libs/ardour/import.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #include <cstdio>
  21 #include <cstdlib>
  22 #include <string>
  23 #include <climits>
  24 #include <cerrno>
  25 #include <unistd.h>
  26 #include <sys/stat.h>
  27 #include <time.h>
  28
  29 #include <sndfile.h>
  30 #include <samplerate.h>
  31
  32 #include <glibmm.h>
  33
  34 #include <boost/scoped_array.hpp>
  35 #include <boost/shared_array.hpp>
  36
  37 #include <pbd/basename.h>
  38 #include <pbd/convert.h>
  39
  40 #include <ardour/ardour.h>
  41 #include <ardour/session.h>
  42 #include <ardour/audio_diskstream.h>
  43 #include <ardour/sndfilesource.h>
  44 #include <ardour/sndfile_helpers.h>
  45 #include <ardour/audioregion.h>
  46 #include <ardour/region_factory.h>
  47 #include <ardour/source_factory.h>
  48 #include <ardour/resampled_source.h>
  49 #include <ardour/sndfileimportable.h>
  50 #include <ardour/analyser.h>
  51
  52 #ifdef HAVE_COREAUDIO
  53 #ifdef USE_COREAUDIO_FOR_FILE_IO
  54 #include <ardour/caimportable.h>
  55 #endif
  56 #endif
  57
  58 #include "i18n.h"
  59
  60 using namespace ARDOUR;
  61 using namespace PBD;
  62
  63
  64 static boost::shared_ptr<ImportableSource>
  65 open_importable_source (const string& path, nframes_t samplerate, ARDOUR::SrcQuality quality)
  66 {
  67 #ifdef HAVE_COREAUDIO
  68 #ifdef USE_COREAUDIO_FOR_FILE_IO
  69
  70         /* see if we can use CoreAudio to handle the IO */
  71
  72         try {
  73                 CAImportableSource* src = new CAImportableSource(path);
  74                 boost::shared_ptr<CAImportableSource> source (src);
  75
  76                 if (source->samplerate() == samplerate) {
  77                         return source;
  78                 }
  79
  80                 /* rewrap as a resampled source */
  81
  82                 return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
  83         }
  84
  85         catch (...) {
  86
  87                 /* fall back to SndFile */
  88 #endif
  89 #endif
  90
  91                 try {
  92                         boost::shared_ptr<SndFileImportableSource> source(new SndFileImportableSource(path));
  93
  94                         if (source->samplerate() == samplerate) {
  95                                 return source;
  96                         }
  97
  98                         /* rewrap as a resampled source */
  99
 100                         return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
 101                 }
 102
 103                 catch (...) {
 104                         throw; // rethrow
 105                 }
 106
 107 #ifdef HAVE_COREAUDIO
 108 #ifdef USE_COREAUDIO_FOR_FILE_IO
 109         }
 110 #endif
 111 #endif
 112 }
 113
 114 static std::string
 115 get_non_existent_filename (const bool allow_replacing, const std::string destdir, const std::string& basename, uint channel, uint channels)
 116 {
 117         char buf[PATH_MAX+1];
 118         bool goodfile = false;
 119         string base(basename);
 120
 121         do {
 122                 if (channels == 2) {
 123                         if (channel == 0) {
 124                                 snprintf (buf, sizeof(buf), "%s-L.wav", base.c_str());
 125                         } else {
 126                                 snprintf (buf, sizeof(buf), "%s-R.wav", base.c_str());
 127                         }
 128                 } else if (channels > 1) {
 129                         snprintf (buf, sizeof(buf), "%s-c%d.wav", base.c_str(), channel+1);
 130                 } else {
 131                         snprintf (buf, sizeof(buf), "%s.wav", base.c_str());
 132                 }
 133
 134
 135                 string tempname = destdir + "/" + buf;
 136                 if (!allow_replacing && Glib::file_test (tempname, Glib::FILE_TEST_EXISTS)) {
 137
 138                         /* if the file already exists, we must come up with
 139                          *  a new name for it.  for now we just keep appending
 140                          *  _ to basename
 141                          */
 142
 143                         base += "_";
 144
 145                 } else {
 146
 147                         goodfile = true;
 148                 }
 149
 150         } while ( !goodfile);
 151
 152         return buf;
 153 }
 154
 155 static vector<string>
 156 get_paths_for_new_sources (const bool allow_replacing, const string& import_file_path, const string& session_dir, uint channels)
 157 {
 158         vector<string> new_paths;
 159         const string basename = basename_nosuffix (import_file_path);
 160
 161         for (uint n = 0; n < channels; ++n) {
 162
 163                 std::string filepath;
 164
 165                 filepath = session_dir;
 166                 filepath += '/';
 167                 filepath += get_non_existent_filename (allow_replacing, session_dir, basename, n, channels);
 168
 169                 new_paths.push_back (filepath);
 170         }
 171
 172         return new_paths;
 173 }
 174
 175 static bool
 176 map_existing_mono_sources (const vector<string>& new_paths, Session& sess,
