[FFmpeg-devel] [PATCH V4 0/2] Add libsvt HEVC encoder wrapper

[Carl Eugen Hoyos]

2018-12-09 10:24 GMT+01:00, Jun Zhao <mypopydev at gmail.com>:

> SVT-HEVC encoder have some interesting features compare
> with the existing HEVC encoder.
>
> - Multidimensional parallelism
>     a). Picture-based parallelism
>     b). Segment-based parallelism (scales over many CPU cores)
>     c). Will support tile-based parallelism soon
>
> - Human Visual System(HVS)-optimized classification for
>     a). Data-efficient processing
>     b). Computationally efficient partitioning and mode decision
>     c). Higher coding efficiency
>
> - Resource adaptive scalability
>     a). Speed up factor vs HM 16 about 70 times (4K/60fps content,
>         SVT-HEVC enable subjective quality mode with preset setting
>         with M0(highest quality))
>     b). Outperformance the x265 encoder in CQP mode
>
> Some performance data:
> - Real-time encoding of up to 1x 8Kp60/10-bit streams on the
>   Platinum 8180 with preset M11/subjective quality mode
>
> - Real-time encoding of up to 2x 8Kp50/10-bit streams on the
>   Platinum 8180 with preset M12/subjective quality mode
>
> - Real-time encoding of up to 4x 4Kp60/10-bit streams on the
>   Gold 6148 with preset M12/subjective quality mode
>
> - Real-time encoding of up to 6x 4Kp60/10-bit streams on the
>    Platinum 8180 with preset M12/subjective quality mode

To me, this does not sound much better than the information
libturing provided and we rejected the patch.

I have no objections but a better reasoning may be desirable,
especially regarding the subjective quality of the output streams.

Carl Eugen