2 Copyright (C) 2004-2007 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.
23 #include "pbd/basename.h"
25 #include "ardour/analyser.h"
26 #include "ardour/audiofilesource.h"
27 #include "ardour/audioregion.h"
28 #include "ardour/filter.h"
29 #include "ardour/region.h"
30 #include "ardour/region_factory.h"
31 #include "ardour/session.h"
32 #include "ardour/smf_source.h"
33 #include "ardour/source_factory.h"
38 using namespace ARDOUR;
42 Filter::make_new_sources (boost::shared_ptr<Region> region, SourceList& nsrcs, std::string suffix, bool use_session_sample_rate)
44 vector<string> names = region->master_source_names();
45 assert (region->n_channels() <= names.size());
47 for (uint32_t i = 0; i < region->n_channels(); ++i) {
49 string name = PBD::basename_nosuffix (names[i]);
51 /* remove any existing version of suffix by assuming it starts
52 with some kind of "special" character.
55 if (!suffix.empty()) {
56 string::size_type pos = name.find (suffix[0]);
57 if (pos != string::npos && pos > 2) {
58 name = name.substr (0, pos - 1);
62 const string path = (region->data_type() == DataType::MIDI)
63 ? session.new_midi_source_path (name)
64 : session.new_audio_source_path (name, region->n_channels(), i, false, false);
67 error << string_compose (_("filter: error creating name for new file based on %1"), region->name())
73 framecnt_t sample_rate;
74 if (use_session_sample_rate) {
75 sample_rate = session.frame_rate();
77 boost::shared_ptr<AudioRegion> aregion = boost::dynamic_pointer_cast<AudioRegion>(region);
80 sample_rate = aregion->audio_source()->sample_rate();
86 nsrcs.push_back (boost::dynamic_pointer_cast<Source> (
87 SourceFactory::createWritable (region->data_type(), session,
88 path, false, sample_rate)));
91 catch (failed_constructor& err) {
92 error << string_compose (_("filter: error creating new file %1 (%2)"), path, strerror (errno)) << endmsg;
101 Filter::finish (boost::shared_ptr<Region> region, SourceList& nsrcs, string region_name)
103 /* update headers on new sources */
109 now = localtime (&xnow);
112 for (SourceList::iterator si = nsrcs.begin(); si != nsrcs.end(); ++si) {
113 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*si);
115 afs->done_with_peakfile_writes ();
116 afs->update_header (region->position(), *now, xnow);
117 afs->mark_immutable ();
120 boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource>(*si);
122 smfs->set_timeline_position (region->position());
126 /* now that there is data there, requeue the file for analysis */
128 Analyser::queue_source_for_analysis (*si, false);
131 /* create a new region */
133 if (region_name.empty()) {
134 region_name = RegionFactory::new_region_name (region->name());
140 plist.add (Properties::start, 0);
141 plist.add (Properties::length, region->length());
142 plist.add (Properties::name, region_name);
143 plist.add (Properties::whole_file, true);
144 plist.add (Properties::position, region->position());
146 boost::shared_ptr<Region> r = RegionFactory::create (nsrcs, plist);
148 boost::shared_ptr<AudioRegion> audio_region = boost::dynamic_pointer_cast<AudioRegion> (region);
149 boost::shared_ptr<AudioRegion> audio_r = boost::dynamic_pointer_cast<AudioRegion> (r);
150 if (audio_region && audio_r) {
151 audio_r->set_scale_amplitude (audio_region->scale_amplitude());
152 audio_r->set_fade_in_active (audio_region->fade_in_active ());
153 audio_r->set_fade_in (audio_region->fade_in ());
154 audio_r->set_fade_out_active (audio_region->fade_out_active ());
155 audio_r->set_fade_out (audio_region->fade_out ());
156 *(audio_r->envelope()) = *(audio_region->envelope ());
158 results.push_back (r);