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hub / github.com/FFmpeg/FFmpeg / fft4

Function fft4

libavcodec/fft.c:292–304  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

290}
291
292static void fft4(FFTComplex *z)
293{
294 FFTSample t1, t2, t3, t4, t5, t6, t7, t8;
295
296 BF(t3, t1, z[0].re, z[1].re);
297 BF(t8, t6, z[3].re, z[2].re);
298 BF(z[2].re, z[0].re, t1, t6);
299 BF(t4, t2, z[0].im, z[1].im);
300 BF(t7, t5, z[2].im, z[3].im);
301 BF(z[3].im, z[1].im, t4, t8);
302 BF(z[3].re, z[1].re, t3, t7);
303 BF(z[2].im, z[0].im, t2, t5);
304}
305
306static void fft8(FFTComplex *z)
307{

Callers 2

fft8Function · 0.85
fft16Function · 0.85

Calls

no outgoing calls

Tested by

no test coverage detected