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ao_wav
2012 Jul 04
0
oggdec channel ordering bug
...lutter 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 apply them in the opposite direction. Both inversions cancel
each-other.
After more careful checking with the specs, oggenc is right and oggdec is
wrong.
Note...