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- Path: informatik.tu-muenchen.de!fischerj
- From: fischerj@informatik.tu-muenchen.de (Juergen "Rally" Fischer)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Sense of V43 picture.datatype ?
- Date: 18 Apr 1996 12:22:40 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: inet
- Message-ID: <4l5c6g$hqp@sunsystem5.informatik.tu-muenchen.de>
- References: <19960402.E102458.3A23@hydra.zrz.tu-berlin.de> <jdjspemr5dk.fsf@hyppynaru.cs.hut.fi> <43317@lyssa.owl.de>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- Originator: fischerj@hphalle5.informatik.tu-muenchen.de
-
-
- In article <43317@lyssa.owl.de>, "Matthias Scheler" <tron@lyssa.owl.de> writes:
-
- |> 1.) "gif.datatype" loads chunky image.
- |> 2.) "gif.datatype" converts it to planar format.
- |> 3.) "picture.datatype" converts image to chunky format to be able to
- |> apply color mapping.
- |> 4.) "picture.datatype" applies color mapping.
- |> 5.) "picture.datatype" converts image to planar format to be able to
- |> display it.
- |> Time required: 15 secs
- |>
- |> 1.) "gif.datatype" loads chunky image.
- |> 2.) "picture.datatype" applies color mapping.
- |> 3.) "picture.datatype" converts image to planar format to be able to
- |> display it.
- |>
- |> Time required: 8 secs
- |>
- either they are quite general c2p/p2c routines or it's a
- very big pic ;)
-
- In the 15sec case, will both 2.) and 5.) be done in chipmem ?
- 5.) sure.
- 2.) ? then 3.) will also work in chipmem...
-
- I guess c2p is not that much work compared to picture uncompression ?
- Well, gif seems to be a very quick algo.
-
- |> [Both benchmarks on an A4000/040 without using a graphics board.]
- |>
- |> --
- |> Matthias Scheler
- |> tron@lyssa.owl.de
- |>
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
-