If the image has more than one sample it is assumed that all samples have the same nodata value. This tag is currently only supported by the GDAL library. See ...
gdal-get-nodata-value
No data value is set to -9999 and output array has -9999 cells. However, when I write the result to a gdal memory file to save some time (25 seconds shorter .... so you have to change the nodata value from -32768 to -9999 before using fill nodata function. Usually there are several ways to do this in QGIS. For example ... 3925e8d270
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