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Fix failure to pack Nyquist bins correctly in vDSP FFT - though these functions are not actually used by Rubber Band, they're just here for symmetry

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Chris Cannam
2021-07-05 19:28:05 +01:00
parent f1acaf85d7
commit ad27ad1b24
1 changed files with 2 additions and 0 deletions
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2
src/dsp/FFT.cpp
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@@ -701,6 +701,7 @@ public:
if (!m_dspec) initDouble(); if (!m_dspec) initDouble();
double *d[2] = { m_dpacked->realp, m_dpacked->imagp }; double *d[2] = { m_dpacked->realp, m_dpacked->imagp };
v_deinterleave(d, complexIn, 2, m_size/2 + 1); v_deinterleave(d, complexIn, 2, m_size/2 + 1);
dnyq();
vDSP_fft_zriptD(m_dspec, m_dpacked, 1, m_dbuf, m_order, FFT_INVERSE); vDSP_fft_zriptD(m_dspec, m_dpacked, 1, m_dbuf, m_order, FFT_INVERSE);
unpackReal(realOut); unpackReal(realOut);
} }
@@ -738,6 +739,7 @@ public:
if (!m_fspec) initFloat(); if (!m_fspec) initFloat();
float *f[2] = { m_fpacked->realp, m_fpacked->imagp }; float *f[2] = { m_fpacked->realp, m_fpacked->imagp };
v_deinterleave(f, complexIn, 2, m_size/2 + 1); v_deinterleave(f, complexIn, 2, m_size/2 + 1);
fnyq();
vDSP_fft_zript(m_fspec, m_fpacked, 1, m_fbuf, m_order, FFT_INVERSE); vDSP_fft_zript(m_fspec, m_fpacked, 1, m_fbuf, m_order, FFT_INVERSE);
unpackReal(realOut); unpackReal(realOut);
} }