675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <iostream>
#include <cstring>
#include <cmath>
#include <algorithm>
#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"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
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 _("Fader");
+ set_display_name (name);
+ add_control (_gain_control);
}
bool
return Processor::configure_io (in, out);
}
+static void
+scale_midi_velocity(Evoral::Event<MidiBuffer::TimeType>& ev, float factor)
+{
+ factor = std::max(factor, 0.0f);
+ ev.set_velocity(std::min(127L, lrintf(ev.velocity() * factor)));
+}
+
void
-Amp::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t nframes, bool)
+Amp::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_frame*/, double /*speed*/, pframes_t nframes, bool)
{
if (!_active && !_pending_active) {
return;
for (BufferSet::midi_iterator i = bufs.midi_begin(); i != bufs.midi_end(); ++i) {
MidiBuffer& mb (*i);
for (MidiBuffer::iterator m = mb.begin(); m != mb.end(); ++m) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *m;
+ Evoral::Event<MidiBuffer::TimeType> ev = *m;
if (ev.is_note_on()) {
assert(ev.time() >= 0 && ev.time() < nframes);
- ev.scale_velocity (fabsf (gab[ev.time()]));
+ scale_midi_velocity (ev, fabsf (gab[ev.time()]));
}
}
}
} else { /* manual (scalar) gain */
- gain_t const dg = _gain_control->user_double();
+ gain_t const dg = _gain_control->get_value();
if (_current_gain != dg) {
MidiBuffer& mb (*i);
for (MidiBuffer::iterator m = mb.begin(); m != mb.end(); ++m) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *m;
+ Evoral::Event<MidiBuffer::TimeType> ev = *m;
if (ev.is_note_on()) {
- ev.scale_velocity (fabsf (_current_gain));
+ scale_midi_velocity (ev, fabsf (_current_gain));
}
}
}
MidiBuffer& mb (*i);
for (MidiBuffer::iterator m = mb.begin(); m != mb.end(); ++m) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *m;
+ Evoral::Event<MidiBuffer::TimeType> ev = *m;
if (ev.is_note_on()) {
const gain_t scale = delta * (ev.time()/(double) nframes);
- ev.scale_velocity (fabsf (initial+scale));
+ scale_midi_velocity (ev, fabsf (initial + scale));
}
}
}
MidiBuffer& mb (*i);
for (MidiBuffer::iterator m = mb.begin(); m != mb.end(); ++m) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *m;
+ Evoral::Event<MidiBuffer::TimeType> ev = *m;
if (ev.is_note_on()) {
ev.set_velocity (0);
}
MidiBuffer& mb (*i);
for (MidiBuffer::iterator m = mb.begin(); m != mb.end(); ++m) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *m;
+ Evoral::Event<MidiBuffer::TimeType> ev = *m;
if (ev.is_note_on()) {
- ev.scale_velocity (fabsf (target));
+ scale_midi_velocity(ev, fabsf (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.set_property("type", _gain_control->parameter().type() == GainAutomation ? "amp" : "trim");
+ node.add_child_nocopy (_gain_control->get_state());
return node;
}
int
Amp::set_state (const XMLNode& node, int version)
{
- XMLNode* gain_node;
+ XMLNode* gain_node;
Processor::set_state (node, version);
- if ((gain_node = node.child (Controllable::xml_node_name.c_str())) != 0) {
- _gain_control->set_state (*gain_node, 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;
+ if ((gain_node = node.child (Controllable::xml_node_name.c_str ())) != 0) {
+ _gain_control->set_state (*gain_node, version);
}
-}
-
-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);
+ return 0;
}
/** Write gain automation for this cycle into the buffer previously passed in to
&& _gain_control->automation_playback())
{
assert (_gain_automation_buffer);
- _apply_gain_automation = _gain_control->list()->curve().rt_safe_get_vector (
- start_frame, end_frame, _gain_automation_buffer, nframes);
- if (start_frame != _current_automation_frame) {
+
+ _apply_gain_automation = _gain_control->get_masters_curve ( start_frame, end_frame, _gain_automation_buffer, nframes);
+
+ if (start_frame != _current_automation_frame && _session.bounce_processing ()) {
_current_gain = _gain_automation_buffer[0];
}
_current_automation_frame = end_frame;
}
std::string
-Amp::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+Amp::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
{
if (ac == _gain_control) {
char buffer[32];
projects / ardour.git / blobdiff