2 Copyright (C) 2000 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.
30 #include <samplerate.h>
34 #include <boost/scoped_array.hpp>
35 #include <boost/shared_array.hpp>
37 #include <pbd/basename.h>
38 #include <pbd/convert.h>
40 #include <ardour/ardour.h>
41 #include <ardour/session.h>
42 #include <ardour/session_directory.h>
43 #include <ardour/audio_diskstream.h>
44 #include <ardour/audioengine.h>
45 #include <ardour/sndfilesource.h>
46 #include <ardour/sndfile_helpers.h>
47 #include <ardour/audioregion.h>
48 #include <ardour/region_factory.h>
49 #include <ardour/source_factory.h>
50 #include <ardour/resampled_source.h>
51 #include <ardour/sndfileimportable.h>
52 #include <ardour/analyser.h>
53 #include <ardour/smf_reader.h>
54 #include <ardour/smf_source.h>
55 #include <ardour/tempo.h>
58 #include <ardour/caimportable.h>
63 using namespace ARDOUR;
67 static boost::shared_ptr<ImportableSource>
68 open_importable_source (const string& path, nframes_t samplerate, ARDOUR::SrcQuality quality)
72 /* see if we can use CoreAudio to handle the IO */
75 boost::shared_ptr<CAImportableSource> source(new CAImportableSource(path));
77 if (source->samplerate() == samplerate) {
81 /* rewrap as a resampled source */
83 return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
88 /* fall back to SndFile */
93 boost::shared_ptr<SndFileImportableSource> source(new SndFileImportableSource(path));
95 if (source->samplerate() == samplerate) {
99 /* rewrap as a resampled source */
101 return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
108 #ifdef HAVE_COREAUDIO
114 get_non_existent_filename (DataType type, const bool allow_replacing, const std::string destdir, const std::string& basename, uint channel, uint channels)
116 char buf[PATH_MAX+1];
117 bool goodfile = false;
118 string base(basename);
119 const char* ext = (type == DataType::AUDIO) ? "wav" : "mid";
123 if (type == DataType::AUDIO && channels == 2) {
125 snprintf (buf, sizeof(buf), "%s-L.wav", base.c_str());
127 snprintf (buf, sizeof(buf), "%s-R.wav", base.c_str());
129 } else if (channels > 1) {
130 snprintf (buf, sizeof(buf), "%s-c%d.%s", base.c_str(), channel, ext);
132 snprintf (buf, sizeof(buf), "%s.%s", base.c_str(), ext);
136 string tempname = destdir + "/" + buf;
137 if (!allow_replacing && Glib::file_test (tempname, Glib::FILE_TEST_EXISTS)) {
139 /* if the file already exists, we must come up with
140 * a new name for it. for now we just keep appending
151 } while ( !goodfile);
156 static vector<string>
157 get_paths_for_new_sources (const bool allow_replacing, const string& import_file_path, const string& session_dir, uint channels)
159 vector<string> new_paths;
160 const string basename = basename_nosuffix (import_file_path);
162 SessionDirectory sdir(session_dir);
164 for (uint n = 0; n < channels; ++n) {
166 const DataType type = (import_file_path.rfind(".mid") != string::npos)
167 ? DataType::MIDI : DataType::AUDIO;
169 std::string filepath = (type == DataType::MIDI)
170 ? sdir.midi_path().to_string() : sdir.sound_path().to_string();
173 filepath += get_non_existent_filename (type, allow_replacing, filepath, basename, n, channels);
174 new_paths.push_back (filepath);
181 map_existing_mono_sources (const vector<string>& new_paths, Session& sess,
182 uint samplerate, vector<boost::shared_ptr<Source> >& newfiles, Session *session)
184 for (vector<string>::const_iterator i = new_paths.begin();
185 i != new_paths.end(); ++i)
187 boost::shared_ptr<Source> source = session->source_by_path_and_channel(*i, 0);
190 error << string_compose(_("Could not find a source for %1 even though we are updating this file!"), (*i)) << endl;
194 newfiles.push_back(boost::dynamic_pointer_cast<Source>(source));
200 create_mono_sources_for_writing (const vector<string>& new_paths, Session& sess,
