git-svn-id: svn://localhost/ardour2/branches/3.0@9748 d708f5d6-7413-0410-9779-e7cbd77b26cf
509 lines
15 KiB
C++
509 lines
15 KiB
C++
#include "pbd/convert.h"
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#include "pbd/error.h"
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#include "pbd/locale_guard.h"
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#include "pbd/xml++.h"
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#include "ardour/amp.h"
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#include "ardour/debug.h"
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#include "ardour/audio_buffer.h"
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#include "ardour/monitor_processor.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace std;
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/* specialize for bool because of set_value() semantics */
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namespace ARDOUR {
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template<> void MPControl<bool>::set_value (double v) {
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bool newval = fabs (v) >= 0.5;
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if (newval != _value) {
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_value = newval;
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Changed(); /* EMIT SIGNAL */
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}
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}
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}
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MonitorProcessor::MonitorProcessor (Session& s)
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: Processor (s, X_("MonitorOut"))
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, solo_cnt (0)
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, _dim_all_ptr (new MPControl<bool> (false, _("monitor dim"), Controllable::Toggle))
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, _cut_all_ptr (new MPControl<bool> (false, _("monitor cut"), Controllable::Toggle))
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, _mono_ptr (new MPControl<bool> (false, _("monitor mono"), Controllable::Toggle))
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, _dim_level_ptr (new MPControl<volatile gain_t>
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/* default is -12dB, range is -20dB to 0dB */
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(0.251188635826, _("monitor dim level"), Controllable::Flag (0), 0.100000001490, 1.0))
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, _solo_boost_level_ptr (new MPControl<volatile gain_t>
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/* default is 0dB, range is 0dB to +20dB */
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(1.0, _("monitor solo boost level"), Controllable::Flag (0), 1.0, 10.0))
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, _dim_all_control (_dim_all_ptr)
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, _cut_all_control (_cut_all_ptr)
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, _mono_control (_mono_ptr)
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, _dim_level_control (_dim_level_ptr)
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, _solo_boost_level_control (_solo_boost_level_ptr)
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, _dim_all (*_dim_all_ptr)
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, _cut_all (*_cut_all_ptr)
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, _mono (*_mono_ptr)
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, _dim_level (*_dim_level_ptr)
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, _solo_boost_level (*_solo_boost_level_ptr)
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{
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}
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MonitorProcessor::~MonitorProcessor ()
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{
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allocate_channels (0);
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}
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void
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MonitorProcessor::allocate_channels (uint32_t size)
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{
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while (_channels.size() > size) {
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if (_channels.back()->soloed) {
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if (solo_cnt > 0) {
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--solo_cnt;
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}
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}
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ChannelRecord* cr = _channels.back();
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_channels.pop_back();
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delete cr;
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}
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uint32_t n = _channels.size() + 1;
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while (_channels.size() < size) {
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_channels.push_back (new ChannelRecord (n));
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}
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}
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int
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MonitorProcessor::set_state (const XMLNode& node, int version)
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{
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int ret = Processor::set_state (node, version);
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if (ret != 0) {
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return ret;
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}
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const XMLProperty* prop;
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if ((prop = node.property (X_("type"))) == 0) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings have no type information"))
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<< endmsg;
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return -1;
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}
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if (prop->value() != X_("monitor")) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor given unknown XML settings"))
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<< endmsg;
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return -1;
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}
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if ((prop = node.property (X_("channels"))) == 0) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing a channel cnt"))
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<< endmsg;
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return -1;
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}
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allocate_channels (atoi (prop->value()));
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if ((prop = node.property (X_("dim-level"))) != 0) {
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gain_t val = atof (prop->value());
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_dim_level = val;
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}
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if ((prop = node.property (X_("solo-boost-level"))) != 0) {
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gain_t val = atof (prop->value());
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_solo_boost_level = val;
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}
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if ((prop = node.property (X_("cut-all"))) != 0) {
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bool val = string_is_affirmative (prop->value());
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_cut_all = val;
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}
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if ((prop = node.property (X_("dim-all"))) != 0) {
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bool val = string_is_affirmative (prop->value());
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_dim_all = val;
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}
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if ((prop = node.property (X_("mono"))) != 0) {
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bool val = string_is_affirmative (prop->value());
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_mono = val;
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}
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for (XMLNodeList::const_iterator i = node.children().begin(); i != node.children().end(); ++i) {
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if ((*i)->name() == X_("Channel")) {
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if ((prop = (*i)->property (X_("id"))) == 0) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings are missing an ID"))
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<< endmsg;
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return -1;
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}
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uint32_t chn;
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if (sscanf (prop->value().c_str(), "%u", &chn) != 1) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings has an unreadable channel ID"))
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<< endmsg;
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return -1;
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}
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if (chn >= _channels.size()) {
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error << string_compose (X_("programming error: %1"), X_("MonitorProcessor XML settings has an illegal channel count"))
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<< endmsg;
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return -1;
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}
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ChannelRecord& cr (*_channels[chn]);
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if ((prop = (*i)->property ("cut")) != 0) {
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if (string_is_affirmative (prop->value())){
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cr.cut = 0.0f;
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} else {
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cr.cut = 1.0f;
