I know that it is a newbie question, but
everybody should start at some point :)
I have video frames captured 25fps in 24bpp
RGB. I want to draw them in X11 window. I can't just overlay from
framegrabber(bt848) to the framebuffer (because of camera switches that take
place in a middle, fra
well I am trying to draw 2 streams of yuv420 frames to 2 windows
I am doing XvShmPutImage , once to first window and once to another once to
first, once to another etc.
I use separate shared memories for each window.
I am doing it very slowly (usleep(300) between each draw). the strange
thi
forgot to mention: XFree86 4.1.0
- Original Message -
From: Michael Zayats <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, October 18, 2001 12:45 PM
Subject: very strange XVideo behaviour (i810)
> well I am trying to draw 2 streams of yuv420 frames to 2 w
>On Thu, 2001-10-18 at 12:45, Michael Zayats wrote:
>> well I am trying to draw 2 streams of yuv420 frames to 2 windows
>>
>> I am doing XvShmPutImage , once to first window and once to another once
to
>> first, once to another etc.
>>
>> I use separate shar
>Not if there's only one adaptor with only one overlay.
>You could add a second adaptor which uses the texture engine, like it's
>already done in the tdfx driver.
Can you explain a bit more about texture engine?
If I udenrstand it right it is 3d acceleration feature, you first use DRI to
DMA it
On Thu, 2001-10-18 at 15:03, Michael Zayats wrote:
>> Can you explain a bit more about texture engine?
>> If I udenrstand it right it is 3d acceleration feature, you first use DRI
to
>> DMA it to texture memory and then use OPenGL commands to place it on
screen
>> t
well now I am trying to switch to "regular" XShmPutImage, but it doesn't
work for me
a few comments to the code: my visual is 16bpp 565 RGB the following code
misses smth, please spend two minutes in Draw function, put your attention
that window is allocated in the other place, what I get on scre
>I work under X11R6 server with XFree86 4.1.0, using XLib and XToolkit
graphic libraries.
>My program must capture-process-display every frame captured from a video
source, at the maximum frame >rate.
>All done without palette transformations.
>Who knows the fastest way to put a buffer, containi
help, anybody?
P.S. forgot to mention that XShmPutImage always returns me -1, what's that?
P.P.S. please help me with the problem below
- Original Message -
From: Michael Zayats <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 19, 2001 8:21 PM
Subj
- Original Message -
From: Mark Vojkovich <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, October 20, 2001 11:19 PM
Subject: Re: [Xpert]Fw: XShmPutImage
> On Sat, 20 Oct 2001, Michael Zayats wrote:
>
> > help, anybody?
> >
> > P.S. forgot
sorry guys, the only problem was in the order of parameters to
XShmPutImage,
thank you all!
> > On Sat, 20 Oct 2001, Michael Zayats wrote:
> >
> > > help, anybody?
> > >
> > > P.S. forgot to mention that XShmPutImage always returns me -1, what'
strangely enough I was playing with exactly the same process for last 2
weeks
> -1- It is programmed to capture frames in RGB565 format (like the display)
on a mmap shared buffer
> -2- Via a memcpy, the captured frame is copied into a XImage created with
XShmCreateImage
> -3- Then the sw process t
hm, I am expiriencing the same thing, but: I am using kdm, xfree86 4.1.0 and
it happens in 16bpp only
my video is i810
Michael
- Original Message -
From: Bill Schoolcraft <[EMAIL PROTECTED]>
To: Xpert <[EMAIL PROTECTED]>
Sent: Monday, October 22, 2001 7:29 PM
Subject: [Xpert]GDM will not
13 matches
Mail list logo
