[FFmpeg-devel] libavcodec/psd : add support for rgb/gray float

[Martin Vignali]

2017-03-08 2:15 GMT+01:00 Dzung Hoang <dthoang-at-yahoo.com at ffmpeg.org>:

> I implemented a 32-bit float GBRAP/GBRP pixel format and used it in
> vf_zscale.c and vf_overlay.c. I also implemented an EXR encoder using
> miniexr that uses the new float pixel format. I can contribute this if
> there is interest.
> I used the above mods to do HDR video processing that includes overlaying
> HDR and SDR video. IMHO, for ffmpeg to handle HDR video well, float and
> half-float are needed and also metadata to signal the color space and
> transfer function for each picture. It's a big job that can touch a lot of
> code, which is why I kept my changes private and limited to only what I
> need.
>
>
If you already working on this, it can be interesting to post your work on
this mailing list.

I think the integration of float processing, can be made by steps
(input/output pixels formats, exr encoder, integration in filter(s))


Martin