From: Haavard Holm <haavard.holm@ntnu.no>
To: video4linux-list@redhat.com
Subject: Re: Varying frame rate
Date: Sun, 16 Aug 2009 10:35:56 +0200 [thread overview]
Message-ID: <4A87C4EC.6030309@ntnu.no> (raw)
In-Reply-To: <20090816080309.3f19a067@tele>
On 08/16/2009 08:03 AM, Jean-Francois Moine wrote:
> On Sun, 16 Aug 2009 03:43:52 +0300
> Maxim Levitsky<maximlevitsky@gmail.com> wrote:
>
>
>> On Sat, 2009-08-15 at 23:48 +0200, Haavard Holm wrote:
>>
> [snip]
>
>>> My obeservation is : Depending on what my camera focus on, the
>>> framerate varies from 5 to 15 fps. I have tried several times, same
>>> result.
>>>
> [snip]
>
>> I have observed similar issues with uvc camera on my aspire one (low
>> frame rate while the illumination is low)
>>
>> Probably this is a hardware issue, and maybe there is a control to
>> turn this off.
>>
> Hello,
>
> The frame rate depends on the exposure time. If auto exposure is set,
> you may have such a behaviour.
>
From a c-program - how do I turn off auto exposure ?
Best
Håvard Holm
> Best regards.
>
>
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next prev parent reply other threads:[~2009-08-16 8:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-15 21:48 Varying frame rate Haavard Holm
2009-08-16 0:43 ` Maxim Levitsky
2009-08-16 6:03 ` Jean-Francois Moine
2009-08-16 6:09 ` Maxim Levitsky
2009-08-16 8:35 ` Haavard Holm [this message]
2009-08-16 9:09 ` Jean-Francois Moine
2009-08-17 13:52 ` RE : " Jonathan Lafontaine
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