Ben Bridgwater wrote:
>
> V4L2 also provides for non-blocking streaming captures and reads by supporting
> select(), which will indicate the file descriptor has stuff to read either if a
> streaming buffer is available to be dequeued, or (if streaming is off), if a
> frame is available to be read with read(). This is something I really miss in
> V4L.
>
> I'm not sure if read() is working in bttv (it's not in the version I have - I
> use mmap()), but I believe it is in bttv2.
>
> Ben
OK, the read() thing is a bttv issue, not a v4l issue. v4l does include
read() support, it is just broken in bttv due to some of that historical
cruft I mentioned.
-justin
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