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| author | Muhammad Faiz <mfcc64@gmail.com> | 2015-05-01 16:44:59 +0700 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-05-03 11:53:04 +0200 |
| commit | a141948a8be73546c1e684c6a1e37a11f2237c76 (patch) | |
| tree | e2e1a6602ef8c2e770da3fee00a07bd9bb52a0b3 /libavcodec | |
| parent | 29ef54aa9086d90d9ef2b7b3badd9aa7508f4281 (diff) | |
| download | ffmpeg-a141948a8be73546c1e684c6a1e37a11f2237c76.tar.gz | |
avfilter/avf_showcqt: optimize gamma calculation
benchmark (on intel core2 duo, gcc 4.9.1)
input samples duration 00:03:39.59
command: time -p ffmpeg -f f32le -ac 2 -ar 44100 -i input.pcm \
-filter_complex showcqt=fullhd=0:gamma=$gamma \
-f rawvideo -y /dev/null
gamma previous modified
1 48.49 s 45.38 s
2 49.33 s 48.11 s
3 80.86 s 59.80 s
4 80.84 s 51.25 s
5 80.75 s 61.06 s
6 80.93 s 61.80 s
7 80.03 s 61.56 s
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
0 files changed, 0 insertions, 0 deletions