2017-03-08 2:15 GMT+01:00 Dzung Hoang <[email protected]>:
> 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 _______________________________________________ ffmpeg-devel mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
