[Theora-dev] Very visible artefacts on still frames

[illiminable]

You should be able to check out from svn, at 
http://svn.xiph.org/trunk/oggdsf/

Beware if you have a dialup connection, it's pretty large.

If you have trouble getting it to build let me know.

Zen.
----- Original Message ----- 
From: "Alen Ladavac" <alenl-ml at croteam.com>
To: "illiminable" <ogg at illiminable.com>
Cc: <theora-dev at xiph.org>
Sent: Wednesday, July 06, 2005 10:45 PM
Subject: Re: [Theora-dev] Very visible artefacts on still frames


> Hi Zen,
>
> This sounds great. Where can I find this new source tree. I have VS2003 
> and can rebuild using that. But on http://www.illiminable.com/ogg/ , I can 
> only find the version 0.69.8924 and its source. Where can 9298 be found?
>
> Thanks a bunch,
> Alen
>
> ----- Original Message ----- 
> From: "illiminable" <ogg at illiminable.com>
> To: "Alen Ladavac" <alenl-ml at croteam.com>; "Thomas Vander Stichele" 
> <thomas at apestaart.org>
> Cc: <theora-dev at xiph.org>
> Sent: Wednesday, July 06, 2005 12:11
> Subject: Re: [Theora-dev] Very visible artefacts on still frames
>
>
>> Actually... just looking in the logs... it seems ozone already applied 
>> this patch to my source tree in rev 9298 (22/05/05)
>>
>> Zen.
>> ----- Original Message ----- 
>> From: "Alen Ladavac" <alenl-ml at croteam.com>
>> To: "Thomas Vander Stichele" <thomas at apestaart.org>
>> Cc: <theora-dev at xiph.org>
>> Sent: Wednesday, July 06, 2005 8:51 PM
>> Subject: Re: [Theora-dev] Very visible artefacts on still frames
>>
>>
>>> Hi Thomas,
>>>
>>> Thanks a lot for this info. Do you know whether this problem is in the 
>>> encoder or in the decoder? We build decoder from the trunk, so that 
>>> would be fixable, but the encoder is illiminable's dsf filter, so we'd 
>>> need to rebuild that from source. Not trivial but we could probably try 
>>> that. Anyway, we'd need info on which are the diffs for that fix. Is 
>>> that info available somewhere?
>>>
>>> Thanks,
>>> Alen
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "Thomas Vander Stichele" <thomas at apestaart.org>
>>> To: "Alen Ladavac" <alenl-ml at croteam.com>
>>> Cc: <theora-dev at xiph.org>
>>> Sent: Wednesday, July 06, 2005 09:55
>>> Subject: Re: [Theora-dev] Very visible artefacts on still frames
>>>
>>>
>>>> Hi,
>>>>
>>>>
>>>>> While quality is excellent during scenes with motion, all still frames 
>>>>> have
>>>>> some very annoying problems. A still frame usually appears for 
>>>>> dramatic
>>>>> pause (a character's face usually), or when there is a black screen 
>>>>> with
>>>>> text-only ("A few hours later..."). When the still frame initially 
>>>>> appears,
>>>>> it looks good, but as it stands still, its quality quickly degrades. 
>>>>> Along
>>>>> object borders in the image, dots appear in what looks like dithering
>>>>> patterns grouped in small square blocks.
>>>>
>>>> I had that problem too, and Aaron Colwell fixed something in cvs that
>>>> caused this.  So the latest CVS version should work, give it a try.
>>>> Ralph was going to do a new release with this fix soon, but I guess 
>>>> he's
>>>> waiting on some comments on the granulepos thingy.  Ralph ?
>>>>
>>>> Thomas
>>>>
>>>>
>>>> Dave/Dina : future TV today ! - http://www.davedina.org/
>>>> <-*- thomas (dot) apestaart (dot) org -*->
>>>> I'd like to tell you how I feel
>>>> I'll probably keep it till a Saturday
>>>> <-*- thomas (at) apestaart (dot) org -*->
>>>> URGent, best radio on the net - 24/7 ! - http://urgent.fm/
>>>>
>>>>
>>>>
>>>>
>>>
>>> _______________________________________________
>>> Theora-dev mailing list
>>> Theora-dev at xiph.org
>>> http://lists.xiph.org/mailman/listinfo/theora-dev
>>>
>>>
>>>
>>
>>
>>
>
>
>
>