}
}
-/** Pop up a context menu for when the user clicks on a crossfade */
void
-Editor::popup_xfade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
+Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
{
using namespace Menu_Helpers;
- MenuList& items (xfade_context_menu.items());
+ void (Editor::*emf)(FadeShape);
+ std::map<ARDOUR::FadeShape,Gtk::Image*>* images;
+
+ if (start) {
+ images = &_xfade_in_images;
+ emf = &Editor::set_fade_in_shape;
+ } else {
+ images = &_xfade_out_images;
+ emf = &Editor::set_fade_out_shape;
+ }
+
+ items.push_back (
+ ImageMenuElem (
+ _("Linear (for highly correlated material)"),
+ *(*images)[FadeLinear],
+ sigc::bind (sigc::mem_fun (*this, emf), FadeLinear)
+ )
+ );
+
+ dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+
+ items.push_back (
+ ImageMenuElem (
+ _("ConstantPower"),
+ *(*images)[FadeConstantPower],
+ sigc::bind (sigc::mem_fun (*this, emf), FadeConstantPower)
+ ));
+
+ dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+ items.push_back (
+ ImageMenuElem (
+ _("Symmetric"),
+ *(*images)[FadeSymmetric],
+ sigc::bind (sigc::mem_fun (*this, emf), FadeSymmetric)
+ )
+ );
+
+ dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+
+ items.push_back (
+ ImageMenuElem (
+ _("Slow"),
+ *(*images)[FadeSlow],
+ sigc::bind (sigc::mem_fun (*this, emf), FadeSlow)
+ ));
+
+ dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+
+ items.push_back (
+ ImageMenuElem (
+ _("Fast"),
+ *(*images)[FadeFast],
+ sigc::bind (sigc::mem_fun (*this, emf), FadeFast)
+ ));
+
+ dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+}
+
+/** Pop up a context menu for when the user clicks on a start crossfade */
+void
+Editor::popup_xfade_in_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
+{
+ using namespace Menu_Helpers;
+
+ MenuList& items (xfade_in_context_menu.items());
+
if (items.empty()) {
- items.push_back (
- ImageMenuElem (
- _("Linear (for highly correlated material)"),
- *_xfade_images[FadeLinear],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)
- )
- );
-
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
- items.push_back (
- ImageMenuElem (
- _("ConstantPower (-6dB)"),
- *_xfade_images[FadeFast],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
- ));
-
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
- items.push_back (
- ImageMenuElem (
- _("Linear-dB"),
- *_xfade_images[FadeSlow],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
- )
- );
-
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
- items.push_back (
- ImageMenuElem (
- _("Smooth"),
- *_xfade_images[FadeLogB],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogB)
- ));
-
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
- items.push_back (
- ImageMenuElem (
- _("Fast"),
- *_xfade_images[FadeLogA],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogA)
- ));
-
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+ fill_xfade_menu (items, true);
+ }
+
+ xfade_in_context_menu.popup (button, time);
+}
+
+/** Pop up a context menu for when the user clicks on an end crossfade */
+void
+Editor::popup_xfade_out_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
+{
+ using namespace Menu_Helpers;
+
+ MenuList& items (xfade_out_context_menu.items());
+
+ if (items.empty()) {
+ fill_xfade_menu (items, false);
}
- xfade_context_menu.popup (button, time);
+ xfade_out_context_menu.popup (button, time);
}
items.push_back (
ImageMenuElem (
- _("Slowest"),
- *_fade_in_images[FadeFast],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
+ _("Slow"),
+ *_fade_in_images[FadeSlow],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
));
dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
items.push_back (
ImageMenuElem (
- _("Slow"),
- *_fade_in_images[FadeLogB],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogB)
+ _("Fast"),
+ *_fade_in_images[FadeFast],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
));
dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
items.push_back (
ImageMenuElem (
- _("Fast"),
- *_fade_in_images[FadeLogA],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogA)
+ _("Symmetric"),
