X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmonitor_processor.cc;h=811d5a15b34effa8d61a8fc46d5df4dfc659355d;hb=68b78ac3578be2acdbba4badad642e144c01cfec;hp=b0de25f92bc5831d1b6fbcb2408c2d3056c3b7e3;hpb=325671e20afa56f5c796d14ce9bb76146a232f0b;p=ardour.git diff --git a/libs/ardour/monitor_processor.cc b/libs/ardour/monitor_processor.cc index b0de25f92b..811d5a15b3 100644 --- a/libs/ardour/monitor_processor.cc +++ b/libs/ardour/monitor_processor.cc @@ -1,178 +1,432 @@ +/* + 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" +#include "pbd/i18n.h" using namespace ARDOUR; +using namespace PBD; using namespace std; +/* specialize for bool because of set_value() semantics */ + +namespace ARDOUR { + template<> void MPControl::set_value (double v, PBD::Controllable::GroupControlDisposition gcd) { + bool newval = fabs (v) >= 0.5; + if (newval != _value) { + _value = newval; + Changed (true, gcd); /* EMIT SIGNAL */ + } + } +} + MonitorProcessor::MonitorProcessor (Session& s) : Processor (s, X_("MonitorOut")) + , solo_cnt (0) + , _monitor_active (false) + + , _dim_all_ptr (new MPControl (false, _("monitor dim"), Controllable::Toggle)) + , _cut_all_ptr (new MPControl (false, _("monitor cut"), Controllable::Toggle)) + , _mono_ptr (new MPControl (false, _("monitor mono"), Controllable::Toggle)) + , _dim_level_ptr (new MPControl + /* 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 + /* 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; + } + + XMLProperty const * 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 = GAIN_COEFF_ZERO; + } else { + cr.cut = GAIN_COEFF_UNITY; + } + } + + 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::const_iterator x = _channels.begin(); x != _channels.end(); ++x) { + if ((*x)->soloed) { + solo_cnt++; + } + } + + update_monitor_state (); + return 0; } XMLNode& MonitorProcessor::state (bool full) { + LocaleGuard lg; 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::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 == GAIN_COEFF_UNITY ? "no" : "yes"); + chn_node->add_property (X_("invert"), (*x)->polarity == GAIN_COEFF_UNITY ? "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*/, double /*speed*/, 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_cut = (_cut_all ? GAIN_COEFF_ZERO : GAIN_COEFF_UNITY); + gain_t global_dim = (_dim_all ? dim_level_this_time : GAIN_COEFF_UNITY); gain_t solo_boost; if (_session.listening() || _session.soloing()) { solo_boost = _solo_boost_level; } else { - solo_boost = 1.0; + solo_boost = GAIN_COEFF_UNITY; } for (BufferSet::audio_iterator b = bufs.audio_begin(); b != bufs.audio_end(); ++b) { /* 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); + gain_t dim_level = (global_dim == GAIN_COEFF_UNITY ? (_channels[chn]->dim ? dim_level_this_time : GAIN_COEFF_UNITY) : GAIN_COEFF_UNITY); - if (_soloed[chn]) { - target_gain = _polarity[chn] * _cut[chn] * dim_level * global_cut * global_dim * solo_boost; + 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; + target_gain = GAIN_COEFF_ZERO; } } - if (target_gain != current_gain[chn] || target_gain != 1.0f) { + if (target_gain != _channels[chn]->current_gain || target_gain != GAIN_COEFF_UNITY) { - Amp::apply_gain (*b, nframes, current_gain[chn], target_gain); - current_gain[chn] = target_gain; + _channels[chn]->current_gain = Amp::apply_gain (*b, _session.nominal_frame_rate(), nframes, _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.f / (float)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 -MonitorProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out) const +bool +MonitorProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out) { - return in == out; + out = in; + return true; } void MonitorProcessor::set_polarity (uint32_t chn, bool invert) { - if (invert) { - _polarity[chn] = -1.0f; - } else { - _polarity[chn] = 1.0f; - } -} + if (invert) { + _channels[chn]->polarity = -1.0f; + } else { + _channels[chn]->polarity = 1.0f; + } + update_monitor_state (); +} void MonitorProcessor::set_dim (uint32_t chn, bool yn) { - _dim[chn] = yn; + _channels[chn]->dim = yn; + update_monitor_state (); } void MonitorProcessor::set_cut (uint32_t chn, bool yn) { - if (yn) { - _cut[chn] = 0.0f; - } else { - _cut[chn] = 1.0f; - } + if (yn) { + _channels[chn]->cut = GAIN_COEFF_ZERO; + } else { + _channels[chn]->cut = GAIN_COEFF_UNITY; + } + update_monitor_state (); } 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--; + } + } + } + update_monitor_state (); +} - if (solo) { - solo_cnt++; - } else { - if (solo_cnt > 0) { - solo_cnt--; - } - } +void +MonitorProcessor::set_mono (bool yn) +{ + _mono = yn; + update_monitor_state (); } void MonitorProcessor::set_cut_all (bool yn) { - _cut_all = yn; + _cut_all = yn; + update_monitor_state (); } void MonitorProcessor::set_dim_all (bool yn) { - _dim_all = yn; + _dim_all = yn; + update_monitor_state (); } bool @@ -181,41 +435,125 @@ MonitorProcessor::display_to_user () const 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 == GAIN_COEFF_ZERO; } +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 +void +MonitorProcessor::update_monitor_state () { - return _dim[chn]; + bool en = false; + + if (_cut_all || _dim_all || _mono) { + en = true; + } + + const uint32_t nchans = _channels.size(); + for (uint32_t i = 0; i < nchans && !en; ++i) { + if (cut (i) || dimmed (i) || soloed (i) || inverted (i)) { + en = true; + break; + } + } + + if (_monitor_active != en) { + _monitor_active = en; + _session.MonitorChanged(); + } } +boost::shared_ptr +MonitorProcessor::channel_cut_control (uint32_t chn) const +{ + if (chn < _channels.size()) { + return _channels[chn]->cut_control; + } + return boost::shared_ptr(); +} + +boost::shared_ptr +MonitorProcessor::channel_dim_control (uint32_t chn) const +{ + if (chn < _channels.size()) { + return _channels[chn]->dim_control; + } + return boost::shared_ptr(); +} + +boost::shared_ptr +MonitorProcessor::channel_polarity_control (uint32_t chn) const +{ + if (chn < _channels.size()) { + return _channels[chn]->polarity_control; + } + return boost::shared_ptr(); +} + +boost::shared_ptr +MonitorProcessor::channel_solo_control (uint32_t chn) const +{ + if (chn < _channels.size()) { + return _channels[chn]->soloed_control; + } + return boost::shared_ptr(); +} + +MonitorProcessor::ChannelRecord::ChannelRecord (uint32_t chn) + : current_gain (GAIN_COEFF_UNITY) + , cut_ptr (new MPControl (1.0, string_compose (_("cut control %1"), chn), PBD::Controllable::GainLike)) + , dim_ptr (new MPControl (false, string_compose (_("dim control"), chn), PBD::Controllable::Toggle)) + , polarity_ptr (new MPControl (1.0, string_compose (_("polarity control"), chn), PBD::Controllable::Toggle, -1, 1)) + , soloed_ptr (new MPControl (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) +{ + +}