[mythtv] Making Squished 4:3 -> 16:9 again for mytharchive DVDs?

Martin Møller martin at martinm-76.dk
Wed Oct 4 07:54:05 UTC 2006

I do believe it is something like what you're describing. My recorders are all software encoders though and I don't think they get any aspect que parsed onto them...?

As to what I'd like to happen: I'm not sure if it's as easy as setting the right aspect, but I would like letterboxing on 4:3 display and for the recording  to fill the entire screen on a 16:9 display (unfortunately I don't know anyone near me who has one...)

I promise to make a test today when I get home and see if that is all it takes. :)

If it is, the solution should be as simple as providing an override in MythArchive.


----- Original Message -----
From: Paul Bailey <bailey at dreamshake.net>
To: Development of mythtv <mythtv-dev at mythtv.org>
Sent: 4. oktober 2006 02:30:42 GMT+0100
Subject: Re: [mythtv] Making Squished 4:3 -> 16:9 again for mytharchive DVDs?

On 3 Oct 2006, at 11:49 pm, Jay R. Ashworth wrote:

> I'd be flat *amazed* if you ended up with a 4:3 scope recording
> off-air, BTW: how did you manage that?

I might be wrong, but I think that's how widescreen SD DVB-T is  
transmitted in the UK.  For example, on playing back one of my  
widescreen recordings in MPlayer I see:

Starting playback...
VDec: vo config request - 720 x 576 (preferred colorspace: Planar YV12)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
SwScaler: BICUBIC scaler, from Planar YV12 to Packed YUY2 using MMX2
VO: [macosx] 720x576 => 1024x576 Packed YUY2
[Mixer] No hardware mixing, inserting volume filter.

If that is indeed what is happening, it's a *very* common occurence  
on my system, probably 75% of what I record is SD widescreen.
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