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}
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}
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if ((prop = (*i)->property ("dim")) != 0) {
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bool val = string_is_affirmative (prop->value());
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cr.dim = val;
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}
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if ((prop = (*i)->property ("invert")) != 0) {
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if (string_is_affirmative (prop->value())) {
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cr.polarity = -1.0f;
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} else {
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cr.polarity = 1.0f;
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}
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}
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if ((prop = (*i)->property ("solo")) != 0) {
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bool val = string_is_affirmative (prop->value());
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cr.soloed = val;
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}
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}
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}
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/* reset solo cnt */
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solo_cnt = 0;
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for (vector<ChannelRecord*>::const_iterator x = _channels.begin(); x != _channels.end(); ++x) {
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if ((*x)->soloed) {
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solo_cnt++;
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}
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}
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return 0;
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}
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XMLNode&
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MonitorProcessor::state (bool full)
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{
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LocaleGuard lg (X_("POSIX"));
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XMLNode& node (Processor::state (full));
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char buf[64];
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/* this replaces any existing "type" property */
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node.add_property (X_("type"), X_("monitor"));
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snprintf (buf, sizeof(buf), "%.12g", _dim_level.val());
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node.add_property (X_("dim-level"), buf);
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snprintf (buf, sizeof(buf), "%.12g", _solo_boost_level.val());
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node.add_property (X_("solo-boost-level"), buf);
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node.add_property (X_("cut-all"), (_cut_all ? "yes" : "no"));
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node.add_property (X_("dim-all"), (_dim_all ? "yes" : "no"));
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node.add_property (X_("mono"), (_mono ? "yes" : "no"));
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uint32_t limit = _channels.size();
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snprintf (buf, sizeof (buf), "%u", limit);
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node.add_property (X_("channels"), buf);
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XMLNode* chn_node;
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uint32_t chn = 0;
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for (vector<ChannelRecord*>::const_iterator x = _channels.begin(); x != _channels.end(); ++x, ++chn) {
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chn_node = new XMLNode (X_("Channel"));
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snprintf (buf, sizeof (buf), "%u", chn);
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chn_node->add_property ("id", buf);
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chn_node->add_property (X_("cut"), (*x)->cut == 1.0f ? "no" : "yes");
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chn_node->add_property (X_("invert"), (*x)->polarity == 1.0f ? "no" : "yes");
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chn_node->add_property (X_("dim"), (*x)->dim ? "yes" : "no");
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chn_node->add_property (X_("solo"), (*x)->soloed ? "yes" : "no");
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node.add_child_nocopy (*chn_node);
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}
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return node;
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}
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void
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MonitorProcessor::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t nframes, bool /*result_required*/)
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{
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uint32_t chn = 0;
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gain_t target_gain;
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gain_t dim_level_this_time = _dim_level;
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gain_t global_cut = (_cut_all ? 0.0f : 1.0f);
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gain_t global_dim = (_dim_all ? dim_level_this_time : 1.0);
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gain_t solo_boost;
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if (_session.listening() || _session.soloing()) {
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solo_boost = _solo_boost_level;
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} else {
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solo_boost = 1.0;
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}
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for (BufferSet::audio_iterator b = bufs.audio_begin(); b != bufs.audio_end(); ++b) {
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/* don't double-scale by both track dim and global dim coefficients */
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gain_t dim_level = (global_dim == 1.0 ? (_channels[chn]->dim ? dim_level_this_time : 1.0) : 1.0);
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if (_channels[chn]->soloed) {
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target_gain = _channels[chn]->polarity * _channels[chn]->cut * dim_level * global_cut * global_dim * solo_boost;
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} else {
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if (solo_cnt == 0) {
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target_gain = _channels[chn]->polarity * _channels[chn]->cut * dim_level * global_cut * global_dim * solo_boost;
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} else {
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target_gain = 0.0;
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}
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}
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if (target_gain != _channels[chn]->current_gain || target_gain != 1.0f) {
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Amp::apply_gain (*b, nframes, _channels[chn]->current_gain, target_gain);
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_channels[chn]->current_gain = target_gain;
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}
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++chn;
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}
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if (_mono) {
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DEBUG_TRACE (DEBUG::Monitor, "mono-izing\n");
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/* chn is now the number of channels, use as a scaling factor when mixing
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*/
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gain_t scale = 1.0/chn;
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BufferSet::audio_iterator b = bufs.audio_begin();
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AudioBuffer& ab (*b);
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Sample* buf = ab.data();
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/* scale the first channel */
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for (pframes_t n = 0; n < nframes; ++n) {
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buf[n] *= scale;
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}
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/* add every other channel into the first channel's buffer */
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++b;
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for (; b != bufs.audio_end(); ++b) {
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AudioBuffer& ob (*b);
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Sample* obuf = ob.data ();
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for (pframes_t n = 0; n < nframes; ++n) {
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buf[n] += obuf[n] * scale;
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}
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}
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/* copy the first channel to every other channel's buffer */
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b = bufs.audio_begin();
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++b;
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for (; b != bufs.audio_end(); ++b) {
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AudioBuffer& ob (*b);
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Sample* obuf = ob.data ();
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memcpy (obuf, buf, sizeof (Sample) * nframes);
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}
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}
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}
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bool
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MonitorProcessor::configure_io (ChanCount in, ChanCount out)
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{
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allocate_channels (in.n_audio());
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return Processor::configure_io (in, out);
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}
