140670541f
Regular .h files *should* be self-contained and independent of previous includes and guarded to only include once. Make it clear which files that *doesn't* apply for at all.
291 lines
8.6 KiB
C++
291 lines
8.6 KiB
C++
/*
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* Copyright (C) 2020-2021 Luciano Iam <oss@lucianoiam.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ardour/plugin_insert.h"
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#include "ardour/session.h"
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#include "ardour/tempo.h"
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#include "pbd/abstract_ui.inc.cc" // instantiate template
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#include "feedback.h"
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#include "transport.h"
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#include "server.h"
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#include "state.h"
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// TO DO: make this configurable
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#define POLL_INTERVAL_MS 100
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using namespace ARDOUR;
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using namespace ArdourSurface;
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struct TransportObserver {
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void operator() (ArdourFeedback* p)
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{
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p->update_all (Node::transport_roll, p->transport ().roll ());
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}
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};
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struct RecordStateObserver {
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void operator() (ArdourFeedback* p)
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{
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p->update_all (Node::transport_record, p->transport ().record ());
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}
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};
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struct TempoObserver {
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void operator() (ArdourFeedback* p)
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{
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p->update_all (Node::transport_tempo, p->transport ().tempo ());
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}
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};
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struct StripGainObserver {
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void operator() (ArdourFeedback* p, uint32_t strip_id)
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{
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// fires multiple times (4x as of ardour 6.0)
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p->update_all (Node::strip_gain, strip_id, p->mixer ().strip (strip_id).gain ());
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}
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};
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struct StripPanObserver {
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void operator() (ArdourFeedback* p, uint32_t strip_id)
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{
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p->update_all (Node::strip_pan, strip_id, p->mixer ().strip (strip_id).pan ());
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}
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};
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struct StripMuteObserver {
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void operator() (ArdourFeedback* p, uint32_t strip_id)
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{
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p->update_all (Node::strip_mute, strip_id, p->mixer ().strip (strip_id).mute ());
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}
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};
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struct PluginBypassObserver {
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void operator() (ArdourFeedback* p, uint32_t strip_id, uint32_t plugin_id)
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{
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p->update_all (Node::strip_plugin_enable, strip_id, plugin_id,
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p->mixer ().strip (strip_id).plugin (plugin_id).enabled ());
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}
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};
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struct PluginParamValueObserver {
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void operator() (ArdourFeedback* p, uint32_t strip_id, uint32_t plugin_id,
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uint32_t param_id, std::weak_ptr<AutomationControl> ctrl)
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{
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std::shared_ptr<AutomationControl> control = ctrl.lock ();
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if (!control) {
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return;
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}
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p->update_all (Node::strip_plugin_param_value, strip_id, plugin_id, param_id,
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ArdourMixerPlugin::param_value (control));
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}
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};
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FeedbackHelperUI::FeedbackHelperUI()
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: AbstractUI<BaseUI::BaseRequestObject> ("WS_FeedbackHelperUI")
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{
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}
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FeedbackHelperUI::~FeedbackHelperUI ()
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{
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}
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void
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FeedbackHelperUI::do_request (BaseUI::BaseRequestObject* req) {
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if (req->type == CallSlot) {
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call_slot (MISSING_INVALIDATOR, req->the_slot);
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} else if (req->type == Quit) {
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quit ();
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}
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};
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int
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ArdourFeedback::start ()
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{
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observe_transport ();
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observe_mixer ();
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// some values need polling like the strip meters
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Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (POLL_INTERVAL_MS);
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_periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this,
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&ArdourFeedback::poll));
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// server must be started before feedback otherwise
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// read_blocks_event_loop() will always return false
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if (server ().read_blocks_event_loop ()) {
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_helper.run();
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periodic_timeout->attach (_helper.main_loop()->get_context ());
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} else {
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periodic_timeout->attach (main_loop ()->get_context ());
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}
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return 0;
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}
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int
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ArdourFeedback::stop ()
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{
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if (server ().read_blocks_event_loop ()) {
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_helper.quit();
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}
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_periodic_connection.disconnect ();
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_transport_connections.drop_connections ();
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return 0;
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}
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void
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ArdourFeedback::update_all (std::string node, TypedValue value) const
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{
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update_all (node, ADDR_NONE, ADDR_NONE, ADDR_NONE, value);
