summaryrefslogtreecommitdiffstats
path: root/src/Resampler.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/Resampler.h')
-rw-r--r--src/Resampler.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/Resampler.h b/src/Resampler.h
new file mode 100644
index 0000000..b4795ca
--- /dev/null
+++ b/src/Resampler.h
@@ -0,0 +1,72 @@
+/*
+ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
+ the Queen in Right of Canada (Communications Research Center Canada)
+ */
+/*
+ This file is part of CRC-DADMOD.
+
+ CRC-DADMOD 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 of the
+ License, or (at your option) any later version.
+
+ CRC-DADMOD 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 CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RESAMPLER_H
+#define RESAMPLER_H
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "porting.h"
+#include "ModCodec.h"
+#include "kiss_fftsimd.h"
+
+
+#include <sys/types.h>
+#include <kiss_fft.h>
+#include <tools/kiss_fftr.h>
+#include <complex>
+typedef std::complex<float> complexf;
+
+
+class Resampler : public ModCodec
+{
+public:
+ Resampler(size_t inputRate, size_t outputRate, size_t resolution = 512);
+ virtual ~Resampler();
+ Resampler(const Resampler&);
+ Resampler& operator=(const Resampler&);
+
+
+ int process(Buffer* const dataIn, Buffer* dataOut);
+ const char* name() { return "Resampler"; }
+
+protected:
+ FFT_PLAN myFftPlan1;
+ FFT_PLAN myFftPlan2;
+ size_t L;
+ size_t M;
+ size_t K;
+ size_t myFftSizeIn;
+ size_t myFftSizeOut;
+ FFT_TYPE* myFftIn;
+ FFT_TYPE* myFftOut;
+ complexf* myBufferIn;
+ complexf* myBufferOut;
+ FFT_TYPE* myFront;
+ FFT_TYPE* myBack;
+ float *myWindow;
+ float myFactor;
+};
+
+
+#endif // RESAMPLER_H