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path: root/libavfilter/avf_showspectrum.c
AgeCommit message (Collapse)Author
2017-09-23lavfi: make window_func an inline functionRostislav Pehlivanov
Eliminate lavc->lavfi dependency. The function isn't big and doesn't deserve its own file. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
2017-06-13avfilter: properly set SAR for A->V filtersPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-05-22avfilter/avf_showspectrum: properly initialize ptsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-05-13avfilter: don't anonymously typedef structsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-04-23avfilter: do not use AVFrame accessorMuhammad Faiz
Reviewed-by: wm4 <nfxjfg@googlemail.com> Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
2017-01-27avfilter/avf_showspectrum: fix 2 possible crashesPaul B Mahol
Make sure no division by zero is done. Make sure there are actually samples available. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-01-22avfilter/avf_showspectrum: Fix memleak of text allocated by av_asprintf()Michael Niedermayer
Fixes CID1396261 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-01lavfi: Fix aix compilation.Carl Eugen Hoyos
Rename hz in af_apulsator.c and avf_showspectrum.c as hertz. The aix header sys/m_param.h defines hz as __hz.
2016-09-06doc/showspectrum*: Change options order to reflect numeric values.Carl Eugen Hoyos
Fixes ticket #5823.
2016-08-18avfilter/avf_showspectrum: do not use uninitialized memoryPaul B Mahol
2016-08-17avfilter/avf_showspectrum: unbreak dB legendPaul B Mahol
2016-08-16avfilter/window_func: add cauchy, parzen and poisson window functionPaul B Mahol
2016-08-16avfilter/avf_showspectrum: do not let multiple threads to write to same part ↵Paul B Mahol
of memory
2016-08-16avfilter/window_func: add dolph windowPaul B Mahol
2016-08-15avfilter/avf_showspectrum: add some multithreading supportPaul B Mahol
2016-08-07avfilter/avf_showspectrum: improve dB scale descriptionPaul B Mahol
2016-08-05avfilter/avf_showspectrum: add color rotation featurePaul B Mahol
Mostly useful with channel color scheme.
2016-02-12avfilter/avf_showspectrum: improve pts handlingPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-18avfilter/avf_showfreqs/showspectrum: rename skip_samples to hop_sizePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-12avfilter/avf_showspectrum: reduce number of operationsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-12avfilter/avf_showspectrum: add posibility to display phasePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-10avf_showspectrum: Silence "deprecated pixel format" warningTimothy Gu
2016-01-09avfilter/avf_showspectrum: set color range to framePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-08avfilter/avf_showspectrum: add cool color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-08avfilter/avf_showspectrum: add option to draw legendPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-08lavfi/avf_showspectrum: replace pow(x, 0.25) by sqrt(sqrt(x))Ganesh Ajjanagadde
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>
2016-01-05avfilter/window_func: add tukey window functionPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-05avfilter/avf_showspectrum: use av_clip/lrintfPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-05avfilter/avf_showspectrum: add yet another color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-04avfilter/avf_showspectrum: add option to set gain for calculating color ↵Paul B Mahol
intensity Inspired by Sonic Visualizer. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-04avfilter/avf_showspectrum: finally fix log scalerPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-04avfilter/avf_showspectrum: switch to FFTPaul B Mahol
Rationale: supports >16 bit audio, more than 96dB SNR. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter/avf_showspectrum: add 4th and 5th root scalerPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter/avf_showspectrum: make some helper functionsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter/avf_showspectrum: fix null pointer dereference if allocation failsPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter/avf_showspectrum: add fiery color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter: add showspectrumpic filterPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-01-02avfilter/avf_showspectrum: store win_size in private context and calculate ↵Paul B Mahol
it only once Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-31avfilter/avf_showspectrum: add window overlap supportPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-31avfilter/avf_showspectrum: add fire color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-30avfilter/avf_showspectrum: add nebulae color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-30avfilter/avf_showspectrum: add moreland color mapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-29avfilter/avf_showspectrum: add rainbow colormapPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-29avfilter/avf_showspectrum: properly calculate w factorPaul B Mahol
It is used in calculating loudness of each frequency bin. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-29avfilter/avf_showspectrum: add horizontal orientation supportPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-29avfilter/avf_showspectrum: use FF_ARRAY_ELEMS()Paul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-28avfilter/avf_showspectrum: make colors for log scale more user friendlyPaul B Mahol
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>
2015-12-28avfilter/avf_showspectrum: use ff_generate_window_funcPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-28avfilter/avf_showspectrum: add rscroll sliding modePaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-27lavfi/avf_showspectrum: replace rint by lrintGanesh Ajjanagadde
avoids float to int cast. Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 16:23:16 +0300