Commit Graph

14 Commits

Author SHA1 Message Date
Michael Niedermayer d3c9f1fdbe avfilter/avf_showcqt: Fix gamma comparisons
Fixes CID1297587, CID1297586, 1297585

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-05-12 20:31:21 +02:00
Muhammad Faiz a141948a8b 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>
2015-05-03 11:53:04 +02:00
Nicolas George 38155865df lavfi/avf_showcqt: fix error code.
Signed-off-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-16 12:38:28 +02:00
Michael Niedermayer a30fd828ab avfilter/avf_showcqt: use av_malloc_array()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-01-22 13:56:30 +01:00
Muhammad Faiz eba5cb2028 avfilter/showcqt: add gamma2 option
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-01-18 05:15:15 +01:00
Muhammad Faiz c82a288f87 avfilter/showcqt: add fontcolor option 2014-08-23 10:01:22 +02:00
Muhammad Faiz 94494dab91 avfilter/showcqt: add and extend tlength and volume options
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>
2014-08-08 18:59:02 +02:00
Muhammad Faiz 46563af79c avfilter/showcqt: adding freetype support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-30 21:53:14 +02:00
Michael Niedermayer 1df441eaa8 vfilter/avf_showcqt: fix 'mixed declarations and code'
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-13 20:32:54 +02:00
Muhammad Faiz 0a64fb7fb0 avfilter/avf_showcqt: add option for lower resolution
Resolution can be 1920x1080 or 960x540.
2014-06-12 09:16:08 +00:00
Clément Bœsch 0180c46928 avfilter/showcqt: move qsort_sparsecoeff closer to where it belongs 2014-06-11 21:33:09 +02:00
Clément Bœsch 1786cd850f avfilter/showcqt: fix misc style issues 2014-06-11 21:33:09 +02:00
Michael Niedermayer 867c02acd2 avfilter/avf_showcqt: avoid using fminf()
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>
2014-06-06 17:20:05 +02:00
Muhammad Faiz 40e938a7ed avfilter: new multimedia filter avf_showcqt.c
this filter is the same as showspectrum but with constant Q transform,
so frequency is spaced logarithmically
2014-06-05 14:04:01 +02:00