441 lines
13 KiB
C++
441 lines
13 KiB
C++
#include "pbd/convert.h"
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#include "pbd/error.h"
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#include "pbd/xml++.h"
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#include "ardour/amp.h"
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#include "ardour/dB.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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MonitorProcessor::MonitorProcessor (Session& s)
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: Processor (s, X_("MonitorOut"))
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{
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solo_cnt = 0;
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_cut_all = false;
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_dim_all = false;
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_dim_level = 0.2;
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_solo_boost_level = 1.0;
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}
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MonitorProcessor::MonitorProcessor (Session& s, const XMLNode& node)
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: Processor (s, node)
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{
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set_state (node, Stateful::loading_state_version);
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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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_channels.pop_back();
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}
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while (_channels.size() < size) {
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_channels.push_back (ChannelRecord());
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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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double 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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double 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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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);
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node.add_property (X_("dim-level"), buf);
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snprintf (buf, sizeof(buf), "%.12g", _solo_boost_level);
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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 == 1.0 ? "no" : "yes");
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chn_node->add_property (X_("invert"), x->polarity == 1.0 ? "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, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_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 : 1.0f);
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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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DEBUG_TRACE (DEBUG::Monitor,
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string_compose("channel %1 sb %2 gc %3 gd %4 cd %5 dl %6 cp %7 cc %8 cs %9 sc %10 TG %11\n",
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chn,
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solo_boost,
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global_cut,
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global_dim,
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_channels[chn].dim,
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dim_level,
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_channels[chn].polarity,
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_channels[chn].cut,
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_channels[chn].soloed,
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solo_cnt,
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target_gain));
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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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/* 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 (nframes_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 (nframes_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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return in == out;
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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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void
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MonitorProcessor::set_dim_level (gain_t val)
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{
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_dim_level = val;
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}
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void
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MonitorProcessor::set_solo_boost_level (gain_t val)
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{
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_solo_boost_level = val;
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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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