Opened 12 years ago

Closed 12 years ago

#3049 closed defect (fixed)

Slow reading 16 bit JP2 compressed NITF images

Reported by: gaopeng Owned by: warmerdam
Priority: normal Milestone: 1.7.0
Component: GDAL_Raster Version: 1.6.1
Severity: normal Keywords: jp2kak
Cc:

Description

The DirectRasterIO (JP2 read optimization) can't read 16-bit data, and jp2kak driver falls back to use IReadBlock.

The sample datasets are large. Can send DVD if necessary.

Change History (3)

comment:1 Changed 12 years ago by warmerdam

Keywords: jp2kak added
Status: newassigned

Starting work - I have 16bit jpeg2000 files that seem to demonstrate the issue.

comment:2 Changed 12 years ago by warmerdam

Milestone: 1.7.0

Adjusted in trunk (r17340) and 1.6-esri branch (r17343) to support Int16 and UInt16 imagery through the DirectIO() interface.

comment:3 Changed 12 years ago by warmerdam

Resolution: fixed
Status: assignedclosed
Note: See TracTickets for help on using tickets.