https://bugs.freedesktop.org/show_bug.cgi?id=54740
Bug #: 54740
Summary: Particular .pptx after FILESAVE from LibO can not be
opened with Powerpoint
Classification: Unclassified
Product: LibreOffice
Version: 3.6.1.2 release
Platform: Other
OS/Version: All
Status: UNCONFIRMED
Severity: major
Priority: medium
Component: filters and storage
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Rainer Bielefeld <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[pptx] Unable to open |Particular .pptx after
|document in MS Office after |FILESAVE from LibO can not
|saving in LibO |be opened with Powerpoint
CC| |LibreOffice@bielefeldundbus
| |s.de
Bug, which occured in c't a german newspaper magazine.
Open Original-PPT-2010.pptx with LibO and save it --> Big size reduction.
Open this file (from step above) in MS Office (2010)
Eroor message 1.png occured. "Repair" "Abort". Click repair
Eroor message 2.png occured. "Download" "Open" "Acort" Click Open
Save this file (You will get kopie-saved.pptx)
Open the original file and save it using MS Office. Nothing changed
(original-saved.pptx)
OS: Windows 7 x64
LibreOffice 3.6.1.2
Testcase: https://www.box.com/s/68o7qxc2dzh5pevran8r
--- Comment #1 from Rainer Bielefeld <[email protected]>
2012-09-10 17:54:53 UTC ---
Hm, I am not sure whether I understand what problem is reported here.
I can open "Original-PPT-2010.pptx" with MS PPT Viewer.
I can confirm that "Original-PPT-2010.pptx" saved from LibO as
"Original-PPT-2010_savedfromlibo361.pptx" can not be opened by MS PPT Viewer
(error message different from the ones in test kit), so the suspect that there
might be a LibO bug is at least plausible.
LibO and AOOo 3.4.1 open "Original-PPT-2010_savedfromlibo361.pptx" without
problems.
Comparing "Original-PPT-2010_savedfromlibo361.pptx" and
"Original-PPT-2010.pptx" the main difference seems to be that the original
containsa .png without any compression, while the png in
"Original-PPT-2010_savedfromlibo361.pptx" is compressed. No idea whether that
difference is part of the problem.
Not a special 3.6.1 problem, I get the same errormessage for a .pptx saved from
LibO 3.4.5. Saved from LibO 3.3.3 can be opened by PPT Viewer, but that's
empty.
I think someone with pptx knowledge will have to check this.
@Florian:
Is the test from c't available? I believe they will contribute a copy for us
for internal use if you ask.
--- Comment #2 from Radek Doulik <[email protected]> 2012-09-12 09:45:01 UTC ---
It might be problem I fixed recently in master. I saved the
Original-PPT-2010.pptx from master LO and it is opening OK in MSO. Attaching
the saved document.
I will try to backport the pptx export fixes to 3-6 branch.
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