+ *_fade_in_images[FadeSlow],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSymmetric)
));
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
items.push_back (
ImageMenuElem (
- _("Fastest"),
- *_fade_in_images[FadeSlow],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
+ _("Constant Power"),
+ *_fade_in_images[FadeConstantPower],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeConstantPower)
));
dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
items.push_back (
ImageMenuElem (
- _("Slowest"),
- *_fade_out_images[FadeFast],
+ _("Slow"),
+ *_fade_out_images[FadeSlow],
sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)
));
items.push_back (
ImageMenuElem (
- _("Slow"),
- *_fade_out_images[FadeLogB],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLogA)
+ _("Fast"),
+ *_fade_out_images[FadeFast],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
));
dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
items.push_back (
ImageMenuElem (
- _("Fast"),
- *_fade_out_images[FadeLogA],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLogB)
+ _("Symmetric"),
+ *_fade_out_images[FadeSlow],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSymmetric)
));
- dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
items.push_back (
ImageMenuElem (
- _("Fastest"),
- *_fade_out_images[FadeSlow],
- sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
+ _("Constant Power"),
+ *_fade_out_images[FadeConstantPower],
+ sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeConstantPower)
));
dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
Editor::setup_fade_images ()
{
_fade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadein-linear")));
- _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-short-cut")));
- _fade_in_images[FadeLogB] = new Gtk::Image (get_icon_path (X_("fadein-slow-cut")));
- _fade_in_images[FadeLogA] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
- _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadein-long-cut")));
+ _fade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadein-short-cut")));
+ _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-slow-cut")));
+ _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
+ _fade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadein-long-cut")));
_fade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
- _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
- _fade_out_images[FadeLogB] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
- _fade_out_images[FadeLogA] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
- _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
-
- _xfade_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
- _xfade_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
- _xfade_images[FadeLogB] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
- _xfade_images[FadeLogA] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
- _xfade_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
+ _fade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+ _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+ _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+ _fade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
+
+ _xfade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
+ _xfade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+ _xfade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+ _xfade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+ _xfade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
+
+ _xfade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
+ _xfade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+ _xfade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+ _xfade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+ _xfade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
}
}
}
+static const double VERY_SMALL_SIGNAL = 0.0000001; //-140dB
+
+/* Curve manipulations */
+
+static void
+reverse_curve (boost::shared_ptr<Evoral::ControlList> dst, boost::shared_ptr<const Evoral::ControlList> src)
+{
+ size_t len = src->back()->when;
+
