164 lines
4.7 KiB
C++
164 lines
4.7 KiB
C++
/*
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Copyright (C) 2004-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <time.h>
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#include <cerrno>
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#include "pbd/basename.h"
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#include "ardour/analyser.h"
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#include "ardour/audiofilesource.h"
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#include "ardour/audioregion.h"
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#include "ardour/filter.h"
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#include "ardour/region.h"
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#include "ardour/region_factory.h"
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#include "ardour/session.h"
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#include "ardour/smf_source.h"
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#include "ardour/source_factory.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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int
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Filter::make_new_sources (boost::shared_ptr<Region> region, SourceList& nsrcs, std::string suffix, bool use_session_sample_rate)
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{
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vector<string> names = region->master_source_names();
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assert (region->n_channels() <= names.size());
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for (uint32_t i = 0; i < region->n_channels(); ++i) {
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string name = PBD::basename_nosuffix (names[i]);
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/* remove any existing version of suffix by assuming it starts
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with some kind of "special" character.
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*/
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if (!suffix.empty()) {
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string::size_type pos = name.find (suffix[0]);
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if (pos != string::npos && pos > 2) {
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name = name.substr (0, pos - 1);
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}
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}
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const string path = (region->data_type() == DataType::MIDI)
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? session.new_midi_source_path (name)
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: session.new_audio_source_path (name, region->n_channels(), i, false, false);
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if (path.empty()) {
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error << string_compose (_("filter: error creating name for new file based on %1"), region->name())
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<< endmsg;
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return -1;
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}
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try {
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framecnt_t sample_rate;
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if (use_session_sample_rate) {
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sample_rate = session.frame_rate();
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} else {
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boost::shared_ptr<AudioRegion> aregion = boost::dynamic_pointer_cast<AudioRegion>(region);
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if (aregion) {
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sample_rate = aregion->audio_source()->sample_rate();
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} else {
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return -1;
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}
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}
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nsrcs.push_back (boost::dynamic_pointer_cast<Source> (
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SourceFactory::createWritable (region->data_type(), session,
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path, false, sample_rate)));
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}
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catch (failed_constructor& err) {
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error << string_compose (_("filter: error creating new file %1 (%2)"), path, strerror (errno)) << endmsg;
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return -1;
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}
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}
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return 0;
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}
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int
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Filter::finish (boost::shared_ptr<Region> region, SourceList& nsrcs, string region_name)
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{
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/* update headers on new sources */
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time_t xnow;
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struct tm* now;
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time (&xnow);
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now = localtime (&xnow);
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/* this is ugly. */
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for (SourceList::iterator si = nsrcs.begin(); si != nsrcs.end(); ++si) {
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boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*si);
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if (afs) {
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afs->done_with_peakfile_writes ();
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afs->update_header (region->position(), *now, xnow);
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afs->mark_immutable ();
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}
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boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource>(*si);
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if (smfs) {
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smfs->set_timeline_position (region->position());
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smfs->flush ();
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}
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/* now that there is data there, requeue the file for analysis */
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Analyser::queue_source_for_analysis (*si, false);
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}
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/* create a new region */
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if (region_name.empty()) {
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region_name = RegionFactory::new_region_name (region->name());
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}
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results.clear ();
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PropertyList plist;
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plist.add (Properties::start, 0);
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plist.add (Properties::length, region->length());
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plist.add (Properties::name, region_name);
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plist.add (Properties::whole_file, true);
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plist.add (Properties::position, region->position());
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boost::shared_ptr<Region> r = RegionFactory::create (nsrcs, plist);
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boost::shared_ptr<AudioRegion> audio_region = boost::dynamic_pointer_cast<AudioRegion> (region);
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boost::shared_ptr<AudioRegion> audio_r = boost::dynamic_pointer_cast<AudioRegion> (r);
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if (audio_region && audio_r) {
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audio_r->set_scale_amplitude (audio_region->scale_amplitude());
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audio_r->set_fade_in_active (audio_region->fade_in_active ());
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audio_r->set_fade_in (audio_region->fade_in ());
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audio_r->set_fade_out_active (audio_region->fade_out_active ());
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audio_r->set_fade_out (audio_region->fade_out ());
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*(audio_r->envelope()) = *(audio_region->envelope ());
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}
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results.push_back (r);
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return 0;
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}
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