No-op: reformat and add GPL boilerplate.
git-svn-id: svn://localhost/ardour2/branches/3.0@8167 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -1,3 +1,22 @@
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/*
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Copyright (C) 1999-2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <math.h>
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#include <math.h>
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#include <samplerate.h>
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#include <samplerate.h>
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@ -9,33 +28,33 @@
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namespace ARDOUR {
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namespace ARDOUR {
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class Interpolation {
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class Interpolation {
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protected:
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protected:
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double _speed, _target_speed;
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double _speed;
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double _target_speed;
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// the idea is that when the speed is not 1.0, we have to
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// the idea is that when the speed is not 1.0, we have to
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// interpolate between samples and then we have to store where we thought we were.
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// interpolate between samples and then we have to store where we thought we were.
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// rather than being at sample N or N+1, we were at N+0.8792922
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// rather than being at sample N or N+1, we were at N+0.8792922
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std::vector<double> phase;
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std::vector<double> phase;
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public:
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Interpolation () { _speed = 1.0; _target_speed = 1.0; }
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~Interpolation () { phase.clear(); }
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public:
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void set_speed (double new_speed) { _speed = new_speed; _target_speed = new_speed; }
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Interpolation () { _speed = 1.0; _target_speed = 1.0; }
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void set_target_speed (double new_speed) { _target_speed = new_speed; }
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~Interpolation () { phase.clear(); }
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double target_speed() const { return _target_speed; }
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void set_speed (double new_speed) { _speed = new_speed; _target_speed = new_speed; }
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double speed() const { return _speed; }
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void set_target_speed (double new_speed) { _target_speed = new_speed; }
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void add_channel_to (int /*input_buffer_size*/, int /*output_buffer_size*/) { phase.push_back (0.0); }
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double target_speed() const { return _target_speed; }
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void remove_channel_from () { phase.pop_back (); }
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double speed() const { return _speed; }
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void reset () {
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void add_channel_to (int /*input_buffer_size*/, int /*output_buffer_size*/) { phase.push_back (0.0); }
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for (size_t i = 0; i < phase.size(); i++) {
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void remove_channel_from () { phase.pop_back (); }
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phase[i] = 0.0;
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}
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void reset () {
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}
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for (size_t i = 0; i < phase.size(); i++) {
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phase[i] = 0.0;
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}
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}
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};
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};
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class LinearInterpolation : public Interpolation {
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class LinearInterpolation : public Interpolation {
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