Renaming of files in preparation for code style tools.

Signed-off-by: Michele Calgaro <[email protected]>

1 files changed, 0 insertions, 196 deletions

diff --git a/arts/modules/synth/synth_pitch_shift_impl.cc b/arts/modules/synth/synth_pitch_shift_impl.cc
deleted file mode 100644
index 37217c8a..00000000
--- a/arts/modules/synth/synth_pitch_shift_impl.cc
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
-
-    Copyright (C) 2000 Jeff Tranter
-                       [email protected]
-
-              (C) 1999 Stefan Westerfeld
-                       [email protected]
-
-    This program 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 2 of the License, or
-    (at your option) any later version.
-
-    This program 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 this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-    */
-
-#include <math.h>
-#include "artsmodulessynth.h"
-#include "stdsynthmodule.h"
-
-using namespace Arts;
-
-class Synth_PITCH_SHIFT_impl : virtual public Synth_PITCH_SHIFT_skel,
-							   virtual public StdSynthModule
-{
-protected:
-	float _speed, _frequency;
-
-	enum { MAXDELAY = 44100 };
-	float *dbuffer;
-	float lfopos, b1pos, b2pos, b1inc, b2inc;
-	bool b1reset, b2reset, initialized;
-	int dbpos;
-
-public:
-	Synth_PITCH_SHIFT_impl() : _speed(1.0), _frequency(5.0)
-	{
-	}
-
-	float speed() { return _speed; }
-	void speed(float newSpeed) { _speed = newSpeed; }
-
-	float frequency() { return _frequency; }
-	void frequency(float newFrequency) { _frequency = newFrequency; }
-
-
-	void streamInit()
-	{
-		dbuffer = new float[MAXDELAY];
-		for (dbpos=0; dbpos<MAXDELAY; dbpos++)
-			dbuffer[dbpos] = 0;
-
-		dbpos = 0;
-		initialized = false;
-		lfopos = 0;
-	}
-	void streamEnd()
-	{
-		delete[] dbuffer;
-	}
-
-	void calculateBlock(unsigned long samples)
-	{
-		float *outend = outvalue + samples;
-		float fsr = (float)samplingRate;
-		float pi2 = 2*M_PI;
-		float lfo, b1value, b2value;
-		float lfoposinc = _frequency / fsr;
-
-		if (!initialized)
-		{
-			if (_speed <= 1.0) {
-				b1pos = b2pos = 0.0;
-				b1inc = b2inc = 1.0 - _speed;
-			} else {
-				/* not yet sure what would be a nice initialization here? */
-				b1pos = b2pos = 0.0;
-				b1inc = b2inc = 0.0;
-			}
-			initialized = true;
-		}
-
-		while (outvalue < outend)
-		{
-			/*
-			 * fill delay buffer with the input signal
-			 */
-			dbuffer[dbpos] = *invalue++;
-
-			lfopos += lfoposinc;
-			lfopos -= floor(lfopos);
-
-			if (lfopos < 0.25) {
-				b1reset = b2reset = false;
-			}
-
-			/*
-			 * _speed < 1.0 (downpitching)
-			 *
-			 *  start with current sample and increase delay slowly
-			 *
-			 * _speed > 1.0 (uppitching)
-			 *
-			 *  start with a sample from long ago and slowly decrease delay
-			 */
-			if (!b1reset && lfopos > 0.25) {
-				if (_speed <= 1.0) {
-					b1pos = 0;
-					b1inc = 1 - _speed;
-				} else {
-					b1inc = 1 - _speed;
-					b1pos = 10 + ((-b1inc) * (1 / lfoposinc));
-					/* 10+ are not strictly necessary */
-				}
-				b1reset = true;
-			}
-
-			if (!b2reset && lfopos > 0.75) {
-				if (_speed <= 1.0) {
-					b2pos = 0;
-					b2inc = 1 - _speed;
-				} else{
-					b2inc = 1 - _speed;
-					b2pos = 10 + ((-b2inc) * (1/lfoposinc));
-					/* 10+ are not strictly necessary */
-				}
-				b2reset = true;
-			}
-
-			b1pos += b1inc;
-			b2pos += b2inc;
-
-			int position, position1;
-			double error,int_pos;
-
-			/*
-			 * Interpolate value from buffer position 1
-			 */
-			error = modf(b1pos, &int_pos);
-	
-			position = dbpos - (int)int_pos;
-			if (position < 0)
-				position += MAXDELAY;
-			position1 = position - 1;
-			if (position1 < 0)
-				position1 += MAXDELAY;
-
-			b1value = dbuffer[position] * (1 - error) + dbuffer[position1] * error;
-
-			/*
-			 * Interpolate value from buffer position 2
-			 */
-			error = modf(b2pos,&int_pos);
-	
-			position = dbpos - (int)int_pos;
-			if (position < 0)
-				position += MAXDELAY;
-			position1 = position-1;
-			if ( position1 < 0)
-				position1 += MAXDELAY;
-
-			b2value = dbuffer[position]*(1-error) + dbuffer[position1]*error;
-
-			/*
-			 * Calculate output signal from these two buffers
-			 */
-
-			lfo = (sin(pi2 * lfopos) + 1) / 2;
-
-			/*             position    sin   lfo variable
-			 *------------------------------------------------------------------
-			 * lfo value:    0.25       1         1        => buffer 2 is used
-			 *               0.75      -1         0        => buffer 1 is used
-			 */
-			
-			*outvalue++ = b1value * (1.0 - lfo) + b2value * lfo;
-			
-			/*
-			 * increment delay buffer position
-			 */
-			dbpos++;
-			if (dbpos == MAXDELAY)
-				dbpos = 0;
-		}
-	}
-};
-
-REGISTER_IMPLEMENTATION(Synth_PITCH_SHIFT_impl);