[FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()
Michael Niedermayer
michaelni at gmx.at
Thu Nov 19 14:17:51 CET 2015
From: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/aacsbr.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index d1e3a91..e014646 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -73,6 +73,7 @@ static void sbr_dequant(SpectralBandReplication *sbr, int id_aac)
{
int k, e;
int ch;
+ //TODO: Replace exp2f(0.5*x) by a LUT, the inputs are all integer and have a small range
if (id_aac == TYPE_CPE && sbr->bs_coupling) {
float alpha = sbr->data[0].bs_amp_res ? 1.0f : 0.5f;
--
1.7.9.5
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