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https://issues.apache.org/jira/browse/IMAGING-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16895634#comment-16895634
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Bruno P. Kinoshita commented on IMAGING-234:
--------------------------------------------
Hi [~mcabahug27]
Thanks for the update, and glad it worked. I've reduced the priority of this
issue to Minor, and will leave it open. Some day I want to find out if we are
being too strict (without a flag/argument to increase/decrease strictness) or
if the spec says anything about using segment size only as a reference.
Because exiftool, libexif, JHove and other tools appear to handle the metadata
without issue, as long as your byte stream is OK, regardless of what you
specify in the segment size. So we could improve Imaging by doing as these
tools, maybe.
> Unable to get ImageMetadata from JPEG file
> ------------------------------------------
>
> Key: IMAGING-234
> URL: https://issues.apache.org/jira/browse/IMAGING-234
> Project: Commons Imaging
> Issue Type: Bug
> Components: Format: JPEG
> Affects Versions: 1.0-alpha1
> Reporter: Michelle Cabahug
> Priority: Minor
> Attachments: 20190725_102443_t.jpg
>
>
> Imaging.getMetadata() API is failing for JPEG image file (see attached)
> Error message:
> {code:java}
> 07-25 12:06:54.034 4495 4660 W ExifHelper: Error getting exif metadata from
> 20190725_114523_t.jpg
> 07-25 12:06:54.040 4495 4660 W ExifHelper: Exception: java.io.IOException:
> Not a Valid TIFF File
> {code}
>
> Code:
> {code:java}
> try {
> Map params = new HashMap();
> params.put(ImagingConstants.PARAM_KEY_READ_THUMBNAILS, Boolean.FALSE);
> params.put(ImagingConstants.PARAM_KEY_STRICT, Boolean.FALSE);
> ImageMetadata metadata = Imaging.getMetadata(jpegFile);
> JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
> if (jpegMetadata != null) {
> return jpegMetadata.getExif();
> }
> } catch (Exception e) {
> Log.w(TAG, "Error getting exif metadata from " +
> jpegFile.getAbsolutePath());
> Log.w(TAG, "Exception: " + e);
> }
> {code}
>
> jhove output:
> {code:java}
> ❯ ./jhove 20190725_102443_t.jpg
> Jhove (Rel. 1.22.1, 2019-04-17)
> Date: 2019-07-25 11:54:41
> EDT RepresentationInformation: 20190725_102443_t.jpg
> ReportingModule: BYTESTREAM, Rel. 1.4 (2018-10-01)
> LastModified: 2019-07-25 10:27:40 EDT Size: 18212
> Format: bytestream
> Status: Well-Formed and valid
> SignatureMatches: JPEG-hul MIMEtype: application/octet-stream
> {code}
>
> exiftool output:
> {code:java}
> ❯ exiftool -api validate=2 20190725_102443_t.jpg
> ExifTool Version Number : 11.50
> File Name : 20190725_102443_t.jpg
> Directory : .
> File Size : 18 kB
> File Modification Date/Time : 2019:07:25 10:27:40-04:00
> File Access Date/Time : 2019:07:25 11:31:49-04:00
> File Inode Change Date/Time : 2019:07:25 10:27:40-04:00
> File Permissions : rw-r--r--
> File Type : JPEG
> File Type Extension : jpg
> MIME Type : image/jpeg
> Exif Byte Order : Big-endian (Motorola, MM)
> Image Description : shawty snappppp
> X Resolution : 72
> Y Resolution : 72
> Resolution Unit : inches
> Y Cb Cr Positioning : Centered
> Exif Version : 0210
> Components Configuration : Y, Cb, Cr, -
> Flashpix Version : 0100
> Color Space : Uncalibrated
> Exif Image Width : 0
> Exif Image Height : 0
> Image Width : 423
> Image Height : 238
> Encoding Process : Baseline DCT, Huffman coding
> Bits Per Sample : 8
> Color Components : 3
> Y Cb Cr Sub Sampling : YCbCr4:2:0 (2 2)
> Image Size : 423x238
> Megapixels : 0.101{code}
>
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