+/*
+ Copyright (C) 2010 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.
+
+*/
+
+#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"
#include "ardour/session.h"
#include "i18n.h"
using namespace ARDOUR;
+using namespace PBD;
using namespace std;
+/* specialize for bool because of set_value() semantics */
+
+namespace ARDOUR {
+ template<> void MPControl<bool>::set_value (double v) {
+ bool newval = fabs (v) >= 0.5;
+ if (newval != _value) {
+ _value = newval;
+ Changed(); /* EMIT SIGNAL */
+ }
+ }
+}
+
MonitorProcessor::MonitorProcessor (Session& s)
: Processor (s, X_("MonitorOut"))
+ , solo_cnt (0)
+
+ , _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>
+ /* default is -12dB, range is -20dB to 0dB */
+ (dB_to_coefficient(-12.0), _("monitor dim level"), Controllable::Flag (0),
+ dB_to_coefficient(-20.0), dB_to_coefficient (0.0)))
+ , _solo_boost_level_ptr (new MPControl<volatile gain_t>
+ /* default is 0dB, range is 0dB to +20dB */
+ (dB_to_coefficient(0.0), _("monitor solo boost level"), Controllable::Flag (0),
+ dB_to_coefficient(0.0), dB_to_coefficient(10.0)))
+ , _dim_all_control (_dim_all_ptr)
+ , _cut_all_control (_cut_all_ptr)
+ , _mono_control (_mono_ptr)
+ , _dim_level_control (_dim_level_ptr)
+ , _solo_boost_level_control (_solo_boost_level_ptr)
+
+ , _dim_all (*_dim_all_ptr)
+ , _cut_all (*_cut_all_ptr)
+ , _mono (*_mono_ptr)
+ , _dim_level (*_dim_level_ptr)
+ , _solo_boost_level (*_solo_boost_level_ptr)
+
{
- solo_cnt = 0;
- _cut_all = false;
- _dim_all = false;
- _dim_level = 0.2;
- _solo_boost_level = 1.0;
}
-MonitorProcessor::MonitorProcessor (Session& s, const XMLNode& node)
- : Processor (s, node)
+MonitorProcessor::~MonitorProcessor ()
{
- set_state (node, Stateful::loading_state_version);
+ allocate_channels (0);
+}
+
+void
+MonitorProcessor::allocate_channels (uint32_t size)
+{
+ while (_channels.size() > size) {
+ if (_channels.back()->soloed) {
+ if (solo_cnt > 0) {
+ --solo_cnt;
+ }
+ }
+ ChannelRecord* cr = _channels.back();
+ _channels.pop_back();
+ delete cr;
+ }
+
+ uint32_t n = _channels.size() + 1;
+
+ while (_channels.size() < size) {
+ _channels.push_back (new ChannelRecord (n));
+ }
}
int
MonitorProcessor::set_state (const XMLNode& node, int version)
{
- return Processor::set_state (node, version);
+ int ret = Processor::set_state (node, version);
+
+ if (ret != 0) {
+ return ret;
+ }
+
+ const XMLProperty* prop;
+
+ if ((prop = node.property (X_("type"))) == 0) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings have no type information"))
+ << endmsg;
+ return -1;
+ }
+
+ if (prop->value() != X_("monitor")) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor given unknown XML settings"))
+ << endmsg;
+ return -1;
+ }
+
+ if ((prop = node.property (X_("channels"))) == 0) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing a channel cnt"))
+ << endmsg;
+ return -1;
+ }
+
+ allocate_channels (atoi (prop->value()));
+
+ if ((prop = node.property (X_("dim-level"))) != 0) {
+ gain_t val = atof (prop->value());
+ _dim_level = val;
+ }
+
+ if ((prop = node.property (X_("solo-boost-level"))) != 0) {
+ gain_t val = atof (prop->value());
+ _solo_boost_level = val;
+ }
+
+ if ((prop = node.property (X_("cut-all"))) != 0) {
+ bool val = string_is_affirmative (prop->value());
+ _cut_all = val;
