abort if configuration fails

[ardour.git] / libs / ardour / amp.cc

diff --git a/libs/ardour/amp.cc b/libs/ardour/amp.cc
index c62bb7ff69574c86271825777d2a1bad85175b2c..d5b9f56ca5f932a7ddc67eaeada5668815c1e2e5 100644 (file)
--- a/libs/ardour/amp.cc
+++ b/libs/ardour/amp.cc
@@ -26,6 +26,7 @@
 #include "ardour/amp.h"
 #include "ardour/audio_buffer.h"
 #include "ardour/buffer_set.h"
+#include "ardour/gain_control.h"
 #include "ardour/midi_buffer.h"
 #include "ardour/rc_configuration.h"
 #include "ardour/session.h"
@@ -38,28 +39,18 @@ using namespace PBD;
 // used for low-pass filter denormal protection
 #define GAIN_COEFF_TINY (1e-10) // -200dB
 
-Amp::Amp (Session& s, std::string type)
+Amp::Amp (Session& s, const std::string& name, boost::shared_ptr<GainControl> gc, bool control_midi_also)
        : Processor(s, "Amp")
        , _apply_gain(true)
        , _apply_gain_automation(false)
        , _current_gain(GAIN_COEFF_ZERO)
        , _current_automation_frame (INT64_MAX)
+       , _gain_control (gc)
        , _gain_automation_buffer(0)
-       , _type (type)
-       , _midi_amp (type != "trim")
+       , _midi_amp (control_midi_also)
 {
-       Evoral::Parameter p (_type == "trim" ? TrimAutomation : GainAutomation);
-       boost::shared_ptr<AutomationList> gl (new AutomationList (p));
-       _gain_control = boost::shared_ptr<GainControl> (new GainControl ((_type == "trim") ? X_("trimcontrol") : X_("gaincontrol"), s, this, p, gl));
-       _gain_control->set_flags (Controllable::GainLike);
-
-       add_control(_gain_control);
-}
-
-std::string
-Amp::display_name() const
-{
-       return _type == "trim" ? _("Trim") : _("Fader");
+       set_display_name (name);
+       add_control (_gain_control);
 }
 
 bool
@@ -357,31 +348,12 @@ Amp::apply_simple_gain (AudioBuffer& buf, framecnt_t nframes, gain_t target)
        }
 }
 
-void
-Amp::inc_gain (gain_t factor, void *src)
-{
-       float desired_gain = _gain_control->user_double();
-
-       if (fabsf (desired_gain) < GAIN_COEFF_SMALL) {
-               // really?! what's the idea here?
-               set_gain (0.000001f + (0.000001f * factor), src);
-       } else {
-               set_gain (desired_gain + (desired_gain * factor), src);
-       }
-}
-
-void
-Amp::set_gain (gain_t val, void *)
-{
-       _gain_control->set_value (val);
-}
-
 XMLNode&
 Amp::state (bool full_state)
 {
        XMLNode& node (Processor::state (full_state));
-       node.add_property("type", _type);
-        node.add_child_nocopy (_gain_control->get_state());
+       node.add_property("type", _gain_control->parameter().type() == GainAutomation ? "amp" : "trim");
+       node.add_child_nocopy (_gain_control->get_state());
 
        return node;
 }
@@ -400,52 +372,6 @@ Amp::set_state (const XMLNode& node, int version)
        return 0;
 }
 
-void
-Amp::GainControl::set_value (double val)
-{
-       AutomationControl::set_value (std::max (std::min (val, (double)_desc.upper), (double)_desc.lower));
-       _amp->session().set_dirty ();
-}
-
-double
-Amp::GainControl::internal_to_interface (double v) const
-{
-       if (_desc.type == GainAutomation) {
-               return gain_to_slider_position (v);
-       } else {
-               return (accurate_coefficient_to_dB (v) - lower_db) / range_db;
-       }
-}
-
-double
-Amp::GainControl::interface_to_internal (double v) const
-{
-       if (_desc.type == GainAutomation) {
-               return slider_position_to_gain (v);
-       } else {
-               return dB_to_coefficient (lower_db + v * range_db);
-       }
-}
-
-double
-Amp::GainControl::internal_to_user (double v) const
-{
-       return accurate_coefficient_to_dB (v);
-}
-
-double
-Amp::GainControl::user_to_internal (double u) const
-{
-       return dB_to_coefficient (u);
-}
-
-std::string
-Amp::GainControl::get_user_string () const
-{
-       char theBuf[32]; sprintf( theBuf, _("%3.1f dB"), accurate_coefficient_to_dB (get_value()));
-       return std::string(theBuf);
-}
-
 /** Write gain automation for this cycle into the buffer previously passed in to
  *  set_gain_automation_buffer (if we are in automation playback mode and the
  *  transport is rolling).