libavfilter: improve atempo audio quality
authorPavel Koshevoy <pkoshevoy@gmail.com>
Sun, 17 Jun 2012 22:45:26 +0000 (16:45 -0600)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 19 Jun 2012 15:29:27 +0000 (17:29 +0200)
commit5fa82264201c3bcd09615c5983496983b4012566
tree3aad88546da2dadb1a825b6e1e44258f53ad9679
parent08613d50d6e3088299fae6d2095fecb5e509aa9e
libavfilter: improve atempo audio quality

Reduce audio fragment alignment jitter by penalizing alignment
correction offsets that deviate too much from the target offset.
This is accomplished by multiplying the cross correlation search
window with a quadratic function.

Signed-off-by: Pavel Koshevoy <pavel@homestead.aragog.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavfilter/af_atempo.c