AAC encoder: use signed coeffs when measuring IS energy
authorClaudio Freire <klaussfreire@gmail.com>
Sat, 16 Jan 2016 23:47:00 +0000 (20:47 -0300)
committerClaudio Freire <klaussfreire@gmail.com>
Sun, 17 Jan 2016 15:52:54 +0000 (12:52 -0300)
commitdf3fa48288d6e79ac4a193406d514c1dace22397
tree0d3189c92993151d28089eb53c209643b0ab64f4
parent60a76f8be8f4795e63fd7b43514b8588a691aa4d
AAC encoder: use signed coeffs when measuring IS energy

I/S energy, especially when it comes to phase cancellations,
needs to use signed coefficients as input, yet it was using
abs'd coefficients. That was a slight bug.
libavcodec/aacenc_is.c
tests/fate/aac.mak