[
https://issues.apache.org/jira/browse/IMAGING-134?focusedWorklogId=256361&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-256361
]
ASF GitHub Bot logged work on IMAGING-134:
------------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jun/19 03:54
Start Date: 08/Jun/19 03:54
Worklog Time Spent: 10m
Work Description: kinow commented on pull request #47: IMAGING-134: Fix
JPEG handling for files encoded with RST markers
URL: https://github.com/apache/commons-imaging/pull/47#discussion_r291792699
##########
File path:
src/main/java/org/apache/commons/imaging/formats/jpeg/decoder/JpegDecoder.java
##########
@@ -71,11 +73,23 @@ public boolean beginSOS() {
public void visitSOS(final int marker, final byte[] markerBytes, final
byte[] imageData) {
final ByteArrayInputStream is = new ByteArrayInputStream(imageData);
try {
+ // read the scan header
final int segmentLength = read2Bytes("segmentLength", is, "Not a
Valid JPEG File", getByteOrder());
final byte[] sosSegmentBytes = readBytes("SosSegment",
is, segmentLength - 2, "Not a Valid JPEG File");
sosSegment = new SosSegment(marker, sosSegmentBytes);
+ // read the payload of the scan, this is the remainder of image
data after the header
+ // the payload contains the entropy-encoded segments (or ECS)
divded by RST markers
Review comment:
s/divded/divided
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Issue Time Tracking
-------------------
Worklog Id: (was: 256361)
Time Spent: 1h 20m (was: 1h 10m)
> Invalid marker found in entropy data
> ------------------------------------
>
> Key: IMAGING-134
> URL: https://issues.apache.org/jira/browse/IMAGING-134
> Project: Commons Imaging
> Issue Type: Bug
> Components: Format: JPEG
> Affects Versions: 1.0-alpha1
> Reporter: John Hewson
> Assignee: Bruno P. Kinoshita
> Priority: Major
> Fix For: Patch Needed
>
> Attachments: image.jpeg
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> I'm getting the following exception when trying to read a JPEG:
> Exception in thread "main" org.apache.commons.imaging.ImageReadException:
> Invalid marker found in entropy data
> at
> org.apache.commons.imaging.formats.jpeg.decoder.JpegInputStream.nextBit(JpegInputStream.java:50)
> at
> org.apache.commons.imaging.formats.jpeg.decoder.JpegDecoder.decode(JpegDecoder.java:426)
> at
> org.apache.commons.imaging.formats.jpeg.decoder.JpegDecoder.readMCU(JpegDecoder.java:320)
> at
> org.apache.commons.imaging.formats.jpeg.decoder.JpegDecoder.visitSOS(JpegDecoder.java:124)
> at
> org.apache.commons.imaging.formats.jpeg.JpegUtils.traverseJFIF(JpegUtils.java:80)
> at
> org.apache.commons.imaging.formats.jpeg.decoder.JpegDecoder.decode(JpegDecoder.java:436)
> at
> org.apache.commons.imaging.formats.jpeg.JpegImageParser.getBufferedImage(JpegImageParser.java:98)
> at
> org.apache.commons.imaging.Imaging.getBufferedImage(Imaging.java:1378)
> at
> org.apache.commons.imaging.Imaging.getBufferedImage(Imaging.java:1341)
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