614 lines
14 KiB
C++
614 lines
14 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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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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675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <cmath>
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#include <algorithm>
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#include "pbd/enumwriter.h"
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#include "pbd/convert.h"
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#include "ardour/midi_buffer.h"
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#include "ardour/delivery.h"
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#include "ardour/audio_buffer.h"
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#include "ardour/amp.h"
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#include "ardour/buffer_set.h"
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#include "ardour/configuration.h"
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#include "ardour/io.h"
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#include "ardour/meter.h"
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#include "ardour/mute_master.h"
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#include "ardour/panner.h"
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#include "ardour/port.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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PBD::Signal1<void,nframes_t> Delivery::CycleStart;
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PBD::Signal0<int> Delivery::PannersLegal;
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bool Delivery::panners_legal = false;
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/* deliver to an existing IO object */
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Delivery::Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
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: IOProcessor(s, boost::shared_ptr<IO>(), (role_requires_output_ports (r) ? io : boost::shared_ptr<IO>()), name)
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, _role (r)
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, _output_buffers (new BufferSet())
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, _current_gain (1.0)
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, _output_offset (0)
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, _no_outs_cuz_we_no_monitor (false)
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, _solo_level (0)
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, _solo_isolated (false)
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, _mute_master (mm)
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, no_panner_reset (false)
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{
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_panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
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_display_to_user = false;
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if (_output) {
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_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
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}
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CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
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}
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/* deliver to a new IO object */
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Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
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: IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name)
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, _role (r)
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, _output_buffers (new BufferSet())
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, _current_gain (1.0)
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, _output_offset (0)
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, _no_outs_cuz_we_no_monitor (false)
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, _solo_level (0)
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, _solo_isolated (false)
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, _mute_master (mm)
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, no_panner_reset (false)
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{
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_panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
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_display_to_user = false;
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if (_output) {
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_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
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}
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CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
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}
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/* deliver to a new IO object, reconstruct from XML */
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Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
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: IOProcessor (s, false, true, "reset")
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, _role (Role (0))
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, _output_buffers (new BufferSet())
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, _current_gain (1.0)
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, _output_offset (0)
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, _no_outs_cuz_we_no_monitor (false)
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, _solo_level (0)
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, _solo_isolated (false)
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, _mute_master (mm)
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, no_panner_reset (false)
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{
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_panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
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_display_to_user = false;
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor ();
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}
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if (_output) {
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_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
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}
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CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
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}
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/* deliver to an existing IO object, reconstruct from XML */
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Delivery::Delivery (Session& s, boost::shared_ptr<IO> out, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
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: IOProcessor (s, boost::shared_ptr<IO>(), out, "reset")
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, _role (Role (0))
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, _output_buffers (new BufferSet())
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, _current_gain (1.0)
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, _output_offset (0)
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, _no_outs_cuz_we_no_monitor (false)
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, _solo_level (0)
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, _solo_isolated (false)
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, _mute_master (mm)
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, no_panner_reset (false)
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{
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_panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
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_display_to_user = false;
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor ();
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}
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if (_output) {
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_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
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}
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CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
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}
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Delivery::~Delivery()
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{
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delete _output_buffers;
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}
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std::string
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Delivery::display_name () const
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{
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switch (_role) {
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case Main:
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return _("main outs");
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break;
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case Listen:
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return _("listen");
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break;
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case Send:
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case Insert:
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default:
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return name();
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}
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}
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void
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Delivery::cycle_start (nframes_t /*nframes*/)
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{
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_output_offset = 0;
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_no_outs_cuz_we_no_monitor = false;
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}
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void
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Delivery::increment_output_offset (nframes_t n)
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{
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_output_offset += n;
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}
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bool
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Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
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{
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if (_role == Main) {
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/* the out buffers will be set to point to the port output buffers
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of our output object.
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*/
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if (_output) {
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if (_output->n_ports() != ChanCount::ZERO) {
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out = _output->n_ports();
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return true;
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} else {
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/* not configured yet - we will passthru */
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out = in;
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return true;
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}
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} else {
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fatal << "programming error: this should never be reached" << endmsg;
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/*NOTREACHED*/
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}
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} else if (_role == Insert) {
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/* the output buffers will be filled with data from the *input* ports
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of this Insert.
