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authorMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
committerMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
commite92f9c408634810828e75d4ad6da408e1c142195 (patch)
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added unmodified mmbtools
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diff --git a/src/GainControl.h b/src/GainControl.h
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+/*
+ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+ 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 GAIN_CONTROL_H
+#define GAIN_CONTROL_H
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+
+#include "ModCodec.h"
+
+
+#include <sys/types.h>
+#include <complex>
+#ifdef __SSE__
+# include <xmmintrin.h>
+#endif
+
+
+typedef std::complex<float> complexf;
+
+enum GainMode { GAIN_FIX, GAIN_MAX, GAIN_VAR };
+
+class GainControl : public ModCodec
+{
+public:
+ GainControl(size_t frameSize, GainMode mode = GAIN_VAR, float factor = 1.0f);
+ virtual ~GainControl();
+ GainControl(const GainControl&);
+ GainControl& operator=(const GainControl&);
+
+
+ int process(Buffer* const dataIn, Buffer* dataOut);
+ const char* name() { return "GainControl"; }
+
+protected:
+ size_t d_frameSize;
+ float d_factor;
+#ifdef __SSE__
+ __m128 (*computeGain)(const __m128* in, size_t sizeIn);
+ __m128 static computeGainFix(const __m128* in, size_t sizeIn);
+ __m128 static computeGainMax(const __m128* in, size_t sizeIn);
+ __m128 static computeGainVar(const __m128* in, size_t sizeIn);
+#else // !__SSE__
+ float (*computeGain)(const complexf* in, size_t sizeIn);
+ float static computeGainFix(const complexf* in, size_t sizeIn);
+ float static computeGainMax(const complexf* in, size_t sizeIn);
+ float static computeGainVar(const complexf* in, size_t sizeIn);
+#endif // __SSE__
+};
+
+
+#endif // GAIN_CONTROL_H