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from_dev
2012 Jul 04
0
oggdec channel ordering bug
Hi.
I just noticed that oggdec channel reordering for WAV is bogus.
With irrelevant clutter removed, oggenc has the following code:
permute = {0,2,1,4,5,3} // oggenc/audio.c:401
for (j)
to_vorbis[j] = from_wav[permute[j]] // oggenc/audio.c:619
While oggdec has the following code:
permute = {0,2,1,5,3,4} // oggdec/oggdec.c:229
for (j)
to_wav[permute[j]] = from_vorbis[j] // oggdec/oggdec.c:240
You can notice the permutation vectors are reciprocal to each other and that
the code ap...