Re: capturing with mmap

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



Kali Griffin wrote:

> 
> If my understanding is correct, with mmap, VIDIOCSYNC, frees
> a specified frame and then the driver fills the mapped memory
> with a video image.  Is there anyway for me to be notified that
> the frame is full?  How can I be sure that after I call VIDIOCSYNC
> that the buffer is full b4 I start working with it?
> 

CSYNC keeps blocked until the frame isn't done...
I dont know how to hook some call to it, but a while() must be enough to
tell when the request is done.


-- 
Gleicon S. Moraes  

Writing about music is like dancing about architecture.
                -- Frank Zappa





[Index of Archives]     [Linux DVB]     [Video Disk Recorder]     [Asterisk]     [Photo]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Free Photo Albums]     [Fedora Users]     [Fedora Women]     [ALSA Users]     [ALSA Devel]     [Linux USB]

Powered by Linux