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 <pbd/basename.h>
  35 #include <pbd/convert.h>
  36
  37 #include <ardour/ardour.h>
  38 #include <ardour/session.h>
  39 #include <ardour/session_directory.h>
  40 #include <ardour/audio_diskstream.h>
  41 #include <ardour/sndfilesource.h>
  42 #include <ardour/sndfile_helpers.h>
  43 #include <ardour/audioregion.h>
  44 #include <ardour/region_factory.h>
  45 #include <ardour/source_factory.h>
  46 #include <ardour/resampled_source.h>
  47
  48 #include "i18n.h"
  49
  50 using namespace ARDOUR;
  51 using namespace PBD;
  52
  53 int
  54 Session::import_audiofile (import_status& status)
  55 {
  56         SNDFILE *in;
  57         vector<boost::shared_ptr<AudioFileSource> > newfiles;
  58         SF_INFO info;
  59         float *data = 0;
  60         Sample **channel_data = 0;
  61         int nfiles = 0;
  62         string basepath;
  63         string sounds_dir;
  64         nframes_t so_far;
  65         char buf[PATH_MAX+1];
  66         int ret = -1;
  67         vector<string> new_paths;
  68         struct tm* now;
  69         ImportableSource* importable = 0;
  70         const nframes_t nframes = ResampledImportableSource::blocksize;
  71         uint32_t cnt = 1;
  72
  73         status.sources.clear ();
  74
  75         for (vector<Glib::ustring>::iterator p = status.paths.begin(); p != status.paths.end(); ++p, ++cnt) {
  76
  77                 if ((in = sf_open ((*p).c_str(), SFM_READ, &info)) == 0) {
  78                         error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
  79                         status.done = 1;
  80                         status.cancel = 1;
  81                         return -1;
  82                 }
  83
  84                 if ((nframes_t) info.samplerate != frame_rate()) {
  85                         importable = new ResampledImportableSource (in, &info, frame_rate(), status.quality);
  86                 } else {
  87                         importable = new ImportableSource (in, &info);
  88                 }
  89
  90                 newfiles.clear ();
  91
  92                 for (int n = 0; n < info.channels; ++n) {
  93                         newfiles.push_back (boost::shared_ptr<AudioFileSource>());
  94                 }
  95
  96                 SessionDirectory sdir(get_best_session_directory_for_new_source ());
  97                 sounds_dir = sdir.sound_path().to_string();
  98
  99                 basepath = PBD::basename_nosuffix ((*p));
 100
 101                 for (int n = 0; n < info.channels; ++n) {
 102
 103                         bool goodfile = false;
 104
 105                         do {
 106                                 if (info.channels == 2) {
 107                                         if (n == 0) {
 108                                                 snprintf (buf, sizeof(buf), "%s/%s-L.wav", sounds_dir.c_str(), basepath.c_str());
 109                                         } else {
 110                                                 snprintf (buf, sizeof(buf), "%s/%s-R.wav", sounds_dir.c_str(), basepath.c_str());
 111                                         }
 112                                 } else if (info.channels > 1) {
 113                                         snprintf (buf, sizeof(buf), "%s/%s-c%d.wav", sounds_dir.c_str(), basepath.c_str(), n+1);
 114                                 } else {
 115                                         snprintf (buf, sizeof(buf), "%s/%s.wav", sounds_dir.c_str(), basepath.c_str());
 116                                 }
 117
 118                                 if (Glib::file_test (buf, Glib::FILE_TEST_EXISTS)) {
 119
 120                                         /* if the file already exists, we must come up with
 121                                          *  a new name for it.  for now we just keep appending
 122                                          *  _ to basepath
 123                                          */
 124
 125                                         basepath += "_";
 126
 127                                 } else {
 128
 129                                         goodfile = true;
 130                                 }
 131
 132                         } while ( !goodfile);
 133
 134                         try {
 135                                 newfiles[n] = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (DataType::AUDIO, *this, buf, false, frame_rate()));
 136                         }
 137
 138                         catch (failed_constructor& err) {
 139                                 error << string_compose(_("Session::import_audiofile: cannot open new file source for channel %1"), n+1) << endmsg;
