git-svn-id: svn://localhost/ardour2/branches/3.0@3755 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2008-09-19 01:16:44 +00:00
parent d357eca668
commit d8ade6d305
24 changed files with 25 additions and 494 deletions

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@ -19,7 +19,7 @@
*/
#include <pbd/error.h>
#include "ardour/automation_event.h"
#include "ardour/automation_list.h"
#include "ardour/automation_control.h"
#include "ardour_ui.h"
#include "utils.h"

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@ -26,9 +26,9 @@
#include <pbd/memento_command.h>
#include <pbd/stacktrace.h>
#include <ardour/automation_event.h>
#include <ardour/curve.h>
#include <ardour/automation_list.h>
#include <ardour/dB.h>
#include <evoral/Curve.hpp>
#include "simplerect.h"
#include "automation_line.h"

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@ -33,7 +33,7 @@
#include <pbd/undo.h>
#include <pbd/statefuldestructible.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
using std::vector;

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@ -22,7 +22,7 @@
#include <sys/types.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
#include "canvas.h"
#include "simplerect.h"

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@ -27,8 +27,8 @@
#include <libgnomecanvasmm/line.h>
#include <ardour/automation_event.h>
#include <ardour/curve.h>
#include <ardour/automation_list.h>
#include <evoral/Curve.hpp>
#include <ardour/crossfade.h>
#include <ardour/session.h>
#include <ardour/auditioner.h>

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@ -26,7 +26,7 @@
#include <gtkmm/button.h>
#include <gtkmm/radiobutton.h>
#include <ardour/curve.h>
#include <evoral/Curve.hpp>
#include "ardour_dialog.h"
#include "canvas.h"

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@ -22,7 +22,8 @@
#include <cfloat>
#include <unistd.h>
#include <ardour/curve.h>
#include <ardour/automation_list.h>
#include <evoral/Curve.hpp>
using namespace std;
using namespace ARDOUR;

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@ -17,7 +17,7 @@
*/
#include <ardour/curve.h>
#include <evoral/Curve.hpp>
#include <ardour/audioregion.h>
#include <pbd/memento_command.h>

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@ -49,7 +49,7 @@ auto_bundle.cc
automatable.cc
automation.cc
automation_control.cc
automation_event.cc
automation_list.cc
base_audio_port.cc
base_midi_port.cc
broadcast_info.cc
@ -60,7 +60,6 @@ configuration.cc
control_protocol_manager.cc
control_protocol_search_path.cc
crossfade.cc
curve.cc
cycle_timer.cc
default_click.cc
directory_names.cc

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@ -24,7 +24,7 @@
#include <map>
#include <boost/shared_ptr.hpp>
#include <ardour/session_object.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
#include <ardour/automation_control.h>
#include <ardour/parameter.h>
#include <evoral/ControlSet.hpp>

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@ -25,7 +25,7 @@
#include <pbd/controllable.h>
#include <ardour/parameter.h>
#include <evoral/Control.hpp>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
namespace ARDOUR {

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@ -30,9 +30,9 @@
#include <pbd/statefuldestructible.h>
#include <ardour/ardour.h>
#include <ardour/curve.h>
#include <ardour/audioregion.h>
#include <ardour/crossfade_compare.h>
#include <evoral/Curve.hpp>
namespace ARDOUR {

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@ -1,62 +0,0 @@
/*
Copyright (C) 2001-2007 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.
*/
#ifndef __ardour_curve_h__
#define __ardour_curve_h__
#include <sys/types.h>
#include <boost/utility.hpp>
#include <sigc++/signal.h>
#include <glibmm/thread.h>
#include <pbd/undo.h>
#include <list>
#include <algorithm>
#include <ardour/automation_event.h>
namespace ARDOUR {
class Curve : public boost::noncopyable
{
public:
Curve (const AutomationList& al);
bool rt_safe_get_vector (double x0, double x1, float *arg, int32_t veclen);
void get_vector (double x0, double x1, float *arg, int32_t veclen);
void solve ();
private:
double unlocked_eval (double where);
double multipoint_eval (double x);
void _get_vector (double x0, double x1, float *arg, int32_t veclen);
void on_list_dirty() { _dirty = true; }
bool _dirty;
const AutomationList& _list;
};
} // namespace ARDOUR
extern "C" {
void curve_get_vector_from_c (void *arg, double, double, float*, int32_t);
}
#endif /* __ardour_curve_h__ */

