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Originally Posted by Yoshi
Sorry I can't resist: maybe we should have asked Kurt Gödel while he was still around. It might be lossless but we will never be able to prove it since the source is unknown and will be forever. 
I start to wonder how lossless my rips I thought they were, actually are.
Gives the same message for "Jurassic World" as well. Since I'm paranoid now, I let decode the same DTS-HD MA track twice to FLAC in one run (dcaDec & Arcsoft) and compare if the FLAC matches.
The FLACs match despite the XLL-warning. Really lossless? Well ... |
Sorry if I'm beating a dead horse here...
But I'd want to be 101% doubt free. Is DTS-HD MA decoding (for all channels and bit depths) *really* lossless?
I've seen the tired "libDcaDec reported the warning "XLL output not lossless"." since the start of times for every single DTS-HD MA track I converted. Looking for old posts it all points to it indeed being lossless.
And another thing. On the libDcaDec page it says
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This program is deprecated!
This decoder has been fully integrated into FFmpeg master branch and further development will continue there. Using FFmpeg for DTS decoding is now recommended.
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Why is eac3to still using it instead ffmpeg? On the other hand if libDcaDec is indeed bit perfect it's kinda a moot point.