[FFmpeg-devel] [PATCH v2] avcodec/vc1: fix overlap smoothing filter for P frames

[Carl Eugen Hoyos]

2018-05-30 13:53 GMT+02:00, Jerome Borsboom <jerome.borsboom at carpalis.nl>:
> The v_overlap_filter needs to run on the colocated block of the previous
> macroblock. For the luma plane, the colocated block is located two blocks
> on the left instead of one. In addition, the overlap filter needs to run
> on the non-edge blocks of the first macroblock row and column.
>
> Signed-off-by: Jerome Borsboom <jerome.borsboom at carpalis.nl>
> ---
> This is an improved patch that should also fix the remaining frames in
> SSL0013.rcv.

The patch also fixes SSL0014.rcv, the only sample in this directory
that still doesn't decode bit-exact is SSL0015.rcv, I don't know if the
issue is also loopfilter-related.

Thank you, Carl Eugen