[FFmpeg-devel] [PATCH 1/5] avcodec/vc1: FIELDTX is only coded raw in interlaced frame I pictures

Jerome Borsboom jerome.borsboom at carpalis.nl
Fri May 18 22:04:08 EEST 2018

> 2018-05-18 17:06 GMT+02:00, Jerome Borsboom <jerome.borsboom at carpalis.nl>:
>> This patch set solves various issues that affected the SA10180.vc1
>> test file. With these patches applied, this file decodes bitequal to
>> the Intel VAAPI decoder on Haswell.
> I still see artefacts beginning after ~22 seconds that are not visible
> with the reference decoder, the first 547 frames are bit-exact.
> Carl Eugen

I have found the issue that produces the artifacts. I need to update
both ffmpeg and the Intel VAAPI driver as both make the same wrong
assumption. Please expect at least one more patch in the coming days to
resolve this issue.


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