ardour/livetrax
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Add API allowing plugin preset load to affect automation

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This commit is contained in:
Robin Gareus 2017-02-21 15:02:29 +01:00
parent 1b2a64c391
commit 5db22a33c1
3 changed files with 34 additions and 8 deletions
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3
libs/ardour/ardour/plugin.h
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@ -256,6 +256,9 @@ class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent
*/
PBD::Signal0<void> PresetDirty;
/** Emitted for preset-load to set a control-port */
PBD::Signal2<void, uint32_t, float> PresetPortSetValue;
virtual bool has_editor () const = 0;
/** Emitted when a parameter is altered by something outside of our

2
libs/ardour/ardour/plugin_insert.h
View File

@ -374,6 +374,8 @@ class LIBARDOUR_API PluginInsert : public Processor
void latency_changed ();
bool _latency_changed;
uint32_t _bypass_port;
void preset_load_set_value (uint32_t, float);
};
} // namespace ARDOUR

37
libs/ardour/plugin_insert.cc
View File

@ -490,7 +490,9 @@ PluginInsert::create_automatable_parameters ()
ac->Changed.connect_same_thread (*this, boost::bind (&PluginInsert::enable_changed, this));
}
}
plugin->PresetPortSetValue.connect_same_thread (*this, boost::bind (&PluginInsert::preset_load_set_value, this, _1, _2));
}
/** Called when something outside of this host has modified a plugin
* parameter. Responsible for propagating the change to two places:
*
@ -649,6 +651,23 @@ PluginInsert::bypassable_changed ()
BypassableChanged ();
}
void
PluginInsert::preset_load_set_value (uint32_t p, float v)
{
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter(PluginAutomation, 0, p));
if (!ac) {
return;
}
if (ac->automation_state() & Play) {
return;
}
start_touch (p);
ac->set_value (v, Controllable::NoGroup);
end_touch (p);
}
void
PluginInsert::inplace_silence_unconnected (BufferSet& bufs, const PinMappings& out_map, framecnt_t nframes, framecnt_t offset) const
{
@ -3014,19 +3033,21 @@ PluginInsert::latency_changed ()
void
PluginInsert::start_touch (uint32_t param_id)
{
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
if (ac) {
ac->start_touch (session().audible_frame());
}
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
if (ac) {
// ToDo subtract _plugin_signal_latency from audible_frame() when rolling, assert > 0
ac->start_touch (session().audible_frame());
}
}
void
PluginInsert::end_touch (uint32_t param_id)
{
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
if (ac) {
ac->stop_touch (true, session().audible_frame());
}
boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
if (ac) {
// ToDo subtract _plugin_signal_latency from audible_frame() when rolling, assert > 0
ac->stop_touch (true, session().audible_frame());
}
}
std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m)