201 uint samplerate, vector<boost::shared_ptr<Source> >& newfiles)
203 for (vector<string>::const_iterator i = new_paths.begin();
204 i != new_paths.end(); ++i)
206 boost::shared_ptr<Source> source;
210 const DataType type = ((*i).rfind(".mid") != string::npos)
211 ? DataType::MIDI : DataType::AUDIO;
213 source = SourceFactory::createWritable (
217 false, // destructive
221 catch (const failed_constructor& err)
223 error << string_compose (_("Unable to create file %1 during import"), *i) << endmsg;
227 newfiles.push_back(boost::dynamic_pointer_cast<Source>(source));
233 compose_status_message (const string& path,
234 uint file_samplerate,
235 uint session_samplerate,
239 if (file_samplerate != session_samplerate) {
240 return string_compose (_("converting %1\n(resample from %2KHz to %3KHz)\n(%4 of %5)"),
241 Glib::path_get_basename (path),
242 file_samplerate/1000.0f,
243 session_samplerate/1000.0f,
244 current_file, total_files);
247 return string_compose (_("converting %1\n(%2 of %3)"),
248 Glib::path_get_basename (path),
249 current_file, total_files);
253 write_audio_data_to_new_files (ImportableSource* source, Session::import_status& status,
254 vector<boost::shared_ptr<Source> >& newfiles)
256 const nframes_t nframes = ResampledImportableSource::blocksize;
257 boost::shared_ptr<AudioFileSource> afs;
258 uint channels = source->channels();
260 boost::scoped_array<float> data(new float[nframes * channels]);
261 vector<boost::shared_array<Sample> > channel_data;
263 for (uint n = 0; n < channels; ++n) {
264 channel_data.push_back(boost::shared_array<Sample>(new Sample[nframes]));
268 status.progress = 0.0f;
270 while (!status.cancel) {
272 nframes_t nread, nfread;
276 if ((nread = source->read (data.get(), nframes)) == 0) {
279 nfread = nread / channels;
283 for (chn = 0; chn < channels; ++chn) {
286 for (x = chn, n = 0; n < nfread; x += channels, ++n) {
287 channel_data[chn][n] = (Sample) data[x];
293 for (chn = 0; chn < channels; ++chn) {
294 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(newfiles[chn])) != 0) {
295 afs->write (channel_data[chn].get(), nfread);
300 status.progress = read_count / (source->ratio () * source->length() * channels);
305 write_midi_data_to_new_files (SMFReader* source, Session::import_status& status,
306 vector<boost::shared_ptr<Source> >& newfiles)
308 MIDI::Event ev(0.0, 4, NULL, true);
310 status.progress = 0.0f;
314 for (unsigned i = 1; i <= source->num_tracks(); ++i) {
316 boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource>(newfiles[i-1]);
318 source->seek_to_track(i);
321 uint32_t delta_t = 0;
324 while (!status.cancel) {
326 if (source->read_event(4, ev.buffer(), &size, &delta_t) < 0)
330 ev.time() = (double)t / (double)source->ppqn();
333 smfs->append_event_unlocked(Beats, ev);
334 if (status.progress < 0.99)
335 status.progress += 0.01;
338 nframes_t timeline_position = 0; // FIXME: ?
340 // FIXME: kluuuuudge: assumes tempo never changes after start
341 const double frames_per_beat = smfs->session().tempo_map().tempo_at(
342 timeline_position).frames_per_beat(
343 smfs->session().engine().frame_rate(),
344 smfs->session().tempo_map().meter_at(timeline_position));
346 smfs->update_length(0, (nframes_t) floor ((t * source->ppqn()) * frames_per_beat));
348 smfs->flush_header();
349 smfs->flush_footer();
356 error << "Corrupt MIDI file " << source->filename() << endl;
361 remove_file_source (boost::shared_ptr<Source> source)
363 ::unlink (source->path().c_str());
366 // This function is still unable to cleanly update an existing source, even though
367 // it is possible to set the import_status flag accordingly. The functinality
368 // is disabled at the GUI until the Source implementations are able to provide
369 // the necessary API.