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@ -21,7 +21,8 @@
#define __ardour_gain_h__
#include "ardour.h"
#include "curve.h"
#include "automation_list.h"
#include <evoral/Curve.hpp>
namespace ARDOUR {

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@ -36,7 +36,6 @@
#include <ardour/ardour.h>
#include <ardour/automatable.h>
#include <ardour/utils.h>
#include <ardour/curve.h>
#include <ardour/types.h>
#include <ardour/data_type.h>
#include <ardour/port_set.h>

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@ -34,7 +34,7 @@
#include <ardour/ardour.h>
#include <ardour/processor.h>
#include <ardour/io.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
using std::map;
using std::set;

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@ -31,7 +31,6 @@
#include <pbd/controllable.h>
#include <ardour/types.h>
#include <ardour/curve.h>
#include <ardour/automation_control.h>
using std::istream;

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@ -27,7 +27,7 @@
#include <ardour/ardour.h>
#include <ardour/types.h>
#include <ardour/processor.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
class XMLNode;

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@ -705,7 +705,7 @@ class Session : public PBD::StatefulDestructible
sigc::signal<void> NamedSelectionRemoved;
/* Curves and AutomationLists (TODO when they go away) */
void add_curve(Curve*);
void add_curve(Evoral::Curve*);
void add_automation_list(AutomationList*);
/* fade curves */
@ -1540,7 +1540,7 @@ class Session : public PBD::StatefulDestructible
NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
/* CURVES and AUTOMATION LISTS */
std::map<PBD::ID, Curve*> curves;
std::map<PBD::ID, Evoral::Curve*> curves;
std::map<PBD::ID, AutomationList*> automation_lists;
/* DEFAULT FADE CURVES */

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@ -25,8 +25,8 @@
#include <algorithm>
#include <sigc++/bind.h>
#include <ardour/parameter.h>
#include <ardour/automation_event.h>
#include <ardour/curve.h>
#include <ardour/automation_list.h>
#include <evoral/Curve.hpp>
#include <pbd/stacktrace.h>
#include <pbd/enumwriter.h>

