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much ado about nothing when it comes to gain control

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git-svn-id: svn://localhost/ardour2/branches/3.0@9748 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-06-19 23:02:55 +00:00
parent 182b23e744
commit d5e09076ca
23 changed files with 211 additions and 122 deletions
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24
libs/ardour/monitor_processor.cc
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@ -1,9 +1,9 @@
#include "pbd/convert.h"
#include "pbd/error.h"
#include "pbd/locale_guard.h"
#include "pbd/xml++.h"
#include "ardour/amp.h"
#include "ardour/dB.h"
#include "ardour/debug.h"
#include "ardour/audio_buffer.h"
#include "ardour/monitor_processor.h"
@ -34,10 +34,12 @@ MonitorProcessor::MonitorProcessor (Session& s)
, _dim_all_ptr (new MPControl<bool> (false, _("monitor dim"), Controllable::Toggle))
, _cut_all_ptr (new MPControl<bool> (false, _("monitor cut"), Controllable::Toggle))
, _mono_ptr (new MPControl<bool> (false, _("monitor mono"), Controllable::Toggle))
, _dim_level_ptr (new MPControl<volatile gain_t> /* units in dB */
(-12.0, _("monitor dim level"), Controllable::Flag (0), -20.0f, 0.0f))
, _solo_boost_level_ptr (new MPControl<volatile gain_t> /* units in dB */
(0.0, _("monitor solo boost level"), Controllable::Flag (0), 0.0, 20.0))
, _dim_level_ptr (new MPControl<volatile gain_t>
/* default is -12dB, range is -20dB to 0dB */
(0.251188635826, _("monitor dim level"), Controllable::Flag (0), 0.100000001490, 1.0))
, _solo_boost_level_ptr (new MPControl<volatile gain_t>
/* default is 0dB, range is 0dB to +20dB */
(1.0, _("monitor solo boost level"), Controllable::Flag (0), 1.0, 10.0))
, _dim_all_control (_dim_all_ptr)
, _cut_all_control (_cut_all_ptr)
@ -202,6 +204,7 @@ MonitorProcessor::set_state (const XMLNode& node, int version)
XMLNode&
MonitorProcessor::state (bool full)
{
LocaleGuard lg (X_("POSIX"));
XMLNode& node (Processor::state (full));
char buf[64];
@ -251,12 +254,11 @@ MonitorProcessor::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /
gain_t target_gain;
gain_t dim_level_this_time = _dim_level;
gain_t global_cut = (_cut_all ? 0.0f : 1.0f);
gain_t global_dim = (_dim_all ? dim_level_this_time : 1.0f);
gain_t global_dim = (_dim_all ? dim_level_this_time : 1.0);
gain_t solo_boost;
if (_session.listening() || _session.soloing()) {
/* solo boost controller is in dB */
solo_boost = dB_to_coefficient (_solo_boost_level);
solo_boost = _solo_boost_level;
} else {
solo_boost = 1.0;
}
@ -266,11 +268,7 @@ MonitorProcessor::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /
/* don't double-scale by both track dim and global dim coefficients */
gain_t dim_level = (global_dim == 1.0 ? (_channels[chn]->dim ? dim_level_this_time : 1.0) : 1.0);
/* dim level is in dB */
dim_level = dB_to_coefficient (dim_level);
if (_channels[chn]->soloed) {
target_gain = _channels[chn]->polarity * _channels[chn]->cut * dim_level * global_cut * global_dim * solo_boost;
} else {