2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <glibmm/thread.h>
22 #include "pbd/error.h"
24 #include "ardour/audio_diskstream.h"
25 #include "ardour/audioregion.h"
26 #include "ardour/audioengine.h"
27 #include "ardour/delivery.h"
28 #include "ardour/route.h"
29 #include "ardour/session.h"
30 #include "ardour/auditioner.h"
31 #include "ardour/audioplaylist.h"
32 #include "ardour/audio_port.h"
33 #include "ardour/panner.h"
34 #include "ardour/data_type.h"
35 #include "ardour/region_factory.h"
38 using namespace ARDOUR;
43 Auditioner::Auditioner (Session& s)
44 : AudioTrack (s, "auditioner", Route::Hidden)
59 string left = _session.config.get_auditioner_output_left();
60 string right = _session.config.get_auditioner_output_right();
62 if (left == "default") {
63 if (_session.monitor_out()) {
64 left = _session.monitor_out()->input()->audio (0)->name();
67 left = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
71 if (right == "default") {
72 if (_session.monitor_out()) {
73 right = _session.monitor_out()->input()->audio (1)->name();
76 right = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
80 if ((left.length() == 0) && (right.length() == 0)) {
81 warning << _("no outputs available for auditioner - manual connection required") << endmsg;
85 _main_outs->defer_pan_reset ();
88 _output->add_port (left, this, DataType::AUDIO);
92 _output->add_port (right, this, DataType::AUDIO);
95 _main_outs->allow_pan_reset ();
96 _main_outs->reset_panner ();
98 _output->changed.connect_same_thread (*this, boost::bind (&Auditioner::output_changed, this, _1, _2));
103 Auditioner::~Auditioner ()
108 Auditioner::prepare_playlist ()
110 // FIXME auditioner is still audio-only
111 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_diskstream->playlist());
119 Auditioner::audition_current_playlist ()
121 if (g_atomic_int_get (&_auditioning)) {
122 /* don't go via session for this, because we are going
128 Glib::Mutex::Lock lm (lock);
129 _diskstream->seek (0);
130 length = _diskstream->playlist()->get_extent().second;
133 /* force a panner reset now that we have all channels */
135 _main_outs->panner()->reset (n_outputs().n_audio(), _diskstream->n_channels().n_audio());
137 g_atomic_int_set (&_auditioning, 1);
141 Auditioner::audition_region (boost::shared_ptr<Region> region)
143 if (g_atomic_int_get (&_auditioning)) {
144 /* don't go via session for this, because we are going
150 if (boost::dynamic_pointer_cast<AudioRegion>(region) == 0) {
151 error << _("Auditioning of non-audio regions not yet supported") << endmsg;
155 Glib::Mutex::Lock lm (lock);
159 boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
160 the_region->set_position (0, this);
162 _diskstream->playlist()->drop_regions ();
163 _diskstream->playlist()->add_region (the_region, 0, 1);
165 if (_diskstream->n_channels().n_audio() < the_region->n_channels()) {
166 audio_diskstream()->add_channel (the_region->n_channels() - _diskstream->n_channels().n_audio());
167 } else if (_diskstream->n_channels().n_audio() > the_region->n_channels()) {
168 audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
172 if (configure_processors (&ps)) {
173 error << string_compose (_("Cannot setup auditioner processing flow for %1 channels"),
174 _diskstream->n_channels()) << endmsg;
178 /* force a panner reset now that we have all channels */
180 _main_outs->reset_panner();
182 length = the_region->length();
185 nframes_t offset = the_region->sync_offset (dir);
187 /* can't audition from a negative sync point */
193 _diskstream->seek (offset);
194 current_frame = offset;
196 g_atomic_int_set (&_auditioning, 1);
200 Auditioner::play_audition (nframes_t nframes)
202 bool need_butler = false;
203 nframes_t this_nframes;
206 if (g_atomic_int_get (&_auditioning) == 0) {
211 this_nframes = min (nframes, length - current_frame);
213 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, false, false, need_butler)) != 0) {
218 current_frame += this_nframes;
220 if (current_frame >= length) {
221 _session.cancel_audition ();
224 return need_butler ? 1 : 0;
229 Auditioner::output_changed (IOChange change, void* /*src*/)
231 if (change & ConnectionsChanged) {
233 vector<string> connections;
234 if (_output->nth (0)->get_connections (connections)) {
235 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
236 if (phys != connections[0]) {
237 _session.config.set_auditioner_output_left (connections[0]);
239 _session.config.set_auditioner_output_left ("default");
242 _session.config.set_auditioner_output_left ("");
245 connections.clear ();
247 if (_output->nth (1)->get_connections (connections)) {
248 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
249 if (phys != connections[0]) {
250 _session.config.set_auditioner_output_right (connections[0]);
252 _session.config.set_auditioner_output_right ("default");
255 _session.config.set_auditioner_output_right ("");