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path: root/libavfilter/avf_showcqt.c
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* avfilter/avf_showcqt: Fix gamma comparisonsMichael Niedermayer2015-05-12
| | | | | | Fixes CID1297587, CID1297586, 1297585 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/avf_showcqt: optimize gamma calculationMuhammad Faiz2015-05-03
| | | | | | | | | | | | | | | | | | 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>
* lavfi/avf_showcqt: fix error code.Nicolas George2015-04-16
| | | | | Signed-off-by: Nicolas George <george@nsup.org> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/avf_showcqt: use av_malloc_array()Michael Niedermayer2015-01-22
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/showcqt: add gamma2 optionMuhammad Faiz2015-01-18
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/showcqt: add fontcolor optionMuhammad Faiz2014-08-23
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* avfilter/showcqt: add and extend tlength and volume optionsMuhammad Faiz2014-08-08
| | | | | | | | | Add a tlength option with frequency and timeclamp variable Add to the volume option support for frequency and timeclamp variable, a_weighting, b_weighting and c_weighting functions Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/showcqt: adding freetype supportMuhammad Faiz2014-06-30
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* vfilter/avf_showcqt: fix 'mixed declarations and code'Michael Niedermayer2014-06-13
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter/avf_showcqt: add option for lower resolutionMuhammad Faiz2014-06-12
| | | | Resolution can be 1920x1080 or 960x540.
* avfilter/showcqt: move qsort_sparsecoeff closer to where it belongsClément Bœsch2014-06-11
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* avfilter/showcqt: fix misc style issuesClément Bœsch2014-06-11
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* avfilter/avf_showcqt: avoid using fminf()Michael Niedermayer2014-06-06
| | | | | | | The loop with fminf() changes from 18093856 to 17403218 dezicycles (gcc 4.6.3, sandybridge i7) Reviewed-by: Clément Bœsch <u@pkh.me> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avfilter: new multimedia filter avf_showcqt.cMuhammad Faiz2014-06-05
this filter is the same as showspectrum but with constant Q transform, so frequency is spaced logarithmically
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