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91 Commits

Author SHA1 Message Date
Paul B Mahol f85cad799b avfilter: properly set SAR for A->V filters 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-06-13 15:10:58 +02:00
Paul B Mahol 49d0678181 avfilter/avf_showspectrum: properly initialize pts 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-05-22 11:06:48 +02:00
Paul B Mahol ed93ed5ee3 avfilter: don't anonymously typedef structs 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-05-13 11:39:28 +02:00
Muhammad Faiz 6af050d7d0 avfilter: do not use AVFrame accessor 
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
 2017-04-23 14:40:30 +07:00
Paul B Mahol 836c8750b3 avfilter/avf_showspectrum: fix 2 possible crashes 
Make sure no division by zero is done.
Make sure there are actually samples available.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-27 13:37:00 +01:00
Michael Niedermayer 61164112a5 avfilter/avf_showspectrum: Fix memleak of text allocated by av_asprintf() 
Fixes CID1396261

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-01-21 23:07:02 +01:00
Carl Eugen Hoyos d44af9a38e lavfi: Fix aix compilation. 
Rename hz in af_apulsator.c and avf_showspectrum.c as hertz.

The aix header sys/m_param.h defines hz as __hz.
 2016-12-01 09:53:38 +01:00
Carl Eugen Hoyos 70f4b453cb doc/showspectrum*: Change options order to reflect numeric values. 
Fixes ticket #5823.
 2016-09-06 11:52:10 +02:00
Paul B Mahol b3c6e89d48 avfilter/avf_showspectrum: do not use uninitialized memory 2016-08-18 18:40:00 +02:00
Paul B Mahol 345c252e9c avfilter/avf_showspectrum: unbreak dB legend 2016-08-17 22:02:29 +02:00
Paul B Mahol b438c2025c avfilter/window_func: add cauchy, parzen and poisson window function 2016-08-16 18:09:50 +02:00
Paul B Mahol 1457786d69 avfilter/avf_showspectrum: do not let multiple threads to write to same part of memory 2016-08-16 15:56:12 +02:00
Paul B Mahol ea58dd2beb avfilter/window_func: add dolph window 2016-08-16 15:56:12 +02:00
Paul B Mahol ce5ba77079 avfilter/avf_showspectrum: add some multithreading support 2016-08-15 13:17:06 +02:00
Paul B Mahol 571f33de0a avfilter/avf_showspectrum: improve dB scale description 2016-08-07 20:21:52 +02:00
Paul B Mahol 04a8bbca92 avfilter/avf_showspectrum: add color rotation feature 
Mostly useful with channel color scheme.
 2016-08-05 12:18:56 +02:00
Paul B Mahol 13ea7c9780 avfilter/avf_showspectrum: improve pts handling 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-02-12 17:14:30 +01:00
Paul B Mahol 4e17efd852 avfilter/avf_showfreqs/showspectrum: rename skip_samples to hop_size 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-18 19:38:14 +01:00
Paul B Mahol 57df71eaf7 avfilter/avf_showspectrum: reduce number of operations 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-12 21:21:50 +01:00
Paul B Mahol 2009d922db avfilter/avf_showspectrum: add posibility to display phase 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-12 21:21:50 +01:00
Timothy Gu 53d6bf6627 avf_showspectrum: Silence "deprecated pixel format" warning 2016-01-09 15:32:31 -08:00
Paul B Mahol cbad37e5bf avfilter/avf_showspectrum: set color range to frame 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-09 20:09:52 +01:00
Paul B Mahol a69cf50dca avfilter/avf_showspectrum: add cool color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-08 18:01:11 +01:00
Paul B Mahol 08aec7c1bd avfilter/avf_showspectrum: add option to draw legend 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-08 11:51:46 +01:00
Ganesh Ajjanagadde 2fbdc4faf1 lavfi/avf_showspectrum: replace pow(x, 0.25) by sqrt(sqrt(x)) 
This is faster; precision assured as result is a float.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
 2016-01-07 16:57:20 -08:00
Paul B Mahol c13216ac08 avfilter/window_func: add tukey window function 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-05 11:37:11 +01:00
Paul B Mahol c31fa1d7b4 avfilter/avf_showspectrum: use av_clip/lrintf 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-05 10:07:59 +01:00
Paul B Mahol 0d3b31ae89 avfilter/avf_showspectrum: add yet another color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-05 10:07:58 +01:00
Paul B Mahol 6defda1cdb avfilter/avf_showspectrum: add option to set gain for calculating color intensity 
Inspired by Sonic Visualizer.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-04 14:06:51 +01:00
Paul B Mahol 0a451082c7 avfilter/avf_showspectrum: finally fix log scaler 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-03 23:09:43 +01:00
Paul B Mahol 14caf9667e avfilter/avf_showspectrum: switch to FFT 
Rationale: supports >16 bit audio, more than 96dB SNR.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-03 23:09:43 +01:00
Paul B Mahol af018d802d avfilter/avf_showspectrum: add 4th and 5th root scaler 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol 2b172cb625 avfilter/avf_showspectrum: make some helper functions 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol d35c029cbf avfilter/avf_showspectrum: fix null pointer dereference if allocation fails 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol 9b06e7befa avfilter/avf_showspectrum: add fiery color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol 72280d1c6c avfilter: add showspectrumpic filter 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol 7f7a9dd782 avfilter/avf_showspectrum: store win_size in private context and calculate it only once 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-01-02 18:53:09 +01:00
Paul B Mahol 15e1fd9883 avfilter/avf_showspectrum: add window overlap support 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-31 12:29:58 +01:00
Paul B Mahol b98c58573b avfilter/avf_showspectrum: add fire color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-31 11:44:18 +01:00
Paul B Mahol 0f387f2b62 avfilter/avf_showspectrum: add nebulae color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-30 21:28:52 +01:00
Paul B Mahol 2893dbfe2c avfilter/avf_showspectrum: add moreland color map 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-30 18:53:24 +01:00
Paul B Mahol b0e23f2a37 avfilter/avf_showspectrum: add rainbow colormap 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-29 19:53:38 +01:00
Paul B Mahol efa666e0da avfilter/avf_showspectrum: properly calculate w factor 
It is used in calculating loudness of each frequency bin.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-29 12:11:33 +01:00
Paul B Mahol e30e5c83ae avfilter/avf_showspectrum: add horizontal orientation support 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-29 12:11:33 +01:00
Paul B Mahol a7bf5f4117 avfilter/avf_showspectrum: use FF_ARRAY_ELEMS() 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-28 23:04:40 +01:00
Paul B Mahol 4020787b5b avfilter/avf_showspectrum: make colors for log scale more user friendly 
Previosly output was almost useless because background noise, due to
windowing function picked and which is not actually present in audio,
had too much brightness.
Now output of sine wave matches more with SoX.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-28 20:38:06 +01:00
Paul B Mahol f88546b426 avfilter/avf_showspectrum: use ff_generate_window_func 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-28 18:58:46 +01:00
Paul B Mahol 67771ac4b8 avfilter/avf_showspectrum: add rscroll sliding mode 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2015-12-28 18:16:10 +01:00
Ganesh Ajjanagadde 3e2e303e4b lavfi/avf_showspectrum: replace rint by lrint 
avoids float to int cast.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
 2015-12-26 20:29:22 -08:00
Ganesh Ajjanagadde ec66bcc0e7 avfilter/avf_showspectrum: use log10 instead of log()/... 
This is likely more precise and conveys the intent better.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
 2015-10-29 18:55:10 -04:00