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/route.h>
28 #include <ardour/session.h>
29 #include <ardour/auditioner.h>
30 #include <ardour/audioplaylist.h>
31 #include <ardour/panner.h>
32 #include <ardour/data_type.h>
33 #include <ardour/region_factory.h>
36 using namespace ARDOUR;
41 Auditioner::Auditioner (Session& s)
42 : AudioTrack (s, "auditioner", Route::Hidden)
44 string left = Config->get_auditioner_output_left();
45 string right = Config->get_auditioner_output_right();
47 if (left == "default") {
48 left = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
51 if (right == "default") {
52 right = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
55 if ((left.length() == 0) && (right.length() == 0)) {
56 warning << _("no outputs available for auditioner - manual connection required") << endmsg;
63 add_output_port (left, this, DataType::AUDIO);
67 audio_diskstream()->add_channel (1);
68 add_output_port (right, this, DataType::AUDIO);
75 IO::output_changed.connect (mem_fun (*this, &Auditioner::output_changed));
77 the_region.reset ((AudioRegion*) 0);
78 g_atomic_int_set (&_active, 0);
81 Auditioner::~Auditioner ()
86 Auditioner::prepare_playlist ()
88 // FIXME auditioner is still audio-only
89 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_diskstream->playlist());
97 Auditioner::audition_current_playlist ()
99 if (g_atomic_int_get (&_active)) {
100 /* don't go via session for this, because we are going
106 Glib::Mutex::Lock lm (lock);
107 _diskstream->seek (0);
108 length = _diskstream->playlist()->get_maximum_extent();
111 /* force a panner reset now that we have all channels */
113 _panner->reset (n_outputs().n_audio(), _diskstream->n_channels().n_audio());
115 g_atomic_int_set (&_active, 1);
119 Auditioner::audition_region (boost::shared_ptr<Region> region)
121 if (g_atomic_int_get (&_active)) {
122 /* don't go via session for this, because we are going
128 if (boost::dynamic_pointer_cast<AudioRegion>(region) == 0) {
129 error << _("Auditioning of non-audio regions not yet supported") << endmsg;
133 Glib::Mutex::Lock lm (lock);
137 boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
138 the_region->set_position (0, this);
140 _diskstream->playlist()->clear ();
141 _diskstream->playlist()->add_region (the_region, 0, 1);
143 if (_diskstream->n_channels().n_audio() < the_region->n_channels()) {
144 audio_diskstream()->add_channel (the_region->n_channels() - _diskstream->n_channels().n_audio());
145 } else if (_diskstream->n_channels().n_audio() > the_region->n_channels()) {
146 audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
149 /* force a panner reset now that we have all channels */
153 length = the_region->length();
154 _diskstream->seek (0);
156 g_atomic_int_set (&_active, 1);
160 Auditioner::play_audition (nframes_t nframes)
163 nframes_t this_nframes;
166 if (g_atomic_int_get (&_active) == 0) {
167 silence (nframes, 0);
171 this_nframes = min (nframes, length - current_frame);
173 _diskstream->prepare ();
175 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, 0, false, false, false)) != 0) {
176 silence (nframes, 0);
180 need_butler = _diskstream->commit (this_nframes);
181 current_frame += this_nframes;
183 if (current_frame >= length) {
184 _session.cancel_audition ();
187 return need_butler ? 1 : 0;
192 Auditioner::output_changed (IOChange change, void* src)
196 if (change & ConnectionsChanged) {
197 const char ** connections;
198 connections = output (0)->get_connections ();
200 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
201 if (phys != connections[0]) {
202 Config->set_auditioner_output_left (connections[0]);
204 Config->set_auditioner_output_left ("default");
208 Config->set_auditioner_output_left ("");
211 connections = output (1)->get_connections ();
213 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
214 if (phys != connections[0]) {
215 Config->set_auditioner_output_right (connections[0]);
217 Config->set_auditioner_output_right ("default");
221 Config->set_auditioner_output_right ("");