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fpExif: Fix crash in images of YUNEEC CGO3 camera due to empty IFD entries.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7964 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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wp_xxyyzz
2021-01-17 11:10:46 +00:00
parent 478f009290
commit 0d703fb453
1 changed files with 7 additions and 0 deletions
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7
components/fpexif/fpeexifreadwrite.pas
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@ -331,6 +331,13 @@ begin
exit; exit;
end; end;
if (ifdRec.TagID = 0) and (ifdRec.DataType = 0) and (ifdRec.DataCount = 0) and (ifdRec.DataValue = 0) then
begin
// This is an empty IFD entry as found in images of the YUNEEC CGO3 camera
AStream.Position := AStream.Position + n;
Continue;
end;
ifdRec.TagID := FixEndian16(ifdRec.TagID); ifdRec.TagID := FixEndian16(ifdRec.TagID);
ifdRec.DataType := FixEndian16(ifdRec.DataType); ifdRec.DataType := FixEndian16(ifdRec.DataType);
if not (ifdRec.DataType in [1..ord(High(TTagType))]) then begin if not (ifdRec.DataType in [1..ord(High(TTagType))]) then begin