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gstreamer/subprojects/gst-plugins-base/gst-libs/gst/fft/kiss_version

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fft: Update our kiss fft version This fixes thread-safety issues and various other minor issues. Our previous version was about 13 years old. Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/issues/715
2019-12-27 09:34:26 +00:00
Based on Kiss FFT version 1efe72041e00868c3c71eaf569343ee132a4fbb9
https://github.com/mborgerding/kissfft
Add libgstfft, a FFT library based on Kiss FFT which is Original commit message from CVS: Reviewed by: Stefan Kost <ensonic@users.sf.net> * configure.ac: * gst-libs/gst/Makefile.am: * gst-libs/gst/fft/Makefile.am: * gst-libs/gst/fft/_kiss_fft_guts_f32.h: * gst-libs/gst/fft/_kiss_fft_guts_f64.h: * gst-libs/gst/fft/_kiss_fft_guts_s16.h: * gst-libs/gst/fft/_kiss_fft_guts_s32.h: * gst-libs/gst/fft/gstfft.c: (gst_fft_next_fast_length): * gst-libs/gst/fft/gstfft.h: * gst-libs/gst/fft/gstfftf32.c: (gst_fft_f32_new), (gst_fft_f32_fft), (gst_fft_f32_inverse_fft), (gst_fft_f32_free), (gst_fft_f32_window), (gst_fft_f32_magnitude), (gst_fft_f32_phase): * gst-libs/gst/fft/gstfftf32.h: * gst-libs/gst/fft/gstfftf64.c: (gst_fft_f64_new), (gst_fft_f64_fft), (gst_fft_f64_inverse_fft), (gst_fft_f64_free), (gst_fft_f64_window), (gst_fft_f64_magnitude), (gst_fft_f64_phase): * gst-libs/gst/fft/gstfftf64.h: * gst-libs/gst/fft/gstffts16.c: (gst_fft_s16_new), (gst_fft_s16_fft), (gst_fft_s16_inverse_fft), (gst_fft_s16_free), (gst_fft_s16_window), (gst_fft_s16_magnitude), (gst_fft_s16_phase): * gst-libs/gst/fft/gstffts16.h: * gst-libs/gst/fft/gstffts32.c: (gst_fft_s32_new), (gst_fft_s32_fft), (gst_fft_s32_inverse_fft), (gst_fft_s32_free), (gst_fft_s32_window), (gst_fft_s32_magnitude), (gst_fft_s32_phase): * gst-libs/gst/fft/gstffts32.h: * gst-libs/gst/fft/kiss_fft_f32.c: (kf_bfly2), (kf_bfly4), (kf_bfly3), (kf_bfly5), (kf_bfly_generic), (kf_work), (kf_factor), (kiss_fft_f32_alloc), (kiss_fft_f32_stride), (kiss_fft_f32), (kiss_fft_f32_cleanup), (kiss_fft_f32_next_fast_size): * gst-libs/gst/fft/kiss_fft_f32.h: * gst-libs/gst/fft/kiss_fft_f64.c: (kf_bfly2), (kf_bfly4), (kf_bfly3), (kf_bfly5), (kf_bfly_generic), (kf_work), (kf_factor), (kiss_fft_f64_alloc), (kiss_fft_f64_stride), (kiss_fft_f64), (kiss_fft_f64_cleanup), (kiss_fft_f64_next_fast_size): * gst-libs/gst/fft/kiss_fft_f64.h: * gst-libs/gst/fft/kiss_fft_s16.c: (kf_bfly2), (kf_bfly4), (kf_bfly3), (kf_bfly5), (kf_bfly_generic), (kf_work), (kf_factor), (kiss_fft_s16_alloc), (kiss_fft_s16_stride), (kiss_fft_s16), (kiss_fft_s16_cleanup), (kiss_fft_s16_next_fast_size): * gst-libs/gst/fft/kiss_fft_s16.h: * gst-libs/gst/fft/kiss_fft_s32.c: (kf_bfly2), (kf_bfly4), (kf_bfly3), (kf_bfly5), (kf_bfly_generic), (kf_work), (kf_factor), (kiss_fft_s32_alloc), (kiss_fft_s32_stride), (kiss_fft_s32), (kiss_fft_s32_cleanup), (kiss_fft_s32_next_fast_size): * gst-libs/gst/fft/kiss_fft_s32.h: * gst-libs/gst/fft/kiss_fftr_f32.c: (kiss_fftr_f32_alloc), (kiss_fftr_f32), (kiss_fftri_f32): * gst-libs/gst/fft/kiss_fftr_f32.h: * gst-libs/gst/fft/kiss_fftr_f64.c: (kiss_fftr_f64_alloc), (kiss_fftr_f64), (kiss_fftri_f64): * gst-libs/gst/fft/kiss_fftr_f64.h: * gst-libs/gst/fft/kiss_fftr_s16.c: (kiss_fftr_s16_alloc), (kiss_fftr_s16), (kiss_fftri_s16): * gst-libs/gst/fft/kiss_fftr_s16.h: * gst-libs/gst/fft/kiss_fftr_s32.c: (kiss_fftr_s32_alloc), (kiss_fftr_s32), (kiss_fftri_s32): * gst-libs/gst/fft/kiss_fftr_s32.h: * gst-libs/gst/fft/kiss_version: * pkgconfig/gstreamer-plugins-base-uninstalled.pc.in: * pkgconfig/gstreamer-plugins-base.pc.in: Add libgstfft, a FFT library based on Kiss FFT which is BSD licensed. Supported sample formats are int16, int32, float and double. For those formats a real FFT and IFFT can be done, different windowing functions can be applied and functions for extracting the magnitude and phase exist. Fixes #468619. * docs/libs/Makefile.am: * docs/libs/gst-plugins-base-libs-docs.sgml: * docs/libs/gst-plugins-base-libs-sections.txt: Integrate libgstfft into the docs. * tests/check/Makefile.am: * tests/check/libs/fft.c: (GST_START_TEST), (fft_suite), (main): Add unit tests for libgstfft, currently only testing the FFT. Unit tests for IFFT will follow soon.
2007-09-06 07:00:36 +00:00
Only changes are limitation to one data type for each version in
kiss_fft.h and _kiss_fft_guts.h.
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