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}
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void
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ArdourFeedback::update_all (std::string node, uint32_t strip_id, TypedValue value) const
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{
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update_all (node, strip_id, ADDR_NONE, ADDR_NONE, value);
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}
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void
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ArdourFeedback::update_all (std::string node, uint32_t strip_id, uint32_t plugin_id,
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TypedValue value) const
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{
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update_all (node, strip_id, plugin_id, ADDR_NONE, value);
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}
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void
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ArdourFeedback::update_all (std::string node, uint32_t strip_id, uint32_t plugin_id, uint32_t param_id,
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TypedValue value) const
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{
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AddressVector addr = AddressVector ();
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if (strip_id != ADDR_NONE) {
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addr.push_back (strip_id);
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}
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if (plugin_id != ADDR_NONE) {
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addr.push_back (plugin_id);
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}
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if (param_id != ADDR_NONE) {
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addr.push_back (param_id);
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}
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ValueVector val = ValueVector ();
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val.push_back (value);
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server ().update_all_clients (NodeState (node, addr, val), false);
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}
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PBD::EventLoop*
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ArdourFeedback::event_loop () const
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{
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if (server ().read_blocks_event_loop ()) {
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return static_cast<PBD::EventLoop*> (&_helper);
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} else {
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return SurfaceComponent::event_loop ();
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}
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}
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bool
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ArdourFeedback::poll () const
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{
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update_all (Node::transport_time, transport ().time ());
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update_all (Node::transport_bbt, transport ().bbt ());
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Glib::Threads::Mutex::Lock lock (mixer ().mutex ());
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for (ArdourMixer::StripMap::iterator it = mixer ().strips ().begin (); it != mixer ().strips ().end (); ++it) {
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double db = it->second->meter_level_db ();
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update_all (Node::strip_meter, it->first, db);
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}
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return true;
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}
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void
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ArdourFeedback::observe_transport ()
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{
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ARDOUR::Session& sess = session ();
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sess.TransportStateChange.connect (_transport_connections, MISSING_INVALIDATOR,
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std::bind<void> (TransportObserver (), this), event_loop ());
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sess.RecordStateChanged.connect (_transport_connections, MISSING_INVALIDATOR,
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std::bind<void> (RecordStateObserver (), this), event_loop ());
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Temporal::TempoMap::MapChanged.connect (_transport_connections, MISSING_INVALIDATOR, std::bind<void> (TempoObserver (), this), event_loop ());
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}
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void
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ArdourFeedback::observe_mixer ()
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{
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for (ArdourMixer::StripMap::iterator it = mixer().strips().begin(); it != mixer().strips().end(); ++it) {
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uint32_t strip_id = it->first;
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std::shared_ptr<ArdourMixerStrip> strip = it->second;
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std::shared_ptr<Stripable> stripable = strip->stripable ();
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stripable->gain_control ()->Changed.connect (*it->second, MISSING_INVALIDATOR,
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std::bind<void> (StripGainObserver (), this, strip_id), event_loop ());
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if (stripable->pan_azimuth_control ()) {
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stripable->pan_azimuth_control ()->Changed.connect (*it->second, MISSING_INVALIDATOR,
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std::bind<void> (StripPanObserver (), this, strip_id), event_loop ());
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}
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stripable->mute_control ()->Changed.connect (*it->second, MISSING_INVALIDATOR,
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std::bind<void> (StripMuteObserver (), this, strip_id), event_loop ());
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observe_strip_plugins (strip_id, strip->plugins ());
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}
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}
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void
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ArdourFeedback::observe_strip_plugins (uint32_t strip_id, ArdourMixerStrip::PluginMap& plugins)
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{
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for (ArdourMixerStrip::PluginMap::iterator it = plugins.begin(); it != plugins.end(); ++it) {
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uint32_t plugin_id = it->first;
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std::shared_ptr<ArdourMixerPlugin> plugin = it->second;
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std::shared_ptr<PluginInsert> insert = plugin->insert ();
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uint32_t bypass = insert->plugin ()->designated_bypass_port ();
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Evoral::Parameter param = Evoral::Parameter (PluginAutomation, 0, bypass);
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std::shared_ptr<AutomationControl> control = insert->automation_control (param);
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if (control) {
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control->Changed.connect (*plugin, MISSING_INVALIDATOR,
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std::bind<void> (PluginBypassObserver (), this, strip_id, plugin_id), event_loop ());
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}
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for (uint32_t param_id = 0; param_id < plugin->param_count (); ++param_id) {
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try {
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std::shared_ptr<AutomationControl> control = plugin->param_control (param_id);
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control->Changed.connect (*plugin, MISSING_INVALIDATOR,
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std::bind<void> (PluginParamValueObserver (), this, strip_id, plugin_id, param_id,
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std::weak_ptr<AutomationControl>(control)),
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event_loop ());
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} catch (ArdourMixerNotFoundException& e) {
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/* ignore */
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}
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}
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}
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}
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