 140                                 goto out;
 141                         }
 142
 143                         new_paths.push_back (buf);
 144                         newfiles[n]->prepare_for_peakfile_writes ();
 145                         nfiles++;
 146                 }
 147
 148                 data = new float[nframes * info.channels];
 149                 channel_data = new Sample * [ info.channels ];
 150
 151                 for (int n = 0; n < info.channels; ++n) {
 152                         channel_data[n] = new Sample[nframes];
 153                 }
 154
 155                 so_far = 0;
 156
 157                 if ((nframes_t) info.samplerate != frame_rate()) {
 158                         status.doing_what = string_compose (_("converting %1\n(resample from %2KHz to %3KHz)\n(%4 of %5)"),
 159                                                             basepath,
 160                                                             info.samplerate/1000.0f,
 161                                                             frame_rate()/1000.0f,
 162                                                             cnt, status.paths.size());
 163
 164                 } else {
 165                         status.doing_what = string_compose (_("converting %1\n(%2 of %3)"),
 166                                                             basepath,
 167                                                             cnt, status.paths.size());
 168
 169                 }
 170
 171                 status.progress = 0.0;
 172
 173                 while (!status.cancel) {
 174
 175                         nframes_t nread, nfread;
 176                         long x;
 177                         long chn;
 178
 179                         if ((nread = importable->read (data, nframes)) == 0) {
 180                                 break;
 181                         }
 182                         nfread = nread / info.channels;
 183
 184                         /* de-interleave */
 185
 186                         for (chn = 0; chn < info.channels; ++chn) {
 187
 188                                 nframes_t n;
 189                                 for (x = chn, n = 0; n < nfread; x += info.channels, ++n) {
 190                                         channel_data[chn][n] = (Sample) data[x];
 191                                 }
 192                         }
 193
 194                         /* flush to disk */
 195
 196                         for (chn = 0; chn < info.channels; ++chn) {
 197                                 newfiles[chn]->write (channel_data[chn], nfread);
 198                         }
 199
 200                         so_far += nread;
 201                         status.progress = so_far / (importable->ratio () * info.frames * info.channels);
 202                 }
 203
 204                 if (status.cancel) {
 205                         goto out;
 206                 }
 207
 208                 for (int n = 0; n < info.channels; ++n) {
 209                         status.sources.push_back (newfiles[n]);
 210                 }
 211
 212                 if (status.cancel) {
 213                         goto out;
 214                 }
 215         }
 216
 217         status.freeze = true;
 218
 219         time_t xnow;
 220         time (&xnow);
 221         now = localtime (&xnow);
 222
 223         /* flush the final length(s) to the header(s) */
 224
 225         for (SourceList::iterator x = status.sources.begin(); x != status.sources.end() && !status.cancel; ++x) {
 226                 boost::dynamic_pointer_cast<AudioFileSource>(*x)->update_header(0, *now, xnow);
 227                 boost::dynamic_pointer_cast<AudioSource>(*x)->done_with_peakfile_writes ();
 228         }
 229
 230         /* save state so that we don't lose these new Sources */
 231
 232         if (!status.cancel) {
 233                 save_state (_name);
 234         }
 235
 236         ret = 0;
 237
 238   out:
 239
 240         if (data) {
 241                 delete [] data;
 242         }
 243
 244         if (channel_data) {
 245                 for (int n = 0; n < info.channels; ++n) {
 246                         delete [] channel_data[n];
 247                 }
 248                 delete [] channel_data;
 249         }
 250
 251         if (status.cancel) {
 252
 253                 status.sources.clear ();
 254
 255                 for (vector<string>::iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
 256                         unlink ((*i).c_str());
 257                 }
 258         }
 259
 260         if (importable) {
 261                 delete importable;
 262         }
 263
 264         sf_close (in);
 265         status.done = true;
 266
 267         return ret;
 268 }