#3455: aresample=matrix_encoding=dplii doesn't downmix backleft and center
correctly
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Reporter: Peter | Owner:
Type: defect | Status: new
Priority: normal | Component: swresample
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Peter):
I can fix this problem by inverting the back-left channel of my source
files before letting ffmpeg do its thing - it seems like ffmpeg is
subtracting the back left from the center channel rather than adding it
which means it is inverting the back-left when it shouldn't or not
inverting it when it should.
I'll do some tinkering over the weekend and see if I can't figure out some
demonstration to attach.
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Ticket URL: <https://trac.ffmpeg.org/ticket/3455#comment:3>
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