Re: bug in DWAA and DWAB compression schemes?
Karl Rasche <[email protected]> Fri, 29 Mar 2019 09:09:51 -0700
| Newsgroups | gmane.comp.video.openexr.devel |
|---|---|
| Message-ID | <CAD5HwvSLY1+WLMVLq8tGkB8Pow7CDu6R1OO1BmQ3de0AvEWNrw@mail.gmail.com> |
--===============1303666607102622508== Content-Type: multipart/alternative; boundary="000000000000462b0405853de7fc" --000000000000462b0405853de7fc Content-Type: text/plain; charset="UTF-8" >when an exr is written using either the DWAA > or the DWAB compression scheme, with a 3- > channel image at least, any channel value > over approx 2^16 seems to get output as 0. I > wondered if this behaviour was intentional Not intentional afaik - sounds like a bug. > --000000000000462b0405853de7fc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><br></div><div><div dir=3D"auto">>when an exr is writt= en using either the DWAA=C2=A0</div><div dir=3D"auto">> or the DWAB comp= ression scheme, with a 3-</div><div dir=3D"auto">> channel image at leas= t, any channel value=C2=A0</div><div dir=3D"auto">> over approx 2^16 see= ms to get output as 0. I=C2=A0</div><div dir=3D"auto">> wondered if this= behaviour was intentional=C2=A0</div><div dir=3D"auto"><br></div><div dir= =3D"auto">Not intentional afaik - sounds like a bug.</div><br></div><div><d= iv class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:= 0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><b= r></div></blockquote></div></div> --000000000000462b0405853de7fc-- --===============1303666607102622508== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Openexr-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/openexr-devel --===============1303666607102622508==--