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spectrascope: fabs->sqrt to calculate the magnitude

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Stefan Sauer 2012-07-19 16:10:40 +02:00
parent 0cf07e04be
commit 62e5afb95e
1 changed files with 1 additions and 1 deletions
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gst/audiovisualizers/gstspectrascope.c
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@ -209,7 +209,7 @@ gst_spectra_scope_render (GstAudioVisualizer * bscope, GstBuffer * audio,
* or even better do a log mapping? */ * or even better do a log mapping? */
fr = (gfloat) fdata[1 + x].r / 512.0; fr = (gfloat) fdata[1 + x].r / 512.0;
fi = (gfloat) fdata[1 + x].i / 512.0; fi = (gfloat) fdata[1 + x].i / 512.0;
y = (guint) (h * fabs (fr * fr + fi * fi)); y = (guint) (h * sqrt (fr * fr + fi * fi));
if (y > h) if (y > h)
y = h; y = h;
y = h - y; y = h - y;