+ }
+ if ((prop = node.property (X_("dim-all"))) != 0) {
+ bool val = string_is_affirmative (prop->value());
+ _dim_all = val;
+ }
+ if ((prop = node.property (X_("mono"))) != 0) {
+ bool val = string_is_affirmative (prop->value());
+ _mono = val;
+ }
+
+ for (XMLNodeList::const_iterator i = node.children().begin(); i != node.children().end(); ++i) {
+
+ if ((*i)->name() == X_("Channel")) {
+ if ((prop = (*i)->property (X_("id"))) == 0) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing an ID"))
+ << endmsg;
+ return -1;
+ }
+
+ uint32_t chn;
+
+ if (sscanf (prop->value().c_str(), "%u", &chn) != 1) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings has an unreadable channel ID"))
+ << endmsg;
+ return -1;
+ }
+
+ if (chn >= _channels.size()) {
+ error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings has an illegal channel count"))
+ << endmsg;
+ return -1;
+ }
+ ChannelRecord& cr (*_channels[chn]);
+
+ if ((prop = (*i)->property ("cut")) != 0) {
+ if (string_is_affirmative (prop->value())){
+ cr.cut = 0.0f;
+ } else {
+ cr.cut = 1.0f;
+ }
+ }
+
+ if ((prop = (*i)->property ("dim")) != 0) {
+ bool val = string_is_affirmative (prop->value());
+ cr.dim = val;
+ }
+
+ if ((prop = (*i)->property ("invert")) != 0) {
+ if (string_is_affirmative (prop->value())) {
+ cr.polarity = -1.0f;
+ } else {
+ cr.polarity = 1.0f;
+ }
+ }
+
+ if ((prop = (*i)->property ("solo")) != 0) {
+ bool val = string_is_affirmative (prop->value());
+ cr.soloed = val;
+ }
+ }
+ }
+
+ /* reset solo cnt */
+
+ solo_cnt = 0;
+
+ for (vector<ChannelRecord*>::const_iterator x = _channels.begin(); x != _channels.end(); ++x) {
+ if ((*x)->soloed) {
+ solo_cnt++;
+ }
+ }
+
+ return 0;
}
XMLNode&
MonitorProcessor::state (bool full)
{
+ LocaleGuard lg (X_("POSIX"));
XMLNode& node (Processor::state (full));
+ char buf[64];
/* this replaces any existing "type" property */
node.add_property (X_("type"), X_("monitor"));
+ snprintf (buf, sizeof(buf), "%.12g", _dim_level.val());
+ node.add_property (X_("dim-level"), buf);
+
+ snprintf (buf, sizeof(buf), "%.12g", _solo_boost_level.val());
+ node.add_property (X_("solo-boost-level"), buf);
+
+ node.add_property (X_("cut-all"), (_cut_all ? "yes" : "no"));
+ node.add_property (X_("dim-all"), (_dim_all ? "yes" : "no"));
+ node.add_property (X_("mono"), (_mono ? "yes" : "no"));
+
+ uint32_t limit = _channels.size();
+
+ snprintf (buf, sizeof (buf), "%u", limit);
+ node.add_property (X_("channels"), buf);
+
+ XMLNode* chn_node;
+ uint32_t chn = 0;
+
+ for (vector<ChannelRecord*>::const_iterator x = _channels.begin(); x != _channels.end(); ++x, ++chn) {
+ chn_node = new XMLNode (X_("Channel"));
+
+ snprintf (buf, sizeof (buf), "%u", chn);
+ chn_node->add_property ("id", buf);
+
+ chn_node->add_property (X_("cut"), (*x)->cut == 1.0f ? "no" : "yes");
+ chn_node->add_property (X_("invert"), (*x)->polarity == 1.0f ? "no" : "yes");
+ chn_node->add_property (X_("dim"), (*x)->dim ? "yes" : "no");
+ chn_node->add_property (X_("solo"), (*x)->soloed ? "yes" : "no");
+
+ node.add_child_nocopy (*chn_node);
+ }
+
return node;
}
void
-MonitorProcessor::run (BufferSet& bufs, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_t nframes, bool /*result_required*/)
+MonitorProcessor::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t nframes, bool /*result_required*/)