371 Session::import_audiofiles (import_status& status)
374 typedef vector<boost::shared_ptr<Source> > Sources;
375 Sources all_new_sources;
376 boost::shared_ptr<AudioFileSource> afs;
377 boost::shared_ptr<SMFSource> smfs;
380 status.sources.clear ();
382 for (vector<Glib::ustring>::iterator p = status.paths.begin();
383 p != status.paths.end() && !status.cancel;
386 boost::shared_ptr<ImportableSource> source;
387 std::auto_ptr<SMFReader> smf_reader;
388 const DataType type = ((*p).rfind(".mid") != string::npos) ?
389 DataType::MIDI : DataType::AUDIO;
391 if (type == DataType::AUDIO) {
393 source = open_importable_source (*p, frame_rate(), status.quality);
394 channels = source->channels();
395 } catch (const failed_constructor& err) {
396 error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
397 status.done = status.cancel = true;
403 smf_reader = std::auto_ptr<SMFReader>(new SMFReader(*p));
404 channels = smf_reader->num_tracks();
405 } catch (const SMFReader::UnsupportedTime& err) {
406 error << _("Import: unsupported MIDI time stamp format") << endmsg;
407 status.done = status.cancel = true;
410 error << _("Import: error reading MIDI file") << endmsg;
411 status.done = status.cancel = true;
416 vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source, *p,
417 get_best_session_directory_for_new_source (),
421 if (status.replace_existing_source) {
422 fatal << "THIS IS NOT IMPLEMENTED YET, IT SHOULD NEVER GET CALLED!!! DYING!" << endl;
423 status.cancel = !map_existing_mono_sources (new_paths, *this, frame_rate(), newfiles, this);
425 status.cancel = !create_mono_sources_for_writing (new_paths, *this, frame_rate(), newfiles);
428 // copy on cancel/failure so that any files that were created will be removed below
429 std::copy (newfiles.begin(), newfiles.end(), std::back_inserter(all_new_sources));
431 if (status.cancel) break;
433 for (Sources::iterator i = newfiles.begin(); i != newfiles.end(); ++i) {
434 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(*i)) != 0) {
435 afs->prepare_for_peakfile_writes ();
439 if (source) { // audio
440 status.doing_what = compose_status_message (*p, source->samplerate(),
441 frame_rate(), cnt, status.paths.size());
442 write_audio_data_to_new_files (source.get(), status, newfiles);
443 } else if (smf_reader.get()) { // midi
444 status.doing_what = string_compose(_("loading MIDI file %1"), *p);
445 write_midi_data_to_new_files (smf_reader.get(), status, newfiles);
449 if (!status.cancel) {
453 now = localtime (&xnow);
454 status.freeze = true;
456 /* flush the final length(s) to the header(s) */
458 for (Sources::iterator x = all_new_sources.begin(); x != all_new_sources.end(); ) {
459 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(*x)) != 0) {
460 afs->update_header(0, *now, xnow);
461 afs->done_with_peakfile_writes ();
464 /* now that there is data there, requeue the file for analysis */
466 if (Config->get_auto_analyse_audio()) {
467 Analyser::queue_source_for_analysis (boost::static_pointer_cast<Source>(*x), false);
470 /* don't create tracks for empty MIDI sources (channels) */
471 if ((smfs = boost::dynamic_pointer_cast<SMFSource>(*x)) != 0 && smfs->is_empty()) {
472 x = all_new_sources.erase(x);
478 /* save state so that we don't lose these new Sources */
482 std::copy (all_new_sources.begin(), all_new_sources.end(),
483 std::back_inserter(status.sources));
485 // this can throw...but it seems very unlikely
486 std::for_each (all_new_sources.begin(), all_new_sources.end(), remove_file_source);