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())
54 , _solo_isolated (false)
60 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
63 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
67 /* deliver to a new IO object */
69 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
70 : IOProcessor(s, false, (r == Listen ? false : true), name)
72 , _output_buffers (new BufferSet())
74 , _solo_isolated (false)
79 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
82 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
86 /* deliver to a new IO object, reconstruct from XML */
88 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
89 : IOProcessor (s, false, true, "reset")
91 , _output_buffers (new BufferSet())
93 , _solo_isolated (false)
98 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
100 if (set_state (node)) {
101 throw failed_constructor ();
105 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
109 /* deliver to an existing IO object, reconstruct from XML */
111 Delivery::Delivery (Session& s, boost::shared_ptr<IO> out, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
112 : IOProcessor (s, boost::shared_ptr<IO>(), out, "reset")
114 , _output_buffers (new BufferSet())
116 , _solo_isolated (false)
121 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
123 if (set_state (node)) {
124 throw failed_constructor ();
128 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
133 Delivery::cycle_start (nframes_t nframes)
136 _no_outs_cuz_we_no_monitor = false;
140 Delivery::increment_output_offset (nframes_t n)
146 Delivery::visible () const
156 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
163 Delivery::configure_io (ChanCount in, ChanCount out)
165 if (out != in) { // always 1:1
171 return Processor::configure_io (in, out);
175 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
177 if (_output->n_ports ().get (_output->default_type()) == 0) {
181 /* this setup is not just for our purposes, but for anything that comes after us in the
182 processing pathway that wants to use this->output_buffers() for some reason.
185 PortSet& ports (_output->ports());
186 output_buffers().attach_buffers (ports, nframes, _output_offset);
188 // this Delivery processor is not a derived type, and thus we assume
189 // we really can modify the buffers passed in (it is almost certainly
190 // the main output stage of a Route). Contrast with Send::run()
191 // which cannot do this.
193 gain_t tgain = target_gain ();
195 if (tgain != _current_gain) {
197 /* target gain has changed */
199 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
200 _current_gain = tgain;
202 } else if (tgain == 0.0) {
204 /* we were quiet last time, and we're still supposed to be quiet.
205 Silence the outputs, and make sure the buffers are quiet too,
208 _output->silence (nframes);
209 Amp::apply_simple_gain (bufs, nframes, 0.0);
213 } else if (tgain != 1.0) {
215 /* target gain has not changed, but is not unity */
216 Amp::apply_simple_gain (bufs, nframes, tgain);
219 // Attach output buffers to port buffers
221 if (_panner && _panner->npanners() && !_panner->bypassed()) {
223 // Use the panner to distribute audio to output port buffers
225 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
228 // Do a 1:1 copy of data to output ports
230 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
231 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
234 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
235 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
242 Delivery::state (bool full_state)
244 XMLNode& node (IOProcessor::state (full_state));
247 node.add_property("type", "main-outs");
248 } else if (_role & Listen) {
249 node.add_property("type", "listen");
251 node.add_property("type", "delivery");
254 node.add_property("role", enum_2_string(_role));
255 node.add_child_nocopy (_panner->state (full_state));
261 Delivery::set_state (const XMLNode& node)
263 const XMLProperty* prop;
265 if (IOProcessor::set_state (node)) {
269 if ((prop = node.property ("role")) != 0) {
270 _role = Role (string_2_enum (prop->value(), _role));
271 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
273 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
276 XMLNode* pan_node = node.child (X_("Panner"));
279 _panner->set_state (*pan_node);
288 Delivery::reset_panner ()
291 if (!no_panner_reset) {
296 ntargets = _output->n_ports().n_audio();
298 ntargets = _configured_output.n_audio();
301 _panner->reset (ntargets, pans_required());
304 panner_legal_c.disconnect ();
305 panner_legal_c = PannersLegal.connect (mem_fun (*this, &Delivery::panners_became_legal));
310 Delivery::panners_became_legal ()
315 ntargets = _output->n_ports().n_audio();
317 ntargets = _configured_output.n_audio();
320 _panner->reset (ntargets, pans_required());
321 _panner->load (); // automation
322 panner_legal_c.disconnect ();
327 Delivery::defer_pan_reset ()
329 no_panner_reset = true;
333 Delivery::allow_pan_reset ()
335 no_panner_reset = false;
341 Delivery::disable_panners (void)
343 panners_legal = false;
348 Delivery::reset_panners ()
350 panners_legal = true;
351 return PannersLegal ();
356 Delivery::start_pan_touch (uint32_t which)
358 if (which < _panner->npanners()) {
359 _panner->pan_control(which)->start_touch();
364 Delivery::end_pan_touch (uint32_t which)
366 if (which < _panner->npanners()) {
367 _panner->pan_control(which)->stop_touch();
373 Delivery::transport_stopped (sframes_t frame)
375 _panner->transport_stopped (frame);
379 Delivery::flush (nframes_t nframes)
381 /* io_lock, not taken: function must be called from Session::process() calltree */
383 PortSet& ports (_output->ports());
385 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
386 (*i).flush_buffers (nframes, _output_offset);
391 Delivery::target_gain ()
393 /* if we've been told not to output because its a monitoring situation and
394 we're not monitoring, then be quiet.
397 if (_no_outs_cuz_we_no_monitor) {
402 MuteMaster::MutePoint mp;
406 mp = MuteMaster::Main;
409 mp = MuteMaster::Listen;
413 if (_placement == PreFader) {
414 mp = MuteMaster::PreFader;
416 mp = MuteMaster::PostFader;
426 if (_solo_isolated) {
428 /* ... but we are isolated from all that nonsense */
430 desired_gain = _mute_master->mute_gain_at (mp);
432 } else if (_session.soloing()) {
434 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
437 desired_gain = _mute_master->mute_gain_at (mp);
445 Delivery::no_outs_cuz_we_no_monitor (bool yn)
447 _no_outs_cuz_we_no_monitor = yn;
451 Delivery::set_name (const std::string& name)
453 bool ret = IOProcessor::set_name (name);
456 ret = _panner->set_name (name);
463 Delivery::output_changed (IOChange change, void* src)
465 if (change & ARDOUR::ConfigurationChanged) {