocker
 2016-06-02 08:53:32 +00:00
mglocker
9d46737716 Just try to unmap a buffer when something has been mapped before. 
ok semarie tb
 2016-06-02 07:47:25 +00:00
tb
7d6f19381b Guard against using tp_start uninitialized in case no frame was 
grabbed in verbose mode.

ok mglocker
 2016-05-31 08:45:14 +00:00
mglocker
b1a7299baa Add mmap(2) support for frame grabbing and make it default over read(2). 
The introduced '-g' option still allows to fallback to read(2).

With input from tb, jmc, and Patrick Keshishian.

ok tb
 2016-05-31 06:47:12 +00:00
brad
fef33097b9 Now that gcc2 is gone revert the removal of anonymous unions. 
"I think this is the right thing to do" miod@
"Fine with me." sthen@
 2014-10-23 07:36:06 +00:00
matthieu
3e0a91b35c Typo in warn() argument. Reported by Artturi Alm. Thanks. 2012-08-14 12:09:33 +00:00
jakemsr
95e3242529 add the -R option to usage() 
spotted by sobrado@
 2011-04-11 17:23:18 +00:00
jakemsr
53483e36a8 * use VIDIOC_ENUM_FRAMEINTERVALS to get the supported frame intervals 
and display the frame rates if at least on -v is used.
* set/get the video(4) device's frame rate using VIDIOC_{S,G}_PARM.
* add new option -R which dsables frame rate adjustment.  only really
useful for video(4) devices, to see the difference between the frame
rate the device generates and what it says it's configured for ...
many devices don't generate the rate they are configured if they
aren't getting enough light ...
* poll(2) input with INFTIM instead of 0 timeout, and handle the poll(2)
call being interrupted by the frame timer.
* only use usleep(3) to wait for frames if the input is a file, and
in that case, sleep for a full frame interval or until interrupted
by the frame timer.
* update the manual to describe the new -R option, that -r now sets
video(4) frame rate, and that at least one -v will display supported
properties of the hardware.
 2011-04-11 02:58:49 +00:00
jakemsr
622e7bac0c oops. start with an undefined encoding instead of yuy2. lets the code 
figure out what encoding to use, based on what the hardware supports.
still uses yuy2 by default if the hardware supports it.
 2010-10-15 14:21:20 +00:00
jakemsr
29306fc0e4 declare the global vars as static to not conflict with symbols from 
libraries
 2010-10-15 09:27:26 +00:00
jakemsr
52f69c164d support for gamma and sharpness/acutance controls. 
also from Martin Pieuchot, thanks!
 2010-09-26 23:47:17 +00:00
jakemsr
02e1414c42 no more anonymous unions in video(4) 2010-09-13 01:35:50 +00:00
jakemsr
bdc0c150f3 $OpenBSD$ and compare width to width, not width to height 2010-07-26 23:02:06 +00:00
sobrado
9e6242225e sort options as usual in our operating system; `usage:' is lower case; 
improve usage()'s output; better indentation in usage() function.

ok jakemsr@
 2010-07-26 08:09:33 +00:00
jakemsr
63de478659 do not add the same size twice, and do not fall of the end of 
the frame sizes array.
reported/tested mglocker
 2010-07-24 22:09:08 +00:00
jakemsr
3838c3aada import video(1), an application for recording and/or displaying 
images from a video(4) device
ok matthieu, todd; prodding from deraadt
 2010-07-23 11:33:52 +00:00