X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmonitor_processor.cc;h=56d8f879d62e4e9c9d0135e579c6b3b252921489;hb=a5e8a69dec467cc7d938cc3d92acb218b04486a9;hp=b7ce225f75721d036ff9eeee9030448c3da421a5;hpb=100d7c0f82602f6225537342f6df7dee12479e9d;p=ardour.git diff --git a/libs/ardour/monitor_processor.cc b/libs/ardour/monitor_processor.cc index b7ce225f75..56d8f879d6 100644 --- a/libs/ardour/monitor_processor.cc +++ b/libs/ardour/monitor_processor.cc @@ -1,102 +1,314 @@ +/* + 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/error.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; + } + + std::string type_name; + if (!node.get_property (X_("type"), type_name)) { + error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings have no type information")) + << endmsg; + return -1; + } + + if (type_name != X_("monitor")) { + error << string_compose (X_("programming error: %1"), X_("MonitorProcessor given unknown XML settings")) + << endmsg; + return -1; + } + + uint32_t channels = 0; + if (!node.get_property (X_("channels"), channels)) { + error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing a channel cnt")) + << endmsg; + return -1; + } + + allocate_channels (channels); + + // need to check that these conversions are working as expected + gain_t val; + if (node.get_property (X_("dim-level"), val)) { + _dim_level = val; + } + + if (node.get_property (X_("solo-boost-level"), val)) { + _solo_boost_level = val; + } + + bool bool_val; + if (node.get_property (X_("cut-all"), bool_val)) { + _cut_all = bool_val; + } + + if (node.get_property (X_("dim-all"), bool_val)) { + _dim_all = bool_val; + } + + if (node.get_property (X_("mono"), bool_val)) { + _mono = bool_val; + } + + for (XMLNodeList::const_iterator i = node.children().begin(); i != node.children().end(); ++i) { + + if ((*i)->name() == X_("Channel")) { + + uint32_t chn; + if (!(*i)->get_property (X_("id"), chn)) { + error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing an 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]); + + bool gain_coeff_zero; + if ((*i)->get_property ("cut", gain_coeff_zero)) { + if (gain_coeff_zero) { + cr.cut = GAIN_COEFF_ZERO; + } else { + cr.cut = GAIN_COEFF_UNITY; + } + } + + bool dim; + if ((*i)->get_property ("dim", dim)) { + cr.dim = dim; + } + + bool invert_polarity; + if ((*i)->get_property ("invert", invert_polarity)) { + if (invert_polarity) { + cr.polarity = -1.0f; + } else { + cr.polarity = 1.0f; + } + } + + bool soloed; + if ((*i)->get_property ("solo", soloed)) { + cr.soloed = soloed; + } + } + } + + /* 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) +MonitorProcessor::state () { - XMLNode& node (Processor::state (full)); + XMLNode& node(Processor::state ()); /* this replaces any existing "type" property */ - node.add_property (X_("type"), X_("monitor")); + node.set_property (X_("type"), X_("monitor")); + + node.set_property (X_ ("dim-level"), (float)_dim_level.val ()); + node.set_property (X_ ("solo-boost-level"), (float)_solo_boost_level.val ()); + + node.set_property (X_("cut-all"), _cut_all.val()); + node.set_property (X_("dim-all"), _dim_all.val()); + node.set_property (X_("mono"), _mono.val()); + + node.set_property (X_("channels"), (uint32_t)_channels.size ()); + + XMLNode* chn_node; + uint32_t chn = 0; - return node; + for (vector::const_iterator x = _channels.begin (); x != _channels.end (); + ++x, ++chn) { + chn_node = new XMLNode (X_("Channel")); + + chn_node->set_property ("id", chn); + + // implicitly cast these to bool + chn_node->set_property (X_("cut"), (*x)->cut != GAIN_COEFF_UNITY); + chn_node->set_property (X_("invert"), (*x)->polarity != GAIN_COEFF_UNITY); + chn_node->set_property (X_("dim"), (*x)->dim == true); + chn_node->set_property (X_("solo"), (*x)->soloed == true); + + 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, samplepos_t /*start_sample*/, samplepos_t /*end_sample*/, 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_sample_rate(), nframes, _channels[chn]->current_gain, target_gain); } ++chn; } if (_mono) { + DEBUG_TRACE (DEBUG::Monitor, "mono-izing\n"); + /* chn is now the number of channels, use as a scaling factor when mixing */ - gain_t scale = 1.0/chn; + gain_t scale = 1.f / (float)chn; BufferSet::audio_iterator b = bufs.audio_begin(); AudioBuffer& ab (*b); Sample* buf = ab.data(); /* scale the first channel */ - for (nframes_t n = 0; n < nframes; ++n) { + for (pframes_t n = 0; n < nframes; ++n) { buf[n] *= scale; } @@ -106,7 +318,7 @@ MonitorProcessor::run (BufferSet& bufs, sframes_t /*start_frame*/, sframes_t /*e for (; b != bufs.audio_end(); ++b) { AudioBuffer& ob (*b); Sample* obuf = ob.data (); - for (nframes_t n = 0; n < nframes; ++n) { + for (pframes_t n = 0; n < nframes; ++n) { buf[n] += obuf[n] * scale; } } @@ -126,96 +338,82 @@ MonitorProcessor::run (BufferSet& bufs, sframes_t /*start_frame*/, sframes_t /*e bool MonitorProcessor::configure_io (ChanCount in, ChanCount out) { - uint32_t needed = in.n_audio(); - - while (current_gain.size() > needed) { - current_gain.pop_back (); - _dim.pop_back (); - _cut.pop_back (); - _polarity.pop_back (); - - if (_soloed.back()) { - if (solo_cnt > 0) { - --solo_cnt; - } - } - - _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); - } - + 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) { - solo_cnt++; - } else { - if (solo_cnt > 0) { - solo_cnt--; - } - } + if (solo != _channels[chn]->soloed) { + _channels[chn]->soloed = solo; + + if (solo) { + solo_cnt++; + } else { + if (solo_cnt > 0) { + solo_cnt--; + } + } + } + update_monitor_state (); } void MonitorProcessor::set_mono (bool yn) { - _mono = 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 @@ -224,42 +422,30 @@ MonitorProcessor::display_to_user () const return false; } -void -MonitorProcessor::set_dim_level (gain_t val) -{ - _dim_level = val; -} - -void -MonitorProcessor::set_solo_boost_level (gain_t val) -{ - _solo_boost_level = val; -} - -bool +bool MonitorProcessor::soloed (uint32_t chn) const { - return _soloed[chn]; + return _channels[chn]->soloed; } -bool +bool MonitorProcessor::inverted (uint32_t chn) const { - return _polarity[chn] < 0.0f; + return _channels[chn]->polarity < 0.0f; } -bool +bool MonitorProcessor::cut (uint32_t chn) const { - return _cut[chn] == 0.0f; + return _channels[chn]->cut == GAIN_COEFF_ZERO; } -bool +bool MonitorProcessor::dimmed (uint32_t chn) const { - return _dim[chn]; + return _channels[chn]->dim; } bool @@ -267,3 +453,94 @@ MonitorProcessor::mono () const { return _mono; } + +bool +MonitorProcessor::dim_all () const +{ + return _dim_all; +} + +bool +MonitorProcessor::cut_all () const +{ + return _cut_all; +} + +void +MonitorProcessor::update_monitor_state () +{ + 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) +{ + +}