AWARE SYSTEMS
TIFF and LibTiff Mail List Archive

2004.09.27 18:25 "[Tiff] Re: [Gdal-dev] update TIFF compressed files in place", by Andrey Kiselev

On Mon, Sep 27, 2004 at 04:58:21PM +0200, Julien Demaria wrote: > I work with CVS GDAL and play with the new feature "update TIFF

> compressed files in place" with gdalwarp ; my little tests work well > except with a RGB file with JPEG compression:

>

> Warning 1: JPEGLib:Application transferred too many scanlines > ERROR 1: JPEGLib:Improper call to JPEG library in state 101

> Warning 1: JPEGLib:Application transferred too many scanlines > ERROR 1: JPEGLib:Improper call to JPEG library in state 101

> Warning 1: JPEGLib:Application transferred too many scanlines
>
> and the resulting file is wrong.
>
> If I want to create a pixel interleaved file (-co INTERLEAVE=PIXEL) I have
> another error:
>
> Warning 1: JPEGLib:Application transferred too many scanlines
> gdalwarp: tif_jpeg.c:651: JPEGPreDecode: Assertion
> `sp->cinfo.comm.is_decompressor' failed.
>
> and the resulting file is all black...

Julien,

I'm not sure that JPEG codec is able to work properly with that feature, but I will look at this.

                                                Andrey

PS.

I won't be available until the end of the week.

--
Andrey V. Kiselev

Home phone: +7 812 5274898 ICQ# 26871517