2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "pbd/enumwriter.h"
23 #include "pbd/convert.h"
25 #include "ardour/delivery.h"
26 #include "ardour/audio_buffer.h"
27 #include "ardour/amp.h"
28 #include "ardour/buffer_set.h"
29 #include "ardour/configuration.h"
30 #include "ardour/io.h"
31 #include "ardour/meter.h"
32 #include "ardour/mute_master.h"
33 #include "ardour/panner.h"
34 #include "ardour/port.h"
35 #include "ardour/session.h"
41 using namespace ARDOUR;
43 sigc::signal<void,nframes_t> Delivery::CycleStart;
44 sigc::signal<int> Delivery::PannersLegal;
45 bool Delivery::panners_legal = false;
47 /* deliver to an existing IO object */
49 Delivery::Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
50 : IOProcessor(s, boost::shared_ptr<IO>(), (r == Listen ? boost::shared_ptr<IO>() : io), name)
52 , _output_buffers (new BufferSet())
55 , _no_outs_cuz_we_no_monitor (false)
57 , _solo_isolated (false)
59 , no_panner_reset (false)
62 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
65 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
68 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
71 /* deliver to a new IO object */
73 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
74 : IOProcessor(s, false, (r == Listen ? false : true), name)
76 , _output_buffers (new BufferSet())
79 , _no_outs_cuz_we_no_monitor (false)
81 , _solo_isolated (false)
83 , no_panner_reset (false)
85 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
88 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
91 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
94 /* deliver to a new IO object, reconstruct from XML */
96 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
97 : IOProcessor (s, false, true, "reset")
99 , _output_buffers (new BufferSet())
100 , _current_gain (1.0)
102 , _no_outs_cuz_we_no_monitor (false)
104 , _solo_isolated (false)
106 , no_panner_reset (false)
108 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
110 if (set_state (node)) {
111 throw failed_constructor ();
115 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
118 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
121 /* deliver to an existing IO object, reconstruct from XML */
123 Delivery::Delivery (Session& s, boost::shared_ptr<IO> out, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
124 : IOProcessor (s, boost::shared_ptr<IO>(), out, "reset")
126 , _output_buffers (new BufferSet())
127 , _current_gain (1.0)
129 , _no_outs_cuz_we_no_monitor (false)
131 , _solo_isolated (false)
133 , no_panner_reset (false)
135 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
137 if (set_state (node)) {
138 throw failed_constructor ();
142 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
145 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
149 Delivery::cycle_start (nframes_t nframes)
152 _no_outs_cuz_we_no_monitor = false;
156 Delivery::increment_output_offset (nframes_t n)
162 Delivery::visible () const
172 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
179 Delivery::configure_io (ChanCount in, ChanCount out)
181 if (out != in) { // always 1:1
187 return Processor::configure_io (in, out);
191 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
193 if (_output->n_ports ().get (_output->default_type()) == 0) {
197 /* this setup is not just for our purposes, but for anything that comes after us in the
198 processing pathway that wants to use this->output_buffers() for some reason.
201 PortSet& ports (_output->ports());
202 output_buffers().attach_buffers (ports, nframes, _output_offset);
204 // this Delivery processor is not a derived type, and thus we assume
205 // we really can modify the buffers passed in (it is almost certainly
206 // the main output stage of a Route). Contrast with Send::run()
207 // which cannot do this.
209 gain_t tgain = target_gain ();
211 if (tgain != _current_gain) {
213 /* target gain has changed */
215 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
216 _current_gain = tgain;
218 } else if (tgain == 0.0) {
220 /* we were quiet last time, and we're still supposed to be quiet.
221 Silence the outputs, and make sure the buffers are quiet too,
224 _output->silence (nframes);
225 Amp::apply_simple_gain (bufs, nframes, 0.0);
229 } else if (tgain != 1.0) {
231 /* target gain has not changed, but is not unity */
232 Amp::apply_simple_gain (bufs, nframes, tgain);
235 // Attach output buffers to port buffers
237 if (_panner && _panner->npanners() && !_panner->bypassed()) {
239 // Use the panner to distribute audio to output port buffers
241 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
244 // Do a 1:1 copy of data to output ports
246 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
247 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
250 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
251 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
258 Delivery::state (bool full_state)
260 XMLNode& node (IOProcessor::state (full_state));
263 node.add_property("type", "main-outs");
264 } else if (_role & Listen) {
265 node.add_property("type", "listen");
267 node.add_property("type", "delivery");
270 node.add_property("role", enum_2_string(_role));
271 node.add_child_nocopy (_panner->state (full_state));
277 Delivery::set_state (const XMLNode& node)
279 const XMLProperty* prop;
281 if (IOProcessor::set_state (node)) {
285 if ((prop = node.property ("role")) != 0) {
286 _role = Role (string_2_enum (prop->value(), _role));
287 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
289 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
292 XMLNode* pan_node = node.child (X_("Panner"));
295 _panner->set_state (*pan_node);
304 Delivery::reset_panner ()
307 if (!no_panner_reset) {
312 ntargets = _output->n_ports().n_audio();
314 ntargets = _configured_output.n_audio();
317 _panner->reset (ntargets, pans_required());
320 panner_legal_c.disconnect ();
321 panner_legal_c = PannersLegal.connect (mem_fun (*this, &Delivery::panners_became_legal));
326 Delivery::panners_became_legal ()
331 ntargets = _output->n_ports().n_audio();
333 ntargets = _configured_output.n_audio();
336 _panner->reset (ntargets, pans_required());
337 _panner->load (); // automation
338 panner_legal_c.disconnect ();
343 Delivery::defer_pan_reset ()
345 no_panner_reset = true;
349 Delivery::allow_pan_reset ()
351 no_panner_reset = false;
357 Delivery::disable_panners (void)
359 panners_legal = false;
364 Delivery::reset_panners ()
366 panners_legal = true;
367 return PannersLegal ();
372 Delivery::start_pan_touch (uint32_t which)
374 if (which < _panner->npanners()) {
375 _panner->pan_control(which)->start_touch();
380 Delivery::end_pan_touch (uint32_t which)
382 if (which < _panner->npanners()) {
383 _panner->pan_control(which)->stop_touch();
389 Delivery::transport_stopped (sframes_t frame)
391 _panner->transport_stopped (frame);
395 Delivery::flush (nframes_t nframes)
397 /* io_lock, not taken: function must be called from Session::process() calltree */
399 PortSet& ports (_output->ports());
401 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
402 (*i).flush_buffers (nframes, _output_offset);
407 Delivery::target_gain ()
409 /* if we've been told not to output because its a monitoring situation and
410 we're not monitoring, then be quiet.
413 if (_no_outs_cuz_we_no_monitor) {
423 MuteMaster::MutePoint mp;
427 mp = MuteMaster::Main;
430 mp = MuteMaster::Listen;
434 if (_placement == PreFader) {
435 mp = MuteMaster::PreFader;
437 mp = MuteMaster::PostFader;
442 if (_solo_isolated) {
444 /* ... but we are isolated from all that nonsense */
446 desired_gain = _mute_master->mute_gain_at (mp);
448 } else if (_session.soloing()) {
450 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
453 desired_gain = _mute_master->mute_gain_at (mp);
461 Delivery::no_outs_cuz_we_no_monitor (bool yn)
463 _no_outs_cuz_we_no_monitor = yn;
467 Delivery::set_name (const std::string& name)
469 bool ret = IOProcessor::set_name (name);
472 ret = _panner->set_name (name);
479 Delivery::output_changed (IOChange change, void* src)
481 if (change & ARDOUR::ConfigurationChanged) {