+ for (Evoral::ControlList::const_iterator it = src->begin(); it!=src->end(); it++) {
+ dst->add ( len - (*it)->when, (*it)->value );
+ }
+}
+
+static void
+generate_inverse_power_curve (boost::shared_ptr<Evoral::ControlList> dst, boost::shared_ptr<const Evoral::ControlList> src)
+{
+ //calc inverse curve using sum of squares
+ for (Evoral::ControlList::const_iterator it = src->begin(); it!=src->end(); ++it ) {
+ float value = (*it)->value;
+ value = 1 - powf(value,2);
+ value = sqrtf(value);
+ dst->fast_simple_add ( (*it)->when, value );
+ }
+}
+
+/*
+static void
+generate_inverse_coefficient_curve (boost::shared_ptr<Evoral::ControlList> dst, boost::shared_ptr<const Evoral::ControlList> src)
+{
+ //calc inverse gain coefficient curve
+ for (Evoral::ControlList::const_iterator it = src->begin(); it!=src->end(); ++it ) {
+ float value = 1.0 - (*it)->value;
+ dst->fast_simple_add ( (*it)->when, value );
+ }
+}
+*/
+
+static void
+generate_db_fade (boost::shared_ptr<Evoral::ControlList> dst, double len, int num_steps, float dB_drop)
+{
+ dst->fast_simple_add (0, 1);
+
+ //generate a fade-out curve by successively applying a gain drop
+ float fade_speed = dB_to_coefficient(dB_drop / (float) num_steps);
+ for (int i = 1; i < (num_steps-1); i++) {
+ float coeff = 1.0;
+ for (int j = 0; j < i; j++) {
+ coeff *= fade_speed;
+ }
+ dst->fast_simple_add (len*(double)i/(double)num_steps, coeff);
+ }
+
+ dst->fast_simple_add (len, VERY_SMALL_SIGNAL);
+}
+
+static void
+merge_curves (boost::shared_ptr<Evoral::ControlList> dst,
+ boost::shared_ptr<const Evoral::ControlList> curve1,
+ boost::shared_ptr<const Evoral::ControlList> curve2)
+{
+ Evoral::ControlList::EventList::size_type size = curve1->size();
+
+ //curve lengths must match for now
+ if (size != curve2->size()) {
+ return;
+ }
+
+ Evoral::ControlList::const_iterator c1 = curve1->begin();
+ int count = 0;
+ for (Evoral::ControlList::const_iterator c2 = curve2->begin(); c2!=curve2->end(); c2++ ) {
+ float v1 = accurate_coefficient_to_dB((*c1)->value);
+ float v2 = accurate_coefficient_to_dB((*c2)->value);
+
+ double interp = v1 * ( 1.0-( (double)count / (double)size) );
+ interp += v2 * ( (double)count / (double)size );
+
+ interp = dB_to_coefficient(interp);
+ dst->add ( (*c1)->when, interp );
+ c1++;
+ count++;
+ }
+}
+
void
AudioRegion::make_property_quarks ()
{
, AUDIOREGION_STATE_DEFAULT
, _automatable (s)
, _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _inverse_fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
, _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _inverse_fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
, _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
, _fade_in_suspended (0)
, _fade_out_suspended (0)
, AUDIOREGION_STATE_DEFAULT
, _automatable(srcs[0]->session())
, _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _inverse_fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
, _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _inverse_fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
, _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
, _fade_in_suspended (0)
, _fade_out_suspended (0)
, AUDIOREGION_COPY_STATE (other)
, _automatable (other->session())
, _fade_in (new AutomationList (*other->_fade_in))
+ , _inverse_fade_in (new AutomationList(*other->_inverse_fade_in))
, _fade_out (new AutomationList (*other->_fade_out))
+ , _inverse_fade_out (new AutomationList (*other->_inverse_fade_out))
/* As far as I can see, the _envelope's times are relative to region position, and have nothing
to do with sources (and hence _start). So when we copy the envelope, we just use the supplied offset.
*/
, AUDIOREGION_COPY_STATE (other)
, _automatable (other->session())
, _fade_in (new AutomationList (*other->_fade_in))
+ , _inverse_fade_in (new AutomationList(*other->_inverse_fade_in))
, _fade_out (new AutomationList (*other->_fade_out))
+ , _inverse_fade_out (new AutomationList (*other->_inverse_fade_out))
/* As far as I can see, the _envelope's times are relative to region position, and have nothing
to do with sources (and hence _start). So when we copy the envelope, we just use the supplied offset.
