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No-op: reformat and add GPL boilerplate.

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git-svn-id: svn://localhost/ardour2/branches/3.0@8167 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-12-03 22:27:30 +00:00
parent 73192bc1a7
commit c04e57125b
1 changed files with 43 additions and 24 deletions
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67
libs/ardour/ardour/interpolation.h
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@ -1,3 +1,22 @@
/*
Copyright (C) 1999-2010 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <math.h>
#include <samplerate.h>
@ -9,33 +28,33 @@
namespace ARDOUR {
class Interpolation {
protected:
double _speed, _target_speed;
protected:
double _speed;
double _target_speed;
// the idea is that when the speed is not 1.0, we have to
// interpolate between samples and then we have to store where we thought we were.
// rather than being at sample N or N+1, we were at N+0.8792922
std::vector<double> phase;
// the idea is that when the speed is not 1.0, we have to
// interpolate between samples and then we have to store where we thought we were.
// rather than being at sample N or N+1, we were at N+0.8792922
std::vector<double> phase;
public:
Interpolation () { _speed = 1.0; _target_speed = 1.0; }
~Interpolation () { phase.clear(); }
public:
Interpolation () { _speed = 1.0; _target_speed = 1.0; }
~Interpolation () { phase.clear(); }
void set_speed (double new_speed) { _speed = new_speed; _target_speed = new_speed; }
void set_target_speed (double new_speed) { _target_speed = new_speed; }
double target_speed() const { return _target_speed; }
double speed() const { return _speed; }
void add_channel_to (int /*input_buffer_size*/, int /*output_buffer_size*/) { phase.push_back (0.0); }
void remove_channel_from () { phase.pop_back (); }
void reset () {
for (size_t i = 0; i < phase.size(); i++) {
phase[i] = 0.0;
}
}
void set_speed (double new_speed) { _speed = new_speed; _target_speed = new_speed; }
void set_target_speed (double new_speed) { _target_speed = new_speed; }
double target_speed() const { return _target_speed; }
double speed() const { return _speed; }
void add_channel_to (int /*input_buffer_size*/, int /*output_buffer_size*/) { phase.push_back (0.0); }
void remove_channel_from () { phase.pop_back (); }
void reset () {
for (size_t i = 0; i < phase.size(); i++) {
phase[i] = 0.0;
}
}
};
class LinearInterpolation : public Interpolation {