[FFmpeg-devel] FFV1 slicecrc: "hashxx" instead of "CRC" for speed?

[Andreas Rheinhardt]

Peter B.:
> Hi everyone :)
> 
> This is merely a question of interest. Not a request, complaint or
> trolling of any kind :)
> I'm happy about any answer. I'm curious.
> 
> Would it possibly have a significant impact on coding speed of FFV1's
> slicecrc option (Where a CRC is calculated for each frame slice), to use
> a faster algorithm instead (if one exists)?
> I'm wondering if, for example something like "xxHash" may warrant a try?
> (Haven't found CRC vs xxHash benchmarks yet, but I'm still looking)
> 

The format of the checksum is determined by the FFV1 specification and
not by the decoder/encoder implementation.

- Andreas