*/
, AUDIOREGION_COPY_STATE (other)
, _automatable (other->session())
, _fade_in (new AutomationList (*other->_fade_in))
+ , _inverse_fade_in (new AutomationList(*other->_inverse_fade_in))
, _fade_out (new AutomationList (*other->_fade_out))
+ , _inverse_fade_out (new AutomationList (*other->_inverse_fade_out))
, _envelope (new AutomationList (*other->_envelope))
, _fade_in_suspended (0)
, _fade_out_suspended (0)
, AUDIOREGION_STATE_DEFAULT
, _automatable(srcs[0]->session())
, _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _inverse_fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
, _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _inverse_fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
, _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
, _fade_in_suspended (0)
, _fade_out_suspended (0)
} else if (child->name() == "InvFadeIn") {
XMLNode* grandchild = child->child ("AutomationList");
if (grandchild) {
- if (!_inverse_fade_in) {
- _inverse_fade_in.reset (new AutomationList (Evoral::Parameter (FadeInAutomation)));
- }
_inverse_fade_in->set_state (*grandchild, version);
}
} else if (child->name() == "InvFadeOut") {
XMLNode* grandchild = child->child ("AutomationList");
if (grandchild) {
- if (!_inverse_fade_out) {
- _inverse_fade_out.reset (new AutomationList (Evoral::Parameter (FadeOutAutomation)));
- }
_inverse_fade_out->set_state (*grandchild, version);
}
}
void
AudioRegion::set_fade_in (FadeShape shape, framecnt_t len)
{
+ boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeInAutomation));
+ boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeInAutomation));
+ boost::shared_ptr<Evoral::ControlList> c3 (new Evoral::ControlList (FadeInAutomation));
+
+ cerr << "Resetting fade in to " << shape << " len = " << len << endl;
+
_fade_in->freeze ();
_fade_in->clear ();
+ _inverse_fade_in->clear ();
switch (shape) {
case FadeLinear:
_fade_in->fast_simple_add (0.0, 0.0);
_fade_in->fast_simple_add (len, 1.0);
- _inverse_fade_in.reset ();
+ reverse_curve (_inverse_fade_in, _fade_in);
break;
case FadeFast:
- _fade_in->fast_simple_add (0, 0);
- _fade_in->fast_simple_add (len * 0.389401, 0.0333333);
- _fade_in->fast_simple_add (len * 0.629032, 0.0861111);
- _fade_in->fast_simple_add (len * 0.829493, 0.233333);
- _fade_in->fast_simple_add (len * 0.9447, 0.483333);
- _fade_in->fast_simple_add (len * 0.976959, 0.697222);
- _fade_in->fast_simple_add (len, 1);
- _inverse_fade_in.reset ();
+ generate_db_fade (_fade_in, len, 10, -60);
+ reverse_curve (c1, _fade_in);
+ _fade_in->copy_events (*c1);
+ generate_inverse_power_curve (_inverse_fade_in, _fade_in);
break;
case FadeSlow:
- _fade_in->fast_simple_add (0, 0);
- _fade_in->fast_simple_add (len * 0.0207373, 0.197222);
- _fade_in->fast_simple_add (len * 0.0645161, 0.525);
- _fade_in->fast_simple_add (len * 0.152074, 0.802778);
- _fade_in->fast_simple_add (len * 0.276498, 0.919444);
- _fade_in->fast_simple_add (len * 0.481567, 0.980556);
- _fade_in->fast_simple_add (len * 0.767281, 1);
- _fade_in->fast_simple_add (len, 1);
- _inverse_fade_in.reset ();
- break;
-
- case FadeLogA:
- _fade_in->fast_simple_add (0, 0);
- _fade_in->fast_simple_add (len * 0.0737327, 0.308333);
- _fade_in->fast_simple_add (len * 0.246544, 0.658333);
- _fade_in->fast_simple_add (len * 0.470046, 0.886111);
- _fade_in->fast_simple_add (len * 0.652074, 0.972222);
