[FFmpeg-devel] [PATCH V5 0/2] Add libsvt HEVC encoder wrapper

Jean-Baptiste Kempf jb at videolan.org
Sat Dec 22 18:57:23 EET 2018


On Sat, 22 Dec 2018, at 13:02, Carl Eugen Hoyos wrote:
> > HEVC-compliant encoder library core that achieves excellent density-quality
> I don't find it ideal that FFmpeg git claims that an Intel encoder
> does something "excellent" - unrelated to our actual opinion.
> Please rephrase.

My understanding from the testing we've done, is that SVT is a good encoder for live cases, but clearly not excellent in all cases, notably the VOD scenarios that are often used with FFmpeg.

> > tradeoffs, and is highly optimized for Intel Xeon Scalable Processor and
> (and while there, also remove / change "highly optimized")

Yep, mention AVX-512, not the marketing terms.

> > Xeon D processors. Intel open source SVT-HEVC encoder in:
> > https://github.com/intel/SVT-HEVC.
> > This wrapper work with SVT-HEVC master branch, more information can get
> > from https://github.com/intel/SVT-HEVC/blob/new_api/ffmpeg_plugin/.
> This is irrelevant:
> If SVT is another example of a library that does not plan some kind
> of api stability, we should not merge your patch.
> If api stability is to be expected, the sentence is not necessary.

API will be stable, from my understandings, but not soon.

Jean-Baptiste Kempf -  President
+33 672 704 734

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