{
uint32_t chn = 0;
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()) {
/* don't double-scale by both track dim and global dim coefficients */
- gain_t dim_level = (global_dim == 1.0 ? (_dim[chn] ? dim_level_this_time : 1.0) : 1.0);
-
- if (_soloed[chn]) {
- target_gain = _polarity[chn] * _cut[chn] * dim_level * global_cut * global_dim * solo_boost;
+ gain_t dim_level = (global_dim == 1.0 ? (_channels[chn]->dim ? dim_level_this_time : 1.0) : 1.0);
+
+ if (_channels[chn]->soloed) {
+ target_gain = _channels[chn]->polarity * _channels[chn]->cut * dim_level * global_cut * global_dim * solo_boost;
} else {
if (solo_cnt == 0) {
- target_gain = _polarity[chn] * _cut[chn] * dim_level * global_cut * global_dim * solo_boost;
+ target_gain = _channels[chn]->polarity * _channels[chn]->cut * dim_level * global_cut * global_dim * solo_boost;
} else {
target_gain = 0.0;
}
}
- if (target_gain != current_gain[chn] || target_gain != 1.0f) {
+ if (target_gain != _channels[chn]->current_gain || target_gain != 1.0f) {
- Amp::apply_gain (*b, nframes, current_gain[chn], target_gain);
- current_gain[chn] = target_gain;
+ Amp::apply_gain (*b, nframes, _channels[chn]->current_gain, target_gain);
+ _channels[chn]->current_gain = target_gain;
}
++chn;
}
-}
-bool
-MonitorProcessor::configure_io (ChanCount in, ChanCount out)
-{
- uint32_t needed = in.n_audio();
+ if (_mono) {
+ DEBUG_TRACE (DEBUG::Monitor, "mono-izing\n");
- while (current_gain.size() > needed) {
- current_gain.pop_back ();
- _dim.pop_back ();
- _cut.pop_back ();
- _polarity.pop_back ();
+ /* chn is now the number of channels, use as a scaling factor when mixing
+ */
+ gain_t scale = 1.0/chn;
+ BufferSet::audio_iterator b = bufs.audio_begin();
+ AudioBuffer& ab (*b);
+ Sample* buf = ab.data();
- if (_soloed.back()) {
- if (solo_cnt > 0) {
- --solo_cnt;
+ /* scale the first channel */
+
+ for (pframes_t n = 0; n < nframes; ++n) {
+ buf[n] *= scale;
+ }
+
+ /* add every other channel into the first channel's buffer */
+
+ ++b;
+ for (; b != bufs.audio_end(); ++b) {
+ AudioBuffer& ob (*b);
+ Sample* obuf = ob.data ();
+ for (pframes_t n = 0; n < nframes; ++n) {
+ buf[n] += obuf[n] * scale;
}
}
- _soloed.pop_back ();
- }
-
- while (current_gain.size() < needed) {
- current_gain.push_back (1.0);
- _dim.push_back (false);
- _cut.push_back (1.0);
- _polarity.push_back (1.0);
- _soloed.push_back (false);
+ /* copy the first channel to every other channel's buffer */
+
+ b = bufs.audio_begin();
+ ++b;
+ for (; b != bufs.audio_end(); ++b) {
+ AudioBuffer& ob (*b);
+ Sample* obuf = ob.data ();
+ memcpy (obuf, buf, sizeof (Sample) * nframes);
+ }
}
+}
+bool
+MonitorProcessor::configure_io (ChanCount in, ChanCount out)
+{
+ allocate_channels (in.n_audio());
return Processor::configure_io (in, out);
}
-bool
+bool
MonitorProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
{
- return in == out;
+ out = in;
+ return true;
}
void
MonitorProcessor::set_polarity (uint32_t chn, bool invert)
{
if (invert) {
- _polarity[chn] = -1.0f;
+ _channels[chn]->polarity = -1.0f;
} else {
- _polarity[chn] = 1.0f;
+ _channels[chn]->polarity = 1.0f;
}
-}
+}
void
MonitorProcessor::set_dim (uint32_t chn, bool yn)
{
- _dim[chn] = yn;
+ _channels[chn]->dim = yn;
}
void
