2012/3/21 Devin Heitmueller :
> I'm not sure what you mean by "no video". Do you have capture
> disabled? Are you saying that you didn't connect the video cable to
> your input? Most devices will continue to generate video frames over
> isoc even if there is no actual video signal present.
I me
2012/3/21 Ezequiel García :
> Ok. So, it's not saa7113 related, but rather stk1160 related?
Yes.
> When there is no video, isoc urbs are received with actual length=4.
> This is header right?
I'm not sure what you mean by "no video". Do you have capture
disabled? Are you saying that you didn't
Hi,
2012/3/21 Devin Heitmueller :
>
> Every USB bridge provides their raw video over isoc in a slightly
> different format (not just in terms of the colorspace but also how to
> read the isoc header to detect the start of video frame, which field
> is being sent, etc). Regarding the colorspace, i
Hi,
2012/3/21 Jean-Francois Moine :
> In the gspca test tarball (see my site), I merged the spca506 code into
> the spca505 for a webcam which may also do analog video capture. The
> webcam works, but the analog video capture has never been tested.
> Also, the gspca_main <-> subdriver interface fo
2012/3/21 Ezequiel García :
> 2012/3/20 Andy Walls :
>
>>
>> Section 8.10 of the SAA7113 data sheet shows 16 "data formats". The
>> interesting one for video is #15 Y:U:V 4:2:2.
Every USB bridge provides their raw video over isoc in a slightly
different format (not just in terms of the colorspace
2012/3/20 Andy Walls :
>
> Section 8.10 of the SAA7113 data sheet shows 16 "data formats". The
> interesting one for video is #15 Y:U:V 4:2:2.
Thanks. Perhaps, I should have done my homework.
>
> The EM28xx chip programming might rearrange some data, but I have no
> knowledge or experience with
On Tue, 20 Mar 2012 21:05:13 -0300
Ezequiel García wrote:
> I'm a little lost while writing a driver for an easycap device
> (saa7113 capture device).
> I have my isoc handler, and the isoc urb flying OK.
> I also have the videobuf2 queue setup (or at least I think so), and I
> understand
> I ne
On Tue, 2012-03-20 at 21:05 -0300, Ezequiel García wrote:
> Hello,
>
> I'm a little lost while writing a driver for an easycap device
> (saa7113 capture device).
> I have my isoc handler, and the isoc urb flying OK.
> I also have the videobuf2 queue setup (or at least I think so), and I
> underst
Hello,
I'm a little lost while writing a driver for an easycap device
(saa7113 capture device).
I have my isoc handler, and the isoc urb flying OK.
I also have the videobuf2 queue setup (or at least I think so), and I understand
I need to call vb2_buffer_done() with a filled buffer.
What I DON'T
