[FFmpeg-cvslog] resample: drop useless abs()
Anton Khirnov
git at videolan.org
Fri Apr 11 20:24:43 CEST 2014
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Tue Mar 4 12:27:17 2014 +0100| [eed752d61da332fb13e9893a175a90fed7b1d7d3] | committer: Anton Khirnov
resample: drop useless abs()
negative sample_index is handled in the block above.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eed752d61da332fb13e9893a175a90fed7b1d7d3
---
libavresample/resample_template.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavresample/resample_template.c b/libavresample/resample_template.c
index d9fb2d1..a7cb6ae 100644
--- a/libavresample/resample_template.c
+++ b/libavresample/resample_template.c
@@ -80,8 +80,8 @@ static void SET_TYPE(resample_one)(ResampleContext *c,
} else if (c->linear) {
FELEM2 v2 = 0;
for (i = 0; i < c->filter_length; i++) {
- val += src[abs(sample_index + i)] * (FELEM2)filter[i];
- v2 += src[abs(sample_index + i)] * (FELEM2)filter[i + c->filter_length];
+ val += src[sample_index + i] * (FELEM2)filter[i];
+ v2 += src[sample_index + i] * (FELEM2)filter[i + c->filter_length];
}
val += (v2 - val) * (FELEML)frac / c->src_incr;
} else {
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