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From "Damjan Jovanovic (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SANSELAN-13) Problem loading JPEG metada
Date Sun, 04 Dec 2011 07:16:39 GMT

     [ https://issues.apache.org/jira/browse/SANSELAN-13?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Damjan Jovanovic resolved SANSELAN-13.
--------------------------------------

    Resolution: Fixed

My tests with the latest SVN show that getting metadata works - provided you explicitly disable
fetching the thumbnail (which is corrupt in those images):

     Map params = new HashMap();
     params.put(Sanselan.PARAM_KEY_READ_THUMBNAILS, Boolean.FALSE);
     IImageMetadata metadata = Sanselan.getMetadata(file, params);

Resolving fixed.

                
> Problem loading JPEG metada
> ---------------------------
>
>                 Key: SANSELAN-13
>                 URL: https://issues.apache.org/jira/browse/SANSELAN-13
>             Project: Commons Sanselan
>          Issue Type: Question
>            Reporter: Bruno Abreu
>            Priority: Minor
>         Attachments: 10200023566.jpg, 10200023936.jpg
>
>
> I'm trying to load the metadata from image files generated by a JAI-PULNIX camera, model
TS-1327EN.
> I am specifically interested in getting the following tag values:
> ExifTagConstants.EXIF_TAG_IMAGE_DESCRIPTION,
> ExifTagConstants.EXIF_TAG_DATE_TIME_ORIGINAL and
> ExifTagConstants.EXIF_TAG_SUB_SEC_TIME_ORIGINAL.
> But, when the following line of code is executed:
>     IImageMetadata metadata = Sanselan.getMetadata(file);
> I get one of two errors:
> java.io.IOException: Invalid Segment: insufficient data
> 	at org.apache.sanselan.common.BinaryFileFunctions.readByteArray(BinaryFileFunctions.java:497)
> 	at org.apache.sanselan.formats.jpeg.JpegUtils.traverseJFIF(JpegUtils.java:88)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.readSegments(JpegImageParser.java:175)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.readSegments(JpegImageParser.java:273)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.getExifRawData(JpegImageParser.java:383)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.getExifMetadata(JpegImageParser.java:363)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.getMetadata(JpegImageParser.java:314)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:871)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:864)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:839)
> 	at MetadataExample.metadataExample(MetadataExample.java:21)
> or
> java.io.IOException: Could not read block (block start: 1020, block length: 1447680,
data length: 900).
> 	at org.apache.sanselan.common.byteSources.ByteSourceArray.getBlock(ByteSourceArray.java:47)
> 	at org.apache.sanselan.formats.tiff.TiffReader.getTiffRawImageData(TiffReader.java:409)
> 	at org.apache.sanselan.formats.tiff.TiffReader.readDirectory(TiffReader.java:197)
> 	at org.apache.sanselan.formats.tiff.TiffReader.readDirectory(TiffReader.java:100)
> 	at org.apache.sanselan.formats.tiff.TiffReader.readDirectories(TiffReader.java:92)
> 	at org.apache.sanselan.formats.tiff.TiffReader.read(TiffReader.java:399)
> 	at org.apache.sanselan.formats.tiff.TiffReader.readContents(TiffReader.java:390)
> 	at org.apache.sanselan.formats.tiff.TiffImageParser.getMetadata(TiffImageParser.java:125)
> 	at org.apache.sanselan.ImageParser.getMetadata(ImageParser.java:76)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.getExifMetadata(JpegImageParser.java:376)
> 	at org.apache.sanselan.formats.jpeg.JpegImageParser.getMetadata(JpegImageParser.java:314)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:871)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:864)
> 	at org.apache.sanselan.Sanselan.getMetadata(Sanselan.java:839)
> 	at MetadataExample.metadataExample(MetadataExample.java:21)
> Is there something wrong with the encoding of these images?
> If that is the case I could contact JAI-PULNIX and ask them to fix it, but I'm not sure
what the problem is.

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