Muhammad Faiz
3ddd10290a
avfilter/af_firequalizer: fix minval on cepstrum calculation
The impulse response is scaled with 2/rdft_len.
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
7 years ago
Muhammad Faiz
e0e991f8a1
avfilter/af_firequalizer: reindent after previous commit
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
7 years ago
Muhammad Faiz
ae1ce0db91
avfilter/af_firequalizer: add min_phase option
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
7 years ago
Paul B Mahol
ed93ed5ee3
avfilter: don't anonymously typedef structs
Signed-off-by: Paul B Mahol <onemda@gmail.com>
8 years ago
Muhammad Faiz
0bab78f7e7
avfilter/af_firequalizer: add av_restrict on convolution func
slightly improved speed
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
b4e9252ae3
avfilter/af_firequalizer: add fft2 option
2-channels convolution using complex fft
improves speed significantly
not sure if it should be enabled by default
so disable it by default
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
258c49d614
avfilter/firequalizer: use zero phase kernel
this makes real-valued kernel
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
23b6f880d6
avfilter/firequalizer: add cubic_interpolate function on gain
smoother version of gain_interpolate
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
d3be186ed1
avfilter/firequalizer: add dumpfile and dumpscale option
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
92de89d14a
avfilter/firequalizer: optimize gain/gain_entry command
do not rebuild when gain/gain_entry command are
equal with old gain/gain_entry
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
1a9513bfbc
avfilter/firequalizer: add scale option
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
01ab60201b
avfilter/firequalizer: add tukey window
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
7c5fca15bb
avfilter/firequalizer: change WFUNC_MIN/MAX to NB_WFUNC
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
47d2be3056
avfilter/firequalizer: fix blackman window calculation
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
8 years ago
Muhammad Faiz
77d4dfbec6
avfilter/af_firequalizer: add zero_phase option
simply by substracting pts to compensate delay
also handle AV_NOPTS_VALUE
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
9 years ago
Muhammad Faiz
d2f73c3daf
avfilter/avf_showcqt: add .
9 years ago
Muhammad Faiz
bfc61b0fcc
avfilter: add firequalizer filter
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
9 years ago