- _fade_in->fast_simple_add (len * 0.771889, 0.988889);
- _fade_in->fast_simple_add (len, 1);
- _inverse_fade_in.reset ();
- break;
-
- case FadeLogB:
- _fade_in->fast_simple_add (0, 0);
- _fade_in->fast_simple_add (len * 0.304147, 0.0694444);
- _fade_in->fast_simple_add (len * 0.529954, 0.152778);
- _fade_in->fast_simple_add (len * 0.725806, 0.333333);
- _fade_in->fast_simple_add (len * 0.847926, 0.558333);
- _fade_in->fast_simple_add (len * 0.919355, 0.730556);
- _fade_in->fast_simple_add (len, 1);
- _inverse_fade_in.reset ();
+ generate_db_fade (c1, len, 10, -1); // start off with a slow fade
+ generate_db_fade (c2, len, 10, -80); // end with a fast fade
+ merge_curves (_fade_in, c1, c2);
+ generate_inverse_power_curve (_inverse_fade_in, _fade_in);
break;
- case FadeConstantPowerMinus3dB:
- _fade_in->fast_simple_add (0.0, 0.0);
- _fade_in->fast_simple_add ((len * 0.166667), 0.282192);
- _fade_in->fast_simple_add ((len * 0.333333), 0.518174);
- _fade_in->fast_simple_add ((len * 0.500000), 0.707946);
- _fade_in->fast_simple_add ((len * 0.666667), 0.851507);
- _fade_in->fast_simple_add ((len * 0.833333), 0.948859);
- _fade_in->fast_simple_add (len, 1.0);
-
- /* setup complementary fade out for lower layers */
-
- if (!_inverse_fade_in) {
- _inverse_fade_in.reset (new AutomationList (Evoral::Parameter (FadeInAutomation)));
+ case FadeConstantPower:
+ for (int i = 0; i < 9; ++i) {
+ float dist = (float) i / 10.0f;
+ _fade_in->fast_simple_add (len*dist, sin (dist*M_PI/2));
}
-
- _inverse_fade_in->clear ();
- _inverse_fade_in->fast_simple_add (0.0, 1.0);
- _inverse_fade_in->fast_simple_add ((len * 0.166667), 0.948859);
- _inverse_fade_in->fast_simple_add ((len * 0.333333), 0.851507);
- _inverse_fade_in->fast_simple_add ((len * 0.500000), 0.707946);
- _inverse_fade_in->fast_simple_add ((len * 0.666667), 0.518174);
- _inverse_fade_in->fast_simple_add ((len * 0.833333), 0.282192);
- _inverse_fade_in->fast_simple_add (len, 0.0);
-
+ _fade_in->fast_simple_add (len, 1.0);
+ generate_inverse_power_curve (_inverse_fade_in, _fade_in);
break;
- case FadeConstantPowerMinus6dB:
- _fade_in->fast_simple_add (0.0, 0.0);
- _fade_in->fast_simple_add ((len * 0.166667), 0.166366);
- _fade_in->fast_simple_add ((len * 0.333333), 0.332853);
- _fade_in->fast_simple_add ((len * 0.500000), 0.499459);
- _fade_in->fast_simple_add ((len * 0.666667), 0.666186);
- _fade_in->fast_simple_add ((len * 0.833333), 0.833033);
- _fade_in->fast_simple_add (len, 1.0);
-
- /* setup complementary fade out for lower layers */
-
- if (!_inverse_fade_in) {
- _inverse_fade_in.reset (new AutomationList (Evoral::Parameter (FadeInAutomation)));
+ case FadeSymmetric:
+ // starts kind of like a constant power but has a slower fadeout
+ // however it is NOT constant power and there will be a level drop in the middle of the crossfade
+ c1->fast_simple_add (0.0, 1.0);
+ for ( int i = 1; i < 9; i++ ) {
+ float dist = (float)i/10.0;
+ c1->fast_simple_add ((len * dist), cos(dist*M_PI/10.0));
}
+ c1->fast_simple_add (len, VERY_SMALL_SIGNAL);
- _inverse_fade_in->clear ();
- _inverse_fade_in->fast_simple_add (0.0, 1.0);
- _inverse_fade_in->fast_simple_add ((len * 0.166667), 0.833033);
- _inverse_fade_in->fast_simple_add ((len * 0.333333), 0.666186);
- _inverse_fade_in->fast_simple_add ((len * 0.500000), 0.499459);
- _inverse_fade_in->fast_simple_add ((len * 0.666667), 0.332853);