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bool
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MonitorProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
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{
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out = in;
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return true;
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}
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void
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MonitorProcessor::set_polarity (uint32_t chn, bool invert)
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{
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if (invert) {
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_channels[chn]->polarity = -1.0f;
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} else {
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_channels[chn]->polarity = 1.0f;
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}
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}
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void
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MonitorProcessor::set_dim (uint32_t chn, bool yn)
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{
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_channels[chn]->dim = yn;
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}
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void
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MonitorProcessor::set_cut (uint32_t chn, bool yn)
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{
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if (yn) {
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_channels[chn]->cut = 0.0f;
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} else {
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_channels[chn]->cut = 1.0f;
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}
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}
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void
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MonitorProcessor::set_solo (uint32_t chn, bool solo)
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{
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if (solo != _channels[chn]->soloed) {
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_channels[chn]->soloed = solo;
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if (solo) {
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solo_cnt++;
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} else {
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if (solo_cnt > 0) {
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solo_cnt--;
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}
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}
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}
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}
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void
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MonitorProcessor::set_mono (bool yn)
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{
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_mono = yn;
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}
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void
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MonitorProcessor::set_cut_all (bool yn)
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{
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_cut_all = yn;
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}
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void
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MonitorProcessor::set_dim_all (bool yn)
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{
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_dim_all = yn;
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}
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bool
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MonitorProcessor::display_to_user () const
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{
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return false;
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}
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bool
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MonitorProcessor::soloed (uint32_t chn) const
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{
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return _channels[chn]->soloed;
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}
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bool
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MonitorProcessor::inverted (uint32_t chn) const
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{
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return _channels[chn]->polarity < 0.0f;
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}
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bool
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MonitorProcessor::cut (uint32_t chn) const
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{
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return _channels[chn]->cut == 0.0f;
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}
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bool
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MonitorProcessor::dimmed (uint32_t chn) const
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{
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return _channels[chn]->dim;
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}
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bool
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MonitorProcessor::mono () const
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{
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return _mono;
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}
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bool
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MonitorProcessor::dim_all () const
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{
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return _dim_all;
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}
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bool
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MonitorProcessor::cut_all () const
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{
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return _cut_all;
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}
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boost::shared_ptr<Controllable>
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MonitorProcessor::channel_cut_control (uint32_t chn) const
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{
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if (chn < _channels.size()) {
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return _channels[chn]->cut_control;
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}
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return boost::shared_ptr<Controllable>();
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}
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boost::shared_ptr<Controllable>
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MonitorProcessor::channel_dim_control (uint32_t chn) const
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{
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if (chn < _channels.size()) {
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return _channels[chn]->dim_control;
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}
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return boost::shared_ptr<Controllable>();
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}
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boost::shared_ptr<Controllable>
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MonitorProcessor::channel_polarity_control (uint32_t chn) const
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{
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if (chn < _channels.size()) {
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return _channels[chn]->polarity_control;
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}
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return boost::shared_ptr<Controllable>();
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}
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boost::shared_ptr<Controllable>
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MonitorProcessor::channel_solo_control (uint32_t chn) const
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{
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if (chn < _channels.size()) {
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return _channels[chn]->soloed_control;
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}
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return boost::shared_ptr<Controllable>();
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}
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MonitorProcessor::ChannelRecord::ChannelRecord (uint32_t chn)
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: current_gain (1.0)
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, cut_ptr (new MPControl<gain_t> (1.0, string_compose (_("cut control %1"), chn), PBD::Controllable::GainLike))
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, dim_ptr (new MPControl<bool> (false, string_compose (_("dim control"), chn), PBD::Controllable::Toggle))
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, polarity_ptr (new MPControl<gain_t> (1.0, string_compose (_("polarity control"), chn), PBD::Controllable::Toggle))
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, soloed_ptr (new MPControl<bool> (false, string_compose (_("solo control"), chn), PBD::Controllable::Toggle))
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, cut_control (cut_ptr)
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, dim_control (dim_ptr)
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, polarity_control (polarity_ptr)
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, soloed_control (soloed_ptr)
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, cut (*cut_ptr)
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, dim (*dim_ptr)
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, polarity (*polarity_ptr)
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, soloed (*soloed_ptr)
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{
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}
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