[mythtv-users] Adjusting Brightness Levels

[Kevin Wentland]

Was there ever a answer found for this question?

On 2/3/07, David Vasquez <vasqued2 at yahoo.com> wrote:
>
> I've been trying to adjust the brightness of my
> recordings because they were too dark.  I've tried
> multiple ways with mixed success.  I have two separate
> capture cards (both PVR-250's) and a firewire
> connection.
>
> First, I adjusted the Recording brightness value in
> the channel table but the cards behaved differently
> and it seemed like some recordings weren't getting the
> adjustments.
>
> Second, I tried adjusting the Playback brightness and
> this worked fine until I tried to watch a DVD and I
> needed to readjust the Playback brightness back to its
> original value.
>
> Third, I found a comment in the Wiki that per-capture
> card video adjustments were included in 0.20.  I then
> looked at the capturecard table and noticed
> brightness, contrast, etc. columns.
>
> I also noticed that one capture card has brightness =
> 5240 and the other to 5784.  Also, the contrast for
> one card is 0 and the other is 65261.  I suspect that
> this is what is causing my cards to behave
> differently.
>
> Any information on how to use the values in the
> capturecard table vs. the channel table would be
> appreciated.
>
> Thanks!
> David
>
>
>
>
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