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/panner.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)
45 string left = _session.config.get_auditioner_output_left();
46 string right = _session.config.get_auditioner_output_right();
48 if (left == "default") {
49 left = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
52 if (right == "default") {
53 right = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
56 if ((left.length() == 0) && (right.length() == 0)) {
57 warning << _("no outputs available for auditioner - manual connection required") << endmsg;
61 _main_outs->defer_pan_reset ();
64 _output->add_port (left, this, DataType::AUDIO);
68 audio_diskstream()->add_channel (1);
69 _output->add_port (right, this, DataType::AUDIO);
72 _main_outs->allow_pan_reset ();
73 _main_outs->reset_panner ();
75 _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 _main_outs->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()->drop_regions ();
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 */
151 _main_outs->reset_panner();
153 length = the_region->length();
156 nframes_t offset = the_region->sync_offset (dir);
158 /* can't audition from a negative sync point */
164 _diskstream->seek (offset);
165 current_frame = offset;
167 g_atomic_int_set (&_active, 1);
171 Auditioner::play_audition (nframes_t nframes)
174 nframes_t this_nframes;
177 if (g_atomic_int_get (&_active) == 0) {
182 this_nframes = min (nframes, length - current_frame);
184 _diskstream->prepare ();
186 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, false, false)) != 0) {
191 need_butler = _diskstream->commit (this_nframes);
192 current_frame += this_nframes;
194 if (current_frame >= length) {
195 _session.cancel_audition ();
198 return need_butler ? 1 : 0;
203 Auditioner::output_changed (IOChange change, void* src)
207 if (change & ConnectionsChanged) {
208 vector<string> connections;
209 if (_output->nth (0)->get_connections (connections)) {
210 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 0);
211 if (phys != connections[0]) {
212 _session.config.set_auditioner_output_left (connections[0]);
214 _session.config.set_auditioner_output_left ("default");
217 _session.config.set_auditioner_output_left ("");
220 connections.clear ();
222 if (_output->nth (1)->get_connections (connections)) {
223 phys = _session.engine().get_nth_physical_output (DataType::AUDIO, 1);
224 if (phys != connections[0]) {
225 _session.config.set_auditioner_output_right (connections[0]);
227 _session.config.set_auditioner_output_right ("default");
230 _session.config.set_auditioner_output_right ("");