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@ -1,406 +0,0 @@
/*
Copyright (C) 2001-2007 Paul Davis
Contains ideas derived from "Constrained Cubic Spline Interpolation"
by CJC Kruger (www.korf.co.uk/spline.pdf).
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 <iostream>
#include <float.h>
#include <cmath>
#include <climits>
#include <cfloat>
#include <cmath>
#include <glibmm/thread.h>
#include <sigc++/bind.h>
#include "ardour/curve.h"
#include "ardour/automation_event.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace sigc;
using namespace PBD;
Curve::Curve (const AutomationList& al)
: _dirty (true)
, _list (al)
{
_list.Dirty.connect(mem_fun(*this, &Curve::on_list_dirty));
}
void
Curve::solve ()
{
uint32_t npoints;
if (!_dirty) {
return;
}
if ((npoints = _list.events().size()) > 2) {
/* Compute coefficients needed to efficiently compute a constrained spline
curve. See "Constrained Cubic Spline Interpolation" by CJC Kruger
(www.korf.co.uk/spline.pdf) for more details.
*/
double x[npoints];
double y[npoints];
uint32_t i;
AutomationList::EventList::const_iterator xx;
for (i = 0, xx = _list.events().begin(); xx != _list.events().end(); ++xx, ++i) {
x[i] = (double) (*xx)->when;
y[i] = (double) (*xx)->value;
}
double lp0, lp1, fpone;
lp0 = (x[1] - x[0])/(y[1] - y[0]);
lp1 = (x[2] - x[1])/(y[2] - y[1]);
if (lp0*lp1 < 0) {
fpone = 0;
} else {
fpone = 2 / (lp1 + lp0);
}
double fplast = 0;
for (i = 0, xx = _list.events().begin(); xx != _list.events().end(); ++xx, ++i) {
double xdelta; /* gcc is wrong about possible uninitialized use */
double xdelta2; /* ditto */
double ydelta; /* ditto */
double fppL, fppR;
double fpi;
if (i > 0) {
xdelta = x[i] - x[i-1];
xdelta2 = xdelta * xdelta;
ydelta = y[i] - y[i-1];
}
/* compute (constrained) first derivatives */
if (i == 0) {
/* first segment */
fplast = ((3 * (y[1] - y[0]) / (2 * (x[1] - x[0]))) - (fpone * 0.5));
/* we don't store coefficients for i = 0 */
continue;
} else if (i == npoints - 1) {
/* last segment */
fpi = ((3 * ydelta) / (2 * xdelta)) - (fplast * 0.5);
} else {
/* all other segments */
double slope_before = ((x[i+1] - x[i]) / (y[i+1] - y[i]));
double slope_after = (xdelta / ydelta);
if (slope_after * slope_before < 0.0) {
/* slope changed sign */
fpi = 0.0;
} else {
fpi = 2 / (slope_before + slope_after);
}
}
/* compute second derivative for either side of control point `i' */
fppL = (((-2 * (fpi + (2 * fplast))) / (xdelta))) +
((6 * ydelta) / xdelta2);
fppR = (2 * ((2 * fpi) + fplast) / xdelta) -
((6 * ydelta) / xdelta2);
/* compute polynomial coefficients */
double b, c, d;
d = (fppR - fppL) / (6 * xdelta);
c = ((x[i] * fppL) - (x[i-1] * fppR))/(2 * xdelta);
double xim12, xim13;
double xi2, xi3;
xim12 = x[i-1] * x[i-1]; /* "x[i-1] squared" */
xim13 = xim12 * x[i-1]; /* "x[i-1] cubed" */
xi2 = x[i] * x[i]; /* "x[i] squared" */
xi3 = xi2 * x[i]; /* "x[i] cubed" */
b = (ydelta - (c * (xi2 - xim12)) - (d * (xi3 - xim13))) / xdelta;
/* store */
(*xx)->create_coeffs();
(*xx)->coeff[0] = y[i-1] - (b * x[i-1]) - (c * xim12) - (d * xim13);
(*xx)->coeff[1] = b;
(*xx)->coeff[2] = c;
(*xx)->coeff[3] = d;
fplast = fpi;
}
}
_dirty = false;
}
bool
Curve::rt_safe_get_vector (double x0, double x1, float *vec, int32_t veclen)
{
Glib::Mutex::Lock lm(_list.lock(), Glib::TRY_LOCK);
if (!lm.locked()) {
return false;
} else {
_get_vector (x0, x1, vec, veclen);
return true;
}
}
void
Curve::get_vector (double x0, double x1, float *vec, int32_t veclen)
{
Glib::Mutex::Lock lm(_list.lock());
_get_vector (x0, x1, vec, veclen);
}
void
Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen)
{
double rx, dx, lx, hx, max_x, min_x;
int32_t i;
int32_t original_veclen;
int32_t npoints;
if ((npoints = _list.events().size()) == 0) {
for (i = 0; i < veclen; ++i) {
vec[i] = _list.default_value();
}
return;
}
/* events is now known not to be empty */
max_x = _list.events().back()->when;
min_x = _list.events().front()->when;
lx = max (min_x, x0);
if (x1 < 0) {
x1 = _list.events().back()->when;
}
hx = min (max_x, x1);
original_veclen = veclen;
if (x0 < min_x) {
/* fill some beginning section of the array with the
initial (used to be default) value
*/
double frac = (min_x - x0) / (x1 - x0);