 177                            uint samplerate, vector<boost::shared_ptr<AudioFileSource> >& newfiles, Session *session)
 178 {
 179         for (vector<string>::const_iterator i = new_paths.begin();
 180                         i != new_paths.end(); ++i)
 181         {
 182                 boost::shared_ptr<Source> source = session->source_by_path_and_channel(*i, 0);
 183
 184                 if (source == 0) {
 185                         error << string_compose(_("Could not find a source for %1 even though we are updating this file!"), (*i)) << endl;
 186                         return false;
 187                 }
 188
 189                 newfiles.push_back(boost::dynamic_pointer_cast<AudioFileSource>(source));
 190         }
 191         return true;
 192 }
 193
 194 static bool
 195 create_mono_sources_for_writing (const vector<string>& new_paths, Session& sess,
 196                 uint samplerate, vector<boost::shared_ptr<AudioFileSource> >& newfiles)
 197 {
 198         for (vector<string>::const_iterator i = new_paths.begin();
 199                         i != new_paths.end(); ++i)
 200         {
 201                 boost::shared_ptr<Source> source;
 202
 203                 try
 204                 {
 205                         source = SourceFactory::createWritable (
 206                                 sess,
 207                                 i->c_str(),
 208                                 false, // destructive
 209                                 samplerate
 210                                 );
 211                 }
 212                 catch (const failed_constructor& err)
 213                 {
 214                         error << string_compose (_("Unable to create file %1 during import"), *i) << endmsg;
 215                         return false;
 216                 }
 217
 218                 newfiles.push_back(boost::dynamic_pointer_cast<AudioFileSource>(source));
 219         }
 220         return true;
 221 }
 222
 223 static Glib::ustring
 224 compose_status_message (const string& path,
 225                         uint file_samplerate,
 226                         uint session_samplerate,
 227                         uint current_file,
 228                         uint total_files)
 229 {
 230         if (file_samplerate != session_samplerate) {
 231                 return string_compose (_("converting %1\n(resample from %2KHz to %3KHz)\n(%4 of %5)"),
 232                                        Glib::path_get_basename (path),
 233                                        file_samplerate/1000.0f,
 234                                        session_samplerate/1000.0f,
 235                                        current_file, total_files);
 236         }
 237
 238         return  string_compose (_("converting %1\n(%2 of %3)"),
 239                                 Glib::path_get_basename (path),
 240                                 current_file, total_files);
 241 }
 242
 243 static void
 244 write_audio_data_to_new_files (ImportableSource* source, Session::import_status& status,
 245                                vector<boost::shared_ptr<AudioFileSource> >& newfiles)
 246 {
 247         const nframes_t nframes = ResampledImportableSource::blocksize;
 248         uint channels = source->channels();
 249
 250         boost::scoped_array<float> data(new float[nframes * channels]);
 251         vector<boost::shared_array<Sample> > channel_data;
 252
 253         for (uint n = 0; n < channels; ++n) {
 254                 channel_data.push_back(boost::shared_array<Sample>(new Sample[nframes]));
 255         }
 256
 257         uint read_count = 0;
 258         status.progress = 0.0f;
 259
 260         while (!status.cancel) {
 261
 262                 nframes_t nread, nfread;
 263                 uint x;
 264                 uint chn;
 265
 266                 if ((nread = source->read (data.get(), nframes)) == 0) {
 267                         break;
 268                 }
 269                 nfread = nread / channels;
 270
 271                 /* de-interleave */
 272
 273                 for (chn = 0; chn < channels; ++chn) {
 274
 275                         nframes_t n;
 276                         for (x = chn, n = 0; n < nfread; x += channels, ++n) {
 277                                 channel_data[chn][n] = (Sample) data[x];
 278                         }
 279                 }
 280
 281                 /* flush to disk */
 282
 283                 for (chn = 0; chn < channels; ++chn) {
 284                         newfiles[chn]->write (channel_data[chn].get(), nfread);
 285                 }
 286
 287                 read_count += nread;
 288                 status.progress = read_count / (source->ratio () * source->length() * channels);
 289         }
 290 }
 291
 292 static void
 293 remove_file_source (boost::shared_ptr<AudioFileSource> file_source)
 294 {
 295         ::unlink (file_source->path().c_str());
 296 }
 297
 298 // This function is still unable to cleanly update an existing source, even though
 299 // it is possible to set the import_status flag accordingly. The functinality
 300 // is disabled at the GUI until the Source implementations are able to provide
 301 // the necessary API.