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*/
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if (_input) {
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if (_input->n_ports() != ChanCount::ZERO) {
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out = _input->n_ports();
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return true;
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} else {
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/* not configured yet - we will passthru */
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out = in;
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return true;
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}
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} else {
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fatal << "programming error: this should never be reached" << endmsg;
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/*NOTREACHED*/
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}
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} else {
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fatal << "programming error: this should never be reached" << endmsg;
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}
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return false;
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}
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bool
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Delivery::configure_io (ChanCount in, ChanCount out)
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{
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/* check configuration by comparison with our I/O port configuration, if appropriate.
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see ::can_support_io_configuration() for comments
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*/
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if (_role == Main) {
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if (_output) {
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if (_output->n_ports() != out) {
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if (_output->n_ports() != ChanCount::ZERO) {
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fatal << _name << " programming error: configure_io with nports = " << _output->n_ports() << " called with " << in << " and " << out << " with " << _output->n_ports() << " output ports" << endmsg;
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/*NOTREACHED*/
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} else {
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/* I/O not yet configured */
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}
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}
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}
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} else if (_role == Insert) {
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if (_input) {
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if (_input->n_ports() != in) {
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if (_input->n_ports() != ChanCount::ZERO) {
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fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
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/*NOTREACHED*/
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} else {
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/* I/O not yet configured */
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}
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}
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}
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}
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if (!Processor::configure_io (in, out)) {
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return false;
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}
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reset_panner ();
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return true;
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}
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void
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Delivery::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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assert (_output);
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PortSet& ports (_output->ports());
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gain_t tgain;
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if (_output->n_ports ().get (_output->default_type()) == 0) {
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goto out;
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}
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if (!_active && !_pending_active) {
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_output->silence (nframes);
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goto out;
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}
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/* this setup is not just for our purposes, but for anything that comes after us in the
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processing pathway that wants to use this->output_buffers() for some reason.
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*/
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output_buffers().attach_buffers (ports, nframes, _output_offset);
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// this Delivery processor is not a derived type, and thus we assume
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// we really can modify the buffers passed in (it is almost certainly
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// the main output stage of a Route). Contrast with Send::run()
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// which cannot do this.
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tgain = target_gain ();
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if (tgain != _current_gain) {
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/* target gain has changed */
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Amp::apply_gain (bufs, nframes, _current_gain, tgain);
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_current_gain = tgain;
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} else if (tgain == 0.0) {
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/* we were quiet last time, and we're still supposed to be quiet.
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Silence the outputs, and make sure the buffers are quiet too,
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*/
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_output->silence (nframes);
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if (result_required) {
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Amp::apply_simple_gain (bufs, nframes, 0.0);
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}
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goto out;
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} else if (tgain != 1.0) {
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/* target gain has not changed, but is not unity */
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Amp::apply_simple_gain (bufs, nframes, tgain);
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}
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if (_panner && _panner->npanners() && !_panner->bypassed()) {
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// Use the panner to distribute audio to output port buffers
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_panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
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if (result_required) {
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bufs.read_from (output_buffers (), nframes);
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}
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} else {
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// Do a 1:1 copy of data to output ports
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if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
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_output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
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}
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if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
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_output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
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}
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}
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out:
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_active = _pending_active;
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}
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XMLNode&
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Delivery::state (bool full_state)
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{
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XMLNode& node (IOProcessor::state (full_state));
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if (_role & Main) {
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node.add_property("type", "main-outs");
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} else if (_role & Listen) {
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node.add_property("type", "listen");
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} else {
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node.add_property("type", "delivery");
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}
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node.add_property("role", enum_2_string(_role));
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node.add_child_nocopy (_panner->state (full_state));
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return node;
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}
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int
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Delivery::set_state (const XMLNode& node, int version)
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{
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const XMLProperty* prop;
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if (IOProcessor::set_state (node, version)) {
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return -1;
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}
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if ((prop = node.property ("role")) != 0) {