int32_t subveclen = (int32_t) floor (veclen * frac);
subveclen = min (subveclen, veclen);
for (i = 0; i < subveclen; ++i) {
vec[i] = _list.events().front()->value;
}
veclen -= subveclen;
vec += subveclen;
}
if (veclen && x1 > max_x) {
/* fill some end section of the array with the default or final value */
double frac = (x1 - max_x) / (x1 - x0);
int32_t subveclen = (int32_t) floor (original_veclen * frac);
float val;
subveclen = min (subveclen, veclen);
val = _list.events().back()->value;
i = veclen - subveclen;
for (i = veclen - subveclen; i < veclen; ++i) {
vec[i] = val;
}
veclen -= subveclen;
}
if (veclen == 0) {
return;
}
if (npoints == 1 ) {
for (i = 0; i < veclen; ++i) {
vec[i] = _list.events().front()->value;
}
return;
}
if (npoints == 2) {
/* linear interpolation between 2 points */
/* XXX I'm not sure that this is the right thing to
do here. but its not a common case for the envisaged
uses.
*/
if (veclen > 1) {
dx = (hx - lx) / (veclen - 1) ;
} else {
dx = 0; // not used
}
double slope = (_list.events().back()->value - _list.events().front()->value)/
(_list.events().back()->when - _list.events().front()->when);
double yfrac = dx*slope;
vec[0] = _list.events().front()->value + slope * (lx - _list.events().front()->when);
for (i = 1; i < veclen; ++i) {
vec[i] = vec[i-1] + yfrac;
}
return;
}
if (_dirty) {
solve ();
}
rx = lx;
if (veclen > 1) {
dx = (hx - lx) / veclen;
for (i = 0; i < veclen; ++i, rx += dx) {
vec[i] = multipoint_eval (rx);
}
}
}
double
Curve::unlocked_eval (double x)
{
// I don't see the point of this...
if (_dirty) {
solve ();
}
return _list.unlocked_eval (x);
}
double
Curve::multipoint_eval (double x)
{
pair<AutomationList::EventList::const_iterator,AutomationList::EventList::const_iterator> range;
AutomationList::LookupCache& lookup_cache = _list.lookup_cache();
if ((lookup_cache.left < 0) ||
((lookup_cache.left > x) ||
(lookup_cache.range.first == _list.events().end()) ||
((*lookup_cache.range.second)->when < x))) {
ControlEvent cp (x, 0.0);
lookup_cache.range = equal_range (_list.events().begin(), _list.events().end(), &cp, AutomationList::time_comparator);
}
range = lookup_cache.range;
/* EITHER
a) x is an existing control point, so first == existing point, second == next point
OR
b) x is between control points, so range is empty (first == second, points to where
to insert x)
*/
if (range.first == range.second) {
/* x does not exist within the list as a control point */
lookup_cache.left = x;
if (range.first == _list.events().begin()) {
/* we're before the first point */
// return default_value;
_list.events().front()->value;
}
if (range.second == _list.events().end()) {
/* we're after the last point */
return _list.events().back()->value;
}
double x2 = x * x;
ControlEvent* ev = *range.second;
return ev->coeff[0] + (ev->coeff[1] * x) + (ev->coeff[2] * x2) + (ev->coeff[3] * x2 * x);
}
/* x is a control point in the data */
/* invalidate the cached range because its not usable */
lookup_cache.left = -1;
return (*range.first)->value;
}
extern "C" {
void
curve_get_vector_from_c (void *arg, double x0, double x1, float* vec, int32_t vecsize)
{
static_cast<Curve*>(arg)->get_vector (x0, x1, vec, vecsize);
}
}

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@ -30,7 +30,7 @@
#include <ardour/route.h>
#include <ardour/ladspa_plugin.h>
#include <ardour/buffer_set.h>
#include <ardour/automation_event.h>
#include <ardour/automation_list.h>
#ifdef HAVE_SLV2
#include <ardour/lv2_plugin.h>

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@ -104,7 +104,7 @@ Session::memento_command_factory(XMLNode *n)
}
} else if (obj_T == typeid (Route).name() || obj_T == typeid (AudioTrack).name() || obj_T == typeid(MidiTrack).name()) {
return new MementoCommand<Route>(*route_by_id(id), before, after);
} else if (obj_T == typeid (Curve).name() || obj_T == typeid (AutomationList).name()) {
} else if (obj_T == typeid (Evoral::Curve).name() || obj_T == typeid (AutomationList).name()) {
if (automation_lists.count(id))
return new MementoCommand<AutomationList>(*automation_lists[id], before, after);
} else if (registry.count(id)) { // For Editor and AutomationLine which are off-limits here