 302 void
 303 Session::import_audiofiles (import_status& status)
 304 {
 305         uint32_t cnt = 1;
 306         typedef vector<boost::shared_ptr<AudioFileSource> > AudioSources;
 307         AudioSources all_new_sources;
 308
 309         status.sources.clear ();
 310
 311         for (vector<Glib::ustring>::iterator p = status.paths.begin();
 312                         p != status.paths.end() && !status.cancel;
 313                         ++p, ++cnt)
 314         {
 315                 boost::shared_ptr<ImportableSource> source;
 316
 317                 try
 318                 {
 319                         source = open_importable_source (*p, frame_rate(), status.quality);
 320                 }
 321
 322                 catch (const failed_constructor& err)
 323                 {
 324                         error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
 325                         status.done = status.cancel = true;
 326                         return;
 327                 }
 328
 329                 vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source,
 330                                                                       *p,
 331                                                                       discover_best_sound_dir (),
 332                                                                       source->channels());
 333
 334                 AudioSources newfiles;
 335
 336                 if (status.replace_existing_source) {
 337                         fatal << "THIS IS NOT IMPLEMENTED YET, IT SHOULD NEVER GET CALLED!!! DYING!" << endl;
 338                         status.cancel = !map_existing_mono_sources (new_paths, *this, frame_rate(), newfiles, this);
 339                 } else {
 340                         status.cancel = !create_mono_sources_for_writing (new_paths, *this, frame_rate(), newfiles);
 341                 }
 342
 343                 // copy on cancel/failure so that any files that were created will be removed below
 344                 std::copy (newfiles.begin(), newfiles.end(), std::back_inserter(all_new_sources));
 345
 346                 if (status.cancel) break;
 347
 348                 for (AudioSources::iterator i = newfiles.begin(); i != newfiles.end(); ++i) {
 349                         (*i)->prepare_for_peakfile_writes ();
 350                 }
 351
 352                 status.doing_what = compose_status_message (*p, source->samplerate(),
 353                                 frame_rate(), cnt, status.total);
 354
 355                 write_audio_data_to_new_files (source.get(), status, newfiles);
 356         }
 357
 358         if (!status.cancel) {
 359                 struct tm* now;
 360                 time_t xnow;
 361                 time (&xnow);
 362                 now = localtime (&xnow);
 363                 status.freeze = true;
 364
 365                 /* flush the final length(s) to the header(s) */
 366
 367                 for (AudioSources::iterator x = all_new_sources.begin(); x != all_new_sources.end(); ++x)
 368                 {
 369                         (*x)->update_header(0, *now, xnow);
 370                         (*x)->done_with_peakfile_writes ();
 371
 372                         /* now that there is data there, requeue the file for analysis */
 373
 374                         if (Config->get_auto_analyse_audio()) {
 375                                 Analyser::queue_source_for_analysis (boost::static_pointer_cast<Source>(*x), false);
 376                         }
 377                 }
 378
 379                 /* save state so that we don't lose these new Sources */
 380
 381                 save_state (_name);
 382
 383                 std::copy (all_new_sources.begin(), all_new_sources.end(), std::back_inserter(status.sources));
 384         } else {
 385                 // this can throw...but it seems very unlikely
 386                 std::for_each (all_new_sources.begin(), all_new_sources.end(), remove_file_source);
 387         }
 388
 389         status.done = true;
 390 }
 391
 392