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Diffstat (limited to 'libs/ardour/io.cc')
| -rw-r--r-- | libs/ardour/io.cc | 2612 |
1 files changed, 0 insertions, 2612 deletions
diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc deleted file mode 100644 index 5d4b41cf32..0000000000 --- a/libs/ardour/io.cc +++ /dev/null @@ -1,2612 +0,0 @@ -/* - Copyright (C) 2000-2006 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 <fstream> -#include <algorithm> -#include <unistd.h> -#include <locale.h> -#include <errno.h> - -#include <sigc++/bind.h> - -#include <glibmm/thread.h> - -#include <pbd/xml++.h> -#include <pbd/replace_all.h> -#include <pbd/unknown_type.h> - -#include <ardour/audioengine.h> -#include <ardour/io.h> -#include <ardour/route.h> -#include <ardour/port.h> -#include <ardour/audio_port.h> -#include <ardour/midi_port.h> -#include <ardour/auto_bundle.h> -#include <ardour/session.h> -#include <ardour/cycle_timer.h> -#include <ardour/panner.h> -#include <ardour/buffer_set.h> -#include <ardour/meter.h> -#include <ardour/amp.h> - -#include "i18n.h" - -#include <cmath> - -/* - A bug in OS X's cmath that causes isnan() and isinf() to be - "undeclared". the following works around that -*/ - -#if defined(__APPLE__) && defined(__MACH__) -extern "C" int isnan (double); -extern "C" int isinf (double); -#endif - -#define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (_session.engine().process_lock()) - -using namespace std; -using namespace ARDOUR; -using namespace PBD; - -const string IO::state_node_name = "IO"; -bool IO::connecting_legal = false; -bool IO::ports_legal = false; -bool IO::panners_legal = false; -sigc::signal<void> IO::Meter; -sigc::signal<int> IO::ConnectingLegal; -sigc::signal<int> IO::PortsLegal; -sigc::signal<int> IO::PannersLegal; -sigc::signal<void,ChanCount> IO::PortCountChanged; -sigc::signal<int> IO::PortsCreated; - -Glib::StaticMutex IO::m_meter_signal_lock = GLIBMM_STATIC_MUTEX_INIT; - -/* this is a default mapper of [0 .. 1.0] control values to a gain coefficient. - others can be imagined. -*/ - -#if 0 -static gain_t direct_control_to_gain (double fract) { - /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */ - /* this maxes at +6dB */ - return pow (2.0,(sqrt(sqrt(sqrt(fract)))*198.0-192.0)/6.0); -} - -static double direct_gain_to_control (gain_t gain) { - /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */ - if (gain == 0) return 0.0; - - return pow((6.0*log(gain)/log(2.0)+192.0)/198.0, 8.0); -} -#endif - -/** @param default_type The type of port that will be created by ensure_io - * and friends if no type is explicitly requested (to avoid breakage). - */ -IO::IO (Session& s, const string& name, - int input_min, int input_max, int output_min, int output_max, - DataType default_type, bool public_ports) - : Automatable (s, name), - _output_buffers (new BufferSet()), - _active(true), - _default_type (default_type), - _public_ports (public_ports), - _input_minimum (ChanCount::ZERO), - _input_maximum (ChanCount::INFINITE), - _output_minimum (ChanCount::ZERO), - _output_maximum (ChanCount::INFINITE) -{ - _panner = new Panner (name, _session); - _meter = new PeakMeter (_session); - - if (input_min > 0) { - _input_minimum = ChanCount(_default_type, input_min); - } - if (input_max >= 0) { - _input_maximum = ChanCount(_default_type, input_max); - } - if (output_min > 0) { - _output_minimum = ChanCount(_default_type, output_min); - } - if (output_max >= 0) { - _output_maximum = ChanCount(_default_type, output_max); - } - - _gain = 1.0; - _desired_gain = 1.0; - pending_state_node = 0; - no_panner_reset = false; - _phase_invert = false; - deferred_state = 0; - - boost::shared_ptr<AutomationList> gl( - new AutomationList(Parameter(GainAutomation), 0.0, 2.0, 1.0)); - - _gain_control = boost::shared_ptr<GainControl>( - new GainControl(X_("gaincontrol"), *this, gl)); - - add_control(_gain_control); - - apply_gain_automation = false; - - { - // IO::Meter is emitted from another thread so the - // Meter signal must be protected. - Glib::Mutex::Lock guard (m_meter_signal_lock); - m_meter_connection = Meter.connect (mem_fun (*this, &IO::meter)); - } - - // Connect to our own PortCountChanged signal to connect output buffers - IO::PortCountChanged.connect (mem_fun (*this, &IO::attach_buffers)); - - _session.add_controllable (_gain_control); - - create_bundles_for_inputs_and_outputs (); -} - -IO::IO (Session& s, const XMLNode& node, DataType dt) - : Automatable (s, "unnamed io"), - _output_buffers (new BufferSet()), - _active(true), - _default_type (dt) -{ - _meter = new PeakMeter (_session); - _public_ports = true; // XXX get this from node - _panner = 0; - deferred_state = 0; - no_panner_reset = false; - _desired_gain = 1.0; - _gain = 1.0; - - apply_gain_automation = false; - - boost::shared_ptr<AutomationList> gl( - new AutomationList(Parameter(GainAutomation), 0.0, 2.0, 1.0)); - - _gain_control = boost::shared_ptr<GainControl>( - new GainControl(X_("gaincontrol"), *this, gl)); - - add_control(_gain_control); - - set_state (node); - - { - // IO::Meter is emitted from another thread so the - // Meter signal must be protected. - Glib::Mutex::Lock guard (m_meter_signal_lock); - m_meter_connection = Meter.connect (mem_fun (*this, &IO::meter)); - } - - // Connect to our own PortCountChanged signal to connect output buffers - IO::PortCountChanged.connect (mem_fun (*this, &IO::attach_buffers)); - - _session.add_controllable (_gain_control); - - create_bundles_for_inputs_and_outputs (); -} - -IO::~IO () -{ - Glib::Mutex::Lock guard (m_meter_signal_lock); - Glib::Mutex::Lock lm (io_lock); - - BLOCK_PROCESS_CALLBACK (); - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - _session.engine().unregister_port (*i); - } - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - _session.engine().unregister_port (*i); - } - - m_meter_connection.disconnect(); - - delete _meter; - delete _panner; - delete _output_buffers; -} - -void -IO::silence (nframes_t nframes, nframes_t offset) -{ - /* io_lock, not taken: function must be called from Session::process() calltree */ - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - i->get_buffer().silence (nframes, offset); - } -} - -/** Deliver bufs to the IO's output ports - * - * This function should automatically do whatever it necessary to correctly deliver bufs - * to the outputs, eg applying gain or pan or whatever else needs to be done. - */ -void -IO::deliver_output (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) -{ - // FIXME: type specific code doesn't actually need to be here, it will go away in time - - /* ********** AUDIO ********** */ - - // Apply gain if gain automation isn't playing - if ( ! apply_gain_automation) { - - gain_t dg = _gain; // desired gain - - { - Glib::Mutex::Lock dm (declick_lock, Glib::TRY_LOCK); - - if (dm.locked()) { - dg = _desired_gain; - } - - } - - if (dg != _gain || dg != 1.0) - Amp::run_in_place(bufs, nframes, _gain, dg, _phase_invert); - } - - // Use the panner to distribute audio to output port buffers - if (_panner && !