aboutsummaryrefslogtreecommitdiffstats
path: root/libavresample/x86/audio_convert.asm
diff options
context:
space:
mode:
authorMartin Storsjö <martin@martin.st>2014-06-06 12:03:09 +0300
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2014-06-09 23:54:20 +0200
commit3002e5976d43947ce2bd760c7135a09b85ab5ab5 (patch)
tree0c39df599aa4de6d95a05f8f6f3b9c41b51cf9f1 /libavresample/x86/audio_convert.asm
parent1e8ff7d21dc4906281ecd54d44b8b56a398d6c46 (diff)
downloadffmpeg-3002e5976d43947ce2bd760c7135a09b85ab5ab5.tar.gz
adpcm: Write the proper predictor in trellis mode in IMA QT
The actual predictor value, set by the trellis code, never was written back into the variable that was written into the block header. This was accidentally removed in b304244b. This significantly improves the audio quality of the trellis case, which was plain broken since b304244b. Encoding IMA QT with trellis still actually gives a slightly worse quality than without trellis, since the trellis encoder doesn't use the exact same way of rounding as in adpcm_ima_qt_compress_sample and adpcm_ima_qt_expand_nibble. Fixes part of Ticket3701 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit fa8f060b75bf9074792a0f9ff4ed002652ef62b8) Conflicts: tests/ref/acodec/adpcm-ima_qt-trellis
Diffstat (limited to 'libavresample/x86/audio_convert.asm')
0 files changed, 0 insertions, 0 deletions