set fader and plugin parameter automation curve default values - what else needs...

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

diff --git a/libs/ardour/ardour/amp.h b/libs/ardour/ardour/amp.h
index e5a4c189e98700e843f0912f150bc9e5d1c7553a..46dbdba22711fde58526b76e40e8515a6802abe2 100644 (file)
--- a/libs/ardour/ardour/amp.h
+++ b/libs/ardour/ardour/amp.h
@@ -1,16 +1,16 @@
 /*
-    Copyright (C) 2006 Paul Davis 
-    
+    Copyright (C) 2006 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.
@@ -19,23 +19,100 @@
 #ifndef __ardour_amp_h__
 #define __ardour_amp_h__
 
-#include <ardour/types.h>
+#include "ardour/types.h"
+#include "ardour/chan_count.h"
+#include "ardour/processor.h"
+#include "ardour/automation_control.h"
 
 namespace ARDOUR {
 
 class BufferSet;
-
+class IO;
 
 /** Applies a declick operation to all audio inputs, passing the same number of
  * audio outputs, and passing through any other types unchanged.
- *
- * FIXME: make this an insert.
  */
-class Amp {
+class Amp : public Processor {
 public:
-       static void run (BufferSet& bufs, nframes_t nframes, gain_t initial, gain_t target, bool invert_polarity);
+       Amp(Session& s);
+
+       std::string display_name() const;
+
+       bool visible () const;
+
+       bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
+       bool configure_io (ChanCount in, ChanCount out);
+
+       void run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
+
+       bool apply_gain () const  { return _apply_gain; }
+       void apply_gain (bool yn) { _apply_gain = yn; }
+
+       void set_gain_automation_buffer (gain_t *);
+
+       void setup_gain_automation (framepos_t start_frame, framepos_t end_frame, framecnt_t nframes);
+
+       bool apply_gain_automation() const  { return _apply_gain_automation; }
+       void apply_gain_automation(bool yn) { _apply_gain_automation = yn; }
+
+       XMLNode& state (bool full);
+       int set_state (const XMLNode&, int version);
+
+       static void apply_gain (BufferSet& bufs, framecnt_t nframes, gain_t initial, gain_t target);
+       static void apply_simple_gain(BufferSet& bufs, framecnt_t nframes, gain_t target);
+
+       static void apply_gain (AudioBuffer& buf, framecnt_t nframes, gain_t initial, gain_t target);
+       static void apply_simple_gain(AudioBuffer& buf, framecnt_t nframes, gain_t target);
+
+       static void declick (BufferSet& bufs, framecnt_t nframes, int dir);
+
+       gain_t         gain () const { return _gain_control->get_value(); }
+
+       void           set_gain (gain_t g, void *src);
+       void           inc_gain (gain_t delta, void *src);
+
+       static void update_meters();
+
+       /* automation */
+
+       struct GainControl : public AutomationControl {
+               GainControl (std::string name, Session& session, Amp* a, const Evoral::Parameter &param,
+                               boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>() )
+                       : AutomationControl (session, param, al, name)
+                       , _amp (a) {
+                       set_flags (Controllable::Flag (flags() | Controllable::GainLike));
+                       alist()->reset_default (1.0);
+               }
+
+               void set_value (double val);
+
+               double internal_to_interface (double) const;
+               double interface_to_internal (double) const;
+               double internal_to_user (double) const;
+
+               Amp* _amp;
+       };
+
+       boost::shared_ptr<GainControl> gain_control() {
+               return _gain_control;
+       }
+
+       boost::shared_ptr<const GainControl> gain_control() const {
+               return _gain_control;
+       }
+
+       std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
+       
+private:
+       bool   _denormal_protection;
+       bool   _apply_gain;
+       bool   _apply_gain_automation;
+       float  _current_gain;
+
+       boost::shared_ptr<GainControl> _gain_control;
 
-       static void apply_simple_gain(BufferSet& bufs, nframes_t nframes, gain_t target);
+       /** Buffer that we should use for gain automation */
+       gain_t* _gain_automation_buffer;
 };