MonitorProcessor::set_cut (uint32_t chn, bool yn)
{
if (yn) {
- _cut[chn] = 0.0f;
+ _channels[chn]->cut = 0.0f;
} else {
- _cut[chn] = 1.0f;
+ _channels[chn]->cut = 1.0f;
}
}
void
MonitorProcessor::set_solo (uint32_t chn, bool solo)
{
- _soloed[chn] = solo;
+ if (solo != _channels[chn]->soloed) {
+ _channels[chn]->soloed = solo;
- if (solo) {
- solo_cnt++;
- } else {
- if (solo_cnt > 0) {
- solo_cnt--;
+ if (solo) {
+ solo_cnt++;
+ } else {
+ if (solo_cnt > 0) {
+ solo_cnt--;
+ }
}
}
}
+void
+MonitorProcessor::set_mono (bool yn)
+{
+ _mono = yn;
+}
+
void
MonitorProcessor::set_cut_all (bool yn)
{
return false;
}
-void
-MonitorProcessor::set_dim_level (gain_t val)
+bool
+MonitorProcessor::soloed (uint32_t chn) const
{
- _dim_level = val;
+ return _channels[chn]->soloed;
}
-void
-MonitorProcessor::set_solo_boost_level (gain_t val)
+
+bool
+MonitorProcessor::inverted (uint32_t chn) const
{
- _solo_boost_level = val;
+ return _channels[chn]->polarity < 0.0f;
}
-bool
-MonitorProcessor::soloed (uint32_t chn) const
+
+bool
+MonitorProcessor::cut (uint32_t chn) const
{
- return _soloed[chn];
+ return _channels[chn]->cut == 0.0f;
}
+bool
+MonitorProcessor::dimmed (uint32_t chn) const
+{
+ return _channels[chn]->dim;
+}
-bool
-MonitorProcessor::inverted (uint32_t chn) const
+bool
+MonitorProcessor::mono () const
{
- return _polarity[chn] < 0.0f;
+ return _mono;
}
+bool
+MonitorProcessor::dim_all () const
+{
+ return _dim_all;
+}
-bool
-MonitorProcessor::cut (uint32_t chn) const
+bool
+MonitorProcessor::cut_all () const
{
- return _cut[chn] == 0.0f;
+ return _cut_all;
}
-bool
-MonitorProcessor::dimmed (uint32_t chn) const
+boost::shared_ptr<Controllable>
+MonitorProcessor::channel_cut_control (uint32_t chn) const
+{
+ if (chn < _channels.size()) {
+ return _channels[chn]->cut_control;
+ }
+ return boost::shared_ptr<Controllable>();
+}
+
+boost::shared_ptr<Controllable>
+MonitorProcessor::channel_dim_control (uint32_t chn) const
+{
+ if (chn < _channels.size()) {
+ return _channels[chn]->dim_control;
+ }
+ return boost::shared_ptr<Controllable>();
+}
+
+boost::shared_ptr<Controllable>
+MonitorProcessor::channel_polarity_control (uint32_t chn) const
{
- return _dim[chn];
+ if (chn < _channels.size()) {
+ return _channels[chn]->polarity_control;
+ }
+ return boost::shared_ptr<Controllable>();
}
+boost::shared_ptr<Controllable>
+MonitorProcessor::channel_solo_control (uint32_t chn) const
+{
+ if (chn < _channels.size()) {
+ return _channels[chn]->soloed_control;
+ }
+ return boost::shared_ptr<Controllable>();
+}
+
+MonitorProcessor::ChannelRecord::ChannelRecord (uint32_t chn)
+ : current_gain (1.0)
+ , cut_ptr (new MPControl<gain_t> (1.0, string_compose (_("cut control %1"), chn), PBD::Controllable::GainLike))
+ , dim_ptr (new MPControl<bool> (false, string_compose (_("dim control"), chn), PBD::Controllable::Toggle))
+ , polarity_ptr (new MPControl<gain_t> (1.0, string_compose (_("polarity control"), chn), PBD::Controllable::Toggle, -1, 1))
+ , soloed_ptr (new MPControl<bool> (false, string_compose (_("solo control"), chn), PBD::Controllable::Toggle))
+
+ , cut_control (cut_ptr)
+ , dim_control (dim_ptr)
+ , polarity_control (polarity_ptr)
+ , soloed_control (soloed_ptr)
+
+ , cut (*cut_ptr)
+ , dim (*dim_ptr)
+ , polarity (*polarity_ptr)
+ , soloed (*soloed_ptr)
+{
+
+}