[FFmpeg-devel] [PATCH 01/14] avcodec/vc1: re-implement and expand VC-1 overlap smooting

James Almer jamrial at gmail.com
Thu Apr 26 04:56:37 EEST 2018

On 4/23/2018 3:58 PM, Jerome Borsboom wrote:
> The existing implementation did overlap smoothing for progressive
> frames only. This rewritten version implements overlap smoothing
> for all applicable frame types for both progessive and
> frame/field-interlace.
> Signed-off-by: Jerome Borsboom <jerome.borsboom at carpalis.nl>
> ---
> This patch-set improves the VC-1 software decoder to the point where the fate
> checksums are equal to checksums from the Intel hardware decoded image on Haswell.

This apparently introduced a few invalid reads and use of uninitialized
values, as found by Valgrind.


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