Re: Set Frequency Problem

Adrian Pardini <[email protected]> Mon, 22 Mar 2010 15:35:55 -0300
Newsgroups gmane.comp.video.video4linux
Message-ID <[email protected]>
On 22/03/2010, Sanfelici Claudio <[email protected]> wrote:
> Yes, I set the input during initialization time. The set frequency sometimes
> works correctly and I can see the images. Normally, the first set works and
> I can see the images; than i call the set frequency and (sometimes) the
> signal goes 0. In this moment to continue with other tests, I've put the set
> frequency ioctl in a do/while loop that continue to call the set frequency
> untill the signal goes >0
>
> Of course, with other programs the card works
>
> Thank you !


Well, thats a good sign. Could you share with us the relevant C code
and more info about the card?





> Adrian Pardini ha scritto:
>>
>> On 22/03/2010, Sanfelici Claudio <[email protected]> wrote:
>> [...]
>>
>>>
>>> When I call the VIDIOC_S_FREQUENCY the driver change the frequency, but
>>> the video signal is 0 (according to the VIDIOC_G_TUNER) and the image is
>>> black. I've to call some times the VIDIOC_S_FREQUENCY to get the signal
>>> on
>>>
>>>
>>
>> Hi, is the right input selected? Does the card work with other
>> programs, like xawtv?
>>
>> cheers
>>
>>


-- 
Adrian.
http://elesquinazotango.com.ar
http://www.noalcodigodescioli.blogspot.com/

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