summaryrefslogtreecommitdiff
path: root/gr-fft/lib/fft_vcc_fftw.h
diff options
context:
space:
mode:
Diffstat (limited to 'gr-fft/lib/fft_vcc_fftw.h')
-rw-r--r--gr-fft/lib/fft_vcc_fftw.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-fft/lib/fft_vcc_fftw.h b/gr-fft/lib/fft_vcc_fftw.h
new file mode 100644
index 000000000..ea15dd07b
--- /dev/null
+++ b/gr-fft/lib/fft_vcc_fftw.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2007,2008,2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H
+#define INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H
+
+#include <fft/fft_vcc.h>
+#include <fft/fft.h>
+
+namespace gr {
+ namespace fft {
+
+ class FFT_API fft_vcc_fftw : public fft_vcc
+ {
+ private:
+ fft_complex *d_fft;
+ unsigned int d_fft_size;
+ std::vector<float> d_window;
+ bool d_forward;
+ bool d_shift;
+
+ public:
+ fft_vcc_fftw(int fft_size, bool forward,
+ const std::vector<float> &window,
+ bool shift, int nthreads=1);
+
+ ~fft_vcc_fftw();
+
+ void set_nthreads(int n);
+ int nthreads() const;
+ bool set_window(const std::vector<float> &window);
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace fft */
+} /* namespace gr */
+
+#endif /* INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H */