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Apply VCA master gain automation to Amp (Fader, Trim)

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This commit is contained in:
Robin Gareus 2017-06-03 13:29:28 +02:00
parent 9581cb26e4
commit 11ba1854b3
3 changed files with 10 additions and 15 deletions
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16
libs/ardour/amp.cc
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@ -392,22 +392,8 @@ Amp::setup_gain_automation (framepos_t start_frame, framepos_t end_frame, framec
&& _gain_control->automation_playback()) && _gain_control->automation_playback())
{ {
assert (_gain_automation_buffer); assert (_gain_automation_buffer);
_apply_gain_automation = _gain_control->list()->curve().rt_safe_get_vector (
start_frame, end_frame, _gain_automation_buffer, nframes);
/* XXX the future requires a way to automate the control master _apply_gain_automation = _gain_control->get_masters_curve ( start_frame, end_frame, _gain_automation_buffer, nframes);
* and merge its own automation vector/curve with this one. We
* don't have a way to do that just yet, so for now, just get
* the master's current gain and scale our own automation
* vector/curve by this value.
*/
if (_gain_control->slaved()) {
const double master_gain = _gain_control->get_masters_value ();
if (master_gain != 1.0) {
apply_gain_to_buffer (_gain_automation_buffer, nframes, master_gain);
}
}
if (start_frame != _current_automation_frame && _session.bounce_processing ()) { if (start_frame != _current_automation_frame && _session.bounce_processing ()) {
_current_gain = _gain_automation_buffer[0]; _current_gain = _gain_automation_buffer[0];

2
libs/ardour/ardour/gain_control.h
View file

@ -45,6 +45,8 @@ class LIBARDOUR_API GainControl : public SlavableAutomationControl {
double user_to_internal (double) const; double user_to_internal (double) const;
std::string get_user_string () const; std::string get_user_string () const;
bool get_masters_curve_locked (framepos_t, framepos_t, float*, framecnt_t) const;
double lower_db; double lower_db;
double range_db; double range_db;

7
libs/ardour/gain_control.cc
View file

@ -21,6 +21,8 @@
#include "pbd/convert.h" #include "pbd/convert.h"
#include "pbd/strsplit.h" #include "pbd/strsplit.h"
#include "evoral/Curve.hpp"
#include "ardour/dB.h" #include "ardour/dB.h"
#include "ardour/gain_control.h" #include "ardour/gain_control.h"
#include "ardour/session.h" #include "ardour/session.h"
@ -100,3 +102,8 @@ GainControl::inc_gain (gain_t factor)
} }
} }
bool
GainControl::get_masters_curve_locked (framepos_t start, framepos_t end, float* vec, framecnt_t veclen) const
{
return SlavableAutomationControl::masters_curve_multiply (start, end, vec, veclen);
}