interlaced tv-out

[Costa Tsaousis]

Hi,

I have a box with 2 dxr3 cards which I use to stream movies via dxr3
tv-out to RF modulators which are then received and displayed on
multiple TVs.

Everything works fine, except with interlaced PAL movies.
The interlaced parts of the movies appear on the TVs jumpy, like the
interlaced parts are displayed in reverse order.

The movies are encoded to MPEG2 with mencoder and are played with
mplayer -vo dxr3.
Of course the movies are played without any issues in Linux and Windows
client on normal computer monitors.

Initially I thought this has something to do with the dxr3 firmware, so
I tried the ones supplied by RealMagic (all 3 of them). However the
issue remains when the movies are displayed on TVs.

Is this is a fault of the dxr3 module of mplayer? (mplayer plays them
normaly on computer monitors).
Any other ideas?

Kind regards,

Costa


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[Nicolas Boullis]

Hi,

On Wed, Feb 06, 2008 at 11:11:24PM +0200, Costa Tsaousis wrote:

> Hi,
>
> I have a box with 2 dxr3 cards which I use to stream movies via dxr3
> tv-out to RF modulators which are then received and displayed on
> multiple TVs.
>
> Everything works fine, except with interlaced PAL movies.
> The interlaced parts of the movies appear on the TVs jumpy, like the
> interlaced parts are displayed in reverse order.
>
> The movies are encoded to MPEG2 with mencoder and are played with
> mplayer -vo dxr3.
> Of course the movies are played without any issues in Linux and Windows
> client on normal computer monitors.
>
> Initially I thought this has something to do with the dxr3 firmware, so
> I tried the ones supplied by RealMagic (all 3 of them). However the
> issue remains when the movies are displayed on TVs.
>
> Is this is a fault of the dxr3 module of mplayer? (mplayer plays them
> normaly on computer monitors).
> Any other ideas?

It's hard to tell. I've been playing some interlaced PAL videos through
my H+ and DXR3 cards, without experiencing such problems. I never used
mplayer.

Would it be possible for you to put some short excerpt of such a video
somewhere we can download it? I'd be happy to give it a look.

For what it's worth, I'd be tempted to think the problem might be with
your MPEG2 video, possibly because of mencoder.

Note that when you play the video on your computer monitor, some
uninterlacing is probably involved; this might hide a problem with the
video.


Cheers,

Nicolas

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