- _inverse_fade_in->fast_simple_add ((len * 0.833333), 0.166366);
- _inverse_fade_in->fast_simple_add (len, 0.0);
+ //curve 2 is a slow fade at end
+ generate_db_fade (c2, len, 10, -30 );
+ merge_curves (c3, c1, c2);
+ reverse_curve (_fade_in, c3);
+ reverse_curve (_inverse_fade_in, _fade_in );
break;
}
_default_fade_in = false;
_fade_in->thaw ();
+ cerr << "SEND CHANGE SIGNAL\n";
send_change (PropertyChange (Properties::fade_in));
+ cerr << "DONE CHANGE SIGNAL\n";
}
void
void
AudioRegion::set_fade_out (FadeShape shape, framecnt_t len)
{
+ boost::shared_ptr<Evoral::ControlList> c1 (new Evoral::ControlList (FadeOutAutomation));
+ boost::shared_ptr<Evoral::ControlList> c2 (new Evoral::ControlList (FadeOutAutomation));
+
_fade_out->freeze ();
_fade_out->clear ();
+ _inverse_fade_out->clear ();
switch (shape) {
- case FadeFast:
- _fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add (len * 0.023041, 0.697222);
- _fade_out->fast_simple_add (len * 0.0553, 0.483333);
- _fade_out->fast_simple_add (len * 0.170507, 0.233333);
- _fade_out->fast_simple_add (len * 0.370968, 0.0861111);
- _fade_out->fast_simple_add (len * 0.610599, 0.0333333);
- _fade_out->fast_simple_add (1.0, 0.0);
- _inverse_fade_out.reset ();
- break;
-
- case FadeLogA:
- _fade_out->fast_simple_add (0, 1.0);
- _fade_out->fast_simple_add (len * 0.228111, 0.988889);
- _fade_out->fast_simple_add (len * 0.347926, 0.972222);
- _fade_out->fast_simple_add (len * 0.529954, 0.886111);
- _fade_out->fast_simple_add (len * 0.753456, 0.658333);
- _fade_out->fast_simple_add (len * 0.9262673, 0.308333);
- _fade_out->fast_simple_add (len, 0.0);
- _inverse_fade_out.reset ();
- break;
-
- case FadeSlow:
+ case FadeLinear:
_fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add (len * 0.305556, 1);
- _fade_out->fast_simple_add (len * 0.548611, 0.991736);
- _fade_out->fast_simple_add (len * 0.759259, 0.931129);
- _fade_out->fast_simple_add (len * 0.918981, 0.68595);
- _fade_out->fast_simple_add (len * 0.976852, 0.22865);
- _fade_out->fast_simple_add (len, 0.0);
- _inverse_fade_out.reset ();
+ _fade_out->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ reverse_curve (_inverse_fade_out, _fade_out);
break;
-
- case FadeLogB:
- _fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add (len * 0.080645, 0.730556);
- _fade_out->fast_simple_add (len * 0.277778, 0.289256);
- _fade_out->fast_simple_add (len * 0.470046, 0.152778);
- _fade_out->fast_simple_add (len * 0.695853, 0.0694444);
- _fade_out->fast_simple_add (len, 0.0);
- _inverse_fade_out.reset ();
+
+ case FadeFast:
+ generate_db_fade (_fade_out, len, 10, -60 );
+ generate_inverse_power_curve (_inverse_fade_out, _fade_out);
break;
-
- case FadeLinear:
- _fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add (len, 0.0);
- _inverse_fade_out.reset ();
+
+ case FadeSlow:
+ generate_db_fade (c1, len, 10, -1 ); //start off with a slow fade
+ generate_db_fade (c2, len, 10, -80 ); //end with a fast fade
+ merge_curves (_fade_out, c1, c2);
+ generate_inverse_power_curve (_inverse_fade_out, _fade_out);
break;
- case FadeConstantPowerMinus3dB:
+ case FadeConstantPower:
+ //constant-power fades use a sin/cos relationship
+ //the cutoff is abrupt but it has the benefit of being symmetrical
_fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add ((len * 0.166667), 0.948859);
