Opened 13 years ago
Closed 13 years ago
#3887 closed defect (fixed)
trunk 1.8.0 regression with internal libtiff and JPEG compression
Reported by: | Even Rouault | Owned by: | warmerdam |
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Priority: | normal | Milestone: | 1.8.0 |
Component: | default | Version: | unspecified |
Severity: | major | Keywords: | |
Cc: |
Description (last modified by )
gdal_translate ../autotest/gcore/data/rgbsmall.tif tif_jpeg.tif -co COMPRESS=JPEG
produces a dataset that cannot be read :
$ gdalinfo -checksum tif_jpeg.tif Driver: GTiff/GeoTIFF Files: tif_jpeg.tif Size is 50, 50 Coordinate System is: GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433], AUTHORITY["EPSG","4326"]] Origin = (-44.840319999999998,-22.932583999999999) Pixel Size = (0.003432000000000,-0.003432000000000) Metadata: AREA_OR_POINT=Area Image Structure Metadata: COMPRESSION=JPEG INTERLEAVE=PIXEL Corner Coordinates: Upper Left ( -44.8403200, -22.9325840) ( 44d50'25.15"W, 22d55'57.30"S) Lower Left ( -44.8403200, -23.1041840) ( 44d50'25.15"W, 23d 6'15.06"S) Upper Right ( -44.6687200, -22.9325840) ( 44d40' 7.39"W, 22d55'57.30"S) Lower Right ( -44.6687200, -23.1041840) ( 44d40' 7.39"W, 23d 6'15.06"S) Center ( -44.7545200, -23.0183840) ( 44d45'16.27"W, 23d 1' 6.18"S) Band 1 Block=50x50 Type=Byte, ColorInterp=Red Warning 1: JPEGPreDecode:Improper JPEG sampling factors 2,2 Apparently should be 1,1. ERROR 1: JPEGPreDecode:Cannot honour JPEG sampling factors that exceed those specified. ERROR 1: TIFFReadEncodedStrip() failed. ERROR 1: IReadBlock failed at X offset 0, Y offset 0 ERROR 1: GetBlockRef failed at X block offset 0, Y block offset 0 ERROR 3: Checksum value couldn't be computed due to I/O read error. Checksum=0 Band 2 Block=50x50 Type=Byte, ColorInterp=Green Checksum=0 Band 3 Block=50x50 Type=Byte, ColorInterp=Blue Checksum=0
Works fine with 1.7 branch and its internal libtiff.
The issue occurs when writing the dataset (a dataset produced with 1.7 can be read by trunk, but not the reverse)
Change History (3)
comment:1 by , 13 years ago
Description: | modified (diff) |
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comment:2 by , 13 years ago
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I've identified the regression to be caused by a very recent change in libtiff :
Emailing Lee and libtiff list about this...