XvQueryAdaptors(3) libXv Functions XvQueryAdaptors(3)NAME
XvQueryAdaptors - return adaptor information for a screen
SYNOPSIS
#include <X11/extensions/Xvlib.h>
int XvQueryAdaptors(Display *dpy, Window window,
unsigned int *p_num_adaptors,
XvAdaptorInfo **pp_adaptor_info);
ARGUMENTS
dpy Specifies the connection to the X server.
window Specifies a window of the screen for which the adaptor information is desired.
p_num_adaptors
A pointer to where the number of adaptors for the specified screen is returned.
pp_adaptor_info
A pointer to where the list of returned adaptor information is returned.
DESCRIPTION XvQueryAdaptors(3)
returns an video adaptor information for the screen of the specified drawable. The XvAdaptorInfo structure has the following organiza-
tion:
typedef struct {
XvPortID base_id;
unsigned long num_ports;
char type;
char *name;
unsigned long num_formats;
XvFormat *formats;
unsigned long num_adaptors;
} XvAdaptorInfo;
base_id The resource ID of the first adaptor port.
num_ports
The number of ports supported by the adaptor.
type A bit mask with the value XvInputMask asserted if the adaptor supports video input, and value XvOutputMask asserted if the adaptor
supports video output. In Xv protocol 2.2 and later, there are 3 new bits defined - XvVideoMask, XvStillMask and XvImageMask indi-
cating that the adaptor is capable of video, still or image primitives respectively.
name A vendor specific name that identifies the adaptor.
num_formats
The number of depth/visual id formats supported by the adaptor.
formats A pointer to an array of XvFormat structures.
The XvFormat structure has the following organization:
typedef struct {
char depth;
unsigned long visual_id;
} XvFormat;
depth A drawable depth supported by the adaptor.
visual_id
A visual-id supported for the given depth by the adaptor.
RETURN VALUES
[Success]
Returned if XvQueryAdaptors(3) completed successfully.
[XvBadExtension]
Returned if the Xv extension is unavailable.
[XvBadAlloc]
Returned if XvQueryAdaptors(3) failed to allocate memory to process the request.
DIAGNOSTICS
[Drawable]
Returned if the requested drawable does not exist.
SEE ALSO XvFreeAdaptorInfo(3)X Version 11 libXv 1.0.7 XvQueryAdaptors(3)
I have this code that doesnt do what it is suppose to do. It should block signal that I send while process is running. I press control+z while this process is running and it should be blocked but it isnt. When i press control+z it gives me this....
+ Stopped
When I change SIGTSP into SIGINT then... (5 Replies)
First question is how do you learn UNIX on a home lab. I understand that HP-UX isn't free and neither is SCO Unix and they don't run on x86 based systems anyways. The choices I believe are going to be OpenSolaris and FreeBSD. My question is UNIX commands the same across the board so if I learn... (11 Replies)
Hello all,
I am a newbie in shell scripting.
I want to know what does the below text means?
6.355u 1.679s 0:12.68 63.2% 0+0k 0+0io 0pf+0w
I am getting this line (on terminal) after every successful execution of my script.
Thanks in advance . . :)
-MD (15 Replies)
Hi all,
I hope you are fine,
I'd like study Os I tried a book like Silberschatz it's a good book but like
other books it talks about the concepts abstractly and that's due to it try
to encompass many concepts from many operating systems in GENERAL.
i am not too much comfortable from these... (20 Replies)
Hi,
Some of the process in th environment are producing a core file.
These core files are produced by default in the directory from which they were launched.
I want to change the default directory to say /tmp of that environment.
I am using both Linux and Solaris, so will need the solution... (2 Replies)
my request is:
i have to create a script , which will grep the 'not running' jobs and will send the update in mail with its name(job)
Scenario:
logged in to machine abc
went to particular path: cd /a/b/c
then ./script1.sh status (script.sh is a script,whose status gives info about 10 jobs... (1 Reply)
Hi all,
My home server was Solaris for quite a while- I started with an Ultra 2 about 20 years ago, ended with a Blade 2000- but I've transitioned to Linux and am not going back. I miss the Solaris experience a bit (but not the Oracle experience), besides running with modern and small and quiet... (0 Replies)
can anyone spot a problem with the below:
$
$ cat getopts.sh
#!/bin/sh
usage() { echo "myscript.sh local /tmp data.txt 600s -query" 1>&2; exit 1; }
while... (4 Replies)
All
I see cpu and memory usage are under control, only cache gets high upto 99% using sar -r command
I did echo3 and cleaned the drop caches
do we need to monitor this , why my application going high upto 99.8% memused in sar command , this is cache memory which is going high
will this... (12 Replies)
I have been trying to enable password complexity variables on Solaris 10 by editing the /etc/default/passwd file but none of my changes are taking effect (I'm still able to set passwords that violate the rules I am trying to implement).
I've tried an O/S reboot after the changes but that had no... (6 Replies)
Hello everyone, I am using centos,
1) solaris is free right?
2) I want to learn solaris and install it in a computer that I am mounting, I would like know what is strong in solaris and if do it is wise. I am programmer python, learning machine and programming in general,..any help thanks,.. (6 Replies)
Hello!
Yesterday we added over 10,000 PHP man pages to our man page section.
I've not yet got our unique and special recursive search feature working; but you can still access the PHP man pages directly by selecting PHP in the man sets drop down menu (left side) and then section 3 (right... (3 Replies)
What is the point of this? Whenever I close my shell it appends to the history file without adding this. I have never seen it overwrite my history file.
# When the shell exits, append to the history file instead of overwriting it
shopt -s histappend (3 Replies)