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January 2011
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2011.01.21 00:51 "Cannot read YCbCr JPEG-compressed images", by Craig Bruce
The TIFF library runs into an internal problem when I try to use it to read YCbCr JPEG-compressed images. I'm currently using version 4.0.0beta6, but 3.9 and 3.7 had the same problem. Calling TIFFReadTile() inside my program for the first tile produces the following error: JPEGDecodeRaw: application buffer not large enough for all data. I have put a sample image (it's 41 MB) at: http://csbruce.com/temp/q09050_006_nir.tif $ tiffinfo q09050_006_nir.tif TIFF Directory at offset 0x2705581 Image Width: 11500 Image Length: 7500 Tile Width: 256 Tile Length: 256 Resolution: 0, 0 (unitless) Bits/Sample: 8 Compression Scheme: JPEG Photometric Interpretation: YCbCr YCbCr Subsampling: 2, 2 Samples/Pixel: 3 Planar Configuration: single image plane [...] I get the same problem with TIFFs that aren't tiled or multi-image. Any help is appreciated. --------------------------+----------------------+-------------------------- Dr. Craig S. Bruce | Ph 819-771-8303 x205 | CubeWerx Inc. Senior Software Developer | Fax 819-771-8388 | Gatineau, Québec, Canada csbruce@cubewerx.com | http://csbruce.com/ | http://www.cubewerx.com/ --------------------------+----------------------+-------------------------- "Oh, please. You can't expect politicians to have any comprehension of the technical issues they make world-changing decisions about." _______________________________________________ Tiff mailing list: Tiff@lists.maptools.org http://lists.maptools.org/mailman/listinfo/tiff http://www.remotesensing.org/libtiff/