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.
21 #include <glibmm/thread.h>
23 #include <pbd/error.h>
25 #include <ardour/audio_diskstream.h>
26 #include <ardour/audioregion.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.length() == 0) && (right.length() == 0)) {
54 add_output_port (left, this, DataType::AUDIO);
58 audio_diskstream()->add_channel();
59 add_output_port (right, this, DataType::AUDIO);
66 IO::output_changed.connect (mem_fun (*this, &Auditioner::output_changed));
68 the_region.reset ((AudioRegion*) 0);
69 g_atomic_int_set (&_active, 0);
72 Auditioner::~Auditioner ()
77 Auditioner::prepare_playlist ()
79 // FIXME auditioner is still audio-only
80 AudioPlaylist* const apl = dynamic_cast<AudioPlaylist*>(_diskstream->playlist());
88 Auditioner::audition_current_playlist ()
90 if (g_atomic_int_get (&_active)) {
91 /* don't go via session for this, because we are going
97 Glib::Mutex::Lock lm (lock);
98 _diskstream->seek (0);
99 length = _diskstream->playlist()->get_maximum_extent();
102 /* force a panner reset now that we have all channels */
104 _panner->reset (n_outputs().get(DataType::AUDIO), _diskstream->n_channels().get(DataType::AUDIO));
106 g_atomic_int_set (&_active, 1);
110 Auditioner::audition_region (boost::shared_ptr<Region> region)
112 if (g_atomic_int_get (&_active)) {
113 /* don't go via session for this, because we are going
119 if (boost::dynamic_pointer_cast<AudioRegion>(region) == 0) {
120 error << _("Auditioning of non-audio regions not yet supported") << endmsg;
124 Glib::Mutex::Lock lm (lock);
128 boost::shared_ptr<AudioRegion> the_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
129 the_region->set_position (0, this);
131 _diskstream->playlist()->clear (false);
132 _diskstream->playlist()->add_region (the_region, 0, 1, false);
134 while (_diskstream->n_channels().get(DataType::AUDIO) < the_region->n_channels()) {
135 audio_diskstream()->add_channel ();
138 while (_diskstream->n_channels().get(DataType::AUDIO) > the_region->n_channels()) {
139 audio_diskstream()->remove_channel ();
142 /* force a panner reset now that we have all channels */
146 length = the_region->length();
147 _diskstream->seek (0);
149 g_atomic_int_set (&_active, 1);
153 Auditioner::play_audition (jack_nframes_t nframes)
156 jack_nframes_t this_nframes;
159 if (g_atomic_int_get (&_active) == 0) {
160 silence (nframes, 0);
164 this_nframes = min (nframes, length - current_frame);
166 _diskstream->prepare ();
168 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, 0, false, false, false)) != 0) {
169 silence (nframes, 0);
173 need_butler = _diskstream->commit (this_nframes);
174 current_frame += this_nframes;
176 if (current_frame >= length) {
177 _session.cancel_audition ();
180 return need_butler ? 1 : 0;
185 Auditioner::output_changed (IOChange change, void* src)
187 if (change & ConnectionsChanged) {
188 const char ** connections;
189 connections = output (0)->get_connections ();
191 Config->set_auditioner_output_left (connections[0]);
195 connections = output (1)->get_connections ();
197 Config->set_auditioner_output_right (connections[0]);