mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-23 18:21:04 +00:00
Code Issues 1 Projects Releases Wiki Activity

gst/replaygain/rganalysis.c: Avoid slowdown from denormals when processing near-silence input data.

Browse source 
Original commit message from CVS:
Patch by: René Stadler <mail at renestadler dot de>
* gst/replaygain/rganalysis.c: (yule_filter):
Avoid slowdown from denormals when processing near-silence input data.
Spotted by Gabriel Bouvigne. Fixes #494499.
This commit is contained in:
René Stadler 2007-11-12 21:07:31 +00:00 committed by Sebastian Dröge
parent 7522192fab
commit 85ea09f143
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gst/replaygain/rganalysis.c
View file

@ -246,7 +246,10 @@ static inline void
yule_filter (const gfloat * input, gfloat * output,
const gfloat * a, const gfloat * b)
{
output[0] = input[0] * b[0]
/* 1e-10 is added below to avoid running into denormals when operating on
* near silence. */
output[0] = 1e-10 + input[0] * b[0]
+ input[-1] * b[1] - output[-1] * a[1]
+ input[-2] * b[2] - output[-2] * a[2]
+ input[-3] * b[3] - output[-3] * a[3]