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Fix bypass pterm termall and lossless decomposition issue (#891, #892) #949

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rouault
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@rouault rouault commented Jun 12, 2017

Although techically independant, for conveniency (new test cases added), this is on top of the earlier PR #947 for BYPASS and TERMALL fixes

…#674)

There were a number of defects regarding when and how the termination of
passes had to done and the computation of their rate.
There are situations where, given a tile size, at a resolution level,
there are sub-bands with x0==x1 or y0==y1, that consequently don't have any
valid codeblocks, but the other sub-bands may be non-empty.
Given that we recycle the memory from one tile to another one, those
ghost codeblocks might be non-0 and thus candidate for packet inclusion.
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rouault commented Jun 12, 2017

Same remark as for #947 : the tests pass on the branch pushed on https://github.com/uclouvain/openjpeg

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rouault commented Jun 13, 2017

Has been merged into master

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