- _fade_out->fast_simple_add ((len * 0.333333), 0.851507);
- _fade_out->fast_simple_add ((len * 0.500000), 0.707946);
- _fade_out->fast_simple_add ((len * 0.666667), 0.518174);
- _fade_out->fast_simple_add ((len * 0.833333), 0.282192);
- _fade_out->fast_simple_add (len, 0.0);
-
- /* setup complementary fade in for lower layers */
-
- if (!_inverse_fade_out) {
- _inverse_fade_out.reset (new AutomationList (Evoral::Parameter (FadeOutAutomation)));
+ for (int i = 1; i < 9; i++ ) {
+ float dist = (float)i/10.0;
+ _fade_out->fast_simple_add ((len * dist), cos(dist*M_PI/2));
}
-
- _inverse_fade_out->clear ();
- _inverse_fade_out->fast_simple_add (0.0, 0.0);
- _inverse_fade_out->fast_simple_add ((len * 0.166667), 0.282192);
- _inverse_fade_out->fast_simple_add ((len * 0.333333), 0.518174);
- _inverse_fade_out->fast_simple_add ((len * 0.500000), 0.707946);
- _inverse_fade_out->fast_simple_add ((len * 0.666667), 0.851507);
- _inverse_fade_out->fast_simple_add ((len * 0.833333), 0.948859);
- _inverse_fade_out->fast_simple_add (len, 1.0);
-
+ _fade_out->fast_simple_add (len, VERY_SMALL_SIGNAL);
+ generate_inverse_power_curve (_inverse_fade_out, _fade_out);
break;
-
- case FadeConstantPowerMinus6dB:
- _fade_out->fast_simple_add (0.0, 1.0);
- _fade_out->fast_simple_add ((len * 0.166667), 0.833033);
- _fade_out->fast_simple_add ((len * 0.333333), 0.666186);
- _fade_out->fast_simple_add ((len * 0.500000), 0.499459);
- _fade_out->fast_simple_add ((len * 0.666667), 0.332853);
- _fade_out->fast_simple_add ((len * 0.833333), 0.166366);
- _fade_out->fast_simple_add (len, 0.0);
-
- /* setup complementary fade in for lower layers */
-
- if (!_inverse_fade_out) {
- _inverse_fade_out.reset (new AutomationList (Evoral::Parameter (FadeOutAutomation)));
+
+ case FadeSymmetric:
+ //starts kind of like a constant power but has a slower fadeout
+ //however it is NOT constant power and there will be a level drop in the middle of the crossfade
+ c1->fast_simple_add (0.0, 1.0);
+ for ( int i = 1; i < 9; i++ ) {
+ float dist = (float)i/10.0;
+ c1->fast_simple_add ((len * dist), cos(dist*M_PI/10.0)); //cheesy way of making a flat line
}
+ c1->fast_simple_add (len, VERY_SMALL_SIGNAL);
- _inverse_fade_out->clear ();
- _inverse_fade_out->fast_simple_add (0.0, 0.0);
- _inverse_fade_out->fast_simple_add ((len * 0.166667), 0.166366);
- _inverse_fade_out->fast_simple_add ((len * 0.333333), 0.332853);
- _inverse_fade_out->fast_simple_add ((len * 0.500000), 0.499459);
- _inverse_fade_out->fast_simple_add ((len * 0.666667), 0.666186);
- _inverse_fade_out->fast_simple_add ((len * 0.833333), 0.833033);
- _inverse_fade_out->fast_simple_add (len, 1.0);
+ //curve 2 is a slow fade at end
+ generate_db_fade (c2, len, 10, -30);
+ merge_curves (_fade_out, c1, c2);
+ reverse_curve (_inverse_fade_out, _fade_out);
break;
}
_default_fade_out = false;
_fade_out->thaw ();
- send_change (PropertyChange (Properties::fade_in));
+ send_change (PropertyChange (Properties::fade_out));
}
void
boost::shared_ptr<Region> other = get_single_other_xfade_region (start);
framecnt_t maxlen;
+ if (!other) {
+ /* zero or > 2 regions here, don't care about len */
+ return len;
+ }
+
/* we overlap a single region. clamp the length of an xfade to
the maximum possible duration of the overlap (if the other
region were trimmed appropriately).
projects / ardour.git / commitdiff