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_role = Role (string_2_enum (prop->value(), _role));
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// std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
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} else {
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// std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
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}
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XMLNode* pan_node = node.child (X_("Panner"));
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if (pan_node) {
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_panner->set_state (*pan_node, version);
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}
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reset_panner ();
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return 0;
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}
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void
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Delivery::reset_panner ()
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{
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if (panners_legal) {
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if (!no_panner_reset) {
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uint32_t ntargets;
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if (_output) {
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ntargets = _output->n_ports().n_audio();
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} else {
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ntargets = _configured_output.n_audio();
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}
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_panner->reset (ntargets, pans_required());
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}
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} else {
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panner_legal_c.disconnect ();
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PannersLegal.connect_same_thread (panner_legal_c, boost::bind (&Delivery::panners_became_legal, this));
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}
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}
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int
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Delivery::panners_became_legal ()
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{
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uint32_t ntargets;
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if (_output) {
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ntargets = _output->n_ports().n_audio();
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} else {
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ntargets = _configured_output.n_audio();
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}
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_panner->reset (ntargets, pans_required());
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_panner->load (); // automation
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panner_legal_c.disconnect ();
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return 0;
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}
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void
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Delivery::defer_pan_reset ()
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{
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no_panner_reset = true;
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}
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void
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Delivery::allow_pan_reset ()
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{
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no_panner_reset = false;
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reset_panner ();
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}
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int
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Delivery::disable_panners (void)
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{
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panners_legal = false;
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return 0;
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}
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int
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Delivery::reset_panners ()
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{
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panners_legal = true;
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return *PannersLegal ();
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}
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void
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Delivery::start_pan_touch (uint32_t which)
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{
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if (which < _panner->npanners()) {
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_panner->pan_control(which)->start_touch();
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}
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}
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void
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Delivery::end_pan_touch (uint32_t which)
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{
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if (which < _panner->npanners()) {
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_panner->pan_control(which)->stop_touch();
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}
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}
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void
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Delivery::transport_stopped (sframes_t frame)
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{
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_panner->transport_stopped (frame);
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}
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void
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Delivery::flush (nframes_t nframes, nframes64_t time)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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PortSet& ports (_output->ports());
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for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
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(*i).flush_buffers (nframes, time, _output_offset);
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}
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}
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void
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Delivery::transport_stopped ()
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{
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/* turn off any notes that are on */
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PortSet& ports (_output->ports());
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for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
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(*i).transport_stopped ();
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}
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}
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gain_t
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Delivery::target_gain ()
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{
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/* if we've been requested to deactivate, our target gain is zero */
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if (!_pending_active) {
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return 0.0;
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}
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/* if we've been told not to output because its a monitoring situation and
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we're not monitoring, then be quiet.
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*/
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if (_no_outs_cuz_we_no_monitor) {
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return 0.0;
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}
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gain_t desired_gain = -1.0f;
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if (_solo_level) {
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desired_gain = 1.0;
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} else {
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if (_role == Listen && _session.control_out() && !_session.soloing()) {
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/* nobody is soloed, so control/monitor/listen bus gets its
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signal from master out, we should be silent
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*/
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desired_gain = 0.0;
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} else {
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MuteMaster::MutePoint mp;
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switch (_role) {
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case Main:
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mp = MuteMaster::Main;
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break;
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case Listen:
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mp = MuteMaster::Listen;
|
|
break;
|
|
case Send:
|
|
case Insert:
|
|
case Aux:
|
|
/* XXX FIX ME this is wrong, we need per-delivery muting */
|
|
mp = MuteMaster::PreFader;
|
|
break;
|
|
}
|
|
|
|
if (!_solo_isolated && _session.soloing()) {
|
|
desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
|
|
|
|
} else {
|
|
|
|
desired_gain = _mute_master->mute_gain_at (mp);
|
|
}
|
|
}
|
|
}
|
|
|
|
return desired_gain;
|
|
}
|
|
|
|
void
|
|
Delivery::no_outs_cuz_we_no_monitor (bool yn)
|
|
{
|
|
_no_outs_cuz_we_no_monitor = yn;
|
|
}
|
|
|
|
bool
|
|
Delivery::set_name (const std::string& name)
|
|
{
|
|
bool ret = IOProcessor::set_name (name);
|
|
|
|
if (ret) {
|
|
ret = _panner->set_name (name);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
Delivery::output_changed (IOChange change, void* /*src*/)
|
|
{
|
|
if (change & ARDOUR::ConfigurationChanged) {
|
|
reset_panner ();
|
|
}
|
|
}
|
|
|