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/data_type.h"
34 #include "ardour/region_factory.h"
37 using namespace ARDOUR;
42 Auditioner::Auditioner (Session& s)
43 : AudioTrack (s, "auditioner", Route::Hidden)
58 string left = _session.config.get_auditioner_output_left();
59 string right = _session.config.get_auditioner_output_right();
61 vector<string> outputs;
62 _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
64 if (left == "default") {
65 if (_session.monitor_out()) {
66 left = _session.monitor_out()->input()->audio (0)->name();
69 if (outputs.size() > 0) {
75 if (right == "default") {
76 if (_session.monitor_out()) {
77 right = _session.monitor_out()->input()->audio (1)->name();
80 if (outputs.size() > 1) {
86 if ((left.length() == 0) && (right.length() == 0)) {
87 warning << _("no outputs available for auditioner - manual connection required") << endmsg;
91 _main_outs->defer_pan_reset ();
94 _output->add_port (left, this, DataType::AUDIO);
98 _output->add_port (right, this, DataType::AUDIO);
101 _main_outs->allow_pan_reset ();
102 _main_outs->reset_panner ();
104 _output->changed.connect_same_thread (*this, boost::bind (&Auditioner::output_changed, this, _1, _2));
109 Auditioner::~Auditioner ()
114 Auditioner::prepare_playlist ()
116 // FIXME auditioner is still audio-only
117 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_diskstream->playlist());
125 Auditioner::audition_region (boost::shared_ptr<Region> region)
127 if (g_atomic_int_get (&_auditioning)) {
128 /* don't go via session for this, because we are going
134 if (boost::dynamic_pointer_cast<AudioRegion>(region) == 0) {
135 error << _("Auditioning of non-audio regions not yet supported") << endmsg;
139 Glib::Mutex::Lock lm (lock);
143 boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
144 the_region->set_position (0);
146 _diskstream->playlist()->drop_regions ();
147 _diskstream->playlist()->add_region (the_region, 0, 1);
149 if (_diskstream->n_channels().n_audio() < the_region->n_channels()) {
150 audio_diskstream()->add_channel (the_region->n_channels() - _diskstream->n_channels().n_audio());
151 } else if (_diskstream->n_channels().n_audio() > the_region->n_channels()) {
152 audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
157 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
159 if (configure_processors (&ps)) {
160 error << string_compose (_("Cannot setup auditioner processing flow for %1 channels"),
161 _diskstream->n_channels()) << endmsg;
166 /* force a panner reset now that we have all channels */
168 _main_outs->reset_panner();
170 length = the_region->length();
173 framecnt_t offset = the_region->sync_offset (dir);
175 /* can't audition from a negative sync point */
181 _diskstream->seek (offset);
182 current_frame = offset;
184 g_atomic_int_set (&_auditioning, 1);
188 Auditioner::play_audition (framecnt_t nframes)
190 bool need_butler = false;
191 framecnt_t this_nframes;
194 if (g_atomic_int_get (&_auditioning) == 0) {
199 this_nframes = min (nframes, length - current_frame);
201 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, need_butler)) != 0) {
206 current_frame += this_nframes;
208 if (current_frame >= length) {
209 _session.cancel_audition ();
212 return need_butler ? 1 : 0;
217 Auditioner::output_changed (IOChange change, void* /*src*/)
219 if (change.type & IOChange::ConnectionsChanged) {
221 vector<string> connections;
222 vector<string> outputs;
223 _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
224 if (_output->nth (0)->get_connections (connections)) {
225 if (outputs.size() > 0) {
228 if (phys != connections[0]) {
229 _session.config.set_auditioner_output_left (connections[0]);
231 _session.config.set_auditioner_output_left ("default");
234 _session.config.set_auditioner_output_left ("");
237 connections.clear ();
239 if (_output->nth (1)->get_connections (connections)) {
240 if (outputs.size() > 1) {
243 if (phys != connections[0]) {
244 _session.config.set_auditioner_output_right (connections[0]);
246 _session.config.set_auditioner_output_right ("default");
249 _session.config.set_auditioner_output_right ("");
255 Auditioner::input_streams () const
257 /* auditioner never has any inputs - its channel configuration
258 depends solely on the region we are auditioning.
261 if (audio_diskstream()) {
262 return audio_diskstream()->n_channels();
269 Auditioner::monitoring_state () const
271 return MonitoringDisk;