_panner->empty() && !_panner->bypassed()) { - _panner->distribute (bufs, output_buffers(), start_frame, end_frame, nframes, offset); - } else { - const DataType type = DataType::AUDIO; - - // Copy any audio 1:1 to outputs - - BufferSet::iterator o = output_buffers().begin(type); - BufferSet::iterator i = bufs.begin(type); - BufferSet::iterator prev = i; - - while (i != bufs.end(type) && o != output_buffers().end (type)) { - o->read_from(*i, nframes, offset); - prev = i; - ++i; - ++o; - } - - /* extra outputs get a copy of the last buffer */ - - while (o != output_buffers().end(type)) { - o->read_from(*prev, nframes, offset); - ++o; - } - } - - /* ********** MIDI ********** */ - - // No MIDI, we're done here - if (bufs.count().n_midi() == 0) { - return; - } - - const DataType type = DataType::MIDI; - - // Copy any MIDI 1:1 to outputs - assert(bufs.count().n_midi() == output_buffers().count().n_midi()); - BufferSet::iterator o = output_buffers().begin(type); - for (BufferSet::iterator i = bufs.begin(type); i != bufs.end(type); ++i, ++o) { - o->read_from(*i, nframes, offset); - } -} - -void -IO::collect_input (BufferSet& outs, nframes_t nframes, nframes_t offset) -{ - assert(outs.available() >= n_inputs()); - - if (n_inputs() == ChanCount::ZERO) - return; - - outs.set_count(n_inputs()); - - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - - BufferSet::iterator o = outs.begin(*t); - for (PortSet::iterator i = _inputs.begin(*t); i != _inputs.end(*t); ++i, ++o) { - o->read_from(i->get_buffer(), nframes, offset); - } - - } -} - -void -IO::just_meter_input (nframes_t start_frame, nframes_t end_frame, - nframes_t nframes, nframes_t offset) -{ - BufferSet& bufs = _session.get_scratch_buffers (n_inputs()); - - collect_input (bufs, nframes, offset); - - _meter->run_in_place(bufs, start_frame, end_frame, nframes, offset); -} - - -void -IO::check_bundles_connected_to_inputs () -{ - check_bundles (_bundles_connected_to_inputs, inputs()); -} - -void -IO::check_bundles_connected_to_outputs () -{ - check_bundles (_bundles_connected_to_outputs, outputs()); -} - -void -IO::check_bundles (std::vector<UserBundleInfo>& list, const PortSet& ports) -{ - std::vector<UserBundleInfo> new_list; - - for (std::vector<UserBundleInfo>::iterator i = list.begin(); i != list.end(); ++i) { - - uint32_t const N = i->bundle->nchannels (); - - if (ports.num_ports() < N) { - continue; - } - - bool ok = true; - for (uint32_t j = 0; j < N; ++j) { - /* Every port on bundle channel j must be connected to our input j */ - PortList const pl = i->bundle->channel_ports (j); - for (uint32_t k = 0; k < pl.size(); ++k) { - if (ports.port(j)->connected_to (pl[k]) == false) { - ok = false; - break; - } - } - - if (ok == false) { - break; - } - } - - if (ok) { - new_list.push_back (*i); - } else { - i->configuration_will_change.disconnect (); - i->configuration_has_changed.disconnect (); - i->ports_will_change.disconnect (); - i->ports_have_changed.disconnect (); - } - } - - list = new_list; -} - - -int -IO::disconnect_input (Port* our_port, string other_port, void* src) -{ - if (other_port.length() == 0 || our_port == 0) { - return 0; - } - - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - /* check that our_port is really one of ours */ - - if ( ! _inputs.contains(our_port)) { - return -1; - } - - /* disconnect it from the source */ - - if (_session.engine().disconnect (other_port, our_port->name())) { - error << string_compose(_("IO: cannot disconnect input port %1 from %2"), our_port->name(), other_port) << endmsg; - return -1; - } - - check_bundles_connected_to_inputs (); - } - } - - input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - _session.set_dirty (); - - return 0; -} - -int -IO::connect_input (Port* our_port, string other_port, void* src) -{ - if (other_port.length() == 0 || our_port == 0) { - return 0; - } - - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - /* check that our_port is really one of ours */ - - if ( ! _inputs.contains(our_port) ) { - return -1; - } - - /* connect it to the source */ - - if (_session.engine().connect (other_port, our_port->name())) { - return -1; - } - } - } - - input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - _session.set_dirty (); - return 0; -} - -int -IO::disconnect_output (Port* our_port, string other_port, void* src) -{ - if (other_port.length() == 0 || our_port == 0) { - return 0; - } - - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - /* check that our_port is really one of ours */ - - if ( ! _outputs.contains(our_port) ) { - return -1; - } - - /* disconnect it from the destination */ - - if (_session.engine().disconnect (our_port->name(), other_port)) { - error << string_compose(_("IO: cannot disconnect output port %1 from %2"), our_port->name(), other_port) << endmsg; - return -1; - } - - check_bundles_connected_to_outputs (); - } - } - - output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - _session.set_dirty (); - return 0; -} - -int -IO::connect_output (Port* our_port, string other_port, void* src) -{ - if (other_port.length() == 0 || our_port == 0) { - return 0; - } - - { - BLOCK_PROCESS_CALLBACK (); - - - { - Glib::Mutex::Lock lm (io_lock); - - /* check that our_port is really one of ours */ - - if ( ! _outputs.contains(our_port) ) { - return -1; - } - - /* connect it to the destination */ - - if (_session.engine().connect (our_port->name(), other_port)) { - return -1; - } - } - } - - output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - _session.set_dirty (); - return 0; -} - -int -IO::set_input (Port* other_port, void* src) -{ - /* this removes all but one ports, and connects that one port - to the specified source. - */ - - if (_input_minimum.n_total() > 1) { - /* sorry, you can't do this */ - return -1; - } - - if (other_port == 0) { - if (_input_minimum == ChanCount::ZERO) { - return ensure_inputs (ChanCount::ZERO, false, true, src); - } else { - return -1; - } - } - - if (ensure_inputs (ChanCount(other_port->type(), 1), true, true, src)) { - return -1; - } - - return connect_input (_inputs.port(0), other_port->name(), src); -} - -int -IO::remove_output_port (Port* port, void* src) -{ - IOChange change (NoChange); - - { - BLOCK_PROCESS_CALLBACK (); - - - { - Glib::Mutex::Lock lm (io_lock); - - if (n_outputs() <= _output_minimum) { - /* sorry, you can't do this */ - return -1; - } - - if (_outputs.remove(port)) { - change = IOChange (change|ConfigurationChanged); - - if (port->connected()) { - change = IOChange (change|ConnectionsChanged); - } - - _session.engine().unregister_port (*port); - check_bundles_connected_to_outputs (); - - setup_peak_meters (); - reset_panner (); - } - } - - PortCountChanged (n_outputs()); /* EMIT SIGNAL */ - } - - if (change == ConnectionsChanged) { - setup_bundles_for_inputs_and_outputs (); - } - - if (change != NoChange) { - output_changed (change, src); - _session.set_dirty (); - return 0; - } - - return -1; -} - -/** Add an output port. - * - * @param destination Name of input port to connect new port to. - * @param src Source for emitted ConfigurationChanged signal. - * @param type Data type of port. Default value (NIL) will use this IO's default type. - */ -int -IO::add_output_port (string destination, void* src, DataType type) -{ - Port* our_port; - - if (type == DataType::NIL) - type = _default_type; - - { - BLOCK_PROCESS_CALLBACK (); - - - { - Glib::Mutex::Lock lm (io_lock); - - if (n_outputs() >= _output_maximum) { - return -1; - } - - /* Create a new output port */ - - string portname = build_legal_port_name (type, false); - - if ((our_port = _session.engine().register_output_port (type, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg; - return -1; - } - - _outputs.add (our_port); - setup_peak_meters (); - reset_panner (); - } - - PortCountChanged (n_outputs()); /* EMIT SIGNAL */ - } - - if (destination.length()) { - if (_session.engine().connect (our_port->name(), destination)) { - return -1; - } - } - - // pan_changed (src); /* EMIT SIGNAL */ - output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - setup_bundles_for_inputs_and_outputs (); - _session.set_dirty (); - - return 0; -} - -int -IO::remove_input_port (Port* port, void* src) -{ - IOChange change (NoChange); - - { - BLOCK_PROCESS_CALLBACK (); - - - { - Glib::Mutex::Lock lm (io_lock); - - if (n_inputs() <= _input_minimum) { - /* sorry, you can't do this */ - return -1; - } - - if (_inputs.remove(port)) { - change = IOChange (change|ConfigurationChanged); - - if (port->connected()) { - change = IOChange (change|ConnectionsChanged); - } - - _session.engine().unregister_port (*port); - check_bundles_connected_to_inputs (); - - setup_peak_meters (); - reset_panner (); - } - } - - PortCountChanged (n_inputs ()); /* EMIT SIGNAL */ - } - - if (change == ConfigurationChanged) { - setup_bundles_for_inputs_and_outputs (); - } - - if (change != NoChange) { - input_changed (change, src); - _session.set_dirty (); - return 0; - } - - return -1; -} - - -/** Add an input port. - * - * @param type Data type of port. The appropriate port type, and @ref Port will be created. - * @param destination Name of input port to connect new port to. - * @param src Source for emitted ConfigurationChanged signal. - */ -int -IO::add_input_port (string source, void* src, DataType type) -{ - Port* our_port; - - if (type == DataType::NIL) - type = _default_type; - - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - if (n_inputs() >= _input_maximum) { - return -1; - } - - /* Create a new input port */ - - string portname = build_legal_port_name (type, true); - - if ((our_port = _session.engine().register_input_port (type, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg; - return -1; - } - - _inputs.add (our_port); - setup_peak_meters (); - reset_panner (); - } - - PortCountChanged (n_inputs()); /* EMIT SIGNAL */ - } - - if (source.length()) { - - if (_session.engine().connect (source, our_port->name())) { - return -1; - } - } - - // pan_changed (src); /* EMIT SIGNAL */ - input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - setup_bundles_for_inputs_and_outputs (); - _session.set_dirty (); - - return 0; -} - -int -IO::disconnect_inputs (void* src) -{ - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - _session.engine().disconnect (*i); - } - - check_bundles_connected_to_inputs (); - } - } - - input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - - return 0; -} - -int -IO::disconnect_outputs (void* src) -{ - { - BLOCK_PROCESS_CALLBACK (); - - { - Glib::Mutex::Lock lm (io_lock); - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - _session.engine().disconnect (*i); - } - - check_bundles_connected_to_outputs (); - } - } - - output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */ - _session.set_dirty (); - - return 0; -} - -bool -IO::ensure_inputs_locked (ChanCount count, bool clear, void* src) -{ - Port* input_port = 0; - bool changed = false; - - - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - - const size_t n = count.get(*t); - - /* remove unused ports */ - for (size_t i = n_inputs().get(*t); i > n; --i) { - input_port = _inputs.port(*t, i-1); - - assert(input_port); - _inputs.remove(input_port); - _session.engine().unregister_port (*input_port); - - changed = true; - } - - /* create any necessary new ports */ - while (n_inputs().get(*t) < n) { - - string portname = build_legal_port_name (*t, true); - - try { - - if ((input_port = _session.engine().register_input_port (*t, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg; - return -1; - } - } - - catch (AudioEngine::PortRegistrationFailure& err) { - setup_peak_meters (); - reset_panner (); - /* pass it on */ - throw AudioEngine::PortRegistrationFailure(); - } - - _inputs.add (input_port); - changed = true; - } - } - - if (changed) { - check_bundles_connected_to_inputs (); - setup_peak_meters (); - reset_panner (); - PortCountChanged (n_inputs()); /* EMIT SIGNAL */ - _session.set_dirty (); - } - - if (clear) { - /* disconnect all existing ports so that we get a fresh start */ - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - _session.engine().disconnect (*i); - } - } - - return changed; -} - -/** Attach output_buffers to port buffers. - * - * Connected to IO's own PortCountChanged signal. - */ -void -IO::attach_buffers(ChanCount ignored) -{ - _output_buffers->attach_buffers(_outputs); -} - -int -IO::ensure_io (ChanCount in, ChanCount out, bool clear, void* src) -{ - bool in_changed = false; - bool out_changed = false; - bool need_pan_reset = false; - - in = min (_input_maximum, in); - - out = min (_output_maximum, out); - - if (in == n_inputs() && out == n_outputs() && !clear) { - return 0; - } - - { - BLOCK_PROCESS_CALLBACK (); - Glib::Mutex::Lock lm (io_lock); - - Port* port; - - if (n_outputs() != out) { - need_pan_reset = true; - } - - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - - const size_t nin = in.get(*t); - const size_t nout = out.get(*t); - - Port* output_port = 0; - Port* input_port = 0; - - /* remove unused output ports */ - for (size_t i = n_outputs().get(*t); i > nout; --i) { - output_port = _outputs.port(*t, i-1); - - assert(output_port); - _outputs.remove(output_port); - _session.engine().unregister_port (*output_port); - - out_changed = true; - } - - /* remove unused input ports */ - for (size_t i = n_inputs().get(*t); i > nin; --i) { - input_port = _inputs.port(*t, i-1); - - assert(input_port); - _inputs.remove(input_port); - _session.engine().unregister_port (*input_port); - - in_changed = true; - } - - /* create any necessary new input ports */ - - while (n_inputs().get(*t) < nin) { - - string portname = build_legal_port_name (*t, true); - - try { - if ((port = _session.engine().register_input_port (*t, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg; - return -1; - } - } - - catch (AudioEngine::PortRegistrationFailure& err) { - setup_peak_meters (); - reset_panner (); - /* pass it on */ - throw AudioEngine::PortRegistrationFailure(); - } - - _inputs.add (port); - in_changed = true; - } - - /* create any necessary new output ports */ - - while (n_outputs().get(*t) < nout) { - - string portname = build_legal_port_name (*t, false); - - try { - if ((port = _session.engine().register_output_port (*t, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg; - return -1; - } - } - - catch (AudioEngine::PortRegistrationFailure& err) { - setup_peak_meters (); - reset_panner (); - /* pass it on */ - throw AudioEngine::PortRegistrationFailure (); - } - - _outputs.add (port); - out_changed = true; - } - } - - if (clear) { - - /* disconnect all existing ports so that we get a fresh start */ - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - _session.engine().disconnect (*i); - } - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - _session.engine().disconnect (*i); - } - } - - if (in_changed || out_changed) { - setup_peak_meters (); - reset_panner (); - } - } - - if (out_changed) { - check_bundles_connected_to_outputs (); - output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - } - - if (in_changed) { - check_bundles_connected_to_inputs (); - input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - } - - if (in_changed || out_changed) { - PortCountChanged (max (n_outputs(), n_inputs())); /* EMIT SIGNAL */ - setup_bundles_for_inputs_and_outputs (); - _session.set_dirty (); - } - - return 0; -} - -int -IO::ensure_inputs (ChanCount count, bool clear, bool lockit, void* src) -{ - bool changed = false; - - count = min (_input_maximum, count); - - if (count == n_inputs() && !clear) { - return 0; - } - - if (lockit) { - BLOCK_PROCESS_CALLBACK (); - Glib::Mutex::Lock im (io_lock); - changed = ensure_inputs_locked (count, clear, src); - } else { - changed = ensure_inputs_locked (count, clear, src); - } - - if (changed) { - input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - setup_bundles_for_inputs_and_outputs (); - _session.set_dirty (); - } - return 0; -} - -bool -IO::ensure_outputs_locked (ChanCount count, bool clear, void* src) -{ - Port* output_port = 0; - bool changed = false; - bool need_pan_reset = false; - - if (n_outputs() != count) { - need_pan_reset = true; - } - - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - - const size_t n = count.get(*t); - - /* remove unused ports */ - for (size_t i = n_outputs().get(*t); i > n; --i) { - output_port = _outputs.port(*t, i-1); - - assert(output_port); - _outputs.remove(output_port); - _session.engine().unregister_port (*output_port); - - changed = true; - } - - /* create any necessary new ports */ - while (n_outputs().get(*t) < n) { - - string portname = build_legal_port_name (*t, false); - - if ((output_port = _session.engine().register_output_port (*t, portname, _public_ports)) == 0) { - error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg; - return -1; - } - - _outputs.add (output_port); - changed = true; - setup_peak_meters (); - - if (need_pan_reset) { - reset_panner (); - } - } - } - - if (changed) { - check_bundles_connected_to_outputs (); - PortCountChanged (n_outputs()); /* EMIT SIGNAL */ - _session.set_dirty (); - } - - if (clear) { - /* disconnect all existing ports so that we get a fresh start */ - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - _session.engine().disconnect (*i); - } - } - - return changed; -} - -int -IO::ensure_outputs (ChanCount count, bool clear, bool lockit, void* src) -{ - bool changed = false; - - if (_output_maximum < ChanCount::INFINITE) { - count = min (_output_maximum, count); - if (count == n_outputs() && !clear) { - return 0; - } - } - - /* XXX caller should hold io_lock, but generally doesn't */ - - if (lockit) { - BLOCK_PROCESS_CALLBACK (); - Glib::Mutex::Lock im (io_lock); - changed = ensure_outputs_locked (count, clear, src); - } else { - changed = ensure_outputs_locked (count, clear, src); - } - - if (changed) { - output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */ - setup_bundles_for_inputs_and_outputs (); - } - - return 0; -} - -gain_t -IO::effective_gain () const -{ - if (_gain_control->list()->automation_playback()) { - return _gain_control->get_value(); - } else { - return _desired_gain; - } -} - -void -IO::reset_panner () -{ - if (panners_legal) { - if (!no_panner_reset) { - _panner->reset (n_outputs().n_audio(), pans_required()); - } - } else { - panner_legal_c.disconnect (); - panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal)); - } -} - -int -IO::panners_became_legal () -{ - _panner->reset (n_outputs().n_audio(), pans_required()); - _panner->load (); // automation - panner_legal_c.disconnect (); - return 0; -} - -void -IO::defer_pan_reset () -{ - no_panner_reset = true; -} - -void -IO::allow_pan_reset () -{ - no_panner_reset = false; - reset_panner (); -} - - -XMLNode& -IO::get_state (void) -{ - return state (true); -} - -XMLNode& -IO::state (bool full_state) -{ - XMLNode* node = new XMLNode (state_node_name); - char buf[64]; - string str; - vector<string>::iterator ci; - int n; - LocaleGuard lg (X_("POSIX")); - Glib::Mutex::Lock lm (io_lock); - - node->add_property("name", _name); - id().print (buf, sizeof (buf)); - node->add_property("id", buf); - - for ( - std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin(); - i != _bundles_connected_to_inputs.end(); - ++i - ) - { - XMLNode* n = new XMLNode ("InputBundle"); - n->add_property ("name", i->bundle->name ()); - node->add_child_nocopy (*n); - } - - for ( - std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin(); - i != _bundles_connected_to_outputs.end(); - ++i - ) - { - XMLNode* n = new XMLNode ("OutputBundle"); - n->add_property ("name", i->bundle->name ()); - node->add_child_nocopy (*n); - } - - str = ""; - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - - vector<string> connections; - - if (i->get_connections (connections)) { - - str += '{'; - - for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) { - if (n) { - str += ','; - } - - /* if its a connection to our own port, - return only the port name, not the - whole thing. this allows connections - to be re-established even when our - client name is different. - */ - - str += _session.engine().make_port_name_relative (*ci); - } - - str += '}'; - - } else { - str += "{}"; - } - } - - node->add_property ("inputs", str); - - str = ""; - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - - vector<string> connections; - - if (i->get_connections (connections)) { - - str += '{'; - - for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) { - if (n) { - str += ','; - } - - str += _session.engine().make_port_name_relative (*ci); - } - - str += '}'; - - } else { - str += "{}"; - } - } - - node->add_property ("outputs", str); - - node->add_child_nocopy (_panner->state (full_state)); - node->add_child_nocopy (_gain_control->get_state ()); - - snprintf (buf, sizeof(buf), "%2.12f", gain()); - node->add_property ("gain", buf); - - /* To make backwards compatibility a bit easier, write ChanCount::INFINITE to the session file - as -1. - */ - - int const in_max = _input_maximum == ChanCount::INFINITE ? -1 : _input_maximum.get(_default_type); - int const out_max = _output_maximum == ChanCount::INFINITE ? -1 : _output_maximum.get(_default_type); - - snprintf (buf, sizeof(buf)-1, "%d,%d,%d,%d", _input_minimum.get(_default_type), in_max, _output_minimum.get(_default_type), out_max); - - node->add_property ("iolimits", buf); - - /* automation */ - - if (full_state) - node->add_child_nocopy (get_automation_state()); - - return *node; -} - -int -IO::set_state (const XMLNode& node) -{ - const XMLProperty* prop; - XMLNodeConstIterator iter; - LocaleGuard lg (X_("POSIX")); - - /* force use of non-localized representation of decimal point, - since we use it a lot in XML files and so forth. - */ - - if (node.name() != state_node_name) { - error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg; - return -1; - } - - if ((prop = node.property ("name")) != 0) { - _name = prop->value(); - /* used to set panner name with this, but no more */ - } - - if ((prop = node.property ("id")) != 0) { - _id = prop->value (); - } - - int in_min = -1; - int in_max = -1; - int out_min = -1; - int out_max = -1; - - if ((prop = node.property ("iolimits")) != 0) { - sscanf (prop->value().c_str(), "%d,%d,%d,%d", - &in_min, &in_max, &out_min, &out_max); - - /* Correct for the difference between the way we write things to session files and the - way things are described by ChanCount; see comments in io.h about what the different - ChanCount values mean. */ - - if (in_min < 0) { - _input_minimum = ChanCount::ZERO; - } else { - _input_minimum = ChanCount (_default_type, in_min); - } - - if (in_max < 0) { - _input_maximum = ChanCount::INFINITE; - } else { - _input_maximum = ChanCount (_default_type, in_max); - } - - if (out_min < 0) { - _output_minimum = ChanCount::ZERO; - } else { - _output_minimum = ChanCount (_default_type, out_min); - } - - if (out_max < 0) { - _output_maximum = ChanCount::INFINITE; - } else { - _output_maximum = ChanCount (_default_type, out_max); - } - } - - if ((prop = node.property ("gain")) != 0) { - set_gain (atof (prop->value().c_str()), this); - _gain = _desired_gain; - } - - if ((prop = node.property ("automation-state")) != 0 || (prop = node.property ("automation-style")) != 0) { - /* old school automation handling */ - } - - for (iter = node.children().begin(); iter != node.children().end(); ++iter) { - - if ((*iter)->name() == "Panner") { - if (_panner == 0) { - _panner = new Panner (_name, _session); - } - _panner->set_state (**iter); - } - - if ((*iter)->name() == X_("Automation")) { - - set_automation_state (*(*iter), Parameter(GainAutomation)); - } - - if ((*iter)->name() == X_("controllable")) { - if ((prop = (*iter)->property("name")) != 0 && prop->value() == "gaincontrol") { - _gain_control->set_state (**iter); - } - } - } - - if (ports_legal) { - - if (create_ports (node)) { - return -1; - } - - } else { - - port_legal_c = PortsLegal.connect (mem_fun (*this, &IO::ports_became_legal)); - } - - if (panners_legal) { - reset_panner (); - } else { - panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal)); - } - - if (connecting_legal) { - - if (make_connections (node)) { - return -1; - } - - } else { - - connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal)); - } - - if (!ports_legal || !connecting_legal) { - pending_state_node = new XMLNode (node); - } - - return 0; -} - -int -IO::load_automation (string path) -{ - string fullpath; - ifstream in; - char line[128]; - uint32_t linecnt = 0; - float version; - LocaleGuard lg (X_("POSIX")); - - fullpath = _session.automation_dir(); - fullpath += path; - - in.open (fullpath.c_str()); - - if (!in) { - fullpath = _session.automation_dir(); - fullpath += _session.snap_name(); - fullpath += '-'; - fullpath += path; - - in.open (fullpath.c_str()); - - if (!in) { - error << string_compose(_("%1: cannot open automation event file \"%2\""), _name, fullpath) << endmsg; - return -1; - } - } - - clear_automation (); - - while (in.getline (line, sizeof(line), '\n')) { - char type; - nframes_t when; - double value; - - if (++linecnt == 1) { - if (memcmp (line, "version", 7) == 0) { - if (sscanf (line, "version %f", &version) != 1) { - error << string_compose(_("badly formed version number in automation event file \"%1\""), path) << endmsg; - return -1; - } - } else { - error << string_compose(_("no version information in automation event file \"%1\""), path) << endmsg; - return -1; - } - - continue; - } - - if (sscanf (line, "%c %" PRIu32 " %lf", &type, &when, &value) != 3) { - warning << string_compose(_("badly formatted automation event record at line %1 of %2 (ignored)"), linecnt, path) << endmsg; - continue; - } - - switch (type) { - case 'g': - _gain_control->list()->fast_simple_add (when, value); - break; - - case 's': - break; - - case 'm': - break; - - case 'p': - /* older (pre-1.0) versions of ardour used this */ - break; - - default: - warning << _("dubious automation event found (and ignored)") << endmsg; - } - } - - return 0; -} - -int -IO::connecting_became_legal () -{ - int ret; - - if (pending_state_node == 0) { - fatal << _("IO::connecting_became_legal() called without a pending state node") << endmsg; - /*NOTREACHED*/ - return -1; - } - - connection_legal_c.disconnect (); - - ret = make_connections (*pending_state_node); - - if (ports_legal) { - delete pending_state_node; - pending_state_node = 0; - } - - return ret; -} -int -IO::ports_became_legal () -{ - int ret; - - if (pending_state_node == 0) { - fatal << _("IO::ports_became_legal() called without a pending state node") << endmsg; - /*NOTREACHED*/ - return -1; - } - - port_legal_c.disconnect (); - - ret = create_ports (*pending_state_node); - - if (connecting_legal) { - delete pending_state_node; - pending_state_node = 0; - } - - return ret; -} - -int -IO::create_ports (const XMLNode& node) -{ - XMLProperty const * prop; - int num_inputs = 0; - int num_outputs = 0; - - if ((prop = node.property ("inputs")) != 0) { - num_inputs = count (prop->value().begin(), prop->value().end(), '{'); - } else if ((prop = node.property ("outputs")) != 0) { - num_outputs = count (prop->value().begin(), prop->value().end(), '{'); - } - - no_panner_reset = true; - - // FIXME: audio-only - if (ensure_io (ChanCount(DataType::AUDIO, num_inputs), ChanCount(DataType::AUDIO, num_outputs), true, this)) { - error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg; - return -1; - } - - no_panner_reset = false; - - set_deferred_state (); - - PortsCreated(); - return 0; -} - - -int -IO::make_connections (const XMLNode& node) -{ - XMLProperty const * prop; - - if ((prop = node.property ("inputs")) != 0) { - if (set_inputs (prop->value())) { - error << string_compose(_("improper input channel list in XML node (%1)"), prop->value()) << endmsg; - return -1; - } - } - - - if ((prop = node.property ("outputs")) != 0) { - if (set_outputs (prop->value())) { - error << string_compose(_("improper output channel list in XML node (%1)"), prop->value()) << endmsg; - return -1; - } - } - - for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) { - - if ((*i)->name() == "InputBundle") { - XMLProperty const * prop = (*i)->property ("name"); - if (prop) { - boost::shared_ptr<Bundle> b = _session.bundle_by_name (prop->value()); - if (b) { - connect_input_ports_to_bundle (b, this); - } else { - error << string_compose(_("Unknown bundle \"%1\" listed for input of %2"), prop->value(), _name) << endmsg; - } - } - - } else if ((*i)->name() == "OutputBundle") { - XMLProperty const * prop = (*i)->property ("name"); - if (prop) { - boost::shared_ptr<Bundle> b = _session.bundle_by_name (prop->value()); - if (b) { - connect_output_ports_to_bundle (b, this); - } else { - error << string_compose(_("Unknown bundle \"%1\" listed for output of %2"), prop->value(), _name) << endmsg; - } - } - } - } - - return 0; -} - -int -IO::set_inputs (const string& str) -{ - vector<string> ports; - int i; - int n; - uint32_t nports; - - if ((nports = count (str.begin(), str.end(), '{')) == 0) { - return 0; - } - - // FIXME: audio-only - if (ensure_inputs (ChanCount(DataType::AUDIO, nports), true, true, this)) { - return -1; - } - - string::size_type start, end, ostart; - - ostart = 0; - start = 0; - end = 0; - i = 0; - - while ((start = str.find_first_of ('{', ostart)) != string::npos) { - start += 1; - - if ((end = str.find_first_of ('}', start)) == string::npos) { - error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg; - return -1; - } - - if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) { - error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg; - - return -1; - - } else if (n > 0) { - - for (int x = 0; x < n; ++x) { - connect_input (input (i), ports[x], this); - } - } - - ostart = end+1; - i++; - } - - return 0; -} - -int -IO::set_outputs (const string& str) -{ - vector<string> ports; - int i; - int n; - uint32_t nports; - - if ((nports = count (str.begin(), str.end(), '{')) == 0) { - return 0; - } - - // FIXME: audio-only - if (ensure_outputs (ChanCount(DataType::AUDIO, nports), true, true, this)) { - return -1; - } - - string::size_type start, end, ostart; - - ostart = 0; - start = 0; - end = 0; - i = 0; - - while ((start = str.find_first_of ('{', ostart)) != string::npos) { - start += 1; - - if ((end = str.find_first_of ('}', start)) == string::npos) { - error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg; - return -1; - } - - if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) { - error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg; - - return -1; - - } else if (n > 0) { - - for (int x = 0; x < n; ++x) { - connect_output (output (i), ports[x], this); - } - } - - ostart = end+1; - i++; - } - - return 0; -} - -int -IO::parse_io_string (const string& str, vector<string>& ports) -{ - string::size_type pos, opos; - - if (str.length() == 0) { - return 0; - } - - pos = 0; - opos = 0; - - ports.clear (); - - while ((pos = str.find_first_of (',', opos)) != string::npos) { - ports.push_back (str.substr (opos, pos - opos)); - opos = pos + 1; - } - - if (opos < str.length()) { - ports.push_back (str.substr(opos)); - } - - return ports.size(); -} - -int -IO::parse_gain_string (const string& str, vector<string>& ports) -{ - string::size_type pos, opos; - - pos = 0; - opos = 0; - ports.clear (); - - while ((pos = str.find_first_of (',', opos)) != string::npos) { - ports.push_back (str.substr (opos, pos - opos)); - opos = pos + 1; - } - - if (opos < str.length()) { - ports.push_back (str.substr(opos)); - } - - return ports.size(); -} - -bool -IO::set_name (const string& requested_name) -{ - if (requested_name == _name) { - return true; - } - - string name; - Route *rt; - if ( (rt = dynamic_cast<Route *>(this))) { - name = Route::ensure_track_or_route_name(requested_name, _session); - } else { - name = requested_name; - } - - - /* replace all colons in the name. i wish we didn't have to do this */ - - if (replace_all (name, ":", "-")) { - warning << _("you cannot use colons to name objects with I/O connections") << endmsg; - } - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - string current_name = i->short_name(); - current_name.replace (current_name.find (_name), _name.length(), name); - i->set_name (current_name); - } - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - string current_name = i->short_name(); - current_name.replace (current_name.find (_name), _name.length(), name); - i->set_name (current_name); - } - - bool const r = SessionObject::set_name(name); - - setup_bundles_for_inputs_and_outputs (); - - return r; -} - -void -IO::set_input_minimum (ChanCount n) -{ - _input_minimum = n; -} - -void -IO::set_input_maximum (ChanCount n) -{ - _input_maximum = n; -} - -void -IO::set_output_minimum (ChanCount n) -{ - _output_minimum = n; -} - -void -IO::set_output_maximum (ChanCount n) -{ - _output_maximum = n; -} - -void -IO::set_port_latency (nframes_t nframes) -{ - Glib::Mutex::Lock lm (io_lock); - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - i->set_latency (nframes); - } -} - -nframes_t -IO::output_latency () const -{ - nframes_t max_latency; - nframes_t latency; - - max_latency = 0; - - /* io lock not taken - must be protected by other means */ - - for (PortSet::const_iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - if ((latency = _session.engine().get_port_total_latency (*i)) > max_latency) { - max_latency = latency; - } - } - - return max_latency; -} - -nframes_t -IO::input_latency () const -{ - nframes_t max_latency; - nframes_t latency; - - max_latency = 0; - - /* io lock not taken - must be protected by other means */ - - for (PortSet::const_iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - if ((latency = _session.engine().get_port_total_latency (*i)) > max_latency) { - max_latency = latency; - } - } - - return max_latency; -} - -int -IO::connect_input_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src) -{ - { - BLOCK_PROCESS_CALLBACK (); - Glib::Mutex::Lock lm2 (io_lock); - - /* Connect to the bundle, not worrying about any connections - that are already made. */ - - uint32_t const channels = c->nchannels (); - - for (uint32_t n = 0; n < channels; ++n) { - const PortList& pl = c->channel_ports (n); - - for (PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) { - - if (!_inputs.port(n)->connected_to (*i)) { - - if (_session.engine().connect (*i, _inputs.port(n)->name())) { - return -1; - } - } - - } - } - - /* If this is a UserBundle, make a note of what we've done */ - - boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c); - if (ub) { - - /* See if we already know about this one */ - std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin(); - while (i != _bundles_connected_to_inputs.end() && i->bundle != ub) { - ++i; - } - - if (i == _bundles_connected_to_inputs.end()) { - /* We don't, so make a note */ - _bundles_connected_to_inputs.push_back (UserBundleInfo (this, ub)); - } - } - } - - input_changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */ - return 0; -} - -int -IO::connect_output_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src) -{ - { - BLOCK_PROCESS_CALLBACK (); - Glib::Mutex::Lock lm2 (io_lock); - - /* Connect to the bundle, not worrying about any connections - that are already made. */ - - uint32_t const channels = c->nchannels (); - - for (uint32_t n = 0; n < channels; ++n) { - - const PortList& pl = c->channel_ports (n); - - for (PortList::const_iterator i = pl.begin(); i != pl.end(); ++i) { - - if (!_outputs.port(n)->connected_to (*i)) { - - if (_session.engine().connect (_outputs.port(n)->name(), *i)) { - return -1; - } - } - } - } - - /* If this is a UserBundle, make a note of what we've done */ - - boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c); - if (ub) { - - /* See if we already know about this one */ - std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin(); - while (i != _bundles_connected_to_outputs.end() && i->bundle != ub) { - ++i; - } - - if (i == _bundles_connected_to_outputs.end()) { - /* We don't, so make a note */ - _bundles_connected_to_outputs.push_back (UserBundleInfo (this, ub)); - } - } - } - - output_changed (IOChange (ConnectionsChanged|ConfigurationChanged), src); /* EMIT SIGNAL */ - - return 0; -} - -int -IO::disable_connecting () -{ - connecting_legal = false; - return 0; -} - -int -IO::enable_connecting () -{ - connecting_legal = true; - return ConnectingLegal (); -} - -int -IO::disable_ports () -{ - ports_legal = false; - return 0; -} - -int -IO::enable_ports () -{ - ports_legal = true; - return PortsLegal (); -} - -int -IO::disable_panners (void) -{ - panners_legal = false; - return 0; -} - -int -IO::reset_panners () -{ - panners_legal = true; - return PannersLegal (); -} - -void -IO::bundle_configuration_will_change () -{ - //XXX -// connect_input_ports_to_bundle (_input_bundle, this); -} - -void -IO::bundle_configuration_has_changed () -{ - //XXX -// connect_input_ports_to_bundle (_input_bundle, this); -} - -void -IO::bundle_ports_will_change (int ignored) -{ -//XXX -// connect_output_ports_to_bundle (_output_bundle, this); -} - -void -IO::bundle_ports_have_changed (int ignored) -{ - //XXX -// connect_output_ports_to_bundle (_output_bundle, this); -} - -void -IO::GainControl::set_value (float val) -{ - // max gain at about +6dB (10.0 ^ ( 6 dB * 0.05)) - if (val > 1.99526231f) - val = 1.99526231f; - - _user_value = val; - _io.set_gain (val, this); - - Changed(); /* EMIT SIGNAL */ -} - -float -IO::GainControl::get_value (void) const -{ - return AutomationControl::get_value(); -} - -void -IO::setup_peak_meters() -{ - ChanCount max_streams = std::max(_inputs.count(), _outputs.count()); - _meter->configure_io(max_streams, max_streams); -} - -/** - Update the peak meters. - - The meter signal lock is taken to prevent modification of the - Meter signal while updating the meters, taking the meter signal - lock prior to taking the io_lock ensures that all IO will remain - valid while metering. -*/ -void -IO::update_meters() -{ - Glib::Mutex::Lock guard (m_meter_signal_lock); - Meter(); /* EMIT SIGNAL */ -} - -void -IO::meter () -{ - // FIXME: Ugly. Meter should manage the lock, if it's necessary - - Glib::Mutex::Lock lm (io_lock); // READER: meter thread. - _meter->meter(); -} - -void -IO::clear_automation () -{ - Automatable::clear_automation (); // clears gain automation - _panner->clear_automation (); -} - -void -IO::set_parameter_automation_state (Parameter param, AutoState state) -{ - // XXX: would be nice to get rid of this special hack - - if (param.type() == GainAutomation) { - - bool changed = false; - - { - Glib::Mutex::Lock lm (_automation_lock); - - boost::shared_ptr<AutomationList> gain_auto = _gain_control->list(); - - if (state != gain_auto->automation_state()) { - changed = true; - _last_automation_snapshot = 0; - gain_auto->set_automation_state (state); - - if (state != Off) { - // FIXME: shouldn't this use Curve? - set_gain (gain_auto->eval (_session.transport_frame()), this); - } - } - } - - if (changed) { - _session.set_dirty (); - } - - } else { - Automatable::set_parameter_automation_state(param, state); - } -} - -void -IO::inc_gain (gain_t factor, void *src) -{ - if (_desired_gain == 0.0f) - set_gain (0.000001f + (0.000001f * factor), src); - else - set_gain (_desired_gain + (_desired_gain * factor), src); -} - -void -IO::set_gain (gain_t val, void *src) -{ - // max gain at about +6dB (10.0 ^ ( 6 dB * 0.05)) - if (val > 1.99526231f) - val = 1.99526231f; - - if (src != _gain_control.get()) { - _gain_control->set_value(val); - // bit twisty, this will come back and call us again - // (this keeps control in sync with reality) - return; - } - - { - Glib::Mutex::Lock dm (declick_lock); - _desired_gain = val; - } - - if (_session.transport_stopped()) { - _gain = val; - } - - if (_session.transport_stopped() && src != 0 && src != this && _gain_control->list()->automation_write()) { - _gain_control->list()->add (_session.transport_frame(), val); - - } - - _session.set_dirty(); -} - -void -IO::start_pan_touch (uint32_t which) -{ - if (which < _panner->size()) { - (*_panner)[which]->pan_control()->list()->start_touch(); - } -} - -void -IO::end_pan_touch (uint32_t which) -{ - if (which < _panner->size()) { - (*_panner)[which]->pan_control()->list()->stop_touch(); - } - -} - -void -IO::automation_snapshot (nframes_t now, bool force) -{ - Automatable::automation_snapshot (now, force); - - if (_last_automation_snapshot > now || (now - _last_automation_snapshot) > _automation_interval) { - _panner->snapshot (now); - } - - _panner->snapshot (now); - _last_automation_snapshot = now; -} - -void -IO::transport_stopped (nframes_t frame) -{ - _gain_control->list()->reposition_for_rt_add (frame); - - if (_gain_control->list()->automation_state() != Off) { - - /* the src=0 condition is a special signal to not propagate - automation gain changes into the mix group when locating. - */ - - // FIXME: shouldn't this use Curve? - set_gain (_gain_control->list()->eval (frame), 0); - } - - _panner->transport_stopped (frame); -} - -string -IO::build_legal_port_name (DataType type, bool in) -{ - const int name_size = jack_port_name_size(); - int limit; - string suffix; - int maxports; - - if (type == DataType::AUDIO) { - suffix = _("audio"); - } else if (type == DataType::MIDI) { - suffix = _("midi"); - } else { - throw unknown_type(); - } - - if (in) { - suffix += _("_in"); - maxports = _input_maximum.get(type); - } else { - suffix += _("_out"); - maxports = _output_maximum.get(type); - } - - if (maxports == 1) { - // allow space for the slash + the suffix - limit = name_size - _session.engine().client_name().length() - (suffix.length() + 1); - char buf[name_size+1]; - snprintf (buf, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str()); - return string (buf); - } - - // allow up to 4 digits for the output port number, plus the slash, suffix and extra space - - limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5); - - char buf1[name_size+1]; - char buf2[name_size+1]; - - snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str()); - - int port_number; - - if (in) { - port_number = find_input_port_hole (buf1); - } else { - port_number = find_output_port_hole (buf1); - } - - snprintf (buf2, name_size+1, "%s %d", buf1, port_number); - - return string (buf2); -} - -int32_t -IO::find_input_port_hole (const char* base) -{ - /* CALLER MUST HOLD IO LOCK */ - - uint32_t n; - - if (_inputs.empty()) { - return 1; - } - - /* we only allow up to 4 characters for the port number - */ - - for (n = 1; n < 9999; ++n) { - char buf[jack_port_name_size()]; - PortSet::iterator i = _inputs.begin(); - - snprintf (buf, jack_port_name_size(), _("%s %u"), base, n); - - for ( ; i != _inputs.end(); ++i) { - if (i->short_name() == buf) { - break; - } - } - - if (i == _inputs.end()) { - break; - } - } - return n; -} - -int32_t -IO::find_output_port_hole (const char* base) -{ - /* CALLER MUST HOLD IO LOCK */ - - uint32_t n; - - if (_outputs.empty()) { - return 1; - } - - /* we only allow up to 4 characters for the port number - */ - - for (n = 1; n < 9999; ++n) { - char buf[jack_port_name_size()]; - PortSet::iterator i = _outputs.begin(); - - snprintf (buf, jack_port_name_size(), _("%s %u"), base, n); - - for ( ; i != _outputs.end(); ++i) { - if (i->short_name() == buf) { - break; - } - } - - if (i == _outputs.end()) { - break; - } - } - - return n; -} - -void -IO::set_active (bool yn) -{ - _active = yn; - active_changed(); /* EMIT SIGNAL */ -} - - -AudioPort* -IO::audio_input(uint32_t n) const -{ - return dynamic_cast<AudioPort*>(input(n)); -} - -AudioPort* -IO::audio_output(uint32_t n) const -{ - return dynamic_cast<AudioPort*>(output(n)); -} - -MidiPort* -IO::midi_input(uint32_t n) const -{ - return dynamic_cast<MidiPort*>(input(n)); -} - -MidiPort* -IO::midi_output(uint32_t n) const -{ - return dynamic_cast<MidiPort*>(output(n)); -} - -void -IO::set_phase_invert (bool yn, void *src) -{ - if (_phase_invert != yn) { - _phase_invert = yn; - // phase_invert_changed (src); /* EMIT SIGNAL */ - } -} - -void -IO::set_denormal_protection (bool yn, void *src) -{ - if (_denormal_protection != yn) { - _denormal_protection = yn; - // denormal_protection_changed (src); /* EMIT SIGNAL */ - } -} - -void -IO::update_port_total_latencies () -{ - /* io_lock, not taken: function must be called from Session::process() calltree */ - - for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) { - _session.engine().update_total_latency (*i); - } - - for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) { - _session.engine().update_total_latency (*i); - } -} - - -/** - * Setup bundles that describe our inputs and outputs. - */ - -void -IO::setup_bundles_for_inputs_and_outputs () -{ - char buf[32]; - - snprintf(buf, sizeof (buf), _("%s in"), _name.c_str()); - _bundle_for_inputs->set_name (buf); - uint32_t const ni = inputs().num_ports(); - _bundle_for_inputs->set_channels (ni); - for (uint32_t i = 0; i < ni; ++i) { - _bundle_for_inputs->set_port (i, inputs().port(i)->name()); - } - - snprintf(buf, sizeof (buf), _("%s out"), _name.c_str()); - _bundle_for_outputs->set_name (buf); - uint32_t const no = outputs().num_ports(); - _bundle_for_outputs->set_channels (no); - for (uint32_t i = 0; i < no; ++i) { - _bundle_for_outputs->set_port (i, outputs().port(i)->name()); - } -} - - -/** - * Create and setup bundles that describe our inputs and outputs. - */ - -void -IO::create_bundles_for_inputs_and_outputs () -{ - _bundle_for_inputs = boost::shared_ptr<AutoBundle> (new AutoBundle (true)); - _bundle_for_outputs = boost::shared_ptr<AutoBundle> (new AutoBundle (false)); - setup_bundles_for_inputs_and_outputs (); -} - -/** Add a bundle to a list if is connected to our inputs. - * @param b Bundle to check. - * @param bundles List to add to. - */ -void -IO::maybe_add_input_bundle_to_list (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> >* bundles) -{ - boost::shared_ptr<AutoBundle> ab = boost::dynamic_pointer_cast<AutoBundle, Bundle> (b); - if (ab == 0 || ab->ports_are_outputs() == false) { - return; - } - - if (ab->nchannels () != n_inputs().n_total ()) { - return; - } - - for (uint32_t i = 0; i < n_inputs().n_total (); ++i) { - - PortList const & pl = b->channel_ports (i); - - if (pl.empty()) { - return; - } - - if (!input(i)->connected_to (pl[0])) { - return; - } - } - - bundles->push_back (b); -} - -/** @return Bundles connected to our inputs */ -std::vector<boost::shared_ptr<Bundle> > -IO::bundles_connected_to_inputs () -{ - std::vector<boost::shared_ptr<Bundle> > bundles; - - /* User bundles */ - for (std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin(); i != _bundles_connected_to_inputs.end(); ++i) { - bundles.push_back (i->bundle); - } - - /* Auto bundles */ - _session.foreach_bundle ( - sigc::bind (sigc::mem_fun (*this, &IO::maybe_add_input_bundle_to_list), &bundles) - ); - - return bundles; -} - - -/** Add a bundle to a list if is connected to our outputs. - * @param b Bundle to check. - * @param bundles List to add to. - */ -void -IO::maybe_add_output_bundle_to_list (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> >* bundles) -{ - boost::shared_ptr<AutoBundle> ab = boost::dynamic_pointer_cast<AutoBundle, Bundle> (b); - if (ab == 0 || ab->ports_are_inputs() == false) { - return; - } - - if (ab->nchannels () != n_outputs().n_total ()) { - return; - } - - for (uint32_t i = 0; i < n_outputs().n_total (); ++i) { - - PortList const & pl = b->channel_ports (i); - - if (pl.empty()) { - return; - } - - if (!output(i)->connected_to (pl[0])) { - return; - } - } - - bundles->push_back (b); -} - - -/* @return Bundles connected to our outputs */ -std::vector<boost::shared_ptr<Bundle> > -IO::bundles_connected_to_outputs () -{ - std::vector<boost::shared_ptr<Bundle> > bundles; - - /* User bundles */ - for (std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin(); i != _bundles_connected_to_outputs.end(); ++i) { - bundles.push_back (i->bundle); - } - - /* Auto bundles */ - _session.foreach_bundle ( - sigc::bind (sigc::mem_fun (*this, &IO::maybe_add_output_bundle_to_list), &bundles) - ); - - return bundles; -} - - -IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b) -{ - bundle = b; - configuration_will_change = b->ConfigurationWillChange.connect ( - sigc::mem_fun (*io, &IO::bundle_configuration_will_change) - ); - configuration_has_changed = b->ConfigurationHasChanged.connect ( - sigc::mem_fun (*io, &IO::bundle_configuration_has_changed) - ); - ports_will_change = b->PortsWillChange.connect ( - sigc::mem_fun (*io, &IO::bundle_ports_will_change) - ); - ports_have_changed = b->PortsHaveChanged.connect ( - sigc::mem_fun (*io, &IO::bundle_ports_have_changed) - ); -} - |