[Ffmpeg-devel] H264 now has artifacts on G4

Derk-Jan Hartman d.hartman
Sun Jun 5 03:55:44 CEST 2005


PC without mmx optimization has the same issue.

DJ

On 05 jun 2005, at 01:42, Derk-Jan Hartman wrote:
> On 04 jun 2005, at 23:58, M?ns Rullg?rd wrote:
>> Derk-Jan Hartman <d.hartman at student.utwente.nl> writes:
>>> I just updated my ffmpeg to a complete fresh build and all of a 
>>> sudden
>>> I have artefact as should be visible from the snapshots and ffmpeg
>>> transcode linked below. It was a while ago since i last tested h264
>>> with ffmpeg, so i have no idea when this went wrong.
>
>> Could you try to narrow down the time of the breakage?  A binary
>> search usually pinpoints the revision that broke things rather
>> quickly.  Also try without altivec optimizations.
>
> Revision 1.131 / (download) - annotate - [select for diffs] , Wed Jun 
> 1 08:43:40 2005 UTC (3 days, 14 hours ago) by michael
> Branch: MAIN
> Changes since 1.130: +18 -4 lines
> Diff to previous 1.130
> avoid one transpose (730->680 dezicycles on duron)
>
> That's the cause of the problem
>
> DJ
> ---
> Universiteit Twente
> Derk-Jan Hartman (d.hartman at student.utwente dot nl)
> http://www.sidequest.org
>
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>
---
Universiteit Twente
Derk-Jan Hartman (d.hartman at student.utwente dot nl)
http://www.sidequest.org





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