[gdal-dev] GDAL unable to write 4-band RGBA jp2 file with Kakadu 7.8

[jason.liu]

Hi gdal-dev,

I am having trouble using GDAL to write 4-band RGBA jp2 file with Kakadu
7.8. The following minimal code


    GDALAllRegister();

    GDALDataset* srcDataset =
(GDALDataset*)GDALOpen("/home/jason.liu/00000783.tif", GA_ReadOnly);
    char **papszOptions = NULL;
    papszOptions = CSLSetNameValue( papszOptions, "QUALITY", "20" );

    GDALDriver *driver = GetGDALDriverManager()->GetDriverByName("JP2KAK");
    GDALDataset* destDataset =
driver->CreateCopy("/home/jason.liu/00000783.jp2",
                                                  srcDataset,
                                                  FALSE,
                                                  papszOptions,
                                                  NULL,
                                                  NULL);

    if( destDataset != NULL ) {
        GDALClose( (GDALDatasetH) destDataset );
    }
    GDALClose( (GDALDatasetH) srcDataset );
    CSLDestroy(papszOptions);


crashes Kakadu 7.8 with the following message in stderr:

ERROR 1: Error in Kakadu File Format Support:
Attempting to create a Component Mapping (cmap) box, one of whose channels
refers to a non-existent image component or palette lookup table.
terminate called after throwing an instance of
'kdu_cpl_error_message::JP2KAKException'


where /home/jason.liu/00000783.tif is a 4-band 16-bit RGBA tif.


I have also done the following tests and noted the results:

3-band 8-bit RGB tif            OK
3-band 16-bit RGB tif          OK
4-band 8-bit RGBA tif          error as above
4-band 16-bit RGBA tif        error as above


Am I doing anything wrong here? 

By the way, I am quite certain Kakadu 7.8 supports 4-band RGBA as I can use
their example kdu_compress to produce 4-band RGBA jp2 images. So this looks
to be a problem with GDAL, or the way I am invoking it.


Any insights will be greatly appreciated.

Kind Regards
Jason




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