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Original commit message from CVS: * configure.ac: * gst/spectrum/Makefile.am: * gst/spectrum/demo-audiotest.c: (draw_spectrum), (message_handler), (main): * gst/spectrum/demo-osssrc.c: (draw_spectrum), (message_handler): * gst/spectrum/gstspectrum.c: (gst_spectrum_base_init), (gst_spectrum_class_init), (gst_spectrum_init), (gst_spectrum_dispose), (gst_spectrum_set_property), (gst_spectrum_get_property), (gst_spectrum_start), (gst_spectrum_setup), (gst_spectrum_message_new), (gst_spectrum_transform_ip): * gst/spectrum/gstspectrum.h: Port GstSpectrum to GstAudioFilter and libgstfft, add support for int32, float and double, use floats for the message contents, average all FFTs done in one interval for better results, use a better windowing function, allow posting the phase in the message and actually do an FFT with the requested number of bands instead of interpolating. * tests/check/elements/spectrum.c: (GST_START_TEST), (spectrum_suite): Improve the units tests by checking for a 11025Hz sine wave and add unit tests for all 4 supported sample types. |
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| gstspectrum.c | ||
| gstspectrum.h | ||
| Makefile.am | ||
| README | ||
| spectrum.vcproj | ||
This is a simple, rather lame spectrum analyzer made from the fix_fft.c code, as found I think in xmms-0.9.1 (the 75-wide output sounds like xmms to me), which is actually written by other people (see fix_fft.c for credits). It worked last time I had GiST working, which was a while ago. Yes, GiST is